From 801e036cd83c3605ffef32c2d1234c7231cb94f3 Mon Sep 17 00:00:00 2001
From: Stephen Lombardo <sjlombardo@zetetic.net>
Date: Thu, 15 Nov 2012 18:45:58 -0500
Subject: [PATCH] upstream 3.7.14.1

---
 Makefile.in                 |   14 +-
 Makefile.msc                |  285 +-
 Makefile.vxworks            |    8 +-
 VERSION                     |    2 +-
 configure                   | 6532 ++++++++++++-----------------------
 configure.ac                |   18 +-
 doc/lemon.html              |    2 +-
 doc/pager-invariants.txt    |    2 +-
 ext/fts2/fts2.c             |    2 +-
 ext/fts3/fts3.c             |    7 +-
 ext/fts3/fts3Int.h          |   12 +-
 ext/fts3/fts3_icu.c         |    2 +-
 ext/fts3/fts3_unicode2.c    |    2 +-
 ext/fts3/fts3_write.c       |    6 +-
 main.mk                     |    8 +-
 manifest                    |  221 +-
 manifest.uuid               |    2 +-
 src/analyze.c               |    5 +-
 src/backup.c                |   13 +-
 src/bitvec.c                |    3 +-
 src/btree.c                 |   42 +-
 src/btree.h                 |    8 +-
 src/btreeInt.h              |    1 +
 src/build.c                 |   10 +-
 src/delete.c                |    2 +-
 src/expr.c                  |   81 +-
 src/fkey.c                  |    2 +-
 src/func.c                  |   13 +-
 src/hash.c                  |    6 +-
 src/insert.c                |   14 +-
 src/main.c                  |   85 +-
 src/mem1.c                  |    4 +-
 src/mutex.h                 |    4 -
 src/mutex_os2.c             |  274 --
 src/mutex_w32.c             |    2 +-
 src/os.h                    |   30 +-
 src/os_os2.c                | 1924 -----------
 src/os_unix.c               |   24 +-
 src/os_win.c                |   88 +-
 src/pager.c                 |    4 +-
 src/pcache1.c               |    6 +-
 src/pragma.c                |   16 +-
 src/printf.c                |   16 +-
 src/resolve.c               |   57 +-
 src/rowset.c                |    2 +-
 src/select.c                |  139 +-
 src/shell.c                 |   34 +-
 src/sqlite.h.in             |   90 +-
 src/sqlite3.rc              |   69 +
 src/sqliteInt.h             |   43 +-
 src/tclsqlite.c             |   52 +-
 src/test1.c                 |    2 +-
 src/test4.c                 |    2 +-
 src/test8.c                 |   28 +-
 src/test_config.c           |   21 +
 src/test_func.c             |   38 +
 src/test_multiplex.c        |    6 +-
 src/test_quota.c            |   12 +-
 src/test_spellfix.c         | 1891 +++++++---
 src/test_vfs.c              |   31 +-
 src/test_vfstrace.c         |    2 +-
 src/trigger.c               |    2 +-
 src/update.c                |    2 +-
 src/util.c                  |    2 +-
 src/vdbe.c                  |    9 +-
 src/vdbeInt.h               |   10 +-
 src/vdbeapi.c               |   10 +-
 src/vdbeaux.c               |    3 +-
 src/vdbesort.c              |  438 ++-
 src/vdbetrace.c             |    3 +-
 src/vtab.c                  |    2 +-
 src/wal.c                   |   13 +-
 src/walker.c                |   12 +-
 src/where.c                 |   62 +-
 test/aggnested.test         |   71 +
 test/atof1.test             |   60 +
 test/backup.test            |    2 +-
 test/crash.test             |    2 +-
 test/date.test              |    2 +-
 test/fts3atoken.test        |   10 +
 test/fts3auto.test          |   14 +-
 test/fts3defer.test         |    2 +-
 test/fts3defer2.test        |    5 +-
 test/fts3matchinfo.test     |   13 +-
 test/fts4aa.test            |   18 +-
 test/fts4unicode.test       |   57 +
 test/func.test              |    2 +-
 test/index5.test            |   75 +
 test/journal1.test          |    2 +-
 test/loadext.test           |    2 +-
 test/misc7.test             |    2 +-
 test/permutations.test      |    4 +-
 test/pragma.test            |   66 +
 test/releasetest.tcl        |   12 +-
 test/rowid.test             |    2 +-
 test/securedel2.test        |   95 +
 test/select6.test           |   44 +
 test/spellfix.test          |  151 +
 test/tclsqlite.test         |   11 +-
 test/wal2.test              |    8 +-
 test/wal3.test              |    2 +-
 test/walro.test             |  127 +
 test/walthread.test         |    4 +-
 test/whereD.test            |  189 +
 tool/build-all-msvc.bat     |  394 +++
 tool/checkSpacing.c         |   84 +
 tool/lemon.c                |   82 +-
 tool/mksqlite3c-noext.tcl   |    3 -
 tool/mksqlite3c.tcl         |    3 -
 tool/mksqlite3internalh.tcl |    1 -
 tool/mkvsix.tcl             |  419 +++
 tool/omittest.tcl           |    8 +-
 tool/win/sqlite.vsix        |  Bin 0 -> 32802 bytes
 113 files changed, 7047 insertions(+), 7890 deletions(-)
 delete mode 100644 src/mutex_os2.c
 delete mode 100644 src/os_os2.c
 create mode 100644 src/sqlite3.rc
 create mode 100644 test/aggnested.test
 create mode 100644 test/atof1.test
 create mode 100644 test/index5.test
 create mode 100644 test/securedel2.test
 create mode 100644 test/spellfix.test
 create mode 100644 test/whereD.test
 create mode 100755 tool/build-all-msvc.bat
 create mode 100644 tool/checkSpacing.c
 create mode 100644 tool/mkvsix.tcl
 create mode 100644 tool/win/sqlite.vsix

diff --git a/Makefile.in b/Makefile.in
index 9f8235d..db7f88e 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -172,8 +172,8 @@ LIBOBJS0 = alter.lo analyze.lo attach.lo auth.lo \
          icu.lo insert.lo journal.lo legacy.lo loadext.lo \
          main.lo malloc.lo mem0.lo mem1.lo mem2.lo mem3.lo mem5.lo \
          memjournal.lo \
-         mutex.lo mutex_noop.lo mutex_os2.lo mutex_unix.lo mutex_w32.lo \
-         notify.lo opcodes.lo os.lo os_os2.lo os_unix.lo os_win.lo \
+         mutex.lo mutex_noop.lo mutex_unix.lo mutex_w32.lo \
+         notify.lo opcodes.lo os.lo os_unix.lo os_win.lo \
          pager.lo parse.lo pcache.lo pcache1.lo pragma.lo prepare.lo printf.lo \
          random.lo resolve.lo rowset.lo rtree.lo select.lo status.lo \
          table.lo tokenize.lo trigger.lo \
@@ -232,14 +232,12 @@ SRC = \
   $(TOP)/src/mutex.c \
   $(TOP)/src/mutex.h \
   $(TOP)/src/mutex_noop.c \
-  $(TOP)/src/mutex_os2.c \
   $(TOP)/src/mutex_unix.c \
   $(TOP)/src/mutex_w32.c \
   $(TOP)/src/notify.c \
   $(TOP)/src/os.c \
   $(TOP)/src/os.h \
   $(TOP)/src/os_common.h \
-  $(TOP)/src/os_os2.c \
   $(TOP)/src/os_unix.c \
   $(TOP)/src/os_win.c \
   $(TOP)/src/pager.c \
@@ -402,7 +400,6 @@ TESTSRC2 = \
   $(TOP)/src/wal.c \
   $(TOP)/src/mem5.c \
   $(TOP)/src/os.c \
-  $(TOP)/src/os_os2.c \
   $(TOP)/src/os_unix.c \
   $(TOP)/src/os_win.c \
   $(TOP)/src/pager.c \
@@ -657,9 +654,6 @@ mutex.lo:	$(TOP)/src/mutex.c $(HDR)
 mutex_noop.lo:	$(TOP)/src/mutex_noop.c $(HDR)
 	$(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/mutex_noop.c
 
-mutex_os2.lo:	$(TOP)/src/mutex_os2.c $(HDR)
-	$(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/mutex_os2.c
-
 mutex_unix.lo:	$(TOP)/src/mutex_unix.c $(HDR)
 	$(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/mutex_unix.c
 
@@ -687,9 +681,6 @@ os_unix.lo:	$(TOP)/src/os_unix.c $(HDR)
 os_win.lo:	$(TOP)/src/os_win.c $(HDR)
 	$(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/os_win.c
 
-os_os2.lo:	$(TOP)/src/os_os2.c $(HDR)
-	$(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/os_os2.c
-
 pragma.lo:	$(TOP)/src/pragma.c $(HDR)
 	$(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/pragma.c
 
@@ -950,6 +941,7 @@ clean:
 	rm -f sqlite3.dll sqlite3.lib sqlite3.exp sqlite3.def
 	rm -f sqlite3.c
 	rm -f sqlite3_analyzer$(TEXE) sqlite3_analyzer.c
+	rm -f sqlite-output.vsix
 
 distclean:	clean
 	rm -f config.log config.status libtool Makefile sqlite3.pc
diff --git a/Makefile.msc b/Makefile.msc
index d8f01d6..2b79c2b 100644
--- a/Makefile.msc
+++ b/Makefile.msc
@@ -15,16 +15,44 @@ USE_AMALGAMATION = 1
 #
 USE_ICU = 0
 
+# Set this non-0 to dynamically link to the MSVC runtime library.
+#
+USE_CRT_DLL = 0
+
+# Set this non-0 to attempt setting the native compiler automatically
+# for cross-compiling the command line tools needed during the compilation
+# process.
+#
+XCOMPILE = 0
+
+# Set this non-0 to use the native libraries paths for cross-compiling
+# the command line tools needed during the compilation process.
+#
+USE_NATIVE_LIBPATHS = 0
+
 # Set this non-0 to compile binaries suitable for the WinRT environment.
 # This setting does not apply to any binaries that require Tcl to operate
 # properly (i.e. the text fixture, etc).
 #
 FOR_WINRT = 0
 
+# Set this non-0 to skip attempting to look for and/or link with the Tcl
+# runtime library.
+#
+NO_TCL = 0
+
 # Set this to non-0 to create and use PDBs.
 #
 SYMBOLS = 1
 
+# Set this to non-0 to use the SQLite debugging heap subsystem.
+#
+MEMDEBUG = 0
+
+# Set this to non-0 to use the Win32 native heap subsystem.
+#
+WIN32HEAP = 0
+
 # Set this to one of the following values to enable various debugging
 # features.  Each level includes the debugging options from the previous
 # levels.  Currently, the recognized values for DEBUG are:
@@ -38,26 +66,129 @@ SYMBOLS = 1
 #
 DEBUG = 0
 
-# C Compiler and options for use in building executables that
+# Check for the predefined command macro CC.  This should point to the compiler
+# binary for the target platform.  If it is not defined, simply define it to
+# the legacy default value 'cl.exe'.
+#
+!IFNDEF CC
+CC = cl.exe
+!ENDIF
+
+# Check for the command macro LD.  This should point to the linker binary for
+# the target platform.  If it is not defined, simply define it to the legacy
+# default value 'link.exe'.
+#
+!IFNDEF LD
+LD = link.exe
+!ENDIF
+
+# Check for the predefined command macro RC.  This should point to the resource
+# compiler binary for the target platform.  If it is not defined, simply define
+# it to the legacy default value 'rc.exe'.
+#
+!IFNDEF RC
+RC = rc.exe
+!ENDIF
+
+# Check for the command macro NCC.  This should point to the compiler binary
+# for the platform the compilation process is taking place on.  If it is not
+# defined, simply define it to have the same value as the CC macro.  When
+# cross-compiling, it is suggested that this macro be modified via the command
+# line (since nmake itself does not provide a built-in method to guess it).
+# For example, to use the x86 compiler when cross-compiling for x64, a command
+# line similar to the following could be used (all on one line):
+#
+#     nmake /f Makefile.msc sqlite3.dll
+#           XCOMPILE=1 USE_NATIVE_LIBPATHS=1
+#
+# Alternatively, the full path and file name to the compiler binary for the
+# platform the compilation process is taking place may be specified (all on
+# one line):
+#
+#     nmake /f Makefile.msc sqlite3.dll
+#           "NCC=""%VCINSTALLDIR%\bin\cl.exe"""
+#           USE_NATIVE_LIBPATHS=1
+#
+!IFDEF NCC
+NCC = $(NCC:\\=\)
+!ELSEIF $(XCOMPILE)!=0
+NCC = "$(VCINSTALLDIR)\bin\cl.exe"
+NCC = $(NCC:\\=\)
+!ELSE
+NCC = $(CC)
+!ENDIF
+
+# Check for the MSVC runtime library path macro.  Othertise, this
+# value will default to the 'lib' directory underneath the MSVC
+# installation directory.
+#
+!IFNDEF NCRTLIBPATH
+NCRTLIBPATH = $(VCINSTALLDIR)\lib
+!ENDIF
+
+NCRTLIBPATH = $(NCRTLIBPATH:\\=\)
+
+# Check for the Platform SDK library path macro.  Othertise, this
+# value will default to the 'lib' directory underneath the Windows
+# SDK installation directory (the environment variable used appears
+# to be available when using Visual C++ 2008 or later via the
+# command line).
+#
+!IFNDEF NSDKLIBPATH
+NSDKLIBPATH = $(WINDOWSSDKDIR)\lib
+!ENDIF
+
+NSDKLIBPATH = $(NSDKLIBPATH:\\=\)
+
+# C compiler and options for use in building executables that
 # will run on the platform that is doing the build.
 #
-BCC = cl.exe -W3
+BCC = $(NCC) -W3
 
-# C Compile and options for use in building executables that
+# Check if the native library paths should be used when compiling
+# the command line tools used during the compilation process.  If
+# so, set the necessary macro now.
+#
+!IF $(USE_NATIVE_LIBPATHS)!=0
+NLTLIBPATHS = "/LIBPATH:$(NCRTLIBPATH)" "/LIBPATH:$(NSDKLIBPATH)"
+!ENDIF
+
+# C compiler and options for use in building executables that
 # will run on the target platform.  (BCC and TCC are usually the
 # same unless your are cross-compiling.)
 #
-TCC = cl.exe -W3 -DSQLITE_OS_WIN=1 -I. -I$(TOP)\src -fp:precise
+TCC = $(CC) -W3 -DSQLITE_OS_WIN=1 -I. -I$(TOP)\src -fp:precise
+RCC = $(RC) -DSQLITE_OS_WIN=1 -I. -I$(TOP)\src
 
 # When compiling the library for use in the WinRT environment,
 # the following compile-time options must be used as well to
 # disable use of Win32 APIs that are not available and to enable
 # use of Win32 APIs that are specific to Windows 8 and/or WinRT.
-# Also, we need to dynamically link to the MSVC runtime when
-# compiling for WinRT.
 #
 !IF $(FOR_WINRT)!=0
-TCC = $(TCC) -DSQLITE_OS_WINRT=1 -MD
+TCC = $(TCC) -DSQLITE_OS_WINRT=1
+RCC = $(RCC) -DSQLITE_OS_WINRT=1
+TCC = $(TCC) -DWINAPI_FAMILY=WINAPI_PARTITION_APP
+RCC = $(RCC) -DWINAPI_FAMILY=WINAPI_PARTITION_APP
+!ENDIF
+
+# Also, we need to dynamically link to the correct MSVC runtime
+# when compiling for WinRT (e.g. debug or release) OR if the
+# USE_CRT_DLL option is set to force dynamically linking to the
+# MSVC runtime library.
+#
+!IF $(FOR_WINRT)!=0 || $(USE_CRT_DLL)!=0
+!IF $(DEBUG)>0
+TCC = $(TCC) -MDd
+!ELSE
+TCC = $(TCC) -MD
+!ENDIF
+!ELSE
+!IF $(DEBUG)>0
+TCC = $(TCC) -MTd
+!ELSE
+TCC = $(TCC) -MT
+!ENDIF
 !ENDIF
 
 # The mksqlite3c.tcl and mksqlite3h.tcl scripts will pull in
@@ -66,7 +197,9 @@ TCC = $(TCC) -DSQLITE_OS_WINRT=1 -MD
 #
 !IF $(USE_AMALGAMATION)==0
 TCC = $(TCC) -I$(TOP)\ext\fts3
+RCC = $(RCC) -I$(TOP)\ext\fts3
 TCC = $(TCC) -I$(TOP)\ext\rtree
+RCC = $(RCC) -I$(TOP)\ext\rtree
 !ENDIF
 
 # Define -DNDEBUG to compile without debugging (i.e., for production usage)
@@ -76,36 +209,60 @@ TCC = $(TCC) -I$(TOP)\ext\rtree
 !IF $(DEBUG)==0
 TCC = $(TCC) -DNDEBUG
 BCC = $(BCC) -DNDEBUG
+RCC = $(RCC) -DNDEBUG
 !ENDIF
 
 !IF $(DEBUG)>1
 TCC = $(TCC) -DSQLITE_DEBUG
+RCC = $(RCC) -DSQLITE_DEBUG
 !ENDIF
 
 !IF $(DEBUG)>3
 TCC = $(TCC) -DSQLITE_DEBUG_OS_TRACE=1
+RCC = $(RCC) -DSQLITE_DEBUG_OS_TRACE=1
 !ENDIF
 
 !IF $(DEBUG)>4
 TCC = $(TCC) -DSQLITE_ENABLE_IOTRACE
+RCC = $(RCC) -DSQLITE_ENABLE_IOTRACE
 !ENDIF
 
 #
-# Prevent warnings about "insecure" runtime library functions being used.
+# Prevent warnings about "insecure" MSVC runtime library functions
+# being used.
 #
 TCC = $(TCC) -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS
 BCC = $(BCC) -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS
+RCC = $(RCC) -D_CRT_SECURE_NO_DEPRECATE -D_CRT_SECURE_NO_WARNINGS
 
 #
-# Use native Win32 heap instead of malloc/free?
+# Prevent warnings about "deprecated" POSIX functions being used.
 #
-# TCC = $(TCC) -DSQLITE_WIN32_MALLOC=1
+TCC = $(TCC) -D_CRT_NONSTDC_NO_DEPRECATE -D_CRT_NONSTDC_NO_WARNINGS
+BCC = $(BCC) -D_CRT_NONSTDC_NO_DEPRECATE -D_CRT_NONSTDC_NO_WARNINGS
+RCC = $(RCC) -D_CRT_NONSTDC_NO_DEPRECATE -D_CRT_NONSTDC_NO_WARNINGS
+
+#
+# Use the SQLite debugging heap subsystem?
+#
+!IF $(MEMDEBUG)!=0
+TCC = $(TCC) -DSQLITE_MEMDEBUG=1
+RCC = $(RCC) -DSQLITE_MEMDEBUG=1
+
+#
+# Use native Win32 heap subsystem instead of malloc/free?
+#
+!ELSEIF $(WIN32HEAP)!=0
+TCC = $(TCC) -DSQLITE_WIN32_MALLOC=1
+RCC = $(RCC) -DSQLITE_WIN32_MALLOC=1
 
 #
 # Validate the heap on every call into the native Win32 heap subsystem?
 #
 !IF $(DEBUG)>2
 TCC = $(TCC) -DSQLITE_WIN32_MALLOC_VALIDATE=1
+RCC = $(RCC) -DSQLITE_WIN32_MALLOC_VALIDATE=1
+!ENDIF
 !ENDIF
 
 # The locations of the Tcl header and library files.  Also, the library that
@@ -114,43 +271,43 @@ TCC = $(TCC) -DSQLITE_WIN32_MALLOC_VALIDATE=1
 # prior to running nmake in order to match the actual installed location and
 # version on this machine.
 #
-!if "$(TCLINCDIR)" == ""
+!IFNDEF TCLINCDIR
 TCLINCDIR = c:\tcl\include
-!endif
+!ENDIF
 
-!if "$(TCLLIBDIR)" == ""
+!IFNDEF TCLLIBDIR
 TCLLIBDIR = c:\tcl\lib
-!endif
+!ENDIF
 
-!if "$(LIBTCL)" == ""
+!IFNDEF LIBTCL
 LIBTCL = tcl85.lib
-!endif
+!ENDIF
 
 # The locations of the ICU header and library files.  These variables
 # (ICUINCDIR, ICULIBDIR, and LIBICU) may be overridden via the environment
 # prior to running nmake in order to match the actual installed location on
 # this machine.
 #
-!if "$(ICUINCDIR)" == ""
+!IFNDEF ICUINCDIR
 ICUINCDIR = c:\icu\include
-!endif
+!ENDIF
 
-!if "$(ICULIBDIR)" == ""
+!IFNDEF ICULIBDIR
 ICULIBDIR = c:\icu\lib
-!endif
+!ENDIF
 
-!if "$(LIBICU)" == ""
+!IFNDEF LIBICU
 LIBICU = icuuc.lib icuin.lib
-!endif
+!ENDIF
 
 # This is the command to use for tclsh - normally just "tclsh", but we may
 # know the specific version we want to use.  This variable (TCLSH_CMD) may be
 # overridden via the environment prior to running nmake in order to select a
 # specific Tcl shell to use.
 #
-!if "$(TCLSH_CMD)" == ""
+!IFNDEF TCLSH_CMD
 TCLSH_CMD = tclsh85
-!endif
+!ENDIF
 
 # Compiler options needed for programs that use the readline() library.
 #
@@ -163,16 +320,18 @@ LIBREADLINE =
 # Should the database engine be compiled threadsafe
 #
 TCC = $(TCC) -DSQLITE_THREADSAFE=1
+RCC = $(RCC) -DSQLITE_THREADSAFE=1
 
 # Do threads override each others locks by default (1), or do we test (-1)
 #
 TCC = $(TCC) -DSQLITE_THREAD_OVERRIDE_LOCK=-1
+RCC = $(RCC) -DSQLITE_THREAD_OVERRIDE_LOCK=-1
 
 # Any target libraries which libsqlite must be linked against
 #
-!if "$(TLIBS)" == ""
+!IFNDEF TLIBS
 TLIBS =
-!endif
+!ENDIF
 
 # Flags controlling use of the in memory btree implementation
 #
@@ -181,6 +340,7 @@ TLIBS =
 # tables to always be in memory.
 #
 TCC = $(TCC) -DSQLITE_TEMP_STORE=1
+RCC = $(RCC) -DSQLITE_TEMP_STORE=1
 
 # Enable/disable loadable extensions, and other optional features
 # based on configuration. (-DSQLITE_OMIT*, -DSQLITE_ENABLE*).
@@ -198,16 +358,19 @@ OPT_FEATURE_FLAGS = $(OPT_FEATURE_FLAGS) -DSQLITE_MAX_TRIGGER_DEPTH=100
 # END required Windows option
 
 TCC = $(TCC) $(OPT_FEATURE_FLAGS)
+RCC = $(RCC) $(OPT_FEATURE_FLAGS)
 
 # Add in any optional parameters specified on the make commane line
 # ie.  make "OPTS=-DSQLITE_ENABLE_FOO=1 -DSQLITE_OMIT_FOO=1".
 TCC = $(TCC) $(OPTS)
+RCC = $(RCC) $(OPTS)
 
 # If symbols are enabled, enable PDBs.
 # If debugging is enabled, disable all optimizations and enable PDBs.
 !IF $(DEBUG)>0
 TCC = $(TCC) -Od -D_DEBUG
 BCC = $(BCC) -Od -D_DEBUG
+RCC = $(RCC) -D_DEBUG
 !ELSE
 TCC = $(TCC) -O2
 BCC = $(BCC) -O2
@@ -221,12 +384,17 @@ BCC = $(BCC) -Zi
 # If ICU support is enabled, add the compiler options for it.
 !IF $(USE_ICU)!=0
 TCC = $(TCC) -DSQLITE_ENABLE_ICU=1
+RCC = $(RCC) -DSQLITE_ENABLE_ICU=1
 TCC = $(TCC) -I$(TOP)\ext\icu
+RCC = $(RCC) -I$(TOP)\ext\icu
 TCC = $(TCC) -I$(ICUINCDIR)
+RCC = $(RCC) -I$(ICUINCDIR)
 !ENDIF
 
-# libtool compile/link
+# Command line prefixes for compiling code, compiling resources,
+# linking, etc.
 LTCOMPILE = $(TCC) -Fo$@
+LTRCOMPILE = $(RCC) -r
 LTLIB = lib.exe
 LTLINK = $(TCC) -Fe$@
 
@@ -234,7 +402,7 @@ LTLINK = $(TCC) -Fe$@
 # Note that the vcvars*.bat family of batch files typically
 # set this for you.  Otherwise, the linker will attempt
 # to deduce the binary type based on the object files.
-!IF "$(PLATFORM)"!=""
+!IFDEF PLATFORM
 LTLINKOPTS = /MACHINE:$(PLATFORM)
 LTLIBOPTS = /MACHINE:$(PLATFORM)
 !ENDIF
@@ -249,13 +417,14 @@ LTLINKOPTS = $(LTLINKOPTS) /APPCONTAINER
 
 # If either debugging or symbols are enabled, enable PDBs.
 !IF $(DEBUG)>0 || $(SYMBOLS)!=0
-LTLINKOPTS = $(LTLINKOPTS) /DEBUG
-BCC = $(BCC) /DEBUG
+LDFLAGS = /DEBUG
 !ENDIF
 
 # Start with the Tcl related linker options.
+!IF $(NO_TCL)==0
 LTLIBPATHS = /LIBPATH:$(TCLLIBDIR)
 LTLIBS = $(LIBTCL)
+!ENDIF
 
 # If ICU support is enabled, add the linker options for it.
 !IF $(USE_ICU)!=0
@@ -282,8 +451,8 @@ LIBOBJS0 = alter.lo analyze.lo attach.lo auth.lo \
          icu.lo insert.lo journal.lo legacy.lo loadext.lo \
          main.lo malloc.lo mem0.lo mem1.lo mem2.lo mem3.lo mem5.lo \
          memjournal.lo \
-         mutex.lo mutex_noop.lo mutex_os2.lo mutex_unix.lo mutex_w32.lo \
-         notify.lo opcodes.lo os.lo os_os2.lo os_unix.lo os_win.lo \
+         mutex.lo mutex_noop.lo mutex_unix.lo mutex_w32.lo \
+         notify.lo opcodes.lo os.lo os_unix.lo os_win.lo \
          pager.lo parse.lo pcache.lo pcache1.lo pragma.lo prepare.lo printf.lo \
          random.lo resolve.lo rowset.lo rtree.lo select.lo status.lo \
          table.lo tokenize.lo trigger.lo \
@@ -345,14 +514,12 @@ SRC = \
   $(TOP)\src\mutex.c \
   $(TOP)\src\mutex.h \
   $(TOP)\src\mutex_noop.c \
-  $(TOP)\src\mutex_os2.c \
   $(TOP)\src\mutex_unix.c \
   $(TOP)\src\mutex_w32.c \
   $(TOP)\src\notify.c \
   $(TOP)\src\os.c \
   $(TOP)\src\os.h \
   $(TOP)\src\os_common.h \
-  $(TOP)\src\os_os2.c \
   $(TOP)\src\os_unix.c \
   $(TOP)\src\os_win.c \
   $(TOP)\src\pager.c \
@@ -514,7 +681,6 @@ TESTSRC2 = \
   $(TOP)\src\wal.c \
   $(TOP)\src\mem5.c \
   $(TOP)\src\os.c \
-  $(TOP)\src\os_os2.c \
   $(TOP)\src\os_unix.c \
   $(TOP)\src\os_win.c \
   $(TOP)\src\pager.c \
@@ -600,10 +766,10 @@ libsqlite3.lib:	$(LIBOBJ)
 libtclsqlite3.lib:	tclsqlite.lo libsqlite3.lib
 	$(LTLIB) $(LTLIBOPTS) $(LTLIBPATHS) /OUT:$@ tclsqlite.lo libsqlite3.lib $(LIBTCL:tcl=tclstub) $(TLIBS)
 
-sqlite3.exe:	$(TOP)\src\shell.c libsqlite3.lib sqlite3.h
+sqlite3.exe:	$(TOP)\src\shell.c libsqlite3.lib sqlite3res.lo sqlite3.h
 	$(LTLINK) $(READLINE_FLAGS) \
 		$(TOP)\src\shell.c \
-		/link $(LTLINKOPTS) $(LTLIBPATHS) libsqlite3.lib $(LIBREADLINE) $(LTLIBS) $(TLIBS)
+		/link $(LTLINKOPTS) $(LTLIBPATHS) libsqlite3.lib sqlite3res.lo $(LIBREADLINE) $(LTLIBS) $(TLIBS)
 
 # This target creates a directory named "tsrc" and fills it with
 # copies of all of the C source code and header files needed to
@@ -637,7 +803,7 @@ lempar.c:	$(TOP)\src\lempar.c
 	copy $(TOP)\src\lempar.c .
 
 lemon.exe:	$(TOP)\tool\lemon.c lempar.c
-	$(BCC) -Fe$@ $(TOP)\tool\lemon.c
+	$(BCC) -Daccess=_access -Fe$@ $(TOP)\tool\lemon.c /link $(NLTLIBPATHS)
 
 # Rules to build individual *.lo files from generated *.c files. This
 # applies to:
@@ -651,6 +817,17 @@ parse.lo:	parse.c $(HDR)
 opcodes.lo:	opcodes.c
 	$(LTCOMPILE) -c opcodes.c
 
+# Rule to build the Win32 resources object file.
+#
+sqlite3res.lo:	$(TOP)\src\sqlite3.rc $(HDR)
+	echo #ifndef SQLITE_RESOURCE_VERSION > sqlite3rc.h
+	for /F %%V in ('type VERSION') do ( \
+		echo #define SQLITE_RESOURCE_VERSION %%V \
+			| $(NAWK) "/.*/ { gsub(/[.]/,\",\");print }" >> sqlite3rc.h \
+	)
+	echo #endif >> sqlite3rc.h
+	$(LTRCOMPILE) -fo sqlite3res.lo $(TOP)\src\sqlite3.rc
+
 # Rules to build individual *.lo files from files in the src directory.
 #
 alter.lo:	$(TOP)\src\alter.c $(HDR)
@@ -755,9 +932,6 @@ mutex.lo:	$(TOP)\src\mutex.c $(HDR)
 mutex_noop.lo:	$(TOP)\src\mutex_noop.c $(HDR)
 	$(LTCOMPILE) -c $(TOP)\src\mutex_noop.c
 
-mutex_os2.lo:	$(TOP)\src\mutex_os2.c $(HDR)
-	$(LTCOMPILE) -c $(TOP)\src\mutex_os2.c
-
 mutex_unix.lo:	$(TOP)\src\mutex_unix.c $(HDR)
 	$(LTCOMPILE) -c $(TOP)\src\mutex_unix.c
 
@@ -785,9 +959,6 @@ os_unix.lo:	$(TOP)\src\os_unix.c $(HDR)
 os_win.lo:	$(TOP)\src\os_win.c $(HDR)
 	$(LTCOMPILE) -c $(TOP)\src\os_win.c
 
-os_os2.lo:	$(TOP)\src\os_os2.c $(HDR)
-	$(LTCOMPILE) -c $(TOP)\src\os_os2.c
-
 pragma.lo:	$(TOP)\src\pragma.c $(HDR)
 	$(LTCOMPILE) -c $(TOP)\src\pragma.c
 
@@ -872,9 +1043,8 @@ tclsqlite.lo:	$(TOP)\src\tclsqlite.c $(HDR)
 tclsqlite-shell.lo:	$(TOP)\src\tclsqlite.c $(HDR)
 	$(LTCOMPILE) -DTCLSH=1 -DBUILD_sqlite -I$(TCLINCDIR) -c $(TOP)\src\tclsqlite.c
 
-tclsqlite3.exe:	tclsqlite-shell.lo libsqlite3.lib
-	$(LTLINK) tclsqlite-shell.lo \
-		/link $(LTLINKOPTS) $(LTLIBPATHS) libsqlite3.lib $(LTLIBS) $(TLIBS)
+tclsqlite3.exe:	tclsqlite-shell.lo libsqlite3.lib sqlite3res.lo
+	$(LD) $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) /OUT:$@ libsqlite3.lib tclsqlite-shell.lo sqlite3res.lo $(LTLIBS) $(TLIBS)
 
 # Rules to build opcodes.c and opcodes.h
 #
@@ -899,7 +1069,7 @@ sqlite3.h:	$(TOP)\src\sqlite.h.in $(TOP)\manifest.uuid $(TOP)\VERSION
 	$(TCLSH_CMD) $(TOP)\tool\mksqlite3h.tcl $(TOP) > sqlite3.h
 
 mkkeywordhash.exe:	$(TOP)\tool\mkkeywordhash.c
-	$(BCC) -Femkkeywordhash.exe $(OPT_FEATURE_FLAGS) $(OPTS) $(TOP)\tool\mkkeywordhash.c
+	$(BCC) -Fe$@ $(OPT_FEATURE_FLAGS) $(OPTS) $(TOP)\tool\mkkeywordhash.c /link $(NLTLIBPATHS)
 
 keywordhash.h:	$(TOP)\tool\mkkeywordhash.c mkkeywordhash.exe
 	.\mkkeywordhash.exe > keywordhash.h
@@ -987,11 +1157,11 @@ TESTFIXTURE_SRC = $(TESTSRC) $(TOP)\src\tclsqlite.c $(TESTFIXTURE_SRC0)
 TESTFIXTURE_SRC = $(TESTSRC) $(TOP)\src\tclsqlite.c $(TESTFIXTURE_SRC1)
 !ENDIF
 
-testfixture.exe:	$(TESTFIXTURE_SRC) $(HDR)
+testfixture.exe:	$(TESTFIXTURE_SRC) sqlite3res.lo $(HDR)
 	$(LTLINK) -DSQLITE_NO_SYNC=1 $(TESTFIXTURE_FLAGS) \
 		-DBUILD_sqlite -I$(TCLINCDIR) \
 		$(TESTFIXTURE_SRC) \
-		/link $(LTLINKOPTS) $(LTLIBPATHS) $(LTLIBS) $(TLIBS)
+		/link $(LTLINKOPTS) $(LTLIBPATHS) sqlite3res.lo $(LTLIBS) $(TLIBS)
 
 fulltest:	testfixture.exe sqlite3.exe
 	.\testfixture.exe $(TOP)\test\all.test
@@ -1009,9 +1179,9 @@ sqlite3_analyzer.c: sqlite3.c $(TOP)\src\test_stat.c $(TOP)\src\tclsqlite.c $(TO
 	$(NAWK) -f $(TOP)\tool\tostr.awk $(TOP)\tool\spaceanal.tcl >> $@
 	echo ; return zMainloop; } >> $@
 
-sqlite3_analyzer.exe:	sqlite3_analyzer.c
+sqlite3_analyzer.exe:	sqlite3_analyzer.c sqlite3res.lo
 	$(LTLINK) -DBUILD_sqlite -DTCLSH=2 -I$(TCLINCDIR) sqlite3_analyzer.c \
-		/link $(LTLINKOPTS) $(LTLIBPATHS) $(LTLIBS) $(TLIBS)
+		/link $(LTLINKOPTS) $(LTLIBPATHS) sqlite3res.lo $(LTLIBS) $(TLIBS)
 
 clean:
 	del /Q *.lo *.ilk *.lib *.obj *.pdb sqlite3.exe libsqlite3.lib
@@ -1026,14 +1196,15 @@ clean:
 	-rmdir /Q/S quota2c
 	-rmdir /Q/S tsrc
 	del /Q .target_source
-	del /Q tclsqlite3.exe
+	del /Q tclsqlite3.exe tclsqlite3.exp
 	del /Q testfixture.exe testfixture.exp test.db
 	del /Q sqlite3.dll sqlite3.lib sqlite3.exp sqlite3.def
 	del /Q sqlite3.c
+	del /Q sqlite3rc.h
 	del /Q sqlite3_analyzer.exe sqlite3_analyzer.exp sqlite3_analyzer.c
+	del /Q sqlite-output.vsix
 
-#
-# Windows section
+# Dynamic link library section.
 #
 dll: sqlite3.dll
 
@@ -1043,5 +1214,5 @@ sqlite3.def: libsqlite3.lib
 		| $(NAWK) "/ 1 _?sqlite3_/ { sub(/^.* _?/,\"\");print }" \
 		| sort >> sqlite3.def
 
-sqlite3.dll: $(LIBOBJ) sqlite3.def
-	link $(LTLINKOPTS) $(LTLIBPATHS) /DLL /DEF:sqlite3.def /OUT:$@ $(LIBOBJ) $(LTLIBS) $(TLIBS)
+sqlite3.dll: $(LIBOBJ) sqlite3res.lo sqlite3.def
+	$(LD) $(LDFLAGS) $(LTLINKOPTS) $(LTLIBPATHS) /DLL /DEF:sqlite3.def /OUT:$@ $(LIBOBJ) sqlite3res.lo $(LTLIBS) $(TLIBS)
diff --git a/Makefile.vxworks b/Makefile.vxworks
index 4398c18..25bc853 100644
--- a/Makefile.vxworks
+++ b/Makefile.vxworks
@@ -204,8 +204,8 @@ LIBOBJ+= alter.o analyze.o attach.o auth.o \
          icu.o insert.o journal.o legacy.o loadext.o \
          main.o malloc.o mem0.o mem1.o mem2.o mem3.o mem5.o \
          memjournal.o \
-         mutex.o mutex_noop.o mutex_os2.o mutex_unix.o mutex_w32.o \
-         notify.o opcodes.o os.o os_os2.o os_unix.o os_win.o \
+         mutex.o mutex_noop.o mutex_unix.o mutex_w32.o \
+         notify.o opcodes.o os.o os_unix.o os_win.o \
          pager.o parse.o pcache.o pcache1.o pragma.o prepare.o printf.o \
          random.o resolve.o rowset.o rtree.o select.o status.o \
          table.o tokenize.o trigger.o \
@@ -256,14 +256,12 @@ SRC = \
   $(TOP)/src/mutex.c \
   $(TOP)/src/mutex.h \
   $(TOP)/src/mutex_noop.c \
-  $(TOP)/src/mutex_os2.c \
   $(TOP)/src/mutex_unix.c \
   $(TOP)/src/mutex_w32.c \
   $(TOP)/src/notify.c \
   $(TOP)/src/os.c \
   $(TOP)/src/os.h \
   $(TOP)/src/os_common.h \
-  $(TOP)/src/os_os2.c \
   $(TOP)/src/os_unix.c \
   $(TOP)/src/os_win.c \
   $(TOP)/src/pager.c \
@@ -396,7 +394,7 @@ TESTSRC2 = \
   $(TOP)/src/attach.c $(TOP)/src/backup.c $(TOP)/src/btree.c                   \
   $(TOP)/src/build.c $(TOP)/src/ctime.c $(TOP)/src/date.c                      \
   $(TOP)/src/expr.c $(TOP)/src/func.c $(TOP)/src/insert.c $(TOP)/src/os.c      \
-  $(TOP)/src/os_os2.c $(TOP)/src/os_unix.c $(TOP)/src/os_win.c                 \
+  $(TOP)/src/os_unix.c $(TOP)/src/os_win.c                 \
   $(TOP)/src/pager.c $(TOP)/src/pragma.c $(TOP)/src/prepare.c                  \
   $(TOP)/src/printf.c $(TOP)/src/random.c $(TOP)/src/pcache.c                  \
   $(TOP)/src/pcache1.c $(TOP)/src/select.c $(TOP)/src/tokenize.c               \
diff --git a/VERSION b/VERSION
index 214b521..b36faa1 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-3.7.13
+3.7.14.1
diff --git a/configure b/configure
index cf50e60..7373415 100755
--- a/configure
+++ b/configure
@@ -1,18 +1,22 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.62 for sqlite 3.7.13.
+# Generated by GNU Autoconf 2.68 for sqlite 3.7.14.1.
+#
 #
 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-# 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+# 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software
+# Foundation, Inc.
+#
+#
 # This configure script is free software; the Free Software Foundation
 # gives unlimited permission to copy, distribute and modify it.
-## --------------------- ##
-## M4sh Initialization.  ##
-## --------------------- ##
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
@@ -20,23 +24,15 @@ if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
 else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
 esac
-
 fi
 
 
-
-
-# PATH needs CR
-# Avoid depending upon Character Ranges.
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
-
 as_nl='
 '
 export as_nl
@@ -44,7 +40,13 @@ export as_nl
 as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
 as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
 as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-if (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
   as_echo='printf %s\n'
   as_echo_n='printf %s'
 else
@@ -55,7 +57,7 @@ else
     as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
     as_echo_n_body='eval
       arg=$1;
-      case $arg in
+      case $arg in #(
       *"$as_nl"*)
 	expr "X$arg" : "X\\(.*\\)$as_nl";
 	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
@@ -78,13 +80,6 @@ if test "${PATH_SEPARATOR+set}" != set; then
   }
 fi
 
-# Support unset when possible.
-if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
-  as_unset=unset
-else
-  as_unset=false
-fi
-
 
 # IFS
 # We need space, tab and new line, in precisely that order.  Quoting is
@@ -94,15 +89,16 @@ fi
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
-case $0 in
+as_myself=
+case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-done
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  done
 IFS=$as_save_IFS
 
      ;;
@@ -114,12 +110,16 @@ if test "x$as_myself" = x; then
 fi
 if test ! -f "$as_myself"; then
   $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  { (exit 1); exit 1; }
+  exit 1
 fi
 
-# Work around bugs in pre-3.0 UWIN ksh.
-for as_var in ENV MAIL MAILPATH
-do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
 done
 PS1='$ '
 PS2='> '
@@ -131,7 +131,255 @@ export LC_ALL
 LANGUAGE=C
 export LANGUAGE
 
-# Required to use basename.
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+if test "x$CONFIG_SHELL" = x; then
+  as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then :
+  emulate sh
+  NULLCMD=:
+  # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which
+  # is contrary to our usage.  Disable this feature.
+  alias -g '\${1+\"\$@\"}'='\"\$@\"'
+  setopt NO_GLOB_SUBST
+else
+  case \`(set -o) 2>/dev/null\` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
+esac
+fi
+"
+  as_required="as_fn_return () { (exit \$1); }
+as_fn_success () { as_fn_return 0; }
+as_fn_failure () { as_fn_return 1; }
+as_fn_ret_success () { return 0; }
+as_fn_ret_failure () { return 1; }
+
+exitcode=0
+as_fn_success || { exitcode=1; echo as_fn_success failed.; }
+as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; }
+as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; }
+as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
+if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then :
+
+else
+  exitcode=1; echo positional parameters were not saved.
+fi
+test x\$exitcode = x0 || exit 1"
+  as_suggested="  as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO
+  as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO
+  eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" &&
+  test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1
+test \$(( 1 + 1 )) = 2 || exit 1"
+  if (eval "$as_required") 2>/dev/null; then :
+  as_have_required=yes
+else
+  as_have_required=no
+fi
+  if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then :
+
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_found=false
+for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  as_found=:
+  case $as_dir in #(
+	 /*)
+	   for as_base in sh bash ksh sh5; do
+	     # Try only shells that exist, to save several forks.
+	     as_shell=$as_dir/$as_base
+	     if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
+		    { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then :
+  CONFIG_SHELL=$as_shell as_have_required=yes
+		   if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then :
+  break 2
+fi
+fi
+	   done;;
+       esac
+  as_found=false
+done
+$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+	      { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then :
+  CONFIG_SHELL=$SHELL as_have_required=yes
+fi; }
+IFS=$as_save_IFS
+
+
+      if test "x$CONFIG_SHELL" != x; then :
+  # We cannot yet assume a decent shell, so we have to provide a
+	# neutralization value for shells without unset; and this also
+	# works around shells that cannot unset nonexistent variables.
+	# Preserve -v and -x to the replacement shell.
+	BASH_ENV=/dev/null
+	ENV=/dev/null
+	(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
+	export CONFIG_SHELL
+	case $- in # ((((
+	  *v*x* | *x*v* ) as_opts=-vx ;;
+	  *v* ) as_opts=-v ;;
+	  *x* ) as_opts=-x ;;
+	  * ) as_opts= ;;
+	esac
+	exec "$CONFIG_SHELL" $as_opts "$as_myself" ${1+"$@"}
+fi
+
+    if test x$as_have_required = xno; then :
+  $as_echo "$0: This script requires a shell more modern than all"
+  $as_echo "$0: the shells that I found on your system."
+  if test x${ZSH_VERSION+set} = xset ; then
+    $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
+    $as_echo "$0: be upgraded to zsh 4.3.4 or later."
+  else
+    $as_echo "$0: Please tell bug-autoconf@gnu.org about your system,
+$0: including any error possibly output before this
+$0: message. Then install a modern shell, or manually run
+$0: the script under such a shell if you do have one."
+  fi
+  exit 1
+fi
+fi
+fi
+SHELL=${CONFIG_SHELL-/bin/sh}
+export SHELL
+# Unset more variables known to interfere with behavior of common tools.
+CLICOLOR_FORCE= GREP_OPTIONS=
+unset CLICOLOR_FORCE GREP_OPTIONS
+
+## --------------------- ##
+## M4sh Shell Functions. ##
+## --------------------- ##
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
+
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with STATUS, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  fi
+  $as_echo "$as_me: error: $2" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+
 if expr a : '\(a\)' >/dev/null 2>&1 &&
    test "X`expr 00001 : '.*\(...\)'`" = X001; then
   as_expr=expr
@@ -145,8 +393,12 @@ else
   as_basename=false
 fi
 
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
 
-# Name of the executable.
 as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
@@ -166,295 +418,19 @@ $as_echo X/"$0" |
 	  }
 	  s/.*/./; q'`
 
-# CDPATH.
-$as_unset CDPATH
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
 
 
-if test "x$CONFIG_SHELL" = x; then
-  if (eval ":") 2>/dev/null; then
-  as_have_required=yes
-else
-  as_have_required=no
-fi
-
-  if test $as_have_required = yes &&	 (eval ":
-(as_func_return () {
-  (exit \$1)
-}
-as_func_success () {
-  as_func_return 0
-}
-as_func_failure () {
-  as_func_return 1
-}
-as_func_ret_success () {
-  return 0
-}
-as_func_ret_failure () {
-  return 1
-}
-
-exitcode=0
-if as_func_success; then
-  :
-else
-  exitcode=1
-  echo as_func_success failed.
-fi
-
-if as_func_failure; then
-  exitcode=1
-  echo as_func_failure succeeded.
-fi
-
-if as_func_ret_success; then
-  :
-else
-  exitcode=1
-  echo as_func_ret_success failed.
-fi
-
-if as_func_ret_failure; then
-  exitcode=1
-  echo as_func_ret_failure succeeded.
-fi
-
-if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
-  :
-else
-  exitcode=1
-  echo positional parameters were not saved.
-fi
-
-test \$exitcode = 0) || { (exit 1); exit 1; }
-
-(
-  as_lineno_1=\$LINENO
-  as_lineno_2=\$LINENO
-  test \"x\$as_lineno_1\" != \"x\$as_lineno_2\" &&
-  test \"x\`expr \$as_lineno_1 + 1\`\" = \"x\$as_lineno_2\") || { (exit 1); exit 1; }
-") 2> /dev/null; then
-  :
-else
-  as_candidate_shells=
-    as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  case $as_dir in
-	 /*)
-	   for as_base in sh bash ksh sh5; do
-	     as_candidate_shells="$as_candidate_shells $as_dir/$as_base"
-	   done;;
-       esac
-done
-IFS=$as_save_IFS
-
-
-      for as_shell in $as_candidate_shells $SHELL; do
-	 # Try only shells that exist, to save several forks.
-	 if { test -f "$as_shell" || test -f "$as_shell.exe"; } &&
-		{ ("$as_shell") 2> /dev/null <<\_ASEOF
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
-  emulate sh
-  NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
-  # is contrary to our usage.  Disable this feature.
-  alias -g '${1+"$@"}'='"$@"'
-  setopt NO_GLOB_SUBST
-else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
-esac
-
-fi
-
-
-:
-_ASEOF
-}; then
-  CONFIG_SHELL=$as_shell
-	       as_have_required=yes
-	       if { "$as_shell" 2> /dev/null <<\_ASEOF
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
-  emulate sh
-  NULLCMD=:
-  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
-  # is contrary to our usage.  Disable this feature.
-  alias -g '${1+"$@"}'='"$@"'
-  setopt NO_GLOB_SUBST
-else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
-esac
-
-fi
-
-
-:
-(as_func_return () {
-  (exit $1)
-}
-as_func_success () {
-  as_func_return 0
-}
-as_func_failure () {
-  as_func_return 1
-}
-as_func_ret_success () {
-  return 0
-}
-as_func_ret_failure () {
-  return 1
-}
-
-exitcode=0
-if as_func_success; then
-  :
-else
-  exitcode=1
-  echo as_func_success failed.
-fi
-
-if as_func_failure; then
-  exitcode=1
-  echo as_func_failure succeeded.
-fi
-
-if as_func_ret_success; then
-  :
-else
-  exitcode=1
-  echo as_func_ret_success failed.
-fi
-
-if as_func_ret_failure; then
-  exitcode=1
-  echo as_func_ret_failure succeeded.
-fi
-
-if ( set x; as_func_ret_success y && test x = "$1" ); then
-  :
-else
-  exitcode=1
-  echo positional parameters were not saved.
-fi
-
-test $exitcode = 0) || { (exit 1); exit 1; }
-
-(
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2") || { (exit 1); exit 1; }
-
-_ASEOF
-}; then
-  break
-fi
-
-fi
-
-      done
-
-      if test "x$CONFIG_SHELL" != x; then
-  for as_var in BASH_ENV ENV
-	do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
-	done
-	export CONFIG_SHELL
-	exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
-fi
-
-
-    if test $as_have_required = no; then
-  echo This script requires a shell more modern than all the
-      echo shells that I found on your system.  Please install a
-      echo modern shell, or manually run the script under such a
-      echo shell if you do have one.
-      { (exit 1); exit 1; }
-fi
-
-
-fi
-
-fi
-
-
-
-(eval "as_func_return () {
-  (exit \$1)
-}
-as_func_success () {
-  as_func_return 0
-}
-as_func_failure () {
-  as_func_return 1
-}
-as_func_ret_success () {
-  return 0
-}
-as_func_ret_failure () {
-  return 1
-}
-
-exitcode=0
-if as_func_success; then
-  :
-else
-  exitcode=1
-  echo as_func_success failed.
-fi
-
-if as_func_failure; then
-  exitcode=1
-  echo as_func_failure succeeded.
-fi
-
-if as_func_ret_success; then
-  :
-else
-  exitcode=1
-  echo as_func_ret_success failed.
-fi
-
-if as_func_ret_failure; then
-  exitcode=1
-  echo as_func_ret_failure succeeded.
-fi
-
-if ( set x; as_func_ret_success y && test x = \"\$1\" ); then
-  :
-else
-  exitcode=1
-  echo positional parameters were not saved.
-fi
-
-test \$exitcode = 0") || {
-  echo No shell found that supports shell functions.
-  echo Please tell bug-autoconf@gnu.org about your system,
-  echo including any error possibly output before this message.
-  echo This can help us improve future autoconf versions.
-  echo Configuration will now proceed without shell functions.
-}
-
-
-
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
-
-  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
-  # uniformly replaced by the line number.  The first 'sed' inserts a
-  # line-number line after each line using $LINENO; the second 'sed'
-  # does the real work.  The second script uses 'N' to pair each
-  # line-number line with the line containing $LINENO, and appends
-  # trailing '-' during substitution so that $LINENO is not a special
-  # case at line end.
-  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
-  # scripts with optimization help from Paolo Bonzini.  Blame Lee
-  # E. McMahon (1931-1989) for sed's syntax.  :-)
+  as_lineno_1=$LINENO as_lineno_1a=$LINENO
+  as_lineno_2=$LINENO as_lineno_2a=$LINENO
+  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
+  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
+  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
   sed -n '
     p
     /[$]LINENO/=
@@ -471,8 +447,7 @@ test \$exitcode = 0") || {
       s/-\n.*//
     ' >$as_me.lineno &&
   chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
-   { (exit 1); exit 1; }; }
+    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
 
   # Don't try to exec as it changes $[0], causing all sort of problems
   # (the dirname of $[0] is not the place where we might find the
@@ -482,29 +457,18 @@ test \$exitcode = 0") || {
   exit
 }
 
-
-if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
-  as_dirname=dirname
-else
-  as_dirname=false
-fi
-
 ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in
+case `echo -n x` in #(((((
 -n*)
-  case `echo 'x\c'` in
+  case `echo 'xy\c'` in
   *c*) ECHO_T='	';;	# ECHO_T is single tab character.
-  *)   ECHO_C='\c';;
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
   esac;;
 *)
   ECHO_N='-n';;
 esac
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
-  as_expr=expr
-else
-  as_expr=false
-fi
 
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
@@ -534,7 +498,7 @@ rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
 rmdir conf$$.dir 2>/dev/null
 
 if mkdir -p . 2>/dev/null; then
-  as_mkdir_p=:
+  as_mkdir_p='mkdir -p "$as_dir"'
 else
   test -d ./-p && rmdir ./-p
   as_mkdir_p=false
@@ -553,10 +517,10 @@ else
       if test -d "$1"; then
 	test -d "$1/.";
       else
-	case $1 in
+	case $1 in #(
 	-*)set "./$1";;
 	esac;
-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
 	???[sx]*):;;*)false;;esac;fi
     '\'' sh
   '
@@ -571,7 +535,6 @@ as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
 
-
 # Check that we are running under the correct shell.
 SHELL=${CONFIG_SHELL-/bin/sh}
 
@@ -720,10 +683,11 @@ fi
 
 
 
-exec 7<&0 </dev/null 6>&1
+test -n "$DJDIR" || exec 7<&0 </dev/null
+exec 6>&1
 
 # Name of the host.
-# hostname on some systems (SVR3.2, Linux) returns a bogus exit status,
+# hostname on some systems (SVR3.2, old GNU/Linux) returns a bogus exit status,
 # so uname gets run too.
 ac_hostname=`(hostname || uname -n) 2>/dev/null | sed 1q`
 
@@ -738,14 +702,14 @@ cross_compiling=no
 subdirs=
 MFLAGS=
 MAKEFLAGS=
-SHELL=${CONFIG_SHELL-/bin/sh}
 
 # Identity of this package.
 PACKAGE_NAME='sqlite'
 PACKAGE_TARNAME='sqlite'
-PACKAGE_VERSION='3.7.13'
-PACKAGE_STRING='sqlite 3.7.13'
+PACKAGE_VERSION='3.7.14.1'
+PACKAGE_STRING='sqlite 3.7.14.1'
 PACKAGE_BUGREPORT=''
+PACKAGE_URL=''
 
 # Factoring default headers for most tests.
 ac_includes_default="\
@@ -783,121 +747,122 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL
-PATH_SEPARATOR
-PACKAGE_NAME
-PACKAGE_TARNAME
-PACKAGE_VERSION
-PACKAGE_STRING
-PACKAGE_BUGREPORT
-exec_prefix
-prefix
-program_transform_name
-bindir
-sbindir
-libexecdir
-datarootdir
-datadir
-sysconfdir
-sharedstatedir
-localstatedir
-includedir
-oldincludedir
-docdir
-infodir
-htmldir
-dvidir
-pdfdir
-psdir
-libdir
-localedir
-mandir
-DEFS
-ECHO_C
-ECHO_N
-ECHO_T
-LIBS
-build_alias
-host_alias
-target_alias
-LIBTOOL
-build
-build_cpu
-build_vendor
-build_os
-host
-host_cpu
-host_vendor
-host_os
-CC
-CFLAGS
-LDFLAGS
-CPPFLAGS
-ac_ct_CC
-EXEEXT
-OBJEXT
-SED
-GREP
-EGREP
-FGREP
-LD
-DUMPBIN
-ac_ct_DUMPBIN
-NM
-LN_S
-OBJDUMP
-AR
-STRIP
-RANLIB
-lt_ECHO
-DSYMUTIL
-NMEDIT
-LIPO
-OTOOL
-OTOOL64
-CPP
-INSTALL_PROGRAM
-INSTALL_SCRIPT
-INSTALL_DATA
-AWK
-TCLSH_CMD
-TCLLIBDIR
-program_prefix
-VERSION
-RELEASE
-VERSION_NUMBER
-BUILD_CC
-SQLITE_THREADSAFE
-XTHREADCONNECT
-ALLOWRELEASE
-TEMP_STORE
-BUILD_EXEEXT
-SQLITE_OS_UNIX
-SQLITE_OS_WIN
-SQLITE_OS_OS2
-TARGET_EXEEXT
-TCL_VERSION
-TCL_BIN_DIR
-TCL_SRC_DIR
-TCL_LIBS
-TCL_INCLUDE_SPEC
-TCL_LIB_FILE
-TCL_LIB_FLAG
-TCL_LIB_SPEC
-TCL_STUB_LIB_FILE
-TCL_STUB_LIB_FLAG
-TCL_STUB_LIB_SPEC
-HAVE_TCL
-TARGET_READLINE_LIBS
-TARGET_READLINE_INC
-TARGET_HAVE_READLINE
-TARGET_DEBUG
-USE_AMALGAMATION
-OPT_FEATURE_FLAGS
-USE_GCOV
-BUILD_CFLAGS
+ac_subst_vars='LTLIBOBJS
 LIBOBJS
-LTLIBOBJS'
+BUILD_CFLAGS
+USE_GCOV
+OPT_FEATURE_FLAGS
+USE_AMALGAMATION
+TARGET_DEBUG
+TARGET_HAVE_READLINE
+TARGET_READLINE_INC
+TARGET_READLINE_LIBS
+HAVE_TCL
+TCL_STUB_LIB_SPEC
+TCL_STUB_LIB_FLAG
+TCL_STUB_LIB_FILE
+TCL_LIB_SPEC
+TCL_LIB_FLAG
+TCL_LIB_FILE
+TCL_INCLUDE_SPEC
+TCL_LIBS
+TCL_SRC_DIR
+TCL_BIN_DIR
+TCL_VERSION
+TARGET_EXEEXT
+SQLITE_OS_OS2
+SQLITE_OS_WIN
+SQLITE_OS_UNIX
+BUILD_EXEEXT
+TEMP_STORE
+ALLOWRELEASE
+XTHREADCONNECT
+SQLITE_THREADSAFE
+BUILD_CC
+VERSION_NUMBER
+RELEASE
+VERSION
+program_prefix
+TCLLIBDIR
+TCLSH_CMD
+AWK
+INSTALL_DATA
+INSTALL_SCRIPT
+INSTALL_PROGRAM
+CPP
+OTOOL64
+OTOOL
+LIPO
+NMEDIT
+DSYMUTIL
+lt_ECHO
+RANLIB
+STRIP
+AR
+OBJDUMP
+LN_S
+NM
+ac_ct_DUMPBIN
+DUMPBIN
+LD
+FGREP
+EGREP
+GREP
+SED
+OBJEXT
+EXEEXT
+ac_ct_CC
+CPPFLAGS
+LDFLAGS
+CFLAGS
+CC
+host_os
+host_vendor
+host_cpu
+host
+build_os
+build_vendor
+build_cpu
+build
+LIBTOOL
+target_alias
+host_alias
+build_alias
+LIBS
+ECHO_T
+ECHO_N
+ECHO_C
+DEFS
+mandir
+localedir
+libdir
+psdir
+pdfdir
+dvidir
+htmldir
+infodir
+docdir
+oldincludedir
+includedir
+localstatedir
+sharedstatedir
+sysconfdir
+datadir
+datarootdir
+libexecdir
+sbindir
+bindir
+program_transform_name
+prefix
+exec_prefix
+PACKAGE_URL
+PACKAGE_BUGREPORT
+PACKAGE_STRING
+PACKAGE_VERSION
+PACKAGE_TARNAME
+PACKAGE_NAME
+PATH_SEPARATOR
+SHELL'
 ac_subst_files=''
 ac_user_opts='
 enable_option_checking
@@ -995,8 +960,9 @@ do
   fi
 
   case $ac_option in
-  *=*)	ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
-  *)	ac_optarg=yes ;;
+  *=?*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+  *=)   ac_optarg= ;;
+  *)    ac_optarg=yes ;;
   esac
 
   # Accept the important Cygnus configure options, so we can diagnose typos.
@@ -1041,8 +1007,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      { $as_echo "$as_me: error: invalid feature name: $ac_useropt" >&2
-   { (exit 1); exit 1; }; }
+      as_fn_error $? "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1068,8 +1033,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      { $as_echo "$as_me: error: invalid feature name: $ac_useropt" >&2
-   { (exit 1); exit 1; }; }
+      as_fn_error $? "invalid feature name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1273,8 +1237,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      { $as_echo "$as_me: error: invalid package name: $ac_useropt" >&2
-   { (exit 1); exit 1; }; }
+      as_fn_error $? "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1290,8 +1253,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      { $as_echo "$as_me: error: invalid package name: $ac_useropt" >&2
-   { (exit 1); exit 1; }; }
+      as_fn_error $? "invalid package name: $ac_useropt"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`$as_echo "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1321,17 +1283,17 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) { $as_echo "$as_me: error: unrecognized option: $ac_option
-Try \`$0 --help' for more information." >&2
-   { (exit 1); exit 1; }; }
+  -*) as_fn_error $? "unrecognized option: \`$ac_option'
+Try \`$0 --help' for more information"
     ;;
 
   *=*)
     ac_envvar=`expr "x$ac_option" : 'x\([^=]*\)='`
     # Reject names that are not valid shell variable names.
-    expr "x$ac_envvar" : ".*[^_$as_cr_alnum]" >/dev/null &&
-      { $as_echo "$as_me: error: invalid variable name: $ac_envvar" >&2
-   { (exit 1); exit 1; }; }
+    case $ac_envvar in #(
+      '' | [0-9]* | *[!_$as_cr_alnum]* )
+      as_fn_error $? "invalid variable name: \`$ac_envvar'" ;;
+    esac
     eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
 
@@ -1340,7 +1302,7 @@ Try \`$0 --help' for more information." >&2
     $as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
     expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
       $as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
-    : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
+    : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
     ;;
 
   esac
@@ -1348,16 +1310,14 @@ done
 
 if test -n "$ac_prev"; then
   ac_option=--`echo $ac_prev | sed 's/_/-/g'`
-  { $as_echo "$as_me: error: missing argument to $ac_option" >&2
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "missing argument to $ac_option"
 fi
 
 if test -n "$ac_unrecognized_opts"; then
   case $enable_option_checking in
     no) ;;
-    fatal) { $as_echo "$as_me: error: Unrecognized options: $ac_unrecognized_opts" >&2
-   { (exit 1); exit 1; }; } ;;
-    *)     $as_echo "$as_me: WARNING: Unrecognized options: $ac_unrecognized_opts" >&2 ;;
+    fatal) as_fn_error $? "unrecognized options: $ac_unrecognized_opts" ;;
+    *)     $as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2 ;;
   esac
 fi
 
@@ -1379,8 +1339,7 @@ do
     [\\/$]* | ?:[\\/]* )  continue;;
     NONE | '' ) case $ac_var in *prefix ) continue;; esac;;
   esac
-  { $as_echo "$as_me: error: expected an absolute directory name for --$ac_var: $ac_val" >&2
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
 done
 
 # There might be people who depend on the old broken behavior: `$host'
@@ -1394,8 +1353,8 @@ target=$target_alias
 if test "x$host_alias" != x; then
   if test "x$build_alias" = x; then
     cross_compiling=maybe
-    $as_echo "$as_me: WARNING: If you wanted to set the --build type, don't use --host.
-    If a cross compiler is detected then cross compile mode will be used." >&2
+    $as_echo "$as_me: WARNING: if you wanted to set the --build type, don't use --host.
+    If a cross compiler is detected then cross compile mode will be used" >&2
   elif test "x$build_alias" != "x$host_alias"; then
     cross_compiling=yes
   fi
@@ -1410,11 +1369,9 @@ test "$silent" = yes && exec 6>/dev/null
 ac_pwd=`pwd` && test -n "$ac_pwd" &&
 ac_ls_di=`ls -di .` &&
 ac_pwd_ls_di=`cd "$ac_pwd" && ls -di .` ||
-  { $as_echo "$as_me: error: Working directory cannot be determined" >&2
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "working directory cannot be determined"
 test "X$ac_ls_di" = "X$ac_pwd_ls_di" ||
-  { $as_echo "$as_me: error: pwd does not report name of working directory" >&2
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "pwd does not report name of working directory"
 
 
 # Find the source files, if location was not specified.
@@ -1453,13 +1410,11 @@ else
 fi
 if test ! -r "$srcdir/$ac_unique_file"; then
   test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
-  { $as_echo "$as_me: error: cannot find sources ($ac_unique_file) in $srcdir" >&2
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
 fi
 ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
 ac_abs_confdir=`(
-	cd "$srcdir" && test -r "./$ac_unique_file" || { $as_echo "$as_me: error: $ac_msg" >&2
-   { (exit 1); exit 1; }; }
+	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
 	pwd)`
 # When building in place, set srcdir=.
 if test "$ac_abs_confdir" = "$ac_pwd"; then
@@ -1485,7 +1440,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures sqlite 3.7.13 to adapt to many kinds of systems.
+\`configure' configures sqlite 3.7.14.1 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1499,7 +1454,7 @@ Configuration:
       --help=short        display options specific to this package
       --help=recursive    display the short help of all the included packages
   -V, --version           display version information and exit
-  -q, --quiet, --silent   do not print \`checking...' messages
+  -q, --quiet, --silent   do not print \`checking ...' messages
       --cache-file=FILE   cache test results in FILE [disabled]
   -C, --config-cache      alias for \`--cache-file=config.cache'
   -n, --no-create         do not create output files
@@ -1550,7 +1505,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of sqlite 3.7.13:";;
+     short | recursive ) echo "Configuration of sqlite 3.7.14.1:";;
    esac
   cat <<\_ACEOF
 
@@ -1596,7 +1551,7 @@ Some influential environment variables:
   LDFLAGS     linker flags, e.g. -L<lib dir> if you have libraries in a
               nonstandard directory <lib dir>
   LIBS        libraries to pass to the linker, e.g. -l<library>
-  CPPFLAGS    C/C++/Objective C preprocessor flags, e.g. -I<include dir> if
+  CPPFLAGS    (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
               you have headers in a nonstandard directory <include dir>
   CPP         C preprocessor
   TCLLIBDIR   Where to install tcl plugin
@@ -1604,6 +1559,7 @@ Some influential environment variables:
 Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
 
+Report bugs to the package provider.
 _ACEOF
 ac_status=$?
 fi
@@ -1666,22 +1622,427 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-sqlite configure 3.7.13
-generated by GNU Autoconf 2.62
+sqlite configure 3.7.14.1
+generated by GNU Autoconf 2.68
 
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
-2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+Copyright (C) 2010 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
   exit
 fi
+
+## ------------------------ ##
+## Autoconf initialization. ##
+## ------------------------ ##
+
+# ac_fn_c_try_compile LINENO
+# --------------------------
+# Try to compile conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext
+  if { { ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compile") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_compile
+
+# ac_fn_c_try_link LINENO
+# -----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_link ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest$ac_exeext
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+  # interfere with the next link command; also delete a directory that is
+  # left behind by Apple's compiler.  We do this before executing the actions.
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_link
+
+# ac_fn_c_check_header_compile LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists and can be compiled using the include files in
+# INCLUDES, setting the cache variable VAR accordingly.
+ac_fn_c_check_header_compile ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_header_compile
+
+# ac_fn_c_try_cpp LINENO
+# ----------------------
+# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_cpp ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } > conftest.i && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+    ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_cpp
+
+# ac_fn_c_try_run LINENO
+# ----------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded. Assumes
+# that executables *can* be run.
+ac_fn_c_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: program exited with status $ac_status" >&5
+       $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_retval=$ac_status
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_run
+
+# ac_fn_c_check_func LINENO FUNC VAR
+# ----------------------------------
+# Tests whether FUNC exists, setting the cache variable VAR accordingly
+ac_fn_c_check_func ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+/* Define $2 to an innocuous variant, in case <limits.h> declares $2.
+   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
+#define $2 innocuous_$2
+
+/* System header to define __stub macros and hopefully few prototypes,
+    which can conflict with char $2 (); below.
+    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
+    <limits.h> exists even on freestanding compilers.  */
+
+#ifdef __STDC__
+# include <limits.h>
+#else
+# include <assert.h>
+#endif
+
+#undef $2
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char $2 ();
+/* The GNU C library defines this for functions which it implements
+    to always fail with ENOSYS.  Some functions are actually named
+    something starting with __ and the normal name is an alias.  */
+#if defined __stub_$2 || defined __stub___$2
+choke me
+#endif
+
+int
+main ()
+{
+return $2 ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  eval "$3=yes"
+else
+  eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_func
+
+# ac_fn_c_check_type LINENO TYPE VAR INCLUDES
+# -------------------------------------------
+# Tests whether TYPE exists after having included INCLUDES, setting cache
+# variable VAR accordingly.
+ac_fn_c_check_type ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  eval "$3=no"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+if (sizeof ($2))
+	 return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+int
+main ()
+{
+if (sizeof (($2)))
+	    return 0;
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+else
+  eval "$3=yes"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_type
+
+# ac_fn_c_check_header_mongrel LINENO HEADER VAR INCLUDES
+# -------------------------------------------------------
+# Tests whether HEADER exists, giving a warning if it cannot be compiled using
+# the include files in INCLUDES and setting the cache variable VAR
+# accordingly.
+ac_fn_c_check_header_mongrel ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if eval \${$3+:} false; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 usability" >&5
+$as_echo_n "checking $2 usability... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$4
+#include <$2>
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_header_compiler=yes
+else
+  ac_header_compiler=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_compiler" >&5
+$as_echo "$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking $2 presence" >&5
+$as_echo_n "checking $2 presence... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <$2>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"; then :
+  ac_header_preproc=yes
+else
+  ac_header_preproc=no
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_header_preproc" >&5
+$as_echo "$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in #((
+  yes:no: )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&5
+$as_echo "$as_me: WARNING: $2: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+  no:yes:* )
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: present but cannot be compiled" >&5
+$as_echo "$as_me: WARNING: $2: present but cannot be compiled" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     check for missing prerequisite headers?" >&5
+$as_echo "$as_me: WARNING: $2:     check for missing prerequisite headers?" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: see the Autoconf documentation" >&5
+$as_echo "$as_me: WARNING: $2: see the Autoconf documentation" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&5
+$as_echo "$as_me: WARNING: $2:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $2: proceeding with the compiler's result" >&5
+$as_echo "$as_me: WARNING: $2: proceeding with the compiler's result" >&2;}
+    ;;
+esac
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
+$as_echo_n "checking for $2... " >&6; }
+if eval \${$3+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  eval "$3=\$ac_header_compiler"
+fi
+eval ac_res=\$$3
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+
+} # ac_fn_c_check_header_mongrel
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by sqlite $as_me 3.7.13, which was
-generated by GNU Autoconf 2.62.  Invocation command line was
+It was created by sqlite $as_me 3.7.14.1, which was
+generated by GNU Autoconf 2.68.  Invocation command line was
 
   $ $0 $@
 
@@ -1717,8 +2078,8 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  $as_echo "PATH: $as_dir"
-done
+    $as_echo "PATH: $as_dir"
+  done
 IFS=$as_save_IFS
 
 } >&5
@@ -1755,9 +2116,9 @@ do
       ac_arg=`$as_echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
     case $ac_pass in
-    1) ac_configure_args0="$ac_configure_args0 '$ac_arg'" ;;
+    1) as_fn_append ac_configure_args0 " '$ac_arg'" ;;
     2)
-      ac_configure_args1="$ac_configure_args1 '$ac_arg'"
+      as_fn_append ac_configure_args1 " '$ac_arg'"
       if test $ac_must_keep_next = true; then
 	ac_must_keep_next=false # Got value, back to normal.
       else
@@ -1773,13 +2134,13 @@ do
 	  -* ) ac_must_keep_next=true ;;
 	esac
       fi
-      ac_configure_args="$ac_configure_args '$ac_arg'"
+      as_fn_append ac_configure_args " '$ac_arg'"
       ;;
     esac
   done
 done
-$as_unset ac_configure_args0 || test "${ac_configure_args0+set}" != set || { ac_configure_args0=; export ac_configure_args0; }
-$as_unset ac_configure_args1 || test "${ac_configure_args1+set}" != set || { ac_configure_args1=; export ac_configure_args1; }
+{ ac_configure_args0=; unset ac_configure_args0;}
+{ ac_configure_args1=; unset ac_configure_args1;}
 
 # When interrupted or exit'd, cleanup temporary files, and complete
 # config.log.  We remove comments because anyway the quotes in there
@@ -1791,11 +2152,9 @@ trap 'exit_status=$?
   {
     echo
 
-    cat <<\_ASBOX
-## ---------------- ##
+    $as_echo "## ---------------- ##
 ## Cache variables. ##
-## ---------------- ##
-_ASBOX
+## ---------------- ##"
     echo
     # The following way of writing the cache mishandles newlines in values,
 (
@@ -1804,13 +2163,13 @@ _ASBOX
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
-$as_echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
       BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
-      *) $as_unset $ac_var ;;
+      *) { eval $ac_var=; unset $ac_var;} ;;
       esac ;;
     esac
   done
@@ -1829,11 +2188,9 @@ $as_echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
 )
     echo
 
-    cat <<\_ASBOX
-## ----------------- ##
+    $as_echo "## ----------------- ##
 ## Output variables. ##
-## ----------------- ##
-_ASBOX
+## ----------------- ##"
     echo
     for ac_var in $ac_subst_vars
     do
@@ -1846,11 +2203,9 @@ _ASBOX
     echo
 
     if test -n "$ac_subst_files"; then
-      cat <<\_ASBOX
-## ------------------- ##
+      $as_echo "## ------------------- ##
 ## File substitutions. ##
-## ------------------- ##
-_ASBOX
+## ------------------- ##"
       echo
       for ac_var in $ac_subst_files
       do
@@ -1864,11 +2219,9 @@ _ASBOX
     fi
 
     if test -s confdefs.h; then
-      cat <<\_ASBOX
-## ----------- ##
+      $as_echo "## ----------- ##
 ## confdefs.h. ##
-## ----------- ##
-_ASBOX
+## ----------- ##"
       echo
       cat confdefs.h
       echo
@@ -1882,46 +2235,53 @@ _ASBOX
     exit $exit_status
 ' 0
 for ac_signal in 1 2 13 15; do
-  trap 'ac_signal='$ac_signal'; { (exit 1); exit 1; }' $ac_signal
+  trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal
 done
 ac_signal=0
 
 # confdefs.h avoids OS command line length limits that DEFS can exceed.
 rm -f -r conftest* confdefs.h
 
+$as_echo "/* confdefs.h */" > confdefs.h
+
 # Predefined preprocessor variables.
 
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_NAME "$PACKAGE_NAME"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_TARNAME "$PACKAGE_TARNAME"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_VERSION "$PACKAGE_VERSION"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_STRING "$PACKAGE_STRING"
 _ACEOF
 
-
 cat >>confdefs.h <<_ACEOF
 #define PACKAGE_BUGREPORT "$PACKAGE_BUGREPORT"
 _ACEOF
 
+cat >>confdefs.h <<_ACEOF
+#define PACKAGE_URL "$PACKAGE_URL"
+_ACEOF
+
 
 # Let the site file select an alternate cache file if it wants to.
 # Prefer an explicitly selected file to automatically selected ones.
 ac_site_file1=NONE
 ac_site_file2=NONE
 if test -n "$CONFIG_SITE"; then
-  ac_site_file1=$CONFIG_SITE
+  # We do not want a PATH search for config.site.
+  case $CONFIG_SITE in #((
+    -*)  ac_site_file1=./$CONFIG_SITE;;
+    */*) ac_site_file1=$CONFIG_SITE;;
+    *)   ac_site_file1=./$CONFIG_SITE;;
+  esac
 elif test "x$prefix" != xNONE; then
   ac_site_file1=$prefix/share/config.site
   ac_site_file2=$prefix/etc/config.site
@@ -1932,19 +2292,23 @@ fi
 for ac_site_file in "$ac_site_file1" "$ac_site_file2"
 do
   test "x$ac_site_file" = xNONE && continue
-  if test -r "$ac_site_file"; then
-    { $as_echo "$as_me:$LINENO: loading site script $ac_site_file" >&5
+  if test /dev/null != "$ac_site_file" && test -r "$ac_site_file"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5
 $as_echo "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
-    . "$ac_site_file"
+    . "$ac_site_file" \
+      || { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "failed to load site script $ac_site_file
+See \`config.log' for more details" "$LINENO" 5; }
   fi
 done
 
 if test -r "$cache_file"; then
-  # Some versions of bash will fail to source /dev/null (special
-  # files actually), so we avoid doing that.
-  if test -f "$cache_file"; then
-    { $as_echo "$as_me:$LINENO: loading cache $cache_file" >&5
+  # Some versions of bash will fail to source /dev/null (special files
+  # actually), so we avoid doing that.  DJGPP emulates it as a regular file.
+  if test /dev/null != "$cache_file" && test -f "$cache_file"; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5
 $as_echo "$as_me: loading cache $cache_file" >&6;}
     case $cache_file in
       [\\/]* | ?:[\\/]* ) . "$cache_file";;
@@ -1952,7 +2316,7 @@ $as_echo "$as_me: loading cache $cache_file" >&6;}
     esac
   fi
 else
-  { $as_echo "$as_me:$LINENO: creating cache $cache_file" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5
 $as_echo "$as_me: creating cache $cache_file" >&6;}
   >$cache_file
 fi
@@ -1967,11 +2331,11 @@ for ac_var in $ac_precious_vars; do
   eval ac_new_val=\$ac_env_${ac_var}_value
   case $ac_old_set,$ac_new_set in
     set,)
-      { $as_echo "$as_me:$LINENO: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
 $as_echo "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,set)
-      { $as_echo "$as_me:$LINENO: error: \`$ac_var' was not set in the previous run" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
 $as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
@@ -1981,17 +2345,17 @@ $as_echo "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
 	ac_old_val_w=`echo x $ac_old_val`
 	ac_new_val_w=`echo x $ac_new_val`
 	if test "$ac_old_val_w" != "$ac_new_val_w"; then
-	  { $as_echo "$as_me:$LINENO: error: \`$ac_var' has changed since the previous run:" >&5
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
 $as_echo "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
 	  ac_cache_corrupted=:
 	else
-	  { $as_echo "$as_me:$LINENO: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
 $as_echo "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
 	  eval $ac_var=\$ac_old_val
 	fi
-	{ $as_echo "$as_me:$LINENO:   former value:  \`$ac_old_val'" >&5
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
 $as_echo "$as_me:   former value:  \`$ac_old_val'" >&2;}
-	{ $as_echo "$as_me:$LINENO:   current value: \`$ac_new_val'" >&5
+	{ $as_echo "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
 $as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
       fi;;
   esac
@@ -2003,41 +2367,20 @@ $as_echo "$as_me:   current value: \`$ac_new_val'" >&2;}
     esac
     case " $ac_configure_args " in
       *" '$ac_arg' "*) ;; # Avoid dups.  Use of quotes ensures accuracy.
-      *) ac_configure_args="$ac_configure_args '$ac_arg'" ;;
+      *) as_fn_append ac_configure_args " '$ac_arg'" ;;
     esac
   fi
 done
 if $ac_cache_corrupted; then
-  { $as_echo "$as_me:$LINENO: error: changes in the environment can compromise the build" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
 $as_echo "$as_me: error: changes in the environment can compromise the build" >&2;}
-  { { $as_echo "$as_me:$LINENO: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&5
-$as_echo "$as_me: error: run \`make distclean' and/or \`rm $cache_file' and start over" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "run \`make distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5
 fi
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+## -------------------- ##
+## Main body of script. ##
+## -------------------- ##
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -2049,15 +2392,10 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 sqlite_version_sanity_check=`cat $srcdir/VERSION | tr -d '\n'`
 if test "$PACKAGE_VERSION" != "$sqlite_version_sanity_check" ; then
-{ { $as_echo "$as_me:$LINENO: error: configure script is out of date:
+as_fn_error $? "configure script is out of date:
  configure \$PACKAGE_VERSION = $PACKAGE_VERSION
  top level VERSION file     = $sqlite_version_sanity_check
-please regen with autoconf" >&5
-$as_echo "$as_me: error: configure script is out of date:
- configure \$PACKAGE_VERSION = $PACKAGE_VERSION
- top level VERSION file     = $sqlite_version_sanity_check
-please regen with autoconf" >&2;}
-   { (exit 1); exit 1; }; }
+please regen with autoconf" "$LINENO" 5
 fi
 
 # The following RCS revision string applies to configure.in
@@ -2068,7 +2406,7 @@ fi
 #
 case `pwd` in
   *\ * | *\	*)
-    { $as_echo "$as_me:$LINENO: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&5
 $as_echo "$as_me: WARNING: Libtool does not cope well with whitespace in \`pwd\`" >&2;} ;;
 esac
 
@@ -2108,9 +2446,7 @@ for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
   fi
 done
 if test -z "$ac_aux_dir"; then
-  { { $as_echo "$as_me:$LINENO: error: cannot find install-sh or install.sh in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" >&5
-$as_echo "$as_me: error: cannot find install-sh or install.sh in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "cannot find install-sh, install.sh, or shtool in \"$srcdir\" \"$srcdir/..\" \"$srcdir/../..\"" "$LINENO" 5
 fi
 
 # These three variables are undocumented and unsupported,
@@ -2124,35 +2460,27 @@ ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
 
 # Make sure we can run config.sub.
 $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
-  { { $as_echo "$as_me:$LINENO: error: cannot run $SHELL $ac_aux_dir/config.sub" >&5
-$as_echo "$as_me: error: cannot run $SHELL $ac_aux_dir/config.sub" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
 
-{ $as_echo "$as_me:$LINENO: checking build system type" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
 $as_echo_n "checking build system type... " >&6; }
-if test "${ac_cv_build+set}" = set; then
+if ${ac_cv_build+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_build_alias=$build_alias
 test "x$ac_build_alias" = x &&
   ac_build_alias=`$SHELL "$ac_aux_dir/config.guess"`
 test "x$ac_build_alias" = x &&
-  { { $as_echo "$as_me:$LINENO: error: cannot guess build type; you must specify one" >&5
-$as_echo "$as_me: error: cannot guess build type; you must specify one" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
 ac_cv_build=`$SHELL "$ac_aux_dir/config.sub" $ac_build_alias` ||
-  { { $as_echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&5
-$as_echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $ac_build_alias failed" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "$SHELL $ac_aux_dir/config.sub $ac_build_alias failed" "$LINENO" 5
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_build" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
 $as_echo "$ac_cv_build" >&6; }
 case $ac_cv_build in
 *-*-*) ;;
-*) { { $as_echo "$as_me:$LINENO: error: invalid value of canonical build" >&5
-$as_echo "$as_me: error: invalid value of canonical build" >&2;}
-   { (exit 1); exit 1; }; };;
+*) as_fn_error $? "invalid value of canonical build" "$LINENO" 5;;
 esac
 build=$ac_cv_build
 ac_save_IFS=$IFS; IFS='-'
@@ -2168,28 +2496,24 @@ IFS=$ac_save_IFS
 case $build_os in *\ *) build_os=`echo "$build_os" | sed 's/ /-/g'`;; esac
 
 
-{ $as_echo "$as_me:$LINENO: checking host system type" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
 $as_echo_n "checking host system type... " >&6; }
-if test "${ac_cv_host+set}" = set; then
+if ${ac_cv_host+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test "x$host_alias" = x; then
   ac_cv_host=$ac_cv_build
 else
   ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
-    { { $as_echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&5
-$as_echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "$SHELL $ac_aux_dir/config.sub $host_alias failed" "$LINENO" 5
 fi
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_host" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
 $as_echo "$ac_cv_host" >&6; }
 case $ac_cv_host in
 *-*-*) ;;
-*) { { $as_echo "$as_me:$LINENO: error: invalid value of canonical host" >&5
-$as_echo "$as_me: error: invalid value of canonical host" >&2;}
-   { (exit 1); exit 1; }; };;
+*) as_fn_error $? "invalid value of canonical host" "$LINENO" 5;;
 esac
 host=$ac_cv_host
 ac_save_IFS=$IFS; IFS='-'
@@ -2213,9 +2537,9 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}gcc; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2226,24 +2550,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}gcc"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
 $as_echo "$CC" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -2253,9 +2577,9 @@ if test -z "$ac_cv_prog_CC"; then
   ac_ct_CC=$CC
   # Extract the first word of "gcc", so it can be a program name with args.
 set dummy gcc; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -2266,24 +2590,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="gcc"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
 $as_echo "$ac_ct_CC" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -2292,12 +2616,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -2310,9 +2630,9 @@ if test -z "$CC"; then
           if test -n "$ac_tool_prefix"; then
     # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args.
 set dummy ${ac_tool_prefix}cc; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2323,24 +2643,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="${ac_tool_prefix}cc"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
 $as_echo "$CC" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -2350,9 +2670,9 @@ fi
 if test -z "$CC"; then
   # Extract the first word of "cc", so it can be a program name with args.
 set dummy cc; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2364,18 +2684,18 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then
        ac_prog_rejected=yes
        continue
      fi
     ac_cv_prog_CC="cc"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 if test $ac_prog_rejected = yes; then
@@ -2394,10 +2714,10 @@ fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
 $as_echo "$CC" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -2409,9 +2729,9 @@ if test -z "$CC"; then
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then
+if ${ac_cv_prog_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$CC"; then
@@ -2422,24 +2742,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_CC="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
-  { $as_echo "$as_me:$LINENO: result: $CC" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5
 $as_echo "$CC" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -2453,9 +2773,9 @@ if test -z "$CC"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_CC"; then
@@ -2466,24 +2786,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_CC="$ac_prog"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_CC" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5
 $as_echo "$ac_ct_CC" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -2496,12 +2816,8 @@ done
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     CC=$ac_ct_CC
@@ -2511,55 +2827,37 @@ fi
 fi
 
 
-test -z "$CC" && { { $as_echo "$as_me:$LINENO: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&5
-$as_echo "$as_me: error: no acceptable C compiler found in \$PATH
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }
+test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "no acceptable C compiler found in \$PATH
+See \`config.log' for more details" "$LINENO" 5; }
 
 # Provide some information about the compiler.
-$as_echo "$as_me:$LINENO: checking for C compiler version" >&5
+$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
 set X $ac_compile
 ac_compiler=$2
-{ (ac_try="$ac_compiler --version >&5"
+for ac_option in --version -v -V -qversion; do
+  { { ac_try="$ac_compiler $ac_option >&5"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compiler --version >&5") 2>&5
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_compiler $ac_option >&5") 2>conftest.err
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (ac_try="$ac_compiler -v >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compiler -v >&5") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
-{ (ac_try="$ac_compiler -V >&5"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compiler -V >&5") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
+  if test -s conftest.err; then
+    sed '10a\
+... rest of stderr output deleted ...
+         10q' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+  fi
+  rm -f conftest.er1 conftest.err
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+done
 
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2575,8 +2873,8 @@ ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out"
 # Try to create an executable without -o first, disregard a.out.
 # It will help us diagnose broken compilers, and finding out an intuition
 # of exeext.
-{ $as_echo "$as_me:$LINENO: checking for C compiler default output file name" >&5
-$as_echo_n "checking for C compiler default output file name... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5
+$as_echo_n "checking whether the C compiler works... " >&6; }
 ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'`
 
 # The possible output files:
@@ -2592,17 +2890,17 @@ do
 done
 rm -f $ac_rmfiles
 
-if { (ac_try="$ac_link_default"
+if { { ac_try="$ac_link_default"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_link_default") 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
   # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
 # So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
 # in a Makefile.  We should not override ac_cv_exeext if it was cached,
@@ -2619,7 +2917,7 @@ do
 	# certainly right.
 	break;;
     *.* )
-        if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
+	if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no;
 	then :; else
 	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
 	fi
@@ -2638,80 +2936,41 @@ test "$ac_cv_exeext" = no && ac_cv_exeext=
 else
   ac_file=''
 fi
-
-{ $as_echo "$as_me:$LINENO: result: $ac_file" >&5
-$as_echo "$ac_file" >&6; }
-if test -z "$ac_file"; then
-  $as_echo "$as_me: failed program was:" >&5
+if test -z "$ac_file"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+$as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { $as_echo "$as_me:$LINENO: error: C compiler cannot create executables
-See \`config.log' for more details." >&5
-$as_echo "$as_me: error: C compiler cannot create executables
-See \`config.log' for more details." >&2;}
-   { (exit 77); exit 77; }; }
-fi
-
-ac_exeext=$ac_cv_exeext
-
-# Check that the compiler produces executables we can run.  If not, either
-# the compiler is broken, or we cross compile.
-{ $as_echo "$as_me:$LINENO: checking whether the C compiler works" >&5
-$as_echo_n "checking whether the C compiler works... " >&6; }
-# FIXME: These cross compiler hacks should be removed for Autoconf 3.0
-# If not cross compiling, check that we can run a simple program.
-if test "$cross_compiling" != yes; then
-  if { ac_try='./$ac_file'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-    cross_compiling=no
-  else
-    if test "$cross_compiling" = maybe; then
-	cross_compiling=yes
-    else
-	{ { $as_echo "$as_me:$LINENO: error: cannot run C compiled programs.
-If you meant to cross compile, use \`--host'.
-See \`config.log' for more details." >&5
-$as_echo "$as_me: error: cannot run C compiled programs.
-If you meant to cross compile, use \`--host'.
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }
-    fi
-  fi
-fi
-{ $as_echo "$as_me:$LINENO: result: yes" >&5
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "C compiler cannot create executables
+See \`config.log' for more details" "$LINENO" 5; }
+else
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
+$as_echo_n "checking for C compiler default output file name... " >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_file" >&5
+$as_echo "$ac_file" >&6; }
+ac_exeext=$ac_cv_exeext
 
 rm -f -r a.out a.out.dSYM a.exe conftest$ac_cv_exeext b.out
 ac_clean_files=$ac_clean_files_save
-# Check that the compiler produces executables we can run.  If not, either
-# the compiler is broken, or we cross compile.
-{ $as_echo "$as_me:$LINENO: checking whether we are cross compiling" >&5
-$as_echo_n "checking whether we are cross compiling... " >&6; }
-{ $as_echo "$as_me:$LINENO: result: $cross_compiling" >&5
-$as_echo "$cross_compiling" >&6; }
-
-{ $as_echo "$as_me:$LINENO: checking for suffix of executables" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of executables" >&5
 $as_echo_n "checking for suffix of executables... " >&6; }
-if { (ac_try="$ac_link"
+if { { ac_try="$ac_link"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_link") 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
   # If both `conftest.exe' and `conftest' are `present' (well, observable)
 # catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
 # work properly (i.e., refer to `conftest.exe'), while it won't with
@@ -2726,30 +2985,83 @@ for ac_file in conftest.exe conftest conftest.*; do
   esac
 done
 else
-  { { $as_echo "$as_me:$LINENO: error: cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details." >&5
-$as_echo "$as_me: error: cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot compute suffix of executables: cannot compile and link
+See \`config.log' for more details" "$LINENO" 5; }
 fi
-
-rm -f conftest$ac_cv_exeext
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_exeext" >&5
+rm -f conftest conftest$ac_cv_exeext
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
 $as_echo "$ac_cv_exeext" >&6; }
 
 rm -f conftest.$ac_ext
 EXEEXT=$ac_cv_exeext
 ac_exeext=$EXEEXT
-{ $as_echo "$as_me:$LINENO: checking for suffix of object files" >&5
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <stdio.h>
+int
+main ()
+{
+FILE *f = fopen ("conftest.out", "w");
+ return ferror (f) || fclose (f) != 0;
+
+  ;
+  return 0;
+}
+_ACEOF
+ac_clean_files="$ac_clean_files conftest.out"
+# Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+$as_echo_n "checking whether we are cross compiling... " >&6; }
+if test "$cross_compiling" != yes; then
+  { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+  if { ac_try='./conftest$ac_cv_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
+    cross_compiling=no
+  else
+    if test "$cross_compiling" = maybe; then
+	cross_compiling=yes
+    else
+	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details" "$LINENO" 5; }
+    fi
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+$as_echo "$cross_compiling" >&6; }
+
+rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
+ac_clean_files=$ac_clean_files_save
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
 $as_echo_n "checking for suffix of object files... " >&6; }
-if test "${ac_cv_objext+set}" = set; then
+if ${ac_cv_objext+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2761,17 +3073,17 @@ main ()
 }
 _ACEOF
 rm -f conftest.o conftest.obj
-if { (ac_try="$ac_compile"
+if { { ac_try="$ac_compile"
 case "(($ac_try" in
   *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
   *) ac_try_echo=$ac_try;;
 esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
   (eval "$ac_compile") 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then :
   for ac_file in conftest.o conftest.obj conftest.*; do
   test -f "$ac_file" || continue;
   case $ac_file in
@@ -2784,29 +3096,23 @@ else
   $as_echo "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { $as_echo "$as_me:$LINENO: error: cannot compute suffix of object files: cannot compile
-See \`config.log' for more details." >&5
-$as_echo "$as_me: error: cannot compute suffix of object files: cannot compile
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }
+{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot compute suffix of object files: cannot compile
+See \`config.log' for more details" "$LINENO" 5; }
 fi
-
 rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_objext" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
 $as_echo "$ac_cv_objext" >&6; }
 OBJEXT=$ac_cv_objext
 ac_objext=$OBJEXT
-{ $as_echo "$as_me:$LINENO: checking whether we are using the GNU C compiler" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
 $as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if test "${ac_cv_c_compiler_gnu+set}" = set; then
+if ${ac_cv_c_compiler_gnu+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2820,37 +3126,16 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_compiler_gnu=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_compiler_gnu=no
+  ac_compiler_gnu=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_compiler_gnu" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
 $as_echo "$ac_cv_c_compiler_gnu" >&6; }
 if test $ac_compiler_gnu = yes; then
   GCC=yes
@@ -2859,20 +3144,16 @@ else
 fi
 ac_test_CFLAGS=${CFLAGS+set}
 ac_save_CFLAGS=$CFLAGS
-{ $as_echo "$as_me:$LINENO: checking whether $CC accepts -g" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
 $as_echo_n "checking whether $CC accepts -g... " >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then
+if ${ac_cv_prog_cc_g+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
    CFLAGS="-g"
-   cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2883,35 +3164,11 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_g=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	CFLAGS=""
-      cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  CFLAGS=""
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2922,36 +3179,12 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_compile "$LINENO"; then :
 
-	ac_c_werror_flag=$ac_save_c_werror_flag
+else
+  ac_c_werror_flag=$ac_save_c_werror_flag
 	 CFLAGS="-g"
-	 cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -2962,42 +3195,17 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_g=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
    ac_c_werror_flag=$ac_save_c_werror_flag
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_g" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
 $as_echo "$ac_cv_prog_cc_g" >&6; }
 if test "$ac_test_CFLAGS" = set; then
   CFLAGS=$ac_save_CFLAGS
@@ -3014,18 +3222,14 @@ else
     CFLAGS=
   fi
 fi
-{ $as_echo "$as_me:$LINENO: checking for $CC option to accept ISO C89" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
 $as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if test "${ac_cv_prog_cc_c89+set}" = set; then
+if ${ac_cv_prog_cc_c89+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdarg.h>
 #include <stdio.h>
@@ -3082,32 +3286,9 @@ for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \
 	-Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
 do
   CC="$ac_save_CC $ac_arg"
-  rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+  if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_prog_cc_c89=$ac_arg
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
 rm -f core conftest.err conftest.$ac_objext
   test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
@@ -3118,17 +3299,19 @@ fi
 # AC_CACHE_VAL
 case "x$ac_cv_prog_cc_c89" in
   x)
-    { $as_echo "$as_me:$LINENO: result: none needed" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 $as_echo "none needed" >&6; } ;;
   xno)
-    { $as_echo "$as_me:$LINENO: result: unsupported" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 $as_echo "unsupported" >&6; } ;;
   *)
     CC="$CC $ac_cv_prog_cc_c89"
-    { $as_echo "$as_me:$LINENO: result: $ac_cv_prog_cc_c89" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
 $as_echo "$ac_cv_prog_cc_c89" >&6; } ;;
 esac
+if test "x$ac_cv_prog_cc_c89" != xno; then :
 
+fi
 
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
@@ -3136,9 +3319,9 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-{ $as_echo "$as_me:$LINENO: checking for a sed that does not truncate output" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a sed that does not truncate output" >&5
 $as_echo_n "checking for a sed that does not truncate output... " >&6; }
-if test "${ac_cv_path_SED+set}" = set; then
+if ${ac_cv_path_SED+:} false; then :
   $as_echo_n "(cached) " >&6
 else
             ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
@@ -3146,7 +3329,7 @@ else
        ac_script="$ac_script$as_nl$ac_script"
      done
      echo "$ac_script" 2>/dev/null | sed 99q >conftest.sed
-     $as_unset ac_script || ac_script=
+     { ac_script=; unset ac_script;}
      if test -z "$SED"; then
   ac_path_SED_found=false
   # Loop through the user's path and test for each of PROGNAME-LIST
@@ -3155,7 +3338,7 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_prog in sed gsed; do
+    for ac_prog in sed gsed; do
     for ac_exec_ext in '' $ac_executable_extensions; do
       ac_path_SED="$as_dir/$ac_prog$ac_exec_ext"
       { test -f "$ac_path_SED" && $as_test_x "$ac_path_SED"; } || continue
@@ -3175,7 +3358,7 @@ case `"$ac_path_SED" --version 2>&1` in
     $as_echo '' >> "conftest.nl"
     "$ac_path_SED" -f conftest.sed < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    ac_count=`expr $ac_count + 1`
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
     if test $ac_count -gt ${ac_path_SED_max-0}; then
       # Best one so far, save it but keep looking for a better one
       ac_cv_path_SED="$ac_path_SED"
@@ -3190,19 +3373,17 @@ esac
       $ac_path_SED_found && break 3
     done
   done
-done
+  done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_SED"; then
-    { { $as_echo "$as_me:$LINENO: error: no acceptable sed could be found in \$PATH" >&5
-$as_echo "$as_me: error: no acceptable sed could be found in \$PATH" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "no acceptable sed could be found in \$PATH" "$LINENO" 5
   fi
 else
   ac_cv_path_SED=$SED
 fi
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_SED" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5
 $as_echo "$ac_cv_path_SED" >&6; }
  SED="$ac_cv_path_SED"
   rm -f conftest.sed
@@ -3220,9 +3401,9 @@ Xsed="$SED -e 1s/^X//"
 
 
 
-{ $as_echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
 $as_echo_n "checking for grep that handles long lines and -e... " >&6; }
-if test "${ac_cv_path_GREP+set}" = set; then
+if ${ac_cv_path_GREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -z "$GREP"; then
@@ -3233,7 +3414,7 @@ for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_prog in grep ggrep; do
+    for ac_prog in grep ggrep; do
     for ac_exec_ext in '' $ac_executable_extensions; do
       ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
       { test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
@@ -3253,7 +3434,7 @@ case `"$ac_path_GREP" --version 2>&1` in
     $as_echo 'GREP' >> "conftest.nl"
     "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    ac_count=`expr $ac_count + 1`
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
     if test $ac_count -gt ${ac_path_GREP_max-0}; then
       # Best one so far, save it but keep looking for a better one
       ac_cv_path_GREP="$ac_path_GREP"
@@ -3268,26 +3449,24 @@ esac
       $ac_path_GREP_found && break 3
     done
   done
-done
+  done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_GREP"; then
-    { { $as_echo "$as_me:$LINENO: error: no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
-$as_echo "$as_me: error: no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
   ac_cv_path_GREP=$GREP
 fi
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
 $as_echo "$ac_cv_path_GREP" >&6; }
  GREP="$ac_cv_path_GREP"
 
 
-{ $as_echo "$as_me:$LINENO: checking for egrep" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
 $as_echo_n "checking for egrep... " >&6; }
-if test "${ac_cv_path_EGREP+set}" = set; then
+if ${ac_cv_path_EGREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
@@ -3301,7 +3480,7 @@ for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_prog in egrep; do
+    for ac_prog in egrep; do
     for ac_exec_ext in '' $ac_executable_extensions; do
       ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
       { test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
@@ -3321,7 +3500,7 @@ case `"$ac_path_EGREP" --version 2>&1` in
     $as_echo 'EGREP' >> "conftest.nl"
     "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    ac_count=`expr $ac_count + 1`
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
     if test $ac_count -gt ${ac_path_EGREP_max-0}; then
       # Best one so far, save it but keep looking for a better one
       ac_cv_path_EGREP="$ac_path_EGREP"
@@ -3336,12 +3515,10 @@ esac
       $ac_path_EGREP_found && break 3
     done
   done
-done
+  done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_EGREP"; then
-    { { $as_echo "$as_me:$LINENO: error: no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
-$as_echo "$as_me: error: no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
   ac_cv_path_EGREP=$EGREP
@@ -3349,14 +3526,14 @@ fi
 
    fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
 $as_echo "$ac_cv_path_EGREP" >&6; }
  EGREP="$ac_cv_path_EGREP"
 
 
-{ $as_echo "$as_me:$LINENO: checking for fgrep" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5
 $as_echo_n "checking for fgrep... " >&6; }
-if test "${ac_cv_path_FGREP+set}" = set; then
+if ${ac_cv_path_FGREP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1
@@ -3370,7 +3547,7 @@ for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_prog in fgrep; do
+    for ac_prog in fgrep; do
     for ac_exec_ext in '' $ac_executable_extensions; do
       ac_path_FGREP="$as_dir/$ac_prog$ac_exec_ext"
       { test -f "$ac_path_FGREP" && $as_test_x "$ac_path_FGREP"; } || continue
@@ -3390,7 +3567,7 @@ case `"$ac_path_FGREP" --version 2>&1` in
     $as_echo 'FGREP' >> "conftest.nl"
     "$ac_path_FGREP" FGREP < "conftest.nl" >"conftest.out" 2>/dev/null || break
     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
-    ac_count=`expr $ac_count + 1`
+    as_fn_arith $ac_count + 1 && ac_count=$as_val
     if test $ac_count -gt ${ac_path_FGREP_max-0}; then
       # Best one so far, save it but keep looking for a better one
       ac_cv_path_FGREP="$ac_path_FGREP"
@@ -3405,12 +3582,10 @@ esac
       $ac_path_FGREP_found && break 3
     done
   done
-done
+  done
 IFS=$as_save_IFS
   if test -z "$ac_cv_path_FGREP"; then
-    { { $as_echo "$as_me:$LINENO: error: no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
-$as_echo "$as_me: error: no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "no acceptable fgrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
   fi
 else
   ac_cv_path_FGREP=$FGREP
@@ -3418,7 +3593,7 @@ fi
 
    fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_path_FGREP" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5
 $as_echo "$ac_cv_path_FGREP" >&6; }
  FGREP="$ac_cv_path_FGREP"
 
@@ -3444,7 +3619,7 @@ test -z "$GREP" && GREP=grep
 
 
 # Check whether --with-gnu-ld was given.
-if test "${with_gnu_ld+set}" = set; then
+if test "${with_gnu_ld+set}" = set; then :
   withval=$with_gnu_ld; test "$withval" = no || with_gnu_ld=yes
 else
   with_gnu_ld=no
@@ -3453,7 +3628,7 @@ fi
 ac_prog=ld
 if test "$GCC" = yes; then
   # Check if gcc -print-prog-name=ld gives a path.
-  { $as_echo "$as_me:$LINENO: checking for ld used by $CC" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld used by $CC" >&5
 $as_echo_n "checking for ld used by $CC... " >&6; }
   case $host in
   *-*-mingw*)
@@ -3483,13 +3658,13 @@ $as_echo_n "checking for ld used by $CC... " >&6; }
     ;;
   esac
 elif test "$with_gnu_ld" = yes; then
-  { $as_echo "$as_me:$LINENO: checking for GNU ld" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU ld" >&5
 $as_echo_n "checking for GNU ld... " >&6; }
 else
-  { $as_echo "$as_me:$LINENO: checking for non-GNU ld" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for non-GNU ld" >&5
 $as_echo_n "checking for non-GNU ld... " >&6; }
 fi
-if test "${lt_cv_path_LD+set}" = set; then
+if ${lt_cv_path_LD+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -z "$LD"; then
@@ -3520,18 +3695,16 @@ fi
 
 LD="$lt_cv_path_LD"
 if test -n "$LD"; then
-  { $as_echo "$as_me:$LINENO: result: $LD" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5
 $as_echo "$LD" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
-test -z "$LD" && { { $as_echo "$as_me:$LINENO: error: no acceptable ld found in \$PATH" >&5
-$as_echo "$as_me: error: no acceptable ld found in \$PATH" >&2;}
-   { (exit 1); exit 1; }; }
-{ $as_echo "$as_me:$LINENO: checking if the linker ($LD) is GNU ld" >&5
+test -z "$LD" && as_fn_error $? "no acceptable ld found in \$PATH" "$LINENO" 5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the linker ($LD) is GNU ld" >&5
 $as_echo_n "checking if the linker ($LD) is GNU ld... " >&6; }
-if test "${lt_cv_prog_gnu_ld+set}" = set; then
+if ${lt_cv_prog_gnu_ld+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   # I'd rather use --version here, but apparently some GNU lds only accept -v.
@@ -3544,7 +3717,7 @@ case `$LD -v 2>&1 </dev/null` in
   ;;
 esac
 fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_gnu_ld" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5
 $as_echo "$lt_cv_prog_gnu_ld" >&6; }
 with_gnu_ld=$lt_cv_prog_gnu_ld
 
@@ -3556,9 +3729,9 @@ with_gnu_ld=$lt_cv_prog_gnu_ld
 
 
 
-{ $as_echo "$as_me:$LINENO: checking for BSD- or MS-compatible name lister (nm)" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for BSD- or MS-compatible name lister (nm)" >&5
 $as_echo_n "checking for BSD- or MS-compatible name lister (nm)... " >&6; }
-if test "${lt_cv_path_NM+set}" = set; then
+if ${lt_cv_path_NM+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$NM"; then
@@ -3605,7 +3778,7 @@ else
   : ${lt_cv_path_NM=no}
 fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_path_NM" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5
 $as_echo "$lt_cv_path_NM" >&6; }
 if test "$lt_cv_path_NM" != "no"; then
   NM="$lt_cv_path_NM"
@@ -3616,9 +3789,9 @@ else
   do
     # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args.
 set dummy $ac_tool_prefix$ac_prog; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_DUMPBIN+set}" = set; then
+if ${ac_cv_prog_DUMPBIN+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$DUMPBIN"; then
@@ -3629,24 +3802,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_DUMPBIN="$ac_tool_prefix$ac_prog"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 DUMPBIN=$ac_cv_prog_DUMPBIN
 if test -n "$DUMPBIN"; then
-  { $as_echo "$as_me:$LINENO: result: $DUMPBIN" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DUMPBIN" >&5
 $as_echo "$DUMPBIN" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -3660,9 +3833,9 @@ if test -z "$DUMPBIN"; then
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_DUMPBIN+set}" = set; then
+if ${ac_cv_prog_ac_ct_DUMPBIN+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_DUMPBIN"; then
@@ -3673,24 +3846,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_DUMPBIN="$ac_prog"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN
 if test -n "$ac_ct_DUMPBIN"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_DUMPBIN" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DUMPBIN" >&5
 $as_echo "$ac_ct_DUMPBIN" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -3703,12 +3876,8 @@ done
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     DUMPBIN=$ac_ct_DUMPBIN
@@ -3727,44 +3896,44 @@ test -z "$NM" && NM=nm
 
 
 
-{ $as_echo "$as_me:$LINENO: checking the name lister ($NM) interface" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the name lister ($NM) interface" >&5
 $as_echo_n "checking the name lister ($NM) interface... " >&6; }
-if test "${lt_cv_nm_interface+set}" = set; then
+if ${lt_cv_nm_interface+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   lt_cv_nm_interface="BSD nm"
   echo "int some_variable = 0;" > conftest.$ac_ext
-  (eval echo "\"\$as_me:3737: $ac_compile\"" >&5)
+  (eval echo "\"\$as_me:3906: $ac_compile\"" >&5)
   (eval "$ac_compile" 2>conftest.err)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:3740: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+  (eval echo "\"\$as_me:3909: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
   (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:3743: output\"" >&5)
+  (eval echo "\"\$as_me:3912: output\"" >&5)
   cat conftest.out >&5
   if $GREP 'External.*some_variable' conftest.out > /dev/null; then
     lt_cv_nm_interface="MS dumpbin"
   fi
   rm -f conftest*
 fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_nm_interface" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5
 $as_echo "$lt_cv_nm_interface" >&6; }
 
-{ $as_echo "$as_me:$LINENO: checking whether ln -s works" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5
 $as_echo_n "checking whether ln -s works... " >&6; }
 LN_S=$as_ln_s
 if test "$LN_S" = "ln -s"; then
-  { $as_echo "$as_me:$LINENO: result: yes" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no, using $LN_S" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5
 $as_echo "no, using $LN_S" >&6; }
 fi
 
 # find the maximum length of command line arguments
-{ $as_echo "$as_me:$LINENO: checking the maximum length of command line arguments" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking the maximum length of command line arguments" >&5
 $as_echo_n "checking the maximum length of command line arguments... " >&6; }
-if test "${lt_cv_sys_max_cmd_len+set}" = set; then
+if ${lt_cv_sys_max_cmd_len+:} false; then :
   $as_echo_n "(cached) " >&6
 else
     i=0
@@ -3882,10 +4051,10 @@ else
 fi
 
 if test -n $lt_cv_sys_max_cmd_len ; then
-  { $as_echo "$as_me:$LINENO: result: $lt_cv_sys_max_cmd_len" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sys_max_cmd_len" >&5
 $as_echo "$lt_cv_sys_max_cmd_len" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: none" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5
 $as_echo "none" >&6; }
 fi
 max_cmd_len=$lt_cv_sys_max_cmd_len
@@ -3899,7 +4068,7 @@ max_cmd_len=$lt_cv_sys_max_cmd_len
 : ${MV="mv -f"}
 : ${RM="rm -f"}
 
-{ $as_echo "$as_me:$LINENO: checking whether the shell understands some XSI constructs" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands some XSI constructs" >&5
 $as_echo_n "checking whether the shell understands some XSI constructs... " >&6; }
 # Try some XSI features
 xsi_shell=no
@@ -3909,17 +4078,17 @@ xsi_shell=no
     && eval 'test $(( 1 + 1 )) -eq 2 \
     && test "${#_lt_dummy}" -eq 5' ) >/dev/null 2>&1 \
   && xsi_shell=yes
-{ $as_echo "$as_me:$LINENO: result: $xsi_shell" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $xsi_shell" >&5
 $as_echo "$xsi_shell" >&6; }
 
 
-{ $as_echo "$as_me:$LINENO: checking whether the shell understands \"+=\"" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the shell understands \"+=\"" >&5
 $as_echo_n "checking whether the shell understands \"+=\"... " >&6; }
 lt_shell_append=no
 ( foo=bar; set foo baz; eval "$1+=\$2" && test "$foo" = barbaz ) \
     >/dev/null 2>&1 \
   && lt_shell_append=yes
-{ $as_echo "$as_me:$LINENO: result: $lt_shell_append" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_shell_append" >&5
 $as_echo "$lt_shell_append" >&6; }
 
 
@@ -3954,14 +4123,14 @@ esac
 
 
 
-{ $as_echo "$as_me:$LINENO: checking for $LD option to reload object files" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $LD option to reload object files" >&5
 $as_echo_n "checking for $LD option to reload object files... " >&6; }
-if test "${lt_cv_ld_reload_flag+set}" = set; then
+if ${lt_cv_ld_reload_flag+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   lt_cv_ld_reload_flag='-r'
 fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_ld_reload_flag" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5
 $as_echo "$lt_cv_ld_reload_flag" >&6; }
 reload_flag=$lt_cv_ld_reload_flag
 case $reload_flag in
@@ -3990,9 +4159,9 @@ esac
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}objdump", so it can be a program name with args.
 set dummy ${ac_tool_prefix}objdump; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_OBJDUMP+set}" = set; then
+if ${ac_cv_prog_OBJDUMP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$OBJDUMP"; then
@@ -4003,24 +4172,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_OBJDUMP="${ac_tool_prefix}objdump"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 OBJDUMP=$ac_cv_prog_OBJDUMP
 if test -n "$OBJDUMP"; then
-  { $as_echo "$as_me:$LINENO: result: $OBJDUMP" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OBJDUMP" >&5
 $as_echo "$OBJDUMP" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -4030,9 +4199,9 @@ if test -z "$ac_cv_prog_OBJDUMP"; then
   ac_ct_OBJDUMP=$OBJDUMP
   # Extract the first word of "objdump", so it can be a program name with args.
 set dummy objdump; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_OBJDUMP+set}" = set; then
+if ${ac_cv_prog_ac_ct_OBJDUMP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_OBJDUMP"; then
@@ -4043,24 +4212,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_OBJDUMP="objdump"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP
 if test -n "$ac_ct_OBJDUMP"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_OBJDUMP" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OBJDUMP" >&5
 $as_echo "$ac_ct_OBJDUMP" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -4069,12 +4238,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     OBJDUMP=$ac_ct_OBJDUMP
@@ -4093,9 +4258,9 @@ test -z "$OBJDUMP" && OBJDUMP=objdump
 
 
 
-{ $as_echo "$as_me:$LINENO: checking how to recognize dependent libraries" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to recognize dependent libraries" >&5
 $as_echo_n "checking how to recognize dependent libraries... " >&6; }
-if test "${lt_cv_deplibs_check_method+set}" = set; then
+if ${lt_cv_deplibs_check_method+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   lt_cv_file_magic_cmd='$MAGIC_CMD'
@@ -4289,7 +4454,7 @@ tpf*)
 esac
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_deplibs_check_method" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5
 $as_echo "$lt_cv_deplibs_check_method" >&6; }
 file_magic_cmd=$lt_cv_file_magic_cmd
 deplibs_check_method=$lt_cv_deplibs_check_method
@@ -4309,9 +4474,9 @@ test -z "$deplibs_check_method" && deplibs_check_method=unknown
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ar", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ar; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_AR+set}" = set; then
+if ${ac_cv_prog_AR+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$AR"; then
@@ -4322,24 +4487,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_AR="${ac_tool_prefix}ar"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 AR=$ac_cv_prog_AR
 if test -n "$AR"; then
-  { $as_echo "$as_me:$LINENO: result: $AR" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AR" >&5
 $as_echo "$AR" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -4349,9 +4514,9 @@ if test -z "$ac_cv_prog_AR"; then
   ac_ct_AR=$AR
   # Extract the first word of "ar", so it can be a program name with args.
 set dummy ar; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_AR+set}" = set; then
+if ${ac_cv_prog_ac_ct_AR+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_AR"; then
@@ -4362,24 +4527,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_AR="ar"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_AR=$ac_cv_prog_ac_ct_AR
 if test -n "$ac_ct_AR"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_AR" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_AR" >&5
 $as_echo "$ac_ct_AR" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -4388,12 +4553,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     AR=$ac_ct_AR
@@ -4418,9 +4579,9 @@ test -z "$AR_FLAGS" && AR_FLAGS=cru
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args.
 set dummy ${ac_tool_prefix}strip; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_STRIP+set}" = set; then
+if ${ac_cv_prog_STRIP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$STRIP"; then
@@ -4431,24 +4592,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_STRIP="${ac_tool_prefix}strip"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 STRIP=$ac_cv_prog_STRIP
 if test -n "$STRIP"; then
-  { $as_echo "$as_me:$LINENO: result: $STRIP" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5
 $as_echo "$STRIP" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -4458,9 +4619,9 @@ if test -z "$ac_cv_prog_STRIP"; then
   ac_ct_STRIP=$STRIP
   # Extract the first word of "strip", so it can be a program name with args.
 set dummy strip; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_STRIP+set}" = set; then
+if ${ac_cv_prog_ac_ct_STRIP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_STRIP"; then
@@ -4471,24 +4632,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_STRIP="strip"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
 if test -n "$ac_ct_STRIP"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_STRIP" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5
 $as_echo "$ac_ct_STRIP" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -4497,12 +4658,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     STRIP=$ac_ct_STRIP
@@ -4521,9 +4678,9 @@ test -z "$STRIP" && STRIP=:
 if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
 set dummy ${ac_tool_prefix}ranlib; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_RANLIB+set}" = set; then
+if ${ac_cv_prog_RANLIB+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$RANLIB"; then
@@ -4534,24 +4691,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 RANLIB=$ac_cv_prog_RANLIB
 if test -n "$RANLIB"; then
-  { $as_echo "$as_me:$LINENO: result: $RANLIB" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
 $as_echo "$RANLIB" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -4561,9 +4718,9 @@ if test -z "$ac_cv_prog_RANLIB"; then
   ac_ct_RANLIB=$RANLIB
   # Extract the first word of "ranlib", so it can be a program name with args.
 set dummy ranlib; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then
+if ${ac_cv_prog_ac_ct_RANLIB+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_RANLIB"; then
@@ -4574,24 +4731,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_RANLIB="ranlib"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
 if test -n "$ac_ct_RANLIB"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_RANLIB" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
 $as_echo "$ac_ct_RANLIB" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -4600,12 +4757,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     RANLIB=$ac_ct_RANLIB
@@ -4682,9 +4835,9 @@ compiler=$CC
 
 
 # Check for command to grab the raw symbol name followed by C symbol from nm.
-{ $as_echo "$as_me:$LINENO: checking command to parse $NM output from $compiler object" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking command to parse $NM output from $compiler object" >&5
 $as_echo_n "checking command to parse $NM output from $compiler object... " >&6; }
-if test "${lt_cv_sys_global_symbol_pipe+set}" = set; then
+if ${lt_cv_sys_global_symbol_pipe+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -4800,18 +4953,18 @@ void nm_test_func(void){}
 int main(){nm_test_var='a';nm_test_func();return(0);}
 _LT_EOF
 
-  if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
     # Now try to grab the symbols.
     nlist=conftest.nm
-    if { (eval echo "$as_me:$LINENO: \"$NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist\"") >&5
+    if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist\""; } >&5
   (eval $NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && test -s "$nlist"; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && test -s "$nlist"; then
       # Try sorting and uniquifying the output.
       if sort "$nlist" | uniq > "$nlist"T; then
 	mv -f "$nlist"T "$nlist"
@@ -4864,11 +5017,11 @@ _LT_EOF
 	  lt_save_CFLAGS="$CFLAGS"
 	  LIBS="conftstm.$ac_objext"
 	  CFLAGS="$CFLAGS$lt_prog_compiler_no_builtin_flag"
-	  if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+	  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && test -s conftest${ac_exeext}; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && test -s conftest${ac_exeext}; then
 	    pipe_works=yes
 	  fi
 	  LIBS="$lt_save_LIBS"
@@ -4902,10 +5055,10 @@ if test -z "$lt_cv_sys_global_symbol_pipe"; then
   lt_cv_sys_global_symbol_to_cdecl=
 fi
 if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
-  { $as_echo "$as_me:$LINENO: result: failed" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: failed" >&5
 $as_echo "failed" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: ok" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: ok" >&5
 $as_echo "ok" >&6; }
 fi
 
@@ -4932,7 +5085,7 @@ fi
 
 
 # Check whether --enable-libtool-lock was given.
-if test "${enable_libtool_lock+set}" = set; then
+if test "${enable_libtool_lock+set}" = set; then :
   enableval=$enable_libtool_lock;
 fi
 
@@ -4944,11 +5097,11 @@ case $host in
 ia64-*-hpux*)
   # Find out which ABI we are using.
   echo 'int i;' > conftest.$ac_ext
-  if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
     case `/usr/bin/file conftest.$ac_objext` in
       *ELF-32*)
 	HPUX_IA64_MODE="32"
@@ -4962,12 +5115,12 @@ ia64-*-hpux*)
   ;;
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 4965 "configure"' > conftest.$ac_ext
-  if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  echo '#line 5118 "configure"' > conftest.$ac_ext
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
     if test "$lt_cv_prog_gnu_ld" = yes; then
       case `/usr/bin/file conftest.$ac_objext` in
 	*32-bit*)
@@ -5001,11 +5154,11 @@ x86_64-*kfreebsd*-gnu|x86_64-*linux*|ppc*-*linux*|powerpc*-*linux*| \
 s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
   # Find out which ABI we are using.
   echo 'int i;' > conftest.$ac_ext
-  if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
     case `/usr/bin/file conftest.o` in
       *32-bit*)
 	case $host in
@@ -5054,9 +5207,9 @@ s390*-*linux*|s390*-*tpf*|sparc*-*linux*)
   # On SCO OpenServer 5, we need -belf to get full-featured binaries.
   SAVE_CFLAGS="$CFLAGS"
   CFLAGS="$CFLAGS -belf"
-  { $as_echo "$as_me:$LINENO: checking whether the C compiler needs -belf" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler needs -belf" >&5
 $as_echo_n "checking whether the C compiler needs -belf... " >&6; }
-if test "${lt_cv_cc_needs_belf+set}" = set; then
+if ${lt_cv_cc_needs_belf+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_ext=c
@@ -5065,11 +5218,7 @@ ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
-     cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+     cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -5080,38 +5229,13 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   lt_cv_cc_needs_belf=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	lt_cv_cc_needs_belf=no
+  lt_cv_cc_needs_belf=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
      ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -5119,7 +5243,7 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_cc_needs_belf" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5
 $as_echo "$lt_cv_cc_needs_belf" >&6; }
   if test x"$lt_cv_cc_needs_belf" != x"yes"; then
     # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
@@ -5129,11 +5253,11 @@ $as_echo "$lt_cv_cc_needs_belf" >&6; }
 sparc*-*solaris*)
   # Find out which ABI we are using.
   echo 'int i;' > conftest.$ac_ext
-  if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
     case `/usr/bin/file conftest.o` in
     *64-bit*)
       case $lt_cv_prog_gnu_ld in
@@ -5159,9 +5283,9 @@ need_locks="$enable_libtool_lock"
     if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}dsymutil", so it can be a program name with args.
 set dummy ${ac_tool_prefix}dsymutil; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_DSYMUTIL+set}" = set; then
+if ${ac_cv_prog_DSYMUTIL+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$DSYMUTIL"; then
@@ -5172,24 +5296,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_DSYMUTIL="${ac_tool_prefix}dsymutil"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 DSYMUTIL=$ac_cv_prog_DSYMUTIL
 if test -n "$DSYMUTIL"; then
-  { $as_echo "$as_me:$LINENO: result: $DSYMUTIL" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DSYMUTIL" >&5
 $as_echo "$DSYMUTIL" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -5199,9 +5323,9 @@ if test -z "$ac_cv_prog_DSYMUTIL"; then
   ac_ct_DSYMUTIL=$DSYMUTIL
   # Extract the first word of "dsymutil", so it can be a program name with args.
 set dummy dsymutil; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_DSYMUTIL+set}" = set; then
+if ${ac_cv_prog_ac_ct_DSYMUTIL+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_DSYMUTIL"; then
@@ -5212,24 +5336,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_DSYMUTIL="dsymutil"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL
 if test -n "$ac_ct_DSYMUTIL"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_DSYMUTIL" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_DSYMUTIL" >&5
 $as_echo "$ac_ct_DSYMUTIL" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -5238,12 +5362,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     DSYMUTIL=$ac_ct_DSYMUTIL
@@ -5255,9 +5375,9 @@ fi
     if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}nmedit", so it can be a program name with args.
 set dummy ${ac_tool_prefix}nmedit; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_NMEDIT+set}" = set; then
+if ${ac_cv_prog_NMEDIT+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$NMEDIT"; then
@@ -5268,24 +5388,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_NMEDIT="${ac_tool_prefix}nmedit"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 NMEDIT=$ac_cv_prog_NMEDIT
 if test -n "$NMEDIT"; then
-  { $as_echo "$as_me:$LINENO: result: $NMEDIT" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $NMEDIT" >&5
 $as_echo "$NMEDIT" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -5295,9 +5415,9 @@ if test -z "$ac_cv_prog_NMEDIT"; then
   ac_ct_NMEDIT=$NMEDIT
   # Extract the first word of "nmedit", so it can be a program name with args.
 set dummy nmedit; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_NMEDIT+set}" = set; then
+if ${ac_cv_prog_ac_ct_NMEDIT+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_NMEDIT"; then
@@ -5308,24 +5428,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_NMEDIT="nmedit"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT
 if test -n "$ac_ct_NMEDIT"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_NMEDIT" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_NMEDIT" >&5
 $as_echo "$ac_ct_NMEDIT" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -5334,12 +5454,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     NMEDIT=$ac_ct_NMEDIT
@@ -5351,9 +5467,9 @@ fi
     if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}lipo", so it can be a program name with args.
 set dummy ${ac_tool_prefix}lipo; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_LIPO+set}" = set; then
+if ${ac_cv_prog_LIPO+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$LIPO"; then
@@ -5364,24 +5480,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_LIPO="${ac_tool_prefix}lipo"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 LIPO=$ac_cv_prog_LIPO
 if test -n "$LIPO"; then
-  { $as_echo "$as_me:$LINENO: result: $LIPO" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LIPO" >&5
 $as_echo "$LIPO" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -5391,9 +5507,9 @@ if test -z "$ac_cv_prog_LIPO"; then
   ac_ct_LIPO=$LIPO
   # Extract the first word of "lipo", so it can be a program name with args.
 set dummy lipo; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_LIPO+set}" = set; then
+if ${ac_cv_prog_ac_ct_LIPO+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_LIPO"; then
@@ -5404,24 +5520,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_LIPO="lipo"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO
 if test -n "$ac_ct_LIPO"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_LIPO" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_LIPO" >&5
 $as_echo "$ac_ct_LIPO" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -5430,12 +5546,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     LIPO=$ac_ct_LIPO
@@ -5447,9 +5559,9 @@ fi
     if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}otool", so it can be a program name with args.
 set dummy ${ac_tool_prefix}otool; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_OTOOL+set}" = set; then
+if ${ac_cv_prog_OTOOL+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$OTOOL"; then
@@ -5460,24 +5572,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_OTOOL="${ac_tool_prefix}otool"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 OTOOL=$ac_cv_prog_OTOOL
 if test -n "$OTOOL"; then
-  { $as_echo "$as_me:$LINENO: result: $OTOOL" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL" >&5
 $as_echo "$OTOOL" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -5487,9 +5599,9 @@ if test -z "$ac_cv_prog_OTOOL"; then
   ac_ct_OTOOL=$OTOOL
   # Extract the first word of "otool", so it can be a program name with args.
 set dummy otool; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_OTOOL+set}" = set; then
+if ${ac_cv_prog_ac_ct_OTOOL+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_OTOOL"; then
@@ -5500,24 +5612,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_OTOOL="otool"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL
 if test -n "$ac_ct_OTOOL"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_OTOOL" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL" >&5
 $as_echo "$ac_ct_OTOOL" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -5526,12 +5638,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     OTOOL=$ac_ct_OTOOL
@@ -5543,9 +5651,9 @@ fi
     if test -n "$ac_tool_prefix"; then
   # Extract the first word of "${ac_tool_prefix}otool64", so it can be a program name with args.
 set dummy ${ac_tool_prefix}otool64; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_OTOOL64+set}" = set; then
+if ${ac_cv_prog_OTOOL64+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$OTOOL64"; then
@@ -5556,24 +5664,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_OTOOL64="${ac_tool_prefix}otool64"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 OTOOL64=$ac_cv_prog_OTOOL64
 if test -n "$OTOOL64"; then
-  { $as_echo "$as_me:$LINENO: result: $OTOOL64" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $OTOOL64" >&5
 $as_echo "$OTOOL64" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -5583,9 +5691,9 @@ if test -z "$ac_cv_prog_OTOOL64"; then
   ac_ct_OTOOL64=$OTOOL64
   # Extract the first word of "otool64", so it can be a program name with args.
 set dummy otool64; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_OTOOL64+set}" = set; then
+if ${ac_cv_prog_ac_ct_OTOOL64+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$ac_ct_OTOOL64"; then
@@ -5596,24 +5704,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_ac_ct_OTOOL64="otool64"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64
 if test -n "$ac_ct_OTOOL64"; then
-  { $as_echo "$as_me:$LINENO: result: $ac_ct_OTOOL64" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_OTOOL64" >&5
 $as_echo "$ac_ct_OTOOL64" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -5622,12 +5730,8 @@ fi
   else
     case $cross_compiling:$ac_tool_warned in
 yes:)
-{ $as_echo "$as_me:$LINENO: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&5
-$as_echo "$as_me: WARNING: In the future, Autoconf will not detect cross-tools
-whose name does not start with the host triplet.  If you think this
-configuration is useful to you, please write to autoconf@gnu.org." >&2;}
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
 ac_tool_warned=yes ;;
 esac
     OTOOL64=$ac_ct_OTOOL64
@@ -5662,9 +5766,9 @@ fi
 
 
 
-    { $as_echo "$as_me:$LINENO: checking for -single_module linker flag" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -single_module linker flag" >&5
 $as_echo_n "checking for -single_module linker flag... " >&6; }
-if test "${lt_cv_apple_cc_single_mod+set}" = set; then
+if ${lt_cv_apple_cc_single_mod+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   lt_cv_apple_cc_single_mod=no
@@ -5689,22 +5793,18 @@ else
 	rm -f conftest.*
       fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_apple_cc_single_mod" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5
 $as_echo "$lt_cv_apple_cc_single_mod" >&6; }
-    { $as_echo "$as_me:$LINENO: checking for -exported_symbols_list linker flag" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -exported_symbols_list linker flag" >&5
 $as_echo_n "checking for -exported_symbols_list linker flag... " >&6; }
-if test "${lt_cv_ld_exported_symbols_list+set}" = set; then
+if ${lt_cv_ld_exported_symbols_list+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   lt_cv_ld_exported_symbols_list=no
       save_LDFLAGS=$LDFLAGS
       echo "_main" > conftest.sym
       LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
-      cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -5715,42 +5815,17 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   lt_cv_ld_exported_symbols_list=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	lt_cv_ld_exported_symbols_list=no
+  lt_cv_ld_exported_symbols_list=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 	LDFLAGS="$save_LDFLAGS"
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_ld_exported_symbols_list" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5
 $as_echo "$lt_cv_ld_exported_symbols_list" >&6; }
     case $host_os in
     rhapsody* | darwin1.[012])
@@ -5792,14 +5867,14 @@ ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
-{ $as_echo "$as_me:$LINENO: checking how to run the C preprocessor" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
 $as_echo_n "checking how to run the C preprocessor... " >&6; }
 # On Suns, sometimes $CPP names a directory.
 if test -n "$CPP" && test -d "$CPP"; then
   CPP=
 fi
 if test -z "$CPP"; then
-  if test "${ac_cv_prog_CPP+set}" = set; then
+  if ${ac_cv_prog_CPP+:} false; then :
   $as_echo_n "(cached) " >&6
 else
       # Double quotes because CPP needs to be expanded
@@ -5814,11 +5889,7 @@ do
   # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifdef __STDC__
 # include <limits.h>
@@ -5827,78 +5898,34 @@ cat >>conftest.$ac_ext <<_ACEOF
 #endif
 		     Syntax error
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_cpp "$LINENO"; then :
 
+else
   # Broken: fails on valid input.
 continue
 fi
-
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
+if ac_fn_c_try_cpp "$LINENO"; then :
   # Broken: success on invalid input.
 continue
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
-
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then :
   break
 fi
 
@@ -5910,7 +5937,7 @@ fi
 else
   ac_cv_prog_CPP=$CPP
 fi
-{ $as_echo "$as_me:$LINENO: result: $CPP" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
 $as_echo "$CPP" >&6; }
 ac_preproc_ok=false
 for ac_c_preproc_warn_flag in '' yes
@@ -5921,11 +5948,7 @@ do
   # <limits.h> exists even on freestanding compilers.
   # On the NeXT, cc -E runs the code through the compiler's parser,
   # not just through cpp. "Syntax error" is here to catch this case.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifdef __STDC__
 # include <limits.h>
@@ -5934,85 +5957,40 @@ cat >>conftest.$ac_ext <<_ACEOF
 #endif
 		     Syntax error
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
+if ac_fn_c_try_cpp "$LINENO"; then :
 
+else
   # Broken: fails on valid input.
 continue
 fi
-
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
   # OK, works on sane cases.  Now check whether nonexistent headers
   # can be detected and how.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ac_nonexistent.h>
 _ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
+if ac_fn_c_try_cpp "$LINENO"; then :
   # Broken: success on invalid input.
 continue
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
   # Passes both tests.
 ac_preproc_ok=:
 break
 fi
-
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
 
 done
 # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
-if $ac_preproc_ok; then
-  :
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok; then :
+
 else
-  { { $as_echo "$as_me:$LINENO: error: C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." >&5
-$as_echo "$as_me: error: C preprocessor \"$CPP\" fails sanity check
-See \`config.log' for more details." >&2;}
-   { (exit 1); exit 1; }; }
+  { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 
 ac_ext=c
@@ -6022,16 +6000,12 @@ ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
-{ $as_echo "$as_me:$LINENO: checking for ANSI C header files" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5
 $as_echo_n "checking for ANSI C header files... " >&6; }
-if test "${ac_cv_header_stdc+set}" = set; then
+if ${ac_cv_header_stdc+:} false; then :
   $as_echo_n "(cached) " >&6
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 #include <stdarg.h>
@@ -6046,48 +6020,23 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_header_stdc=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_header_stdc=no
+  ac_cv_header_stdc=no
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
 if test $ac_cv_header_stdc = yes; then
   # SunOS 4.x string.h does not declare mem*, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <string.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "memchr" >/dev/null 2>&1; then
-  :
+  $EGREP "memchr" >/dev/null 2>&1; then :
+
 else
   ac_cv_header_stdc=no
 fi
@@ -6097,18 +6046,14 @@ fi
 
 if test $ac_cv_header_stdc = yes; then
   # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI.
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdlib.h>
 
 _ACEOF
 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
-  $EGREP "free" >/dev/null 2>&1; then
-  :
+  $EGREP "free" >/dev/null 2>&1; then :
+
 else
   ac_cv_header_stdc=no
 fi
@@ -6118,14 +6063,10 @@ fi
 
 if test $ac_cv_header_stdc = yes; then
   # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi.
-  if test "$cross_compiling" = yes; then
+  if test "$cross_compiling" = yes; then :
   :
 else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <ctype.h>
 #include <stdlib.h>
@@ -6152,117 +6093,33 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && { ac_try='./conftest$ac_exeext'
-  { (case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_try") 2>&5
-  ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }; }; then
-  :
+if ac_fn_c_try_run "$LINENO"; then :
+
 else
-  $as_echo "$as_me: program exited with status $ac_status" >&5
-$as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-( exit $ac_status )
-ac_cv_header_stdc=no
+  ac_cv_header_stdc=no
 fi
-rm -rf conftest.dSYM
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
-
 fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_stdc" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5
 $as_echo "$ac_cv_header_stdc" >&6; }
 if test $ac_cv_header_stdc = yes; then
 
-cat >>confdefs.h <<\_ACEOF
-#define STDC_HEADERS 1
-_ACEOF
+$as_echo "#define STDC_HEADERS 1" >>confdefs.h
 
 fi
 
 # On IRIX 5.3, sys/types and inttypes.h are conflicting.
-
-
-
-
-
-
-
-
-
 for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \
 		  inttypes.h stdint.h unistd.h
-do
-as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  eval "$as_ac_Header=yes"
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	eval "$as_ac_Header=no"
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-if test `eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'` = yes; then
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default
+"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -6272,61 +6129,13 @@ fi
 done
 
 
-
 for ac_header in dlfcn.h
-do
-as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  eval "$as_ac_Header=yes"
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	eval "$as_ac_Header=no"
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-if test `eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'` = yes; then
+do :
+  ac_fn_c_check_header_compile "$LINENO" "dlfcn.h" "ac_cv_header_dlfcn_h" "$ac_includes_default
+"
+if test "x$ac_cv_header_dlfcn_h" = xyes; then :
   cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define HAVE_DLFCN_H 1
 _ACEOF
 
 fi
@@ -6346,7 +6155,7 @@ done
 
 
             # Check whether --enable-shared was given.
-if test "${enable_shared+set}" = set; then
+if test "${enable_shared+set}" = set; then :
   enableval=$enable_shared; p=${PACKAGE-default}
     case $enableval in
     yes) enable_shared=yes ;;
@@ -6377,7 +6186,7 @@ fi
 
 
   # Check whether --enable-static was given.
-if test "${enable_static+set}" = set; then
+if test "${enable_static+set}" = set; then :
   enableval=$enable_static; p=${PACKAGE-default}
     case $enableval in
     yes) enable_static=yes ;;
@@ -6409,7 +6218,7 @@ fi
 
 
 # Check whether --with-pic was given.
-if test "${with_pic+set}" = set; then
+if test "${with_pic+set}" = set; then :
   withval=$with_pic; pic_mode="$withval"
 else
   pic_mode=default
@@ -6425,7 +6234,7 @@ test -z "$pic_mode" && pic_mode=default
 
 
   # Check whether --enable-fast-install was given.
-if test "${enable_fast_install+set}" = set; then
+if test "${enable_fast_install+set}" = set; then :
   enableval=$enable_fast_install; p=${PACKAGE-default}
     case $enableval in
     yes) enable_fast_install=yes ;;
@@ -6506,9 +6315,9 @@ if test -n "${ZSH_VERSION+set}" ; then
    setopt NO_GLOB_SUBST
 fi
 
-{ $as_echo "$as_me:$LINENO: checking for objdir" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for objdir" >&5
 $as_echo_n "checking for objdir... " >&6; }
-if test "${lt_cv_objdir+set}" = set; then
+if ${lt_cv_objdir+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   rm -f .libs 2>/dev/null
@@ -6521,7 +6330,7 @@ else
 fi
 rmdir .libs 2>/dev/null
 fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_objdir" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5
 $as_echo "$lt_cv_objdir" >&6; }
 objdir=$lt_cv_objdir
 
@@ -6614,9 +6423,9 @@ test -z "$MAGIC_CMD" && MAGIC_CMD=file
 case $deplibs_check_method in
 file_magic*)
   if test "$file_magic_cmd" = '$MAGIC_CMD'; then
-    { $as_echo "$as_me:$LINENO: checking for ${ac_tool_prefix}file" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ${ac_tool_prefix}file" >&5
 $as_echo_n "checking for ${ac_tool_prefix}file... " >&6; }
-if test "${lt_cv_path_MAGIC_CMD+set}" = set; then
+if ${lt_cv_path_MAGIC_CMD+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $MAGIC_CMD in
@@ -6667,10 +6476,10 @@ fi
 
 MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
 if test -n "$MAGIC_CMD"; then
-  { $as_echo "$as_me:$LINENO: result: $MAGIC_CMD" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
 $as_echo "$MAGIC_CMD" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -6680,9 +6489,9 @@ fi
 
 if test -z "$lt_cv_path_MAGIC_CMD"; then
   if test -n "$ac_tool_prefix"; then
-    { $as_echo "$as_me:$LINENO: checking for file" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for file" >&5
 $as_echo_n "checking for file... " >&6; }
-if test "${lt_cv_path_MAGIC_CMD+set}" = set; then
+if ${lt_cv_path_MAGIC_CMD+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   case $MAGIC_CMD in
@@ -6733,10 +6542,10 @@ fi
 
 MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
 if test -n "$MAGIC_CMD"; then
-  { $as_echo "$as_me:$LINENO: result: $MAGIC_CMD" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAGIC_CMD" >&5
 $as_echo "$MAGIC_CMD" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -6813,9 +6622,9 @@ lt_prog_compiler_no_builtin_flag=
 if test "$GCC" = yes; then
   lt_prog_compiler_no_builtin_flag=' -fno-builtin'
 
-  { $as_echo "$as_me:$LINENO: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
 $as_echo_n "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; }
-if test "${lt_cv_prog_compiler_rtti_exceptions+set}" = set; then
+if ${lt_cv_prog_compiler_rtti_exceptions+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   lt_cv_prog_compiler_rtti_exceptions=no
@@ -6831,11 +6640,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:6834: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:6643: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:6838: \$? = $ac_status" >&5
+   echo "$as_me:6647: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -6848,7 +6657,7 @@ else
    $RM conftest*
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_rtti_exceptions" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5
 $as_echo "$lt_cv_prog_compiler_rtti_exceptions" >&6; }
 
 if test x"$lt_cv_prog_compiler_rtti_exceptions" = xyes; then
@@ -6868,7 +6677,7 @@ fi
 lt_prog_compiler_pic=
 lt_prog_compiler_static=
 
-{ $as_echo "$as_me:$LINENO: checking for $compiler option to produce PIC" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $compiler option to produce PIC" >&5
 $as_echo_n "checking for $compiler option to produce PIC... " >&6; }
 
   if test "$GCC" = yes; then
@@ -7140,7 +6949,7 @@ case $host_os in
     lt_prog_compiler_pic="$lt_prog_compiler_pic -DPIC"
     ;;
 esac
-{ $as_echo "$as_me:$LINENO: result: $lt_prog_compiler_pic" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_prog_compiler_pic" >&5
 $as_echo "$lt_prog_compiler_pic" >&6; }
 
 
@@ -7152,9 +6961,9 @@ $as_echo "$lt_prog_compiler_pic" >&6; }
 # Check to make sure the PIC flag actually works.
 #
 if test -n "$lt_prog_compiler_pic"; then
-  { $as_echo "$as_me:$LINENO: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler PIC flag $lt_prog_compiler_pic works" >&5
 $as_echo_n "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6; }
-if test "${lt_cv_prog_compiler_pic_works+set}" = set; then
+if ${lt_cv_prog_compiler_pic_works+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   lt_cv_prog_compiler_pic_works=no
@@ -7170,11 +6979,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7173: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:6982: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:7177: \$? = $ac_status" >&5
+   echo "$as_me:6986: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -7187,7 +6996,7 @@ else
    $RM conftest*
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_pic_works" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5
 $as_echo "$lt_cv_prog_compiler_pic_works" >&6; }
 
 if test x"$lt_cv_prog_compiler_pic_works" = xyes; then
@@ -7211,9 +7020,9 @@ fi
 # Check to make sure the static flag actually works.
 #
 wl=$lt_prog_compiler_wl eval lt_tmp_static_flag=\"$lt_prog_compiler_static\"
-{ $as_echo "$as_me:$LINENO: checking if $compiler static flag $lt_tmp_static_flag works" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler static flag $lt_tmp_static_flag works" >&5
 $as_echo_n "checking if $compiler static flag $lt_tmp_static_flag works... " >&6; }
-if test "${lt_cv_prog_compiler_static_works+set}" = set; then
+if ${lt_cv_prog_compiler_static_works+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   lt_cv_prog_compiler_static_works=no
@@ -7239,7 +7048,7 @@ else
    LDFLAGS="$save_LDFLAGS"
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_static_works" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5
 $as_echo "$lt_cv_prog_compiler_static_works" >&6; }
 
 if test x"$lt_cv_prog_compiler_static_works" = xyes; then
@@ -7254,9 +7063,9 @@ fi
 
 
 
-  { $as_echo "$as_me:$LINENO: checking if $compiler supports -c -o file.$ac_objext" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
 $as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
-if test "${lt_cv_prog_compiler_c_o+set}" = set; then
+if ${lt_cv_prog_compiler_c_o+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   lt_cv_prog_compiler_c_o=no
@@ -7275,11 +7084,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7278: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7087: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:7282: \$? = $ac_status" >&5
+   echo "$as_me:7091: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -7301,7 +7110,7 @@ else
    $RM conftest*
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_c_o" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
 $as_echo "$lt_cv_prog_compiler_c_o" >&6; }
 
 
@@ -7309,9 +7118,9 @@ $as_echo "$lt_cv_prog_compiler_c_o" >&6; }
 
 
 
-  { $as_echo "$as_me:$LINENO: checking if $compiler supports -c -o file.$ac_objext" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $compiler supports -c -o file.$ac_objext" >&5
 $as_echo_n "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
-if test "${lt_cv_prog_compiler_c_o+set}" = set; then
+if ${lt_cv_prog_compiler_c_o+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   lt_cv_prog_compiler_c_o=no
@@ -7330,11 +7139,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:7333: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:7142: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:7337: \$? = $ac_status" >&5
+   echo "$as_me:7146: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -7356,7 +7165,7 @@ else
    $RM conftest*
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_c_o" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
 $as_echo "$lt_cv_prog_compiler_c_o" >&6; }
 
 
@@ -7365,7 +7174,7 @@ $as_echo "$lt_cv_prog_compiler_c_o" >&6; }
 hard_links="nottested"
 if test "$lt_cv_prog_compiler_c_o" = no && test "$need_locks" != no; then
   # do not overwrite the value of need_locks provided by the user
-  { $as_echo "$as_me:$LINENO: checking if we can lock with hard links" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can lock with hard links" >&5
 $as_echo_n "checking if we can lock with hard links... " >&6; }
   hard_links=yes
   $RM conftest*
@@ -7373,10 +7182,10 @@ $as_echo_n "checking if we can lock with hard links... " >&6; }
   touch conftest.a
   ln conftest.a conftest.b 2>&5 || hard_links=no
   ln conftest.a conftest.b 2>/dev/null && hard_links=no
-  { $as_echo "$as_me:$LINENO: result: $hard_links" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $hard_links" >&5
 $as_echo "$hard_links" >&6; }
   if test "$hard_links" = no; then
-    { $as_echo "$as_me:$LINENO: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5
 $as_echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;}
     need_locks=warn
   fi
@@ -7389,7 +7198,7 @@ fi
 
 
 
-  { $as_echo "$as_me:$LINENO: checking whether the $compiler linker ($LD) supports shared libraries" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the $compiler linker ($LD) supports shared libraries" >&5
 $as_echo_n "checking whether the $compiler linker ($LD) supports shared libraries... " >&6; }
 
   runpath_var=
@@ -7831,11 +7640,7 @@ _LT_EOF
 	allow_undefined_flag='-berok'
         # Determine the default libpath from the value encoded in an
         # empty executable.
-        cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -7846,27 +7651,7 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
 
 lt_aix_libpath_sed='
     /Import File Strings/,/^$/ {
@@ -7880,16 +7665,9 @@ aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpat
 if test -z "$aix_libpath"; then
   aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
 fi
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
 
         hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
@@ -7902,11 +7680,7 @@ if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
 	else
 	 # Determine the default libpath from the value encoded in an
 	 # empty executable.
-	 cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -7917,27 +7691,7 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
 
 lt_aix_libpath_sed='
     /Import File Strings/,/^$/ {
@@ -7951,16 +7705,9 @@ aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpat
 if test -z "$aix_libpath"; then
   aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | $SED -n -e "$lt_aix_libpath_sed"`
 fi
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
 
 	 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath"
@@ -8172,42 +7919,16 @@ if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
 	# implicitly export all symbols.
         save_LDFLAGS="$LDFLAGS"
         LDFLAGS="$LDFLAGS -shared ${wl}-exported_symbol ${wl}foo ${wl}-update_registry ${wl}/dev/null"
-        cat >conftest.$ac_ext <<_ACEOF
+        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
 int foo(void) {}
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && $ECHO "X${wl}-set_version ${wl}$verstring" | $Xsed` ${wl}-update_registry ${wl}${output_objdir}/so_locations ${wl}-exports_file ${wl}$export_symbols -o $lib'
 
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
         LDFLAGS="$save_LDFLAGS"
       else
 	archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags -soname $soname `test -n "$verstring" && $ECHO "X-set_version $verstring" | $Xsed` -update_registry ${output_objdir}/so_locations -o $lib'
@@ -8463,7 +8184,7 @@ rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
     fi
   fi
 
-{ $as_echo "$as_me:$LINENO: result: $ld_shlibs" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ld_shlibs" >&5
 $as_echo "$ld_shlibs" >&6; }
 test "$ld_shlibs" = no && can_build_shared=no
 
@@ -8500,16 +8221,16 @@ x|xyes)
       # Test whether the compiler implicitly links with -lc since on some
       # systems, -lgcc has to come before -lc. If gcc already passes -lc
       # to ld, don't add -lc before -lgcc.
-      { $as_echo "$as_me:$LINENO: checking whether -lc should be explicitly linked in" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -lc should be explicitly linked in" >&5
 $as_echo_n "checking whether -lc should be explicitly linked in... " >&6; }
       $RM conftest*
       echo "$lt_simple_compile_test_code" > conftest.$ac_ext
 
-      if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+      if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } 2>conftest.err; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } 2>conftest.err; then
         soname=conftest
         lib=conftest
         libobjs=conftest.$ac_objext
@@ -8523,11 +8244,11 @@ $as_echo_n "checking whether -lc should be explicitly linked in... " >&6; }
         libname=conftest
         lt_save_allow_undefined_flag=$allow_undefined_flag
         allow_undefined_flag=
-        if { (eval echo "$as_me:$LINENO: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\"") >&5
+        if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1\""; } >&5
   (eval $archive_cmds 2\>\&1 \| $GREP \" -lc \" \>/dev/null 2\>\&1) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); }
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
         then
 	  archive_cmds_need_lc=no
         else
@@ -8538,7 +8259,7 @@ $as_echo_n "checking whether -lc should be explicitly linked in... " >&6; }
         cat conftest.err 1>&5
       fi
       $RM conftest*
-      { $as_echo "$as_me:$LINENO: result: $archive_cmds_need_lc" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: $archive_cmds_need_lc" >&5
 $as_echo "$archive_cmds_need_lc" >&6; }
       ;;
     esac
@@ -8702,7 +8423,7 @@ esac
 
 
 
-  { $as_echo "$as_me:$LINENO: checking dynamic linker characteristics" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking dynamic linker characteristics" >&5
 $as_echo_n "checking dynamic linker characteristics... " >&6; }
 
 if test "$GCC" = yes; then
@@ -9137,11 +8858,7 @@ linux* | k*bsd*-gnu)
   save_libdir=$libdir
   eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \
        LDFLAGS=\"\$LDFLAGS $hardcode_libdir_flag_spec\""
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -9152,41 +8869,13 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  if  ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then
+if ac_fn_c_try_link "$LINENO"; then :
+  if  ($OBJDUMP -p conftest$ac_exeext) 2>/dev/null | grep "RUNPATH.*$libdir" >/dev/null; then :
   shlibpath_overrides_runpath=yes
 fi
-
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
   LDFLAGS=$save_LDFLAGS
   libdir=$save_libdir
 
@@ -9398,7 +9087,7 @@ uts4*)
   dynamic_linker=no
   ;;
 esac
-{ $as_echo "$as_me:$LINENO: result: $dynamic_linker" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $dynamic_linker" >&5
 $as_echo "$dynamic_linker" >&6; }
 test "$dynamic_linker" = no && can_build_shared=no
 
@@ -9500,7 +9189,7 @@ fi
 
 
 
-  { $as_echo "$as_me:$LINENO: checking how to hardcode library paths into programs" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking how to hardcode library paths into programs" >&5
 $as_echo_n "checking how to hardcode library paths into programs... " >&6; }
 hardcode_action=
 if test -n "$hardcode_libdir_flag_spec" ||
@@ -9525,7 +9214,7 @@ else
   # directories.
   hardcode_action=unsupported
 fi
-{ $as_echo "$as_me:$LINENO: result: $hardcode_action" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $hardcode_action" >&5
 $as_echo "$hardcode_action" >&6; }
 
 if test "$hardcode_action" = relink ||
@@ -9570,18 +9259,14 @@ else
 
   darwin*)
   # if libdl is installed we need to link against it
-    { $as_echo "$as_me:$LINENO: checking for dlopen in -ldl" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
 $as_echo_n "checking for dlopen in -ldl... " >&6; }
-if test "${ac_cv_lib_dl_dlopen+set}" = set; then
+if ${ac_cv_lib_dl_dlopen+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldl  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -9599,43 +9284,18 @@ return dlopen ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_dl_dlopen=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_dl_dlopen=no
+  ac_cv_lib_dl_dlopen=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_dl_dlopen" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
 $as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test $ac_cv_lib_dl_dlopen = yes; then
+if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
   lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
 else
 
@@ -9648,106 +9308,18 @@ fi
     ;;
 
   *)
-    { $as_echo "$as_me:$LINENO: checking for shl_load" >&5
-$as_echo_n "checking for shl_load... " >&6; }
-if test "${ac_cv_func_shl_load+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define shl_load to an innocuous variant, in case <limits.h> declares shl_load.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define shl_load innocuous_shl_load
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char shl_load (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef shl_load
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char shl_load ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_shl_load || defined __stub___shl_load
-choke me
-#endif
-
-int
-main ()
-{
-return shl_load ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  ac_cv_func_shl_load=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_func_shl_load=no
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_shl_load" >&5
-$as_echo "$ac_cv_func_shl_load" >&6; }
-if test $ac_cv_func_shl_load = yes; then
+    ac_fn_c_check_func "$LINENO" "shl_load" "ac_cv_func_shl_load"
+if test "x$ac_cv_func_shl_load" = xyes; then :
   lt_cv_dlopen="shl_load"
 else
-  { $as_echo "$as_me:$LINENO: checking for shl_load in -ldld" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
 $as_echo_n "checking for shl_load in -ldld... " >&6; }
-if test "${ac_cv_lib_dld_shl_load+set}" = set; then
+if ${ac_cv_lib_dld_shl_load+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldld  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -9765,145 +9337,32 @@ return shl_load ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_dld_shl_load=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_dld_shl_load=no
+  ac_cv_lib_dld_shl_load=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_dld_shl_load" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5
 $as_echo "$ac_cv_lib_dld_shl_load" >&6; }
-if test $ac_cv_lib_dld_shl_load = yes; then
+if test "x$ac_cv_lib_dld_shl_load" = xyes; then :
   lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"
 else
-  { $as_echo "$as_me:$LINENO: checking for dlopen" >&5
-$as_echo_n "checking for dlopen... " >&6; }
-if test "${ac_cv_func_dlopen+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define dlopen to an innocuous variant, in case <limits.h> declares dlopen.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define dlopen innocuous_dlopen
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char dlopen (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef dlopen
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_dlopen || defined __stub___dlopen
-choke me
-#endif
-
-int
-main ()
-{
-return dlopen ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  ac_cv_func_dlopen=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_func_dlopen=no
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_func_dlopen" >&5
-$as_echo "$ac_cv_func_dlopen" >&6; }
-if test $ac_cv_func_dlopen = yes; then
+  ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
+if test "x$ac_cv_func_dlopen" = xyes; then :
   lt_cv_dlopen="dlopen"
 else
-  { $as_echo "$as_me:$LINENO: checking for dlopen in -ldl" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
 $as_echo_n "checking for dlopen in -ldl... " >&6; }
-if test "${ac_cv_lib_dl_dlopen+set}" = set; then
+if ${ac_cv_lib_dl_dlopen+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldl  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -9921,57 +9380,28 @@ return dlopen ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_dl_dlopen=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_dl_dlopen=no
+  ac_cv_lib_dl_dlopen=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_dl_dlopen" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
 $as_echo "$ac_cv_lib_dl_dlopen" >&6; }
-if test $ac_cv_lib_dl_dlopen = yes; then
+if test "x$ac_cv_lib_dl_dlopen" = xyes; then :
   lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
 else
-  { $as_echo "$as_me:$LINENO: checking for dlopen in -lsvld" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5
 $as_echo_n "checking for dlopen in -lsvld... " >&6; }
-if test "${ac_cv_lib_svld_dlopen+set}" = set; then
+if ${ac_cv_lib_svld_dlopen+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsvld  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -9989,57 +9419,28 @@ return dlopen ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_svld_dlopen=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_svld_dlopen=no
+  ac_cv_lib_svld_dlopen=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_svld_dlopen" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5
 $as_echo "$ac_cv_lib_svld_dlopen" >&6; }
-if test $ac_cv_lib_svld_dlopen = yes; then
+if test "x$ac_cv_lib_svld_dlopen" = xyes; then :
   lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"
 else
-  { $as_echo "$as_me:$LINENO: checking for dld_link in -ldld" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5
 $as_echo_n "checking for dld_link in -ldld... " >&6; }
-if test "${ac_cv_lib_dld_dld_link+set}" = set; then
+if ${ac_cv_lib_dld_dld_link+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldld  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -10057,43 +9458,18 @@ return dld_link ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_dld_dld_link=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_dld_dld_link=no
+  ac_cv_lib_dld_dld_link=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_dld_dld_link" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5
 $as_echo "$ac_cv_lib_dld_dld_link" >&6; }
-if test $ac_cv_lib_dld_dld_link = yes; then
+if test "x$ac_cv_lib_dld_dld_link" = xyes; then :
   lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
 fi
 
@@ -10132,9 +9508,9 @@ fi
     save_LIBS="$LIBS"
     LIBS="$lt_cv_dlopen_libs $LIBS"
 
-    { $as_echo "$as_me:$LINENO: checking whether a program can dlopen itself" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a program can dlopen itself" >&5
 $as_echo_n "checking whether a program can dlopen itself... " >&6; }
-if test "${lt_cv_dlopen_self+set}" = set; then
+if ${lt_cv_dlopen_self+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   	  if test "$cross_compiling" = yes; then :
@@ -10143,7 +9519,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10146 "configure"
+#line 9522 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10202,11 +9578,11 @@ int main ()
   return status;
 }
 _LT_EOF
-  if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && test -s conftest${ac_exeext} 2>/dev/null; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then
     (./conftest; exit; ) >&5 2>/dev/null
     lt_status=$?
     case x$lt_status in
@@ -10223,14 +9599,14 @@ rm -fr conftest*
 
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_dlopen_self" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5
 $as_echo "$lt_cv_dlopen_self" >&6; }
 
     if test "x$lt_cv_dlopen_self" = xyes; then
       wl=$lt_prog_compiler_wl eval LDFLAGS=\"\$LDFLAGS $lt_prog_compiler_static\"
-      { $as_echo "$as_me:$LINENO: checking whether a statically linked program can dlopen itself" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether a statically linked program can dlopen itself" >&5
 $as_echo_n "checking whether a statically linked program can dlopen itself... " >&6; }
-if test "${lt_cv_dlopen_self_static+set}" = set; then
+if ${lt_cv_dlopen_self_static+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   	  if test "$cross_compiling" = yes; then :
@@ -10239,7 +9615,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10242 "configure"
+#line 9618 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -10298,11 +9674,11 @@ int main ()
   return status;
 }
 _LT_EOF
-  if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_link\""; } >&5
   (eval $ac_link) 2>&5
   ac_status=$?
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && test -s conftest${ac_exeext} 2>/dev/null; then
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && test -s conftest${ac_exeext} 2>/dev/null; then
     (./conftest; exit; ) >&5 2>/dev/null
     lt_status=$?
     case x$lt_status in
@@ -10319,7 +9695,7 @@ rm -fr conftest*
 
 
 fi
-{ $as_echo "$as_me:$LINENO: result: $lt_cv_dlopen_self_static" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5
 $as_echo "$lt_cv_dlopen_self_static" >&6; }
     fi
 
@@ -10358,12 +9734,12 @@ fi
 
 striplib=
 old_striplib=
-{ $as_echo "$as_me:$LINENO: checking whether stripping libraries is possible" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether stripping libraries is possible" >&5
 $as_echo_n "checking whether stripping libraries is possible... " >&6; }
 if test -n "$STRIP" && $STRIP -V 2>&1 | $GREP "GNU strip" >/dev/null; then
   test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
   test -z "$striplib" && striplib="$STRIP --strip-unneeded"
-  { $as_echo "$as_me:$LINENO: result: yes" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 else
 # FIXME - insert some real tests, host_os isn't really good enough
@@ -10372,15 +9748,15 @@ else
     if test -n "$STRIP" ; then
       striplib="$STRIP -x"
       old_striplib="$STRIP -S"
-      { $as_echo "$as_me:$LINENO: result: yes" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
     else
-      { $as_echo "$as_me:$LINENO: result: no" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
     fi
     ;;
   *)
-    { $as_echo "$as_me:$LINENO: result: no" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
     ;;
   esac
@@ -10398,12 +9774,12 @@ fi
 
 
   # Report which library types will actually be built
-  { $as_echo "$as_me:$LINENO: checking if libtool supports shared libraries" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if libtool supports shared libraries" >&5
 $as_echo_n "checking if libtool supports shared libraries... " >&6; }
-  { $as_echo "$as_me:$LINENO: result: $can_build_shared" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $can_build_shared" >&5
 $as_echo "$can_build_shared" >&6; }
 
-  { $as_echo "$as_me:$LINENO: checking whether to build shared libraries" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build shared libraries" >&5
 $as_echo_n "checking whether to build shared libraries... " >&6; }
   test "$can_build_shared" = "no" && enable_shared=no
 
@@ -10424,14 +9800,14 @@ $as_echo_n "checking whether to build shared libraries... " >&6; }
     fi
     ;;
   esac
-  { $as_echo "$as_me:$LINENO: result: $enable_shared" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_shared" >&5
 $as_echo "$enable_shared" >&6; }
 
-  { $as_echo "$as_me:$LINENO: checking whether to build static libraries" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to build static libraries" >&5
 $as_echo_n "checking whether to build static libraries... " >&6; }
   # Make sure either enable_shared or enable_static is yes.
   test "$enable_shared" = yes || enable_static=yes
-  { $as_echo "$as_me:$LINENO: result: $enable_static" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_static" >&5
 $as_echo "$enable_static" >&6; }
 
 
@@ -10480,10 +9856,10 @@ CC="$lt_save_CC"
 # OS/2's system install, which has a completely different semantic
 # ./install, which can be erroneously created by make from ./install.sh.
 # Reject install programs that cannot install multiple files.
-{ $as_echo "$as_me:$LINENO: checking for a BSD-compatible install" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
 $as_echo_n "checking for a BSD-compatible install... " >&6; }
 if test -z "$INSTALL"; then
-if test "${ac_cv_path_install+set}" = set; then
+if ${ac_cv_path_install+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -10491,11 +9867,11 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  # Account for people who put trailing slashes in PATH elements.
-case $as_dir/ in
-  ./ | .// | /cC/* | \
+    # Account for people who put trailing slashes in PATH elements.
+case $as_dir/ in #((
+  ./ | .// | /[cC]/* | \
   /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \
-  ?:\\/os2\\/install\\/* | ?:\\/OS2\\/INSTALL\\/* | \
+  ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \
   /usr/ucb/* ) ;;
   *)
     # OSF1 and SCO ODT 3.0 have their own names for install.
@@ -10532,7 +9908,7 @@ case $as_dir/ in
     ;;
 esac
 
-done
+  done
 IFS=$as_save_IFS
 
 rm -rf conftest.one conftest.two conftest.dir
@@ -10548,7 +9924,7 @@ fi
     INSTALL=$ac_install_sh
   fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $INSTALL" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5
 $as_echo "$INSTALL" >&6; }
 
 # Use test -z because SunOS4 sh mishandles braces in ${var-val}.
@@ -10563,9 +9939,9 @@ for ac_prog in gawk mawk nawk awk
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_AWK+set}" = set; then
+if ${ac_cv_prog_AWK+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$AWK"; then
@@ -10576,24 +9952,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_AWK="$ac_prog"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 AWK=$ac_cv_prog_AWK
 if test -n "$AWK"; then
-  { $as_echo "$as_me:$LINENO: result: $AWK" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5
 $as_echo "$AWK" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -10606,15 +9982,15 @@ done
 # Enable large file support (if special flags are necessary)
 #
 # Check whether --enable-largefile was given.
-if test "${enable_largefile+set}" = set; then
+if test "${enable_largefile+set}" = set; then :
   enableval=$enable_largefile;
 fi
 
 if test "$enable_largefile" != no; then
 
-  { $as_echo "$as_me:$LINENO: checking for special C compiler options needed for large files" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for special C compiler options needed for large files" >&5
 $as_echo_n "checking for special C compiler options needed for large files... " >&6; }
-if test "${ac_cv_sys_largefile_CC+set}" = set; then
+if ${ac_cv_sys_largefile_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_cv_sys_largefile_CC=no
@@ -10623,11 +9999,7 @@ else
        while :; do
 	 # IRIX 6.2 and later do not support large files by default,
 	 # so use the C compiler's -n32 option if that helps.
-	 cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
  /* Check that off_t can represent 2**63 - 1 correctly.
@@ -10646,60 +10018,14 @@ main ()
   return 0;
 }
 _ACEOF
-	 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+	 if ac_fn_c_try_compile "$LINENO"; then :
   break
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
 rm -f core conftest.err conftest.$ac_objext
 	 CC="$CC -n32"
-	 rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+	 if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_sys_largefile_CC=' -n32'; break
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
 rm -f core conftest.err conftest.$ac_objext
 	 break
        done
@@ -10707,23 +10033,19 @@ rm -f core conftest.err conftest.$ac_objext
        rm -f conftest.$ac_ext
     fi
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_sys_largefile_CC" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_largefile_CC" >&5
 $as_echo "$ac_cv_sys_largefile_CC" >&6; }
   if test "$ac_cv_sys_largefile_CC" != no; then
     CC=$CC$ac_cv_sys_largefile_CC
   fi
 
-  { $as_echo "$as_me:$LINENO: checking for _FILE_OFFSET_BITS value needed for large files" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _FILE_OFFSET_BITS value needed for large files" >&5
 $as_echo_n "checking for _FILE_OFFSET_BITS value needed for large files... " >&6; }
-if test "${ac_cv_sys_file_offset_bits+set}" = set; then
+if ${ac_cv_sys_file_offset_bits+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   while :; do
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
  /* Check that off_t can represent 2**63 - 1 correctly.
@@ -10742,38 +10064,11 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_sys_file_offset_bits=no; break
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define _FILE_OFFSET_BITS 64
 #include <sys/types.h>
@@ -10793,38 +10088,15 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_sys_file_offset_bits=64; break
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   ac_cv_sys_file_offset_bits=unknown
   break
 done
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_sys_file_offset_bits" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_file_offset_bits" >&5
 $as_echo "$ac_cv_sys_file_offset_bits" >&6; }
 case $ac_cv_sys_file_offset_bits in #(
   no | unknown) ;;
@@ -10836,17 +10108,13 @@ _ACEOF
 esac
 rm -rf conftest*
   if test $ac_cv_sys_file_offset_bits = unknown; then
-    { $as_echo "$as_me:$LINENO: checking for _LARGE_FILES value needed for large files" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _LARGE_FILES value needed for large files" >&5
 $as_echo_n "checking for _LARGE_FILES value needed for large files... " >&6; }
-if test "${ac_cv_sys_large_files+set}" = set; then
+if ${ac_cv_sys_large_files+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   while :; do
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
  /* Check that off_t can represent 2**63 - 1 correctly.
@@ -10865,38 +10133,11 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_sys_large_files=no; break
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #define _LARGE_FILES 1
 #include <sys/types.h>
@@ -10916,38 +10157,15 @@ main ()
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
+if ac_fn_c_try_compile "$LINENO"; then :
   ac_cv_sys_large_files=1; break
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
   ac_cv_sys_large_files=unknown
   break
 done
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_sys_large_files" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_large_files" >&5
 $as_echo "$ac_cv_sys_large_files" >&6; }
 case $ac_cv_sys_large_files in #(
   no | unknown) ;;
@@ -10964,101 +10182,8 @@ fi
 
 #########
 # Check for needed/wanted data types
-{ $as_echo "$as_me:$LINENO: checking for int8_t" >&5
-$as_echo_n "checking for int8_t... " >&6; }
-if test "${ac_cv_type_int8_t+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_type_int8_t=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof (int8_t))
-       return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof ((int8_t)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_int8_t=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_int8_t" >&5
-$as_echo "$ac_cv_type_int8_t" >&6; }
-if test $ac_cv_type_int8_t = yes; then
+ac_fn_c_check_type "$LINENO" "int8_t" "ac_cv_type_int8_t" "$ac_includes_default"
+if test "x$ac_cv_type_int8_t" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_INT8_T 1
@@ -11066,101 +10191,8 @@ _ACEOF
 
 
 fi
-{ $as_echo "$as_me:$LINENO: checking for int16_t" >&5
-$as_echo_n "checking for int16_t... " >&6; }
-if test "${ac_cv_type_int16_t+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_type_int16_t=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof (int16_t))
-       return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof ((int16_t)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_int16_t=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_int16_t" >&5
-$as_echo "$ac_cv_type_int16_t" >&6; }
-if test $ac_cv_type_int16_t = yes; then
+ac_fn_c_check_type "$LINENO" "int16_t" "ac_cv_type_int16_t" "$ac_includes_default"
+if test "x$ac_cv_type_int16_t" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_INT16_T 1
@@ -11168,101 +10200,8 @@ _ACEOF
 
 
 fi
-{ $as_echo "$as_me:$LINENO: checking for int32_t" >&5
-$as_echo_n "checking for int32_t... " >&6; }
-if test "${ac_cv_type_int32_t+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_type_int32_t=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof (int32_t))
-       return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof ((int32_t)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_int32_t=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_int32_t" >&5
-$as_echo "$ac_cv_type_int32_t" >&6; }
-if test $ac_cv_type_int32_t = yes; then
+ac_fn_c_check_type "$LINENO" "int32_t" "ac_cv_type_int32_t" "$ac_includes_default"
+if test "x$ac_cv_type_int32_t" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_INT32_T 1
@@ -11270,101 +10209,8 @@ _ACEOF
 
 
 fi
-{ $as_echo "$as_me:$LINENO: checking for int64_t" >&5
-$as_echo_n "checking for int64_t... " >&6; }
-if test "${ac_cv_type_int64_t+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_type_int64_t=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof (int64_t))
-       return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof ((int64_t)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_int64_t=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_int64_t" >&5
-$as_echo "$ac_cv_type_int64_t" >&6; }
-if test $ac_cv_type_int64_t = yes; then
+ac_fn_c_check_type "$LINENO" "int64_t" "ac_cv_type_int64_t" "$ac_includes_default"
+if test "x$ac_cv_type_int64_t" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_INT64_T 1
@@ -11372,101 +10218,8 @@ _ACEOF
 
 
 fi
-{ $as_echo "$as_me:$LINENO: checking for intptr_t" >&5
-$as_echo_n "checking for intptr_t... " >&6; }
-if test "${ac_cv_type_intptr_t+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_type_intptr_t=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof (intptr_t))
-       return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof ((intptr_t)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_intptr_t=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_intptr_t" >&5
-$as_echo "$ac_cv_type_intptr_t" >&6; }
-if test $ac_cv_type_intptr_t = yes; then
+ac_fn_c_check_type "$LINENO" "intptr_t" "ac_cv_type_intptr_t" "$ac_includes_default"
+if test "x$ac_cv_type_intptr_t" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_INTPTR_T 1
@@ -11474,101 +10227,8 @@ _ACEOF
 
 
 fi
-{ $as_echo "$as_me:$LINENO: checking for uint8_t" >&5
-$as_echo_n "checking for uint8_t... " >&6; }
-if test "${ac_cv_type_uint8_t+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_type_uint8_t=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof (uint8_t))
-       return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof ((uint8_t)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_uint8_t=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_uint8_t" >&5
-$as_echo "$ac_cv_type_uint8_t" >&6; }
-if test $ac_cv_type_uint8_t = yes; then
+ac_fn_c_check_type "$LINENO" "uint8_t" "ac_cv_type_uint8_t" "$ac_includes_default"
+if test "x$ac_cv_type_uint8_t" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_UINT8_T 1
@@ -11576,101 +10236,8 @@ _ACEOF
 
 
 fi
-{ $as_echo "$as_me:$LINENO: checking for uint16_t" >&5
-$as_echo_n "checking for uint16_t... " >&6; }
-if test "${ac_cv_type_uint16_t+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_type_uint16_t=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof (uint16_t))
-       return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof ((uint16_t)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_uint16_t=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_uint16_t" >&5
-$as_echo "$ac_cv_type_uint16_t" >&6; }
-if test $ac_cv_type_uint16_t = yes; then
+ac_fn_c_check_type "$LINENO" "uint16_t" "ac_cv_type_uint16_t" "$ac_includes_default"
+if test "x$ac_cv_type_uint16_t" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_UINT16_T 1
@@ -11678,101 +10245,8 @@ _ACEOF
 
 
 fi
-{ $as_echo "$as_me:$LINENO: checking for uint32_t" >&5
-$as_echo_n "checking for uint32_t... " >&6; }
-if test "${ac_cv_type_uint32_t+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_type_uint32_t=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof (uint32_t))
-       return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof ((uint32_t)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_uint32_t=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_uint32_t" >&5
-$as_echo "$ac_cv_type_uint32_t" >&6; }
-if test $ac_cv_type_uint32_t = yes; then
+ac_fn_c_check_type "$LINENO" "uint32_t" "ac_cv_type_uint32_t" "$ac_includes_default"
+if test "x$ac_cv_type_uint32_t" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_UINT32_T 1
@@ -11780,101 +10254,8 @@ _ACEOF
 
 
 fi
-{ $as_echo "$as_me:$LINENO: checking for uint64_t" >&5
-$as_echo_n "checking for uint64_t... " >&6; }
-if test "${ac_cv_type_uint64_t+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_type_uint64_t=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof (uint64_t))
-       return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof ((uint64_t)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_uint64_t=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_uint64_t" >&5
-$as_echo "$ac_cv_type_uint64_t" >&6; }
-if test $ac_cv_type_uint64_t = yes; then
+ac_fn_c_check_type "$LINENO" "uint64_t" "ac_cv_type_uint64_t" "$ac_includes_default"
+if test "x$ac_cv_type_uint64_t" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_UINT64_T 1
@@ -11882,101 +10263,8 @@ _ACEOF
 
 
 fi
-{ $as_echo "$as_me:$LINENO: checking for uintptr_t" >&5
-$as_echo_n "checking for uintptr_t... " >&6; }
-if test "${ac_cv_type_uintptr_t+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_type_uintptr_t=no
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof (uintptr_t))
-       return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-int
-main ()
-{
-if (sizeof ((uintptr_t)))
-	  return 0;
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  :
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_type_uintptr_t=yes
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_type_uintptr_t" >&5
-$as_echo "$ac_cv_type_uintptr_t" >&6; }
-if test $ac_cv_type_uintptr_t = yes; then
+ac_fn_c_check_type "$LINENO" "uintptr_t" "ac_cv_type_uintptr_t" "$ac_includes_default"
+if test "x$ac_cv_type_uintptr_t" = xyes; then :
 
 cat >>confdefs.h <<_ACEOF
 #define HAVE_UINTPTR_T 1
@@ -11988,147 +10276,11 @@ fi
 
 #########
 # Check for needed/wanted headers
-
-
-
-
-
 for ac_header in sys/types.h stdlib.h stdint.h inttypes.h malloc.h
-do
-as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  { $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking $ac_header usability" >&5
-$as_echo_n "checking $ac_header usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <$ac_header>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_header_compiler=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking $ac_header presence" >&5
-$as_echo_n "checking $ac_header presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <$ac_header>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-
-rm -f conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
-
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for $ac_header" >&5
-$as_echo_n "checking for $ac_header... " >&6; }
-if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  eval "$as_ac_Header=\$ac_header_preproc"
-fi
-ac_res=`eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-
-fi
-if test `eval 'as_val=${'$as_ac_Header'}
-		 $as_echo "$as_val"'` = yes; then
+do :
+  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
+ac_fn_c_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
+if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
@@ -12141,105 +10293,11 @@ done
 #########
 # Figure out whether or not we have these functions
 #
-
-
-
-
-
-
-
 for ac_func in usleep fdatasync localtime_r gmtime_r localtime_s utime malloc_usable_size
-do
-as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
-$as_echo_n "checking for $ac_func... " >&6; }
-if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
-  $as_echo_n "(cached) " >&6
-else
-  cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
-   For example, HP-UX 11i <limits.h> declares gettimeofday.  */
-#define $ac_func innocuous_$ac_func
-
-/* System header to define __stub macros and hopefully few prototypes,
-    which can conflict with char $ac_func (); below.
-    Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
-    <limits.h> exists even on freestanding compilers.  */
-
-#ifdef __STDC__
-# include <limits.h>
-#else
-# include <assert.h>
-#endif
-
-#undef $ac_func
-
-/* Override any GCC internal prototype to avoid an error.
-   Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char $ac_func ();
-/* The GNU C library defines this for functions which it implements
-    to always fail with ENOSYS.  Some functions are actually named
-    something starting with __ and the normal name is an alias.  */
-#if defined __stub_$ac_func || defined __stub___$ac_func
-choke me
-#endif
-
-int
-main ()
-{
-return $ac_func ();
-  ;
-  return 0;
-}
-_ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
-  eval "$as_ac_var=yes"
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	eval "$as_ac_var=no"
-fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
-fi
-ac_res=`eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
-$as_echo "$ac_res" >&6; }
-if test `eval 'as_val=${'$as_ac_var'}
-		 $as_echo "$as_val"'` = yes; then
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
   cat >>confdefs.h <<_ACEOF
 #define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
 _ACEOF
@@ -12262,9 +10320,9 @@ for ac_prog in tclsh8.5 tclsh
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_TCLSH_CMD+set}" = set; then
+if ${ac_cv_prog_TCLSH_CMD+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$TCLSH_CMD"; then
@@ -12275,24 +10333,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_TCLSH_CMD="$ac_prog"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 TCLSH_CMD=$ac_cv_prog_TCLSH_CMD
 if test -n "$TCLSH_CMD"; then
-  { $as_echo "$as_me:$LINENO: result: $TCLSH_CMD" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $TCLSH_CMD" >&5
 $as_echo "$TCLSH_CMD" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -12330,17 +10388,17 @@ fi
 
 
 VERSION=`cat $srcdir/VERSION | sed 's/^\([0-9]*\.*[0-9]*\).*/\1/'`
-{ $as_echo "$as_me:$LINENO: Version set to $VERSION" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: Version set to $VERSION" >&5
 $as_echo "$as_me: Version set to $VERSION" >&6;}
 
 RELEASE=`cat $srcdir/VERSION`
-{ $as_echo "$as_me:$LINENO: Release set to $RELEASE" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: Release set to $RELEASE" >&5
 $as_echo "$as_me: Release set to $RELEASE" >&6;}
 
 VERSION_NUMBER=`cat $srcdir/VERSION \
                            | sed 's/[^0-9]/ /g' \
                 | awk '{printf "%d%03d%03d",$1,$2,$3}'`
-{ $as_echo "$as_me:$LINENO: Version number set to $VERSION_NUMBER" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: Version number set to $VERSION_NUMBER" >&5
 $as_echo "$as_me: Version number set to $VERSION_NUMBER" >&6;}
 
 
@@ -12353,7 +10411,7 @@ $as_echo "$as_me: Version number set to $VERSION_NUMBER" >&6;}
 #
 
 # Check whether --with-hints was given.
-if test "${with_hints+set}" = set; then
+if test "${with_hints+set}" = set; then :
   withval=$with_hints; hints=$withval
 fi
 
@@ -12378,7 +10436,7 @@ if test "$hints" = ""; then
   fi
 fi
 if test "$hints" != ""; then
-  { $as_echo "$as_me:$LINENO: result: reading hints from $hints" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: reading hints from $hints" >&5
 $as_echo "reading hints from $hints" >&6; }
   . $hints
 fi
@@ -12396,9 +10454,9 @@ else
 do
   # Extract the first word of "$ac_prog", so it can be a program name with args.
 set dummy $ac_prog; ac_word=$2
-{ $as_echo "$as_me:$LINENO: checking for $ac_word" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_BUILD_CC+set}" = set; then
+if ${ac_cv_prog_BUILD_CC+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   if test -n "$BUILD_CC"; then
@@ -12409,24 +10467,24 @@ for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  for ac_exec_ext in '' $ac_executable_extensions; do
+    for ac_exec_ext in '' $ac_executable_extensions; do
   if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
     ac_cv_prog_BUILD_CC="$ac_prog"
-    $as_echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
+    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
     break 2
   fi
 done
-done
+  done
 IFS=$as_save_IFS
 
 fi
 fi
 BUILD_CC=$ac_cv_prog_BUILD_CC
 if test -n "$BUILD_CC"; then
-  { $as_echo "$as_me:$LINENO: result: $BUILD_CC" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BUILD_CC" >&5
 $as_echo "$BUILD_CC" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi
 
@@ -12445,37 +10503,33 @@ fi
 # Do we want to support multithreaded use of sqlite
 #
 # Check whether --enable-threadsafe was given.
-if test "${enable_threadsafe+set}" = set; then
+if test "${enable_threadsafe+set}" = set; then :
   enableval=$enable_threadsafe;
 else
   enable_threadsafe=yes
 fi
 
-{ $as_echo "$as_me:$LINENO: checking whether to support threadsafe operation" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to support threadsafe operation" >&5
 $as_echo_n "checking whether to support threadsafe operation... " >&6; }
 if test "$enable_threadsafe" = "no"; then
   SQLITE_THREADSAFE=0
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 else
   SQLITE_THREADSAFE=1
-  { $as_echo "$as_me:$LINENO: result: yes" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 fi
 
 
 if test "$SQLITE_THREADSAFE" = "1"; then
-  { $as_echo "$as_me:$LINENO: checking for library containing pthread_create" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_create" >&5
 $as_echo_n "checking for library containing pthread_create... " >&6; }
-if test "${ac_cv_search_pthread_create+set}" = set; then
+if ${ac_cv_search_pthread_create+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -12500,54 +10554,27 @@ for ac_lib in '' pthread; do
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+  if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_pthread_create=$ac_res
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext
-  if test "${ac_cv_search_pthread_create+set}" = set; then
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if ${ac_cv_search_pthread_create+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_pthread_create+set}" = set; then
-  :
+if ${ac_cv_search_pthread_create+:} false; then :
+
 else
   ac_cv_search_pthread_create=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_search_pthread_create" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_create" >&5
 $as_echo "$ac_cv_search_pthread_create" >&6; }
 ac_res=$ac_cv_search_pthread_create
-if test "$ac_res" != no; then
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
@@ -12560,21 +10587,21 @@ fi
 # due to bugs in the threading implementations.  This is thus off by default.
 #
 # Check whether --enable-cross-thread-connections was given.
-if test "${enable_cross_thread_connections+set}" = set; then
+if test "${enable_cross_thread_connections+set}" = set; then :
   enableval=$enable_cross_thread_connections;
 else
   enable_xthreadconnect=no
 fi
 
-{ $as_echo "$as_me:$LINENO: checking whether to allow connections to be shared across threads" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to allow connections to be shared across threads" >&5
 $as_echo_n "checking whether to allow connections to be shared across threads... " >&6; }
 if test "$enable_xthreadconnect" = "no"; then
   XTHREADCONNECT=''
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 else
   XTHREADCONNECT='-DSQLITE_ALLOW_XTHREAD_CONNECT=1'
-  { $as_echo "$as_me:$LINENO: result: yes" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 fi
 
@@ -12583,21 +10610,21 @@ fi
 # Do we want to support release
 #
 # Check whether --enable-releasemode was given.
-if test "${enable_releasemode+set}" = set; then
+if test "${enable_releasemode+set}" = set; then :
   enableval=$enable_releasemode;
 else
   enable_releasemode=no
 fi
 
-{ $as_echo "$as_me:$LINENO: checking whether to support shared library linked as release mode or not" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to support shared library linked as release mode or not" >&5
 $as_echo_n "checking whether to support shared library linked as release mode or not... " >&6; }
 if test "$enable_releasemode" = "no"; then
   ALLOWRELEASE=""
-  { $as_echo "$as_me:$LINENO: result: no" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 else
   ALLOWRELEASE="-release `cat $srcdir/VERSION`"
-  { $as_echo "$as_me:$LINENO: result: yes" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 fi
 
@@ -12606,38 +10633,38 @@ fi
 # Do we want temporary databases in memory
 #
 # Check whether --enable-tempstore was given.
-if test "${enable_tempstore+set}" = set; then
+if test "${enable_tempstore+set}" = set; then :
   enableval=$enable_tempstore;
 else
   enable_tempstore=no
 fi
 
-{ $as_echo "$as_me:$LINENO: checking whether to use an in-ram database for temporary tables" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use an in-ram database for temporary tables" >&5
 $as_echo_n "checking whether to use an in-ram database for temporary tables... " >&6; }
 case "$enable_tempstore" in
   never )
     TEMP_STORE=0
-    { $as_echo "$as_me:$LINENO: result: never" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: never" >&5
 $as_echo "never" >&6; }
   ;;
   no )
     TEMP_STORE=1
-    { $as_echo "$as_me:$LINENO: result: no" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
   ;;
   yes )
      TEMP_STORE=2
-    { $as_echo "$as_me:$LINENO: result: yes" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
   ;;
   always )
      TEMP_STORE=3
-    { $as_echo "$as_me:$LINENO: result: always" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: always" >&5
 $as_echo "always" >&6; }
   ;;
   * )
     TEMP_STORE=1
-    { $as_echo "$as_me:$LINENO: result: no" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
   ;;
 esac
@@ -12649,53 +10676,17 @@ esac
 # the CYGWIN environment.  So check for that special case and handle
 # things accordingly.
 #
-{ $as_echo "$as_me:$LINENO: checking if executables have the .exe suffix" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if executables have the .exe suffix" >&5
 $as_echo_n "checking if executables have the .exe suffix... " >&6; }
 if test "$config_BUILD_EXEEXT" = ".exe"; then
   CYGWIN=yes
-  { $as_echo "$as_me:$LINENO: result: yes" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 else
-  { $as_echo "$as_me:$LINENO: result: unknown" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: unknown" >&5
 $as_echo "unknown" >&6; }
 fi
 if test "$CYGWIN" != "yes"; then
-  { $as_echo "$as_me:$LINENO: checking host system type" >&5
-$as_echo_n "checking host system type... " >&6; }
-if test "${ac_cv_host+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  if test "x$host_alias" = x; then
-  ac_cv_host=$ac_cv_build
-else
-  ac_cv_host=`$SHELL "$ac_aux_dir/config.sub" $host_alias` ||
-    { { $as_echo "$as_me:$LINENO: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&5
-$as_echo "$as_me: error: $SHELL $ac_aux_dir/config.sub $host_alias failed" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_host" >&5
-$as_echo "$ac_cv_host" >&6; }
-case $ac_cv_host in
-*-*-*) ;;
-*) { { $as_echo "$as_me:$LINENO: error: invalid value of canonical host" >&5
-$as_echo "$as_me: error: invalid value of canonical host" >&2;}
-   { (exit 1); exit 1; }; };;
-esac
-host=$ac_cv_host
-ac_save_IFS=$IFS; IFS='-'
-set x $ac_cv_host
-shift
-host_cpu=$1
-host_vendor=$2
-shift; shift
-# Remember, the first character of IFS is used to create $*,
-# except with old shells:
-host_os=$*
-IFS=$ac_save_IFS
-case $host_os in *\ *) host_os=`echo "$host_os" | sed 's/ /-/g'`;; esac
-
 
 case $host_os in
   *cygwin* ) CYGWIN=yes;;
@@ -12747,7 +10738,7 @@ fi
 # minor changes to accomodate systems that do not have TCL installed.
 #
 # Check whether --enable-tcl was given.
-if test "${enable_tcl+set}" = set; then
+if test "${enable_tcl+set}" = set; then :
   enableval=$enable_tcl; use_tcl=$enableval
 else
   use_tcl=yes
@@ -12756,13 +10747,13 @@ fi
 if test "${use_tcl}" = "yes" ; then
 
 # Check whether --with-tcl was given.
-if test "${with_tcl+set}" = set; then
+if test "${with_tcl+set}" = set; then :
   withval=$with_tcl; with_tclconfig=${withval}
 fi
 
-  { $as_echo "$as_me:$LINENO: checking for Tcl configuration" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for Tcl configuration" >&5
 $as_echo_n "checking for Tcl configuration... " >&6; }
-  if test "${ac_cv_c_tclconfig+set}" = set; then
+  if ${ac_cv_c_tclconfig+:} false; then :
   $as_echo_n "(cached) " >&6
 else
 
@@ -12771,21 +10762,21 @@ else
       if test -f "${with_tclconfig}/tclConfig.sh" ; then
         ac_cv_c_tclconfig=`(cd ${with_tclconfig}; pwd)`
       else
-        { { $as_echo "$as_me:$LINENO: error: ${with_tclconfig} directory doesn't contain tclConfig.sh" >&5
-$as_echo "$as_me: error: ${with_tclconfig} directory doesn't contain tclConfig.sh" >&2;}
-   { (exit 1); exit 1; }; }
+        as_fn_error $? "${with_tclconfig} directory doesn't contain tclConfig.sh" "$LINENO" 5
       fi
     fi
 
     # Start autosearch by asking tclsh
-    if test x"$cross_compiling" = xno; then
-      for i in `echo 'puts stdout $auto_path' | ${TCLSH_CMD}`
-      do
-        if test -f "$i/tclConfig.sh" ; then
-          ac_cv_c_tclconfig="$i"
-          break
-        fi
-      done
+    if test x"${ac_cv_c_tclconfig}" = x ; then
+      if test x"$cross_compiling" = xno; then
+        for i in `echo 'puts stdout $auto_path' | ${TCLSH_CMD}`
+        do
+          if test -f "$i/tclConfig.sh" ; then
+            ac_cv_c_tclconfig="$i"
+            break
+          fi
+        done
+      fi
     fi
 
     # then check for a private Tcl installation
@@ -12846,25 +10837,25 @@ fi
 
   if test x"${ac_cv_c_tclconfig}" = x ; then
     use_tcl=no
-    { $as_echo "$as_me:$LINENO: WARNING: Can't find Tcl configuration definitions" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Can't find Tcl configuration definitions" >&5
 $as_echo "$as_me: WARNING: Can't find Tcl configuration definitions" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: *** Without Tcl the regression tests cannot be executed ***" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: *** Without Tcl the regression tests cannot be executed ***" >&5
 $as_echo "$as_me: WARNING: *** Without Tcl the regression tests cannot be executed ***" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: *** Consider using --with-tcl=... to define location of Tcl ***" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: *** Consider using --with-tcl=... to define location of Tcl ***" >&5
 $as_echo "$as_me: WARNING: *** Consider using --with-tcl=... to define location of Tcl ***" >&2;}
   else
     TCL_BIN_DIR=${ac_cv_c_tclconfig}
-    { $as_echo "$as_me:$LINENO: result: found $TCL_BIN_DIR/tclConfig.sh" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: result: found $TCL_BIN_DIR/tclConfig.sh" >&5
 $as_echo "found $TCL_BIN_DIR/tclConfig.sh" >&6; }
 
-    { $as_echo "$as_me:$LINENO: checking for existence of $TCL_BIN_DIR/tclConfig.sh" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for existence of $TCL_BIN_DIR/tclConfig.sh" >&5
 $as_echo_n "checking for existence of $TCL_BIN_DIR/tclConfig.sh... " >&6; }
     if test -f "$TCL_BIN_DIR/tclConfig.sh" ; then
-      { $as_echo "$as_me:$LINENO: result: loading" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: loading" >&5
 $as_echo "loading" >&6; }
       . $TCL_BIN_DIR/tclConfig.sh
     else
-      { $as_echo "$as_me:$LINENO: result: file not found" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: file not found" >&5
 $as_echo "file not found" >&6; }
     fi
 
@@ -12925,7 +10916,7 @@ TARGET_READLINE_LIBS=""
 TARGET_READLINE_INC=""
 TARGET_HAVE_READLINE=0
 # Check whether --enable-readline was given.
-if test "${enable_readline+set}" = set; then
+if test "${enable_readline+set}" = set; then :
   enableval=$enable_readline; with_readline=$enableval
 else
   with_readline=auto
@@ -12937,7 +10928,7 @@ if test x"$with_readline" != xno; then
 
 
 # Check whether --with-readline-lib was given.
-if test "${with_readline_lib+set}" = set; then
+if test "${with_readline_lib+set}" = set; then :
   withval=$with_readline_lib; with_readline_lib=$withval
 else
   with_readline_lib="auto"
@@ -12946,17 +10937,13 @@ fi
 	if test "x$with_readline_lib" = xauto; then
 		save_LIBS="$LIBS"
 		LIBS=""
-		{ $as_echo "$as_me:$LINENO: checking for library containing tgetent" >&5
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing tgetent" >&5
 $as_echo_n "checking for library containing tgetent... " >&6; }
-if test "${ac_cv_search_tgetent+set}" = set; then
+if ${ac_cv_search_tgetent+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -12981,72 +10968,41 @@ for ac_lib in '' readline ncurses curses termcap; do
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+  if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_tgetent=$ac_res
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext
-  if test "${ac_cv_search_tgetent+set}" = set; then
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if ${ac_cv_search_tgetent+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_tgetent+set}" = set; then
-  :
+if ${ac_cv_search_tgetent+:} false; then :
+
 else
   ac_cv_search_tgetent=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_search_tgetent" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_tgetent" >&5
 $as_echo "$ac_cv_search_tgetent" >&6; }
 ac_res=$ac_cv_search_tgetent
-if test "$ac_res" != no; then
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
   term_LIBS="$LIBS"
 else
   term_LIBS=""
 fi
 
-		{ $as_echo "$as_me:$LINENO: checking for readline in -lreadline" >&5
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for readline in -lreadline" >&5
 $as_echo_n "checking for readline in -lreadline... " >&6; }
-if test "${ac_cv_lib_readline_readline+set}" = set; then
+if ${ac_cv_lib_readline_readline+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_check_lib_save_LIBS=$LIBS
 LIBS="-lreadline  $LIBS"
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -13064,43 +11020,18 @@ return readline ();
   return 0;
 }
 _ACEOF
-rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_lib_readline_readline=yes
 else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_cv_lib_readline_readline=no
+  ac_cv_lib_readline_readline=no
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
 LIBS=$ac_check_lib_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_lib_readline_readline" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_readline_readline" >&5
 $as_echo "$ac_cv_lib_readline_readline" >&6; }
-if test $ac_cv_lib_readline_readline = yes; then
+if test "x$ac_cv_lib_readline_readline" = xyes; then :
   TARGET_READLINE_LIBS="-lreadline"
 else
   found="no"
@@ -13114,141 +11045,15 @@ fi
 
 
 # Check whether --with-readline-inc was given.
-if test "${with_readline_inc+set}" = set; then
+if test "${with_readline_inc+set}" = set; then :
   withval=$with_readline_inc; with_readline_inc=$withval
 else
   with_readline_inc="auto"
 fi
 
 	if test "x$with_readline_inc" = xauto; then
-		if test "${ac_cv_header_readline_h+set}" = set; then
-  { $as_echo "$as_me:$LINENO: checking for readline.h" >&5
-$as_echo_n "checking for readline.h... " >&6; }
-if test "${ac_cv_header_readline_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_readline_h" >&5
-$as_echo "$ac_cv_header_readline_h" >&6; }
-else
-  # Is the header compilable?
-{ $as_echo "$as_me:$LINENO: checking readline.h usability" >&5
-$as_echo_n "checking readline.h usability... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-$ac_includes_default
-#include <readline.h>
-_ACEOF
-rm -f conftest.$ac_objext
-if { (ac_try="$ac_compile"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_compile") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest.$ac_objext; then
-  ac_header_compiler=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-	ac_header_compiler=no
-fi
-
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
-$as_echo "$ac_header_compiler" >&6; }
-
-# Is the header present?
-{ $as_echo "$as_me:$LINENO: checking readline.h presence" >&5
-$as_echo_n "checking readline.h presence... " >&6; }
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
-/* end confdefs.h.  */
-#include <readline.h>
-_ACEOF
-if { (ac_try="$ac_cpp conftest.$ac_ext"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } >/dev/null && {
-	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       }; then
-  ac_header_preproc=yes
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-  ac_header_preproc=no
-fi
-
-rm -f conftest.err conftest.$ac_ext
-{ $as_echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
-$as_echo "$ac_header_preproc" >&6; }
-
-# So?  What about this header?
-case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
-  yes:no: )
-    { $as_echo "$as_me:$LINENO: WARNING: readline.h: accepted by the compiler, rejected by the preprocessor!" >&5
-$as_echo "$as_me: WARNING: readline.h: accepted by the compiler, rejected by the preprocessor!" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: readline.h: proceeding with the compiler's result" >&5
-$as_echo "$as_me: WARNING: readline.h: proceeding with the compiler's result" >&2;}
-    ac_header_preproc=yes
-    ;;
-  no:yes:* )
-    { $as_echo "$as_me:$LINENO: WARNING: readline.h: present but cannot be compiled" >&5
-$as_echo "$as_me: WARNING: readline.h: present but cannot be compiled" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: readline.h:     check for missing prerequisite headers?" >&5
-$as_echo "$as_me: WARNING: readline.h:     check for missing prerequisite headers?" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: readline.h: see the Autoconf documentation" >&5
-$as_echo "$as_me: WARNING: readline.h: see the Autoconf documentation" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: readline.h:     section \"Present But Cannot Be Compiled\"" >&5
-$as_echo "$as_me: WARNING: readline.h:     section \"Present But Cannot Be Compiled\"" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: readline.h: proceeding with the preprocessor's result" >&5
-$as_echo "$as_me: WARNING: readline.h: proceeding with the preprocessor's result" >&2;}
-    { $as_echo "$as_me:$LINENO: WARNING: readline.h: in the future, the compiler will take precedence" >&5
-$as_echo "$as_me: WARNING: readline.h: in the future, the compiler will take precedence" >&2;}
-
-    ;;
-esac
-{ $as_echo "$as_me:$LINENO: checking for readline.h" >&5
-$as_echo_n "checking for readline.h... " >&6; }
-if test "${ac_cv_header_readline_h+set}" = set; then
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_header_readline_h=$ac_header_preproc
-fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_header_readline_h" >&5
-$as_echo "$ac_cv_header_readline_h" >&6; }
-
-fi
-if test $ac_cv_header_readline_h = yes; then
+		ac_fn_c_check_header_mongrel "$LINENO" "readline.h" "ac_cv_header_readline_h" "$ac_includes_default"
+if test "x$ac_cv_header_readline_h" = xyes; then :
   found="yes"
 else
 
@@ -13257,27 +11062,23 @@ else
 				for dir in /usr /usr/local /usr/local/readline /usr/contrib /mingw; do
 					for subdir in include include/readline; do
 						as_ac_File=`$as_echo "ac_cv_file_$dir/$subdir/readline.h" | $as_tr_sh`
-{ $as_echo "$as_me:$LINENO: checking for $dir/$subdir/readline.h" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $dir/$subdir/readline.h" >&5
 $as_echo_n "checking for $dir/$subdir/readline.h... " >&6; }
-if { as_var=$as_ac_File; eval "test \"\${$as_var+set}\" = set"; }; then
+if eval \${$as_ac_File+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   test "$cross_compiling" = yes &&
-  { { $as_echo "$as_me:$LINENO: error: cannot check for file existence when cross compiling" >&5
-$as_echo "$as_me: error: cannot check for file existence when cross compiling" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "cannot check for file existence when cross compiling" "$LINENO" 5
 if test -r "$dir/$subdir/readline.h"; then
   eval "$as_ac_File=yes"
 else
   eval "$as_ac_File=no"
 fi
 fi
-ac_res=`eval 'as_val=${'$as_ac_File'}
-		 $as_echo "$as_val"'`
-	       { $as_echo "$as_me:$LINENO: result: $ac_res" >&5
+eval ac_res=\$$as_ac_File
+	       { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
 $as_echo "$ac_res" >&6; }
-if test `eval 'as_val=${'$as_ac_File'}
-		 $as_echo "$as_val"'` = yes; then
+if eval test \"x\$"$as_ac_File"\" = x"yes"; then :
   found=yes
 fi
 
@@ -13314,17 +11115,13 @@ fi
 # Figure out what C libraries are required to compile programs
 # that use "fdatasync()" function.
 #
-{ $as_echo "$as_me:$LINENO: checking for library containing fdatasync" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing fdatasync" >&5
 $as_echo_n "checking for library containing fdatasync... " >&6; }
-if test "${ac_cv_search_fdatasync+set}" = set; then
+if ${ac_cv_search_fdatasync+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -13349,54 +11146,27 @@ for ac_lib in '' rt; do
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+  if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_fdatasync=$ac_res
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext
-  if test "${ac_cv_search_fdatasync+set}" = set; then
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if ${ac_cv_search_fdatasync+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_fdatasync+set}" = set; then
-  :
+if ${ac_cv_search_fdatasync+:} false; then :
+
 else
   ac_cv_search_fdatasync=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_search_fdatasync" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_fdatasync" >&5
 $as_echo "$ac_cv_search_fdatasync" >&6; }
 ac_res=$ac_cv_search_fdatasync
-if test "$ac_res" != no; then
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
@@ -13405,7 +11175,7 @@ fi
 #########
 # check for debug enabled
 # Check whether --enable-debug was given.
-if test "${enable_debug+set}" = set; then
+if test "${enable_debug+set}" = set; then :
   enableval=$enable_debug; use_debug=$enableval
 else
   use_debug=no
@@ -13421,7 +11191,7 @@ fi
 #########
 # See whether we should use the amalgamation to build
 # Check whether --enable-amalgamation was given.
-if test "${enable_amalgamation+set}" = set; then
+if test "${enable_amalgamation+set}" = set; then :
   enableval=$enable_amalgamation; use_amalgamation=$enableval
 else
   use_amalgamation=yes
@@ -13435,7 +11205,7 @@ fi
 #########
 # See whether we should allow loadable extensions
 # Check whether --enable-load-extension was given.
-if test "${enable_load_extension+set}" = set; then
+if test "${enable_load_extension+set}" = set; then :
   enableval=$enable_load_extension; use_loadextension=$enableval
 else
   use_loadextension=no
@@ -13443,17 +11213,13 @@ fi
 
 if test "${use_loadextension}" = "yes" ; then
   OPT_FEATURE_FLAGS=""
-  { $as_echo "$as_me:$LINENO: checking for library containing dlopen" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
 $as_echo_n "checking for library containing dlopen... " >&6; }
-if test "${ac_cv_search_dlopen+set}" = set; then
+if ${ac_cv_search_dlopen+:} false; then :
   $as_echo_n "(cached) " >&6
 else
   ac_func_search_save_LIBS=$LIBS
-cat >conftest.$ac_ext <<_ACEOF
-/* confdefs.h.  */
-_ACEOF
-cat confdefs.h >>conftest.$ac_ext
-cat >>conftest.$ac_ext <<_ACEOF
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
@@ -13478,54 +11244,27 @@ for ac_lib in '' dl; do
     ac_res=-l$ac_lib
     LIBS="-l$ac_lib  $ac_func_search_save_LIBS"
   fi
-  rm -f conftest.$ac_objext conftest$ac_exeext
-if { (ac_try="$ac_link"
-case "(($ac_try" in
-  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
-  *) ac_try_echo=$ac_try;;
-esac
-eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
-$as_echo "$ac_try_echo") >&5
-  (eval "$ac_link") 2>conftest.er1
-  ac_status=$?
-  grep -v '^ *+' conftest.er1 >conftest.err
-  rm -f conftest.er1
-  cat conftest.err >&5
-  $as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
-  (exit $ac_status); } && {
-	 test -z "$ac_c_werror_flag" ||
-	 test ! -s conftest.err
-       } && test -s conftest$ac_exeext && {
-	 test "$cross_compiling" = yes ||
-	 $as_test_x conftest$ac_exeext
-       }; then
+  if ac_fn_c_try_link "$LINENO"; then :
   ac_cv_search_dlopen=$ac_res
-else
-  $as_echo "$as_me: failed program was:" >&5
-sed 's/^/| /' conftest.$ac_ext >&5
-
-
 fi
-
-rm -rf conftest.dSYM
-rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
-      conftest$ac_exeext
-  if test "${ac_cv_search_dlopen+set}" = set; then
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext
+  if ${ac_cv_search_dlopen+:} false; then :
   break
 fi
 done
-if test "${ac_cv_search_dlopen+set}" = set; then
-  :
+if ${ac_cv_search_dlopen+:} false; then :
+
 else
   ac_cv_search_dlopen=no
 fi
 rm conftest.$ac_ext
 LIBS=$ac_func_search_save_LIBS
 fi
-{ $as_echo "$as_me:$LINENO: result: $ac_cv_search_dlopen" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dlopen" >&5
 $as_echo "$ac_cv_search_dlopen" >&6; }
 ac_res=$ac_cv_search_dlopen
-if test "$ac_res" != no; then
+if test "$ac_res" != no; then :
   test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
 
 fi
@@ -13588,7 +11327,7 @@ BUILD_CFLAGS=$ac_temp_BUILD_CFLAGS
 #########
 # See whether we should use GCOV
 # Check whether --enable-gcov was given.
-if test "${enable_gcov+set}" = set; then
+if test "${enable_gcov+set}" = set; then :
   enableval=$enable_gcov; use_gcov=$enableval
 else
   use_gcov=no
@@ -13640,13 +11379,13 @@ _ACEOF
     case $ac_val in #(
     *${as_nl}*)
       case $ac_var in #(
-      *_cv_*) { $as_echo "$as_me:$LINENO: WARNING: Cache variable $ac_var contains a newline." >&5
-$as_echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
+      *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5
+$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;;
       esac
       case $ac_var in #(
       _ | IFS | as_nl) ;; #(
       BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #(
-      *) $as_unset $ac_var ;;
+      *) { eval $ac_var=; unset $ac_var;} ;;
       esac ;;
     esac
   done
@@ -13654,8 +11393,8 @@ $as_echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
   (set) 2>&1 |
     case $as_nl`(ac_space=' '; set) 2>&1` in #(
     *${as_nl}ac_space=\ *)
-      # `set' does not quote correctly, so add quotes (double-quote
-      # substitution turns \\\\ into \\, and sed turns \\ into \).
+      # `set' does not quote correctly, so add quotes: double-quote
+      # substitution turns \\\\ into \\, and sed turns \\ into \.
       sed -n \
 	"s/'/'\\\\''/g;
 	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
@@ -13677,12 +11416,23 @@ $as_echo "$as_me: WARNING: Cache variable $ac_var contains a newline." >&2;} ;;
      :end' >>confcache
 if diff "$cache_file" confcache >/dev/null 2>&1; then :; else
   if test -w "$cache_file"; then
-    test "x$cache_file" != "x/dev/null" &&
-      { $as_echo "$as_me:$LINENO: updating cache $cache_file" >&5
+    if test "x$cache_file" != "x/dev/null"; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5
 $as_echo "$as_me: updating cache $cache_file" >&6;}
-    cat confcache >$cache_file
+      if test ! -f "$cache_file" || test -h "$cache_file"; then
+	cat confcache >"$cache_file"
+      else
+        case $cache_file in #(
+        */* | ?:*)
+	  mv -f confcache "$cache_file"$$ &&
+	  mv -f "$cache_file"$$ "$cache_file" ;; #(
+        *)
+	  mv -f confcache "$cache_file" ;;
+	esac
+      fi
+    fi
   else
-    { $as_echo "$as_me:$LINENO: not updating unwritable cache $cache_file" >&5
+    { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
 $as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
   fi
 fi
@@ -13696,14 +11446,15 @@ DEFS=-DHAVE_CONFIG_H
 
 ac_libobjs=
 ac_ltlibobjs=
+U=
 for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
   # 1. Remove the extension, and $U if already installed.
   ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
   ac_i=`$as_echo "$ac_i" | sed "$ac_script"`
   # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
   #    will be set to the directory where LIBOBJS objects are built.
-  ac_libobjs="$ac_libobjs \${LIBOBJDIR}$ac_i\$U.$ac_objext"
-  ac_ltlibobjs="$ac_ltlibobjs \${LIBOBJDIR}$ac_i"'$U.lo'
+  as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext"
+  as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo'
 done
 LIBOBJS=$ac_libobjs
 
@@ -13711,13 +11462,14 @@ LTLIBOBJS=$ac_ltlibobjs
 
 
 
-: ${CONFIG_STATUS=./config.status}
+: "${CONFIG_STATUS=./config.status}"
 ac_write_fail=0
 ac_clean_files_save=$ac_clean_files
 ac_clean_files="$ac_clean_files $CONFIG_STATUS"
-{ $as_echo "$as_me:$LINENO: creating $CONFIG_STATUS" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5
 $as_echo "$as_me: creating $CONFIG_STATUS" >&6;}
-cat >$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+as_write_fail=0
+cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1
 #! $SHELL
 # Generated by $as_me.
 # Run this file to recreate the current configuration.
@@ -13727,17 +11479,18 @@ cat >$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 debug=false
 ac_cs_recheck=false
 ac_cs_silent=false
-SHELL=\${CONFIG_SHELL-$SHELL}
-_ACEOF
 
-cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-## --------------------- ##
-## M4sh Initialization.  ##
-## --------------------- ##
+SHELL=\${CONFIG_SHELL-$SHELL}
+export SHELL
+_ASEOF
+cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
+## -------------------- ##
+## M4sh Initialization. ##
+## -------------------- ##
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
+if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then :
   emulate sh
   NULLCMD=:
   # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
@@ -13745,23 +11498,15 @@ if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
 else
-  case `(set -o) 2>/dev/null` in
-  *posix*) set -o posix ;;
+  case `(set -o) 2>/dev/null` in #(
+  *posix*) :
+    set -o posix ;; #(
+  *) :
+     ;;
 esac
-
 fi
 
 
-
-
-# PATH needs CR
-# Avoid depending upon Character Ranges.
-as_cr_letters='abcdefghijklmnopqrstuvwxyz'
-as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
-as_cr_Letters=$as_cr_letters$as_cr_LETTERS
-as_cr_digits='0123456789'
-as_cr_alnum=$as_cr_Letters$as_cr_digits
-
 as_nl='
 '
 export as_nl
@@ -13769,7 +11514,13 @@ export as_nl
 as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'
 as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo
 as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo
-if (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
+# Prefer a ksh shell builtin over an external printf program on Solaris,
+# but without wasting forks for bash or zsh.
+if test -z "$BASH_VERSION$ZSH_VERSION" \
+    && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then
+  as_echo='print -r --'
+  as_echo_n='print -rn --'
+elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then
   as_echo='printf %s\n'
   as_echo_n='printf %s'
 else
@@ -13780,7 +11531,7 @@ else
     as_echo_body='eval expr "X$1" : "X\\(.*\\)"'
     as_echo_n_body='eval
       arg=$1;
-      case $arg in
+      case $arg in #(
       *"$as_nl"*)
 	expr "X$arg" : "X\\(.*\\)$as_nl";
 	arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;;
@@ -13803,13 +11554,6 @@ if test "${PATH_SEPARATOR+set}" != set; then
   }
 fi
 
-# Support unset when possible.
-if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
-  as_unset=unset
-else
-  as_unset=false
-fi
-
 
 # IFS
 # We need space, tab and new line, in precisely that order.  Quoting is
@@ -13819,15 +11563,16 @@ fi
 IFS=" ""	$as_nl"
 
 # Find who we are.  Look in the path if we contain no directory separator.
-case $0 in
+as_myself=
+case $0 in #((
   *[\\/]* ) as_myself=$0 ;;
   *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
   test -z "$as_dir" && as_dir=.
-  test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
-done
+    test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break
+  done
 IFS=$as_save_IFS
 
      ;;
@@ -13839,12 +11584,16 @@ if test "x$as_myself" = x; then
 fi
 if test ! -f "$as_myself"; then
   $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2
-  { (exit 1); exit 1; }
+  exit 1
 fi
 
-# Work around bugs in pre-3.0 UWIN ksh.
-for as_var in ENV MAIL MAILPATH
-do ($as_unset $as_var) >/dev/null 2>&1 && $as_unset $as_var
+# Unset variables that we do not need and which cause bugs (e.g. in
+# pre-3.0 UWIN ksh).  But do not cause bugs in bash 2.01; the "|| exit 1"
+# suppresses any "Segmentation fault" message there.  '((' could
+# trigger a bug in pdksh 5.2.14.
+for as_var in BASH_ENV ENV MAIL MAILPATH
+do eval test x\${$as_var+set} = xset \
+  && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || :
 done
 PS1='$ '
 PS2='> '
@@ -13856,7 +11605,89 @@ export LC_ALL
 LANGUAGE=C
 export LANGUAGE
 
-# Required to use basename.
+# CDPATH.
+(unset CDPATH) >/dev/null 2>&1 && unset CDPATH
+
+
+# as_fn_error STATUS ERROR [LINENO LOG_FD]
+# ----------------------------------------
+# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are
+# provided, also output the error to LOG_FD, referencing LINENO. Then exit the
+# script with STATUS, using 1 if that was 0.
+as_fn_error ()
+{
+  as_status=$1; test $as_status -eq 0 && as_status=1
+  if test "$4"; then
+    as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+    $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4
+  fi
+  $as_echo "$as_me: error: $2" >&2
+  as_fn_exit $as_status
+} # as_fn_error
+
+
+# as_fn_set_status STATUS
+# -----------------------
+# Set $? to STATUS, without forking.
+as_fn_set_status ()
+{
+  return $1
+} # as_fn_set_status
+
+# as_fn_exit STATUS
+# -----------------
+# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
+as_fn_exit ()
+{
+  set +e
+  as_fn_set_status $1
+  exit $1
+} # as_fn_exit
+
+# as_fn_unset VAR
+# ---------------
+# Portably unset VAR.
+as_fn_unset ()
+{
+  { eval $1=; unset $1;}
+}
+as_unset=as_fn_unset
+# as_fn_append VAR VALUE
+# ----------------------
+# Append the text in VALUE to the end of the definition contained in VAR. Take
+# advantage of any shell optimizations that allow amortized linear growth over
+# repeated appends, instead of the typical quadratic growth present in naive
+# implementations.
+if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then :
+  eval 'as_fn_append ()
+  {
+    eval $1+=\$2
+  }'
+else
+  as_fn_append ()
+  {
+    eval $1=\$$1\$2
+  }
+fi # as_fn_append
+
+# as_fn_arith ARG...
+# ------------------
+# Perform arithmetic evaluation on the ARGs, and store the result in the
+# global $as_val. Take advantage of shells that can avoid forks. The arguments
+# must be portable across $(()) and expr.
+if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
+  eval 'as_fn_arith ()
+  {
+    as_val=$(( $* ))
+  }'
+else
+  as_fn_arith ()
+  {
+    as_val=`expr "$@" || test $? -eq 1`
+  }
+fi # as_fn_arith
+
+
 if expr a : '\(a\)' >/dev/null 2>&1 &&
    test "X`expr 00001 : '.*\(...\)'`" = X001; then
   as_expr=expr
@@ -13870,8 +11701,12 @@ else
   as_basename=false
 fi
 
+if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
+  as_dirname=dirname
+else
+  as_dirname=false
+fi
 
-# Name of the executable.
 as_me=`$as_basename -- "$0" ||
 $as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
 	 X"$0" : 'X\(//\)$' \| \
@@ -13891,76 +11726,25 @@ $as_echo X/"$0" |
 	  }
 	  s/.*/./; q'`
 
-# CDPATH.
-$as_unset CDPATH
-
-
-
-  as_lineno_1=$LINENO
-  as_lineno_2=$LINENO
-  test "x$as_lineno_1" != "x$as_lineno_2" &&
-  test "x`expr $as_lineno_1 + 1`" = "x$as_lineno_2" || {
-
-  # Create $as_me.lineno as a copy of $as_myself, but with $LINENO
-  # uniformly replaced by the line number.  The first 'sed' inserts a
-  # line-number line after each line using $LINENO; the second 'sed'
-  # does the real work.  The second script uses 'N' to pair each
-  # line-number line with the line containing $LINENO, and appends
-  # trailing '-' during substitution so that $LINENO is not a special
-  # case at line end.
-  # (Raja R Harinath suggested sed '=', and Paul Eggert wrote the
-  # scripts with optimization help from Paolo Bonzini.  Blame Lee
-  # E. McMahon (1931-1989) for sed's syntax.  :-)
-  sed -n '
-    p
-    /[$]LINENO/=
-  ' <$as_myself |
-    sed '
-      s/[$]LINENO.*/&-/
-      t lineno
-      b
-      :lineno
-      N
-      :loop
-      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
-      t loop
-      s/-\n.*//
-    ' >$as_me.lineno &&
-  chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2
-   { (exit 1); exit 1; }; }
-
-  # Don't try to exec as it changes $[0], causing all sort of problems
-  # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensitive to this).
-  . "./$as_me.lineno"
-  # Exit status is that of the last command.
-  exit
-}
-
-
-if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then
-  as_dirname=dirname
-else
-  as_dirname=false
-fi
+# Avoid depending upon Character Ranges.
+as_cr_letters='abcdefghijklmnopqrstuvwxyz'
+as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
+as_cr_Letters=$as_cr_letters$as_cr_LETTERS
+as_cr_digits='0123456789'
+as_cr_alnum=$as_cr_Letters$as_cr_digits
 
 ECHO_C= ECHO_N= ECHO_T=
-case `echo -n x` in
+case `echo -n x` in #(((((
 -n*)
-  case `echo 'x\c'` in
+  case `echo 'xy\c'` in
   *c*) ECHO_T='	';;	# ECHO_T is single tab character.
-  *)   ECHO_C='\c';;
+  xy)  ECHO_C='\c';;
+  *)   echo `echo ksh88 bug on AIX 6.1` > /dev/null
+       ECHO_T='	';;
   esac;;
 *)
   ECHO_N='-n';;
 esac
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
-  as_expr=expr
-else
-  as_expr=false
-fi
 
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
@@ -13989,8 +11773,56 @@ fi
 rm -f conf$$ conf$$.exe conf$$.dir/conf$$.file conf$$.file
 rmdir conf$$.dir 2>/dev/null
 
+
+# as_fn_mkdir_p
+# -------------
+# Create "$as_dir" as a directory, including parents if necessary.
+as_fn_mkdir_p ()
+{
+
+  case $as_dir in #(
+  -*) as_dir=./$as_dir;;
+  esac
+  test -d "$as_dir" || eval $as_mkdir_p || {
+    as_dirs=
+    while :; do
+      case $as_dir in #(
+      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
+      *) as_qdir=$as_dir;;
+      esac
+      as_dirs="'$as_qdir' $as_dirs"
+      as_dir=`$as_dirname -- "$as_dir" ||
+$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
+	 X"$as_dir" : 'X\(//\)[^/]' \| \
+	 X"$as_dir" : 'X\(//\)$' \| \
+	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
+$as_echo X"$as_dir" |
+    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)[^/].*/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\/\)$/{
+	    s//\1/
+	    q
+	  }
+	  /^X\(\/\).*/{
+	    s//\1/
+	    q
+	  }
+	  s/.*/./; q'`
+      test -d "$as_dir" && break
+    done
+    test -z "$as_dirs" || eval "mkdir $as_dirs"
+  } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir"
+
+
+} # as_fn_mkdir_p
 if mkdir -p . 2>/dev/null; then
-  as_mkdir_p=:
+  as_mkdir_p='mkdir -p "$as_dir"'
 else
   test -d ./-p && rmdir ./-p
   as_mkdir_p=false
@@ -14009,10 +11841,10 @@ else
       if test -d "$1"; then
 	test -d "$1/.";
       else
-	case $1 in
+	case $1 in #(
 	-*)set "./$1";;
 	esac;
-	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in
+	case `ls -ld'$as_ls_L_option' "$1" 2>/dev/null` in #((
 	???[sx]*):;;*)false;;esac;fi
     '\'' sh
   '
@@ -14027,13 +11859,19 @@ as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
 exec 6>&1
+## ----------------------------------- ##
+## Main body of $CONFIG_STATUS script. ##
+## ----------------------------------- ##
+_ASEOF
+test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1
 
-# Save the log message, to keep $[0] and so on meaningful, and to
+cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
+# Save the log message, to keep $0 and so on meaningful, and to
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by sqlite $as_me 3.7.13, which was
-generated by GNU Autoconf 2.62.  Invocation command line was
+This file was extended by sqlite $as_me 3.7.14.1, which was
+generated by GNU Autoconf 2.68.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -14046,6 +11884,15 @@ on `(hostname || uname -n) 2>/dev/null | sed 1q`
 
 _ACEOF
 
+case $ac_config_files in *"
+"*) set x $ac_config_files; shift; ac_config_files=$*;;
+esac
+
+case $ac_config_headers in *"
+"*) set x $ac_config_headers; shift; ac_config_headers=$*;;
+esac
+
+
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 # Files that config.status was made for.
 config_files="$ac_config_files"
@@ -14056,19 +11903,22 @@ _ACEOF
 
 cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 ac_cs_usage="\
-\`$as_me' instantiates files from templates according to the
-current configuration.
+\`$as_me' instantiates files and other configuration actions
+from templates according to the current configuration.  Unless the files
+and actions are specified as TAGs, all are instantiated by default.
 
-Usage: $0 [OPTIONS] [FILE]...
+Usage: $0 [OPTION]... [TAG]...
 
   -h, --help       print this help, then exit
   -V, --version    print version number and configuration settings, then exit
-  -q, --quiet      do not print progress messages
+      --config     print configuration, then exit
+  -q, --quiet, --silent
+                   do not print progress messages
   -d, --debug      don't remove temporary files
       --recheck    update $as_me by reconfiguring in the same conditions
-  --file=FILE[:TEMPLATE]
+      --file=FILE[:TEMPLATE]
                    instantiate the configuration file FILE
-  --header=FILE[:TEMPLATE]
+      --header=FILE[:TEMPLATE]
                    instantiate the configuration header FILE
 
 Configuration files:
@@ -14080,16 +11930,17 @@ $config_headers
 Configuration commands:
 $config_commands
 
-Report bugs to <bug-autoconf@gnu.org>."
+Report bugs to the package provider."
 
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
+ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-sqlite config.status 3.7.13
-configured by $0, generated by GNU Autoconf 2.62,
-  with options \\"`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
+sqlite config.status 3.7.14.1
+configured by $0, generated by GNU Autoconf 2.68,
+  with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2008 Free Software Foundation, Inc.
+Copyright (C) 2010 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -14106,11 +11957,16 @@ ac_need_defaults=:
 while test $# != 0
 do
   case $1 in
-  --*=*)
+  --*=?*)
     ac_option=`expr "X$1" : 'X\([^=]*\)='`
     ac_optarg=`expr "X$1" : 'X[^=]*=\(.*\)'`
     ac_shift=:
     ;;
+  --*=)
+    ac_option=`expr "X$1" : 'X\([^=]*\)='`
+    ac_optarg=
+    ac_shift=:
+    ;;
   *)
     ac_option=$1
     ac_optarg=$2
@@ -14124,27 +11980,29 @@ do
     ac_cs_recheck=: ;;
   --version | --versio | --versi | --vers | --ver | --ve | --v | -V )
     $as_echo "$ac_cs_version"; exit ;;
+  --config | --confi | --conf | --con | --co | --c )
+    $as_echo "$ac_cs_config"; exit ;;
   --debug | --debu | --deb | --de | --d | -d )
     debug=: ;;
   --file | --fil | --fi | --f )
     $ac_shift
     case $ac_optarg in
     *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
+    '') as_fn_error $? "missing file argument" ;;
     esac
-    CONFIG_FILES="$CONFIG_FILES '$ac_optarg'"
+    as_fn_append CONFIG_FILES " '$ac_optarg'"
     ac_need_defaults=false;;
   --header | --heade | --head | --hea )
     $ac_shift
     case $ac_optarg in
     *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;;
     esac
-    CONFIG_HEADERS="$CONFIG_HEADERS '$ac_optarg'"
+    as_fn_append CONFIG_HEADERS " '$ac_optarg'"
     ac_need_defaults=false;;
   --he | --h)
     # Conflict between --help and --header
-    { $as_echo "$as_me: error: ambiguous option: $1
-Try \`$0 --help' for more information." >&2
-   { (exit 1); exit 1; }; };;
+    as_fn_error $? "ambiguous option: \`$1'
+Try \`$0 --help' for more information.";;
   --help | --hel | -h )
     $as_echo "$ac_cs_usage"; exit ;;
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
@@ -14152,11 +12010,10 @@ Try \`$0 --help' for more information." >&2
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) { $as_echo "$as_me: error: unrecognized option: $1
-Try \`$0 --help' for more information." >&2
-   { (exit 1); exit 1; }; } ;;
+  -*) as_fn_error $? "unrecognized option: \`$1'
+Try \`$0 --help' for more information." ;;
 
-  *) ac_config_targets="$ac_config_targets $1"
+  *) as_fn_append ac_config_targets " $1"
      ac_need_defaults=false ;;
 
   esac
@@ -14466,9 +12323,7 @@ do
     "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
     "sqlite3.pc") CONFIG_FILES="$CONFIG_FILES sqlite3.pc" ;;
 
-  *) { { $as_echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
-$as_echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
-   { (exit 1); exit 1; }; };;
+  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
@@ -14491,26 +12346,24 @@ fi
 # after its creation but before its name has been assigned to `$tmp'.
 $debug ||
 {
-  tmp=
+  tmp= ac_tmp=
   trap 'exit_status=$?
-  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
+  : "${ac_tmp:=$tmp}"
+  { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status
 ' 0
-  trap '{ (exit 1); exit 1; }' 1 2 13 15
+  trap 'as_fn_exit 1' 1 2 13 15
 }
 # Create a (secure) tmp directory for tmp files.
 
 {
   tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
-  test -n "$tmp" && test -d "$tmp"
+  test -d "$tmp"
 }  ||
 {
   tmp=./conf$$-$RANDOM
   (umask 077 && mkdir "$tmp")
-} ||
-{
-   $as_echo "$as_me: cannot create a temporary directory in ." >&2
-   { (exit 1); exit 1; }
-}
+} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5
+ac_tmp=$tmp
 
 # Set up the scripts for CONFIG_FILES section.
 # No need to generate them if there are no CONFIG_FILES.
@@ -14518,7 +12371,13 @@ $debug ||
 if test -n "$CONFIG_FILES"; then
 
 
-ac_cr='
'
+ac_cr=`echo X | tr X '\015'`
+# On cygwin, bash can eat \r inside `` if the user requested igncr.
+# But we know of no other shell where ac_cr would be empty at this
+# point, so we can use a bashism as a fallback.
+if test "x$ac_cr" = x; then
+  eval ac_cr=\$\'\\r\'
+fi
 ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
 if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
   ac_cs_awk_cr='\\r'
@@ -14526,7 +12385,7 @@ else
   ac_cs_awk_cr=$ac_cr
 fi
 
-echo 'BEGIN {' >"$tmp/subs1.awk" &&
+echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
 _ACEOF
 
 
@@ -14535,23 +12394,18 @@ _ACEOF
   echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' &&
   echo "_ACEOF"
 } >conf$$subs.sh ||
-  { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
-$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
-   { (exit 1); exit 1; }; }
-ac_delim_num=`echo "$ac_subst_vars" | grep -c '$'`
+  as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
+ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'`
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
   . ./conf$$subs.sh ||
-    { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
-$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` = $ac_delim_num; then
+  ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X`
+  if test $ac_delim_n = $ac_delim_num; then
     break
   elif $ac_last_try; then
-    { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
-$as_echo "$as_me: error: could not make $CONFIG_STATUS" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
@@ -14559,7 +12413,7 @@ done
 rm -f conf$$subs.sh
 
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
-cat >>"\$tmp/subs1.awk" <<\\_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<\\_ACAWK &&
 _ACEOF
 sed -n '
 h
@@ -14573,7 +12427,7 @@ s/'"$ac_delim"'$//
 t delim
 :nl
 h
-s/\(.\{148\}\).*/\1/
+s/\(.\{148\}\)..*/\1/
 t more1
 s/["\\]/\\&/g; s/^/"/; s/$/\\n"\\/
 p
@@ -14587,7 +12441,7 @@ s/.\{148\}//
 t nl
 :delim
 h
-s/\(.\{148\}\).*/\1/
+s/\(.\{148\}\)..*/\1/
 t more2
 s/["\\]/\\&/g; s/^/"/; s/$/"/
 p
@@ -14607,7 +12461,7 @@ t delim
 rm -f conf$$subs.awk
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _ACAWK
-cat >>"\$tmp/subs1.awk" <<_ACAWK &&
+cat >>"\$ac_tmp/subs1.awk" <<_ACAWK &&
   for (key in S) S_is_set[key] = 1
   FS = ""
 
@@ -14639,23 +12493,29 @@ if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
   sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
 else
   cat
-fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
-  || { { $as_echo "$as_me:$LINENO: error: could not setup config files machinery" >&5
-$as_echo "$as_me: error: could not setup config files machinery" >&2;}
-   { (exit 1); exit 1; }; }
+fi < "$ac_tmp/subs1.awk" > "$ac_tmp/subs.awk" \
+  || as_fn_error $? "could not setup config files machinery" "$LINENO" 5
 _ACEOF
 
-# VPATH may cause trouble with some makes, so we remove $(srcdir),
-# ${srcdir} and @srcdir@ from VPATH if srcdir is ".", strip leading and
+# VPATH may cause trouble with some makes, so we remove sole $(srcdir),
+# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and
 # trailing colons and then remove the whole line if VPATH becomes empty
 # (actually we leave an empty line to preserve line numbers).
 if test "x$srcdir" = x.; then
-  ac_vpsub='/^[	 ]*VPATH[	 ]*=/{
-s/:*\$(srcdir):*/:/
-s/:*\${srcdir}:*/:/
-s/:*@srcdir@:*/:/
-s/^\([^=]*=[	 ]*\):*/\1/
+  ac_vpsub='/^[	 ]*VPATH[	 ]*=[	 ]*/{
+h
+s///
+s/^/:/
+s/[	 ]*$/:/
+s/:\$(srcdir):/:/g
+s/:\${srcdir}:/:/g
+s/:@srcdir@:/:/g
+s/^:*//
 s/:*$//
+x
+s/\(=[	 ]*\).*/\1/
+G
+s/\n//
 s/^[^=]*=[	 ]*$//
 }'
 fi
@@ -14667,7 +12527,7 @@ fi # test -n "$CONFIG_FILES"
 # No need to generate them if there are no CONFIG_HEADERS.
 # This happens for instance with `./config.status Makefile'.
 if test -n "$CONFIG_HEADERS"; then
-cat >"$tmp/defines.awk" <<\_ACAWK ||
+cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
 BEGIN {
 _ACEOF
 
@@ -14679,13 +12539,11 @@ _ACEOF
 # handling of long lines.
 ac_delim='%!_!# '
 for ac_last_try in false false :; do
-  ac_t=`sed -n "/$ac_delim/p" confdefs.h`
-  if test -z "$ac_t"; then
+  ac_tt=`sed -n "/$ac_delim/p" confdefs.h`
+  if test -z "$ac_tt"; then
     break
   elif $ac_last_try; then
-    { { $as_echo "$as_me:$LINENO: error: could not make $CONFIG_HEADERS" >&5
-$as_echo "$as_me: error: could not make $CONFIG_HEADERS" >&2;}
-   { (exit 1); exit 1; }; }
+    as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5
   else
     ac_delim="$ac_delim!$ac_delim _$ac_delim!! "
   fi
@@ -14751,9 +12609,9 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
   }
   split(mac1, mac2, "(") #)
   macro = mac2[1]
+  prefix = substr(line, 1, index(line, defundef) - 1)
   if (D_is_set[macro]) {
     # Preserve the white space surrounding the "#".
-    prefix = substr(line, 1, index(line, defundef) - 1)
     print prefix "define", macro P[macro] D[macro]
     next
   } else {
@@ -14761,7 +12619,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
     # in the case of _POSIX_SOURCE, which is predefined and required
     # on some systems where configure will not decide to define it.
     if (defundef == "undef") {
-      print "/*", line, "*/"
+      print "/*", prefix defundef, macro, "*/"
       next
     }
   }
@@ -14770,9 +12628,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 _ACAWK
 _ACEOF
 cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
-  { { $as_echo "$as_me:$LINENO: error: could not setup config headers machinery" >&5
-$as_echo "$as_me: error: could not setup config headers machinery" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "could not setup config headers machinery" "$LINENO" 5
 fi # test -n "$CONFIG_HEADERS"
 
 
@@ -14785,9 +12641,7 @@ do
   esac
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) { { $as_echo "$as_me:$LINENO: error: Invalid tag $ac_tag." >&5
-$as_echo "$as_me: error: Invalid tag $ac_tag." >&2;}
-   { (exit 1); exit 1; }; };;
+  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
   esac
@@ -14806,7 +12660,7 @@ $as_echo "$as_me: error: Invalid tag $ac_tag." >&2;}
     for ac_f
     do
       case $ac_f in
-      -) ac_f="$tmp/stdin";;
+      -) ac_f="$ac_tmp/stdin";;
       *) # Look for the file first in the build tree, then in the source tree
 	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
 	 # because $ac_f cannot contain `:'.
@@ -14815,12 +12669,10 @@ $as_echo "$as_me: error: Invalid tag $ac_tag." >&2;}
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   { { $as_echo "$as_me:$LINENO: error: cannot find input file: $ac_f" >&5
-$as_echo "$as_me: error: cannot find input file: $ac_f" >&2;}
-   { (exit 1); exit 1; }; };;
+	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
       esac
       case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
-      ac_file_inputs="$ac_file_inputs '$ac_f'"
+      as_fn_append ac_file_inputs " '$ac_f'"
     done
 
     # Let's still pretend it is `configure' which instantiates (i.e., don't
@@ -14831,7 +12683,7 @@ $as_echo "$as_me: error: cannot find input file: $ac_f" >&2;}
 	`' by configure.'
     if test x"$ac_file" != x-; then
       configure_input="$ac_file.  $configure_input"
-      { $as_echo "$as_me:$LINENO: creating $ac_file" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: creating $ac_file" >&5
 $as_echo "$as_me: creating $ac_file" >&6;}
     fi
     # Neutralize special characters interpreted by sed in replacement strings.
@@ -14843,10 +12695,8 @@ $as_echo "$as_me: creating $ac_file" >&6;}
     esac
 
     case $ac_tag in
-    *:-:* | *:-) cat >"$tmp/stdin" \
-      || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
-$as_echo "$as_me: error: could not create $ac_file" >&2;}
-   { (exit 1); exit 1; }; } ;;
+    *:-:* | *:-) cat >"$ac_tmp/stdin" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5 ;;
     esac
     ;;
   esac
@@ -14874,47 +12724,7 @@ $as_echo X"$ac_file" |
 	    q
 	  }
 	  s/.*/./; q'`
-  { as_dir="$ac_dir"
-  case $as_dir in #(
-  -*) as_dir=./$as_dir;;
-  esac
-  test -d "$as_dir" || { $as_mkdir_p && mkdir -p "$as_dir"; } || {
-    as_dirs=
-    while :; do
-      case $as_dir in #(
-      *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'(
-      *) as_qdir=$as_dir;;
-      esac
-      as_dirs="'$as_qdir' $as_dirs"
-      as_dir=`$as_dirname -- "$as_dir" ||
-$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
-	 X"$as_dir" : 'X\(//\)[^/]' \| \
-	 X"$as_dir" : 'X\(//\)$' \| \
-	 X"$as_dir" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X"$as_dir" |
-    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)[^/].*/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-      test -d "$as_dir" && break
-    done
-    test -z "$as_dirs" || eval "mkdir $as_dirs"
-  } || test -d "$as_dir" || { { $as_echo "$as_me:$LINENO: error: cannot create directory $as_dir" >&5
-$as_echo "$as_me: error: cannot create directory $as_dir" >&2;}
-   { (exit 1); exit 1; }; }; }
+  as_dir="$ac_dir"; as_fn_mkdir_p
   ac_builddir=.
 
 case "$ac_dir" in
@@ -14966,7 +12776,6 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # If the template does not know about datarootdir, expand it.
 # FIXME: This hack should be removed a few years after 2.60.
 ac_datarootdir_hack=; ac_datarootdir_seen=
-
 ac_sed_dataroot='
 /datarootdir/ {
   p
@@ -14976,12 +12785,11 @@ ac_sed_dataroot='
 /@docdir@/p
 /@infodir@/p
 /@localedir@/p
-/@mandir@/p
-'
+/@mandir@/p'
 case `eval "sed -n \"\$ac_sed_dataroot\" $ac_file_inputs"` in
 *datarootdir*) ac_datarootdir_seen=yes;;
 *@datadir@*|*@docdir@*|*@infodir@*|*@localedir@*|*@mandir@*)
-  { $as_echo "$as_me:$LINENO: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&5
 $as_echo "$as_me: WARNING: $ac_file_inputs seems to ignore the --datarootdir setting" >&2;}
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
@@ -14991,7 +12799,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
   s&@infodir@&$infodir&g
   s&@localedir@&$localedir&g
   s&@mandir@&$mandir&g
-    s&\\\${datarootdir}&$datarootdir&g' ;;
+  s&\\\${datarootdir}&$datarootdir&g' ;;
 esac
 _ACEOF
 
@@ -15018,27 +12826,24 @@ s&@abs_top_builddir@&$ac_abs_top_builddir&;t t
 s&@INSTALL@&$ac_INSTALL&;t t
 $ac_datarootdir_hack
 "
-eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$tmp/subs.awk" >$tmp/out \
-  || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
-$as_echo "$as_me: error: could not create $ac_file" >&2;}
-   { (exit 1); exit 1; }; }
+eval sed \"\$ac_sed_extra\" "$ac_file_inputs" | $AWK -f "$ac_tmp/subs.awk" \
+  >$ac_tmp/out || as_fn_error $? "could not create $ac_file" "$LINENO" 5
 
 test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
-  { ac_out=`sed -n '/\${datarootdir}/p' "$tmp/out"`; test -n "$ac_out"; } &&
-  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' "$tmp/out"`; test -z "$ac_out"; } &&
-  { $as_echo "$as_me:$LINENO: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined." >&5
+  { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
+  { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
+      "$ac_tmp/out"`; test -z "$ac_out"; } &&
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
+which seems to be undefined.  Please make sure it is defined" >&5
 $as_echo "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
-which seems to be undefined.  Please make sure it is defined." >&2;}
+which seems to be undefined.  Please make sure it is defined" >&2;}
 
-  rm -f "$tmp/stdin"
+  rm -f "$ac_tmp/stdin"
   case $ac_file in
-  -) cat "$tmp/out" && rm -f "$tmp/out";;
-  *) rm -f "$ac_file" && mv "$tmp/out" "$ac_file";;
+  -) cat "$ac_tmp/out" && rm -f "$ac_tmp/out";;
+  *) rm -f "$ac_file" && mv "$ac_tmp/out" "$ac_file";;
   esac \
-  || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
-$as_echo "$as_me: error: could not create $ac_file" >&2;}
-   { (exit 1); exit 1; }; }
+  || as_fn_error $? "could not create $ac_file" "$LINENO" 5
  ;;
   :H)
   #
@@ -15047,31 +12852,25 @@ $as_echo "$as_me: error: could not create $ac_file" >&2;}
   if test x"$ac_file" != x-; then
     {
       $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs"
-    } >"$tmp/config.h" \
-      || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
-$as_echo "$as_me: error: could not create $ac_file" >&2;}
-   { (exit 1); exit 1; }; }
-    if diff "$ac_file" "$tmp/config.h" >/dev/null 2>&1; then
-      { $as_echo "$as_me:$LINENO: $ac_file is unchanged" >&5
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs"
+    } >"$ac_tmp/config.h" \
+      || as_fn_error $? "could not create $ac_file" "$LINENO" 5
+    if diff "$ac_file" "$ac_tmp/config.h" >/dev/null 2>&1; then
+      { $as_echo "$as_me:${as_lineno-$LINENO}: $ac_file is unchanged" >&5
 $as_echo "$as_me: $ac_file is unchanged" >&6;}
     else
       rm -f "$ac_file"
-      mv "$tmp/config.h" "$ac_file" \
-	|| { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
-$as_echo "$as_me: error: could not create $ac_file" >&2;}
-   { (exit 1); exit 1; }; }
+      mv "$ac_tmp/config.h" "$ac_file" \
+	|| as_fn_error $? "could not create $ac_file" "$LINENO" 5
     fi
   else
     $as_echo "/* $configure_input  */" \
-      && eval '$AWK -f "$tmp/defines.awk"' "$ac_file_inputs" \
-      || { { $as_echo "$as_me:$LINENO: error: could not create -" >&5
-$as_echo "$as_me: error: could not create -" >&2;}
-   { (exit 1); exit 1; }; }
+      && eval '$AWK -f "$ac_tmp/defines.awk"' "$ac_file_inputs" \
+      || as_fn_error $? "could not create -" "$LINENO" 5
   fi
  ;;
 
-  :C)  { $as_echo "$as_me:$LINENO: executing $ac_file commands" >&5
+  :C)  { $as_echo "$as_me:${as_lineno-$LINENO}: executing $ac_file commands" >&5
 $as_echo "$as_me: executing $ac_file commands" >&6;}
  ;;
   esac
@@ -15718,15 +13517,12 @@ _LT_EOF
 done # for ac_tag
 
 
-{ (exit 0); exit 0; }
+as_fn_exit 0
 _ACEOF
-chmod +x $CONFIG_STATUS
 ac_clean_files=$ac_clean_files_save
 
 test $ac_write_fail = 0 ||
-  { { $as_echo "$as_me:$LINENO: error: write failure creating $CONFIG_STATUS" >&5
-$as_echo "$as_me: error: write failure creating $CONFIG_STATUS" >&2;}
-   { (exit 1); exit 1; }; }
+  as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5
 
 
 # configure is writing to config.log, and then calls config.status.
@@ -15747,10 +13543,10 @@ if test "$no_create" != yes; then
   exec 5>>config.log
   # Use ||, not &&, to avoid exiting from the if with $? = 1, which
   # would make configure fail if this is the last instruction.
-  $ac_cs_success || { (exit 1); exit 1; }
+  $ac_cs_success || as_fn_exit 1
 fi
 if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then
-  { $as_echo "$as_me:$LINENO: WARNING: Unrecognized options: $ac_unrecognized_opts" >&5
-$as_echo "$as_me: WARNING: Unrecognized options: $ac_unrecognized_opts" >&2;}
+  { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5
+$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;}
 fi
 
diff --git a/configure.ac b/configure.ac
index aac1d47..882c3cc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -388,14 +388,16 @@ if test "${use_tcl}" = "yes" ; then
     fi
 
     # Start autosearch by asking tclsh
-    if test x"$cross_compiling" = xno; then
-      for i in `echo 'puts stdout $auto_path' | ${TCLSH_CMD}`
-      do
-        if test -f "$i/tclConfig.sh" ; then
-          ac_cv_c_tclconfig="$i"
-          break
-        fi
-      done
+    if test x"${ac_cv_c_tclconfig}" = x ; then
+      if test x"$cross_compiling" = xno; then
+        for i in `echo 'puts stdout $auto_path' | ${TCLSH_CMD}`
+        do
+          if test -f "$i/tclConfig.sh" ; then
+            ac_cv_c_tclconfig="$i"
+            break
+          fi
+        done
+      fi
     fi
 
     # then check for a private Tcl installation
diff --git a/doc/lemon.html b/doc/lemon.html
index 2c65555..b16e359 100644
--- a/doc/lemon.html
+++ b/doc/lemon.html
@@ -481,7 +481,7 @@ as follows:
 <li> If the precedences are the same and the shift token is
      right-associative, then resolve in favor of the shift.
      No parsing conflict is reported.
-<li> If the precedences are the same the the shift token is
+<li> If the precedences are the same the shift token is
      left-associative, then resolve in favor of the reduce.
      No parsing conflict is reported.
 <li> Otherwise, resolve the conflict by doing the shift and
diff --git a/doc/pager-invariants.txt b/doc/pager-invariants.txt
index c6deda7..44444da 100644
--- a/doc/pager-invariants.txt
+++ b/doc/pager-invariants.txt
@@ -44,7 +44,7 @@
  
  *** Definition: Two databases (or the same database at two points it time)
      are said to be "logically equivalent" if they give the same answer to
-     all queries.  Note in particular the the content of freelist leaf
+     all queries.  Note in particular the content of freelist leaf
      pages can be changed arbitarily without effecting the logical equivalence
      of the database.
  
diff --git a/ext/fts2/fts2.c b/ext/fts2/fts2.c
index 74c2890..93e03cd 100644
--- a/ext/fts2/fts2.c
+++ b/ext/fts2/fts2.c
@@ -5051,7 +5051,7 @@ static int leavesReaderAtEnd(LeavesReader *pReader){
 ** modification to control flow all over the place, though, so for now
 ** just punt.
 **
-** Note the the current system assumes that segment merges will run to
+** Note the current system assumes that segment merges will run to
 ** completion, which is why this particular probably hasn't arisen in
 ** this case.  Probably a brittle assumption.
 */
diff --git a/ext/fts3/fts3.c b/ext/fts3/fts3.c
index 54ff893..58414f6 100644
--- a/ext/fts3/fts3.c
+++ b/ext/fts3/fts3.c
@@ -4436,6 +4436,7 @@ static int fts3EvalStart(Fts3Cursor *pCsr){
   fts3EvalAllocateReaders(pCsr, pCsr->pExpr, &nToken, &nOr, &rc);
 
   /* Determine which, if any, tokens in the expression should be deferred. */
+#ifndef SQLITE_DISABLE_FTS4_DEFERRED
   if( rc==SQLITE_OK && nToken>1 && pTab->bFts4 ){
     Fts3TokenAndCost *aTC;
     Fts3Expr **apOr;
@@ -4466,6 +4467,7 @@ static int fts3EvalStart(Fts3Cursor *pCsr){
       sqlite3_free(aTC);
     }
   }
+#endif
 
   fts3EvalStartReaders(pCsr, pCsr->pExpr, 1, &rc);
   return rc;
@@ -4849,6 +4851,7 @@ static int fts3EvalTestExpr(
         break;
 
       default: {
+#ifndef SQLITE_DISABLE_FTS4_DEFERRED
         if( pCsr->pDeferred 
          && (pExpr->iDocid==pCsr->iPrevId || pExpr->bDeferred)
         ){
@@ -4860,7 +4863,9 @@ static int fts3EvalTestExpr(
           *pRc = fts3EvalDeferredPhrase(pCsr, pPhrase);
           bHit = (pPhrase->doclist.pList!=0);
           pExpr->iDocid = pCsr->iPrevId;
-        }else{
+        }else
+#endif
+        {
           bHit = (pExpr->bEof==0 && pExpr->iDocid==pCsr->iPrevId);
         }
         break;
diff --git a/ext/fts3/fts3Int.h b/ext/fts3/fts3Int.h
index 5dc1499..77ca470 100644
--- a/ext/fts3/fts3Int.h
+++ b/ext/fts3/fts3Int.h
@@ -427,10 +427,20 @@ int sqlite3Fts3ReadBlock(Fts3Table*, sqlite3_int64, char **, int*, int*);
 int sqlite3Fts3SelectDoctotal(Fts3Table *, sqlite3_stmt **);
 int sqlite3Fts3SelectDocsize(Fts3Table *, sqlite3_int64, sqlite3_stmt **);
 
+#ifndef SQLITE_DISABLE_FTS4_DEFERRED
 void sqlite3Fts3FreeDeferredTokens(Fts3Cursor *);
 int sqlite3Fts3DeferToken(Fts3Cursor *, Fts3PhraseToken *, int);
 int sqlite3Fts3CacheDeferredDoclists(Fts3Cursor *);
 void sqlite3Fts3FreeDeferredDoclists(Fts3Cursor *);
+int sqlite3Fts3DeferredTokenList(Fts3DeferredToken *, char **, int *);
+#else
+# define sqlite3Fts3FreeDeferredTokens(x)
+# define sqlite3Fts3DeferToken(x,y,z) SQLITE_OK
+# define sqlite3Fts3CacheDeferredDoclists(x) SQLITE_OK
+# define sqlite3Fts3FreeDeferredDoclists(x)
+# define sqlite3Fts3DeferredTokenList(x,y,z) SQLITE_OK
+#endif
+
 void sqlite3Fts3SegmentsClose(Fts3Table *);
 int sqlite3Fts3MaxLevel(Fts3Table *, int *);
 
@@ -539,8 +549,6 @@ int sqlite3Fts3EvalPhrasePoslist(Fts3Cursor *, Fts3Expr *, int iCol, char **);
 int sqlite3Fts3MsrOvfl(Fts3Cursor *, Fts3MultiSegReader *, int *);
 int sqlite3Fts3MsrIncrRestart(Fts3MultiSegReader *pCsr);
 
-int sqlite3Fts3DeferredTokenList(Fts3DeferredToken *, char **, int *);
-
 /* fts3_unicode2.c (functions generated by parsing unicode text files) */
 #ifdef SQLITE_ENABLE_FTS4_UNICODE61
 int sqlite3FtsUnicodeFold(int, int);
diff --git a/ext/fts3/fts3_icu.c b/ext/fts3/fts3_icu.c
index 5e9c900..18b7948 100644
--- a/ext/fts3/fts3_icu.c
+++ b/ext/fts3/fts3_icu.c
@@ -199,7 +199,7 @@ static int icuNext(
 
     while( iStart<iEnd ){
       int iWhite = iStart;
-      U8_NEXT(pCsr->aChar, iWhite, pCsr->nChar, c);
+      U16_NEXT(pCsr->aChar, iWhite, pCsr->nChar, c);
       if( u_isspace(c) ){
         iStart = iWhite;
       }else{
diff --git a/ext/fts3/fts3_unicode2.c b/ext/fts3/fts3_unicode2.c
index 226d5ee..3c24569 100644
--- a/ext/fts3/fts3_unicode2.c
+++ b/ext/fts3/fts3_unicode2.c
@@ -146,7 +146,7 @@ int sqlite3FtsUnicodeIsalnum(int c){
     }
     assert( aEntry[0]<key );
     assert( key>=aEntry[iRes] );
-    return (c >= ((aEntry[iRes]>>10) + (aEntry[iRes]&0x3FF)));
+    return (((unsigned int)c) >= ((aEntry[iRes]>>10) + (aEntry[iRes]&0x3FF)));
   }
   return 1;
 }
diff --git a/ext/fts3/fts3_write.c b/ext/fts3/fts3_write.c
index bee08e1..c9f1743 100644
--- a/ext/fts3/fts3_write.c
+++ b/ext/fts3/fts3_write.c
@@ -2969,7 +2969,7 @@ static int fts3SegmentMerge(
 
   if( iLevel==FTS3_SEGCURSOR_ALL ){
     /* This call is to merge all segments in the database to a single
-    ** segment. The level of the new segment is equal to the the numerically 
+    ** segment. The level of the new segment is equal to the numerically
     ** greatest segment level currently present in the database for this
     ** index. The idx of the new segment is always 0.  */
     if( csr.nSegment==1 ){
@@ -3599,7 +3599,7 @@ static int fts3IncrmergePush(
         pNode->key.n = nTerm;
       }
     }else{
-      /* Otherwise, flush the the current node of layer iLayer to disk.
+      /* Otherwise, flush the current node of layer iLayer to disk.
       ** Then allocate a new, empty sibling node. The key will be written
       ** into the parent of this node. */
       rc = fts3WriteSegment(p, pNode->iBlock, pNode->block.a, pNode->block.n);
@@ -5046,6 +5046,7 @@ static int fts3SpecialInsert(Fts3Table *p, sqlite3_value *pVal){
   return rc;
 }
 
+#ifndef SQLITE_DISABLE_FTS4_DEFERRED
 /*
 ** Delete all cached deferred doclists. Deferred doclists are cached
 ** (allocated) by the sqlite3Fts3CacheDeferredDoclists() function.
@@ -5183,6 +5184,7 @@ int sqlite3Fts3DeferToken(
 
   return SQLITE_OK;
 }
+#endif
 
 /*
 ** SQLite value pRowid contains the rowid of a row that may or may not be
diff --git a/main.mk b/main.mk
index b484ad4..408e609 100644
--- a/main.mk
+++ b/main.mk
@@ -60,8 +60,8 @@ LIBOBJ+= alter.o analyze.o attach.o auth.o \
          icu.o insert.o journal.o legacy.o loadext.o \
          main.o malloc.o mem0.o mem1.o mem2.o mem3.o mem5.o \
          memjournal.o \
-         mutex.o mutex_noop.o mutex_os2.o mutex_unix.o mutex_w32.o \
-         notify.o opcodes.o os.o os_os2.o os_unix.o os_win.o \
+         mutex.o mutex_noop.o mutex_unix.o mutex_w32.o \
+         notify.o opcodes.o os.o os_unix.o os_win.o \
          pager.o parse.o pcache.o pcache1.o pragma.o prepare.o printf.o \
          random.o resolve.o rowset.o rtree.o select.o status.o \
          table.o tokenize.o trigger.o \
@@ -113,14 +113,12 @@ SRC = \
   $(TOP)/src/mutex.c \
   $(TOP)/src/mutex.h \
   $(TOP)/src/mutex_noop.c \
-  $(TOP)/src/mutex_os2.c \
   $(TOP)/src/mutex_unix.c \
   $(TOP)/src/mutex_w32.c \
   $(TOP)/src/notify.c \
   $(TOP)/src/os.c \
   $(TOP)/src/os.h \
   $(TOP)/src/os_common.h \
-  $(TOP)/src/os_os2.c \
   $(TOP)/src/os_unix.c \
   $(TOP)/src/os_win.c \
   $(TOP)/src/pager.c \
@@ -282,7 +280,6 @@ TESTSRC2 = \
   $(TOP)/src/wal.c \
   $(TOP)/src/mem5.c \
   $(TOP)/src/os.c \
-  $(TOP)/src/os_os2.c \
   $(TOP)/src/os_unix.c \
   $(TOP)/src/os_win.c \
   $(TOP)/src/pager.c \
@@ -619,3 +616,4 @@ clean:
 	rm -f threadtest3 threadtest3.exe
 	rm -f sqlite3.c fts?amal.c tclsqlite3.c
 	rm -f sqlite3_analyzer sqlite3_analyzer.exe sqlite3_analyzer.c
+	rm -f sqlite-output.vsix
diff --git a/manifest b/manifest
index 8e0fdc7..6cd0a46 100644
--- a/manifest
+++ b/manifest
@@ -1,12 +1,12 @@
-C Version\s3.7.13
-D 2012-06-11T02:05:22.539
+C Version\s3.7.14.1
+D 2012-10-04T19:37:12.994
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
-F Makefile.in d17fddaa4e81f93a7c9c7c0808aacb3fc95f79f4
+F Makefile.in abd5c10d21d1395f140d9e50ea999df8fa4d6376
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
-F Makefile.msc fd86027849a59a2f621b791b79eabf3f8ffbd684
-F Makefile.vxworks 3b7fe7a0571fdadc61363ebc1b23732d2d6363ca
+F Makefile.msc 2d696f01c228995e98b3b953a08b7bba1d48c130
+F Makefile.vxworks 879f034a64062a364b21000266bbd5bc6e0c19b9
 F README cd04a36fbc7ea56932a4052d7d0b7f09f27c33d6
-F VERSION 3e857b9b826e818eec9411eafe2c3fa22c1dbb8a
+F VERSION 9694dff497fc7e53037a5890f30ab069c26e8ab7
 F aclocal.m4 a5c22d164aff7ed549d53a90fa56d56955281f50
 F addopcodes.awk 17dc593f791f874d2c23a0f9360850ded0286531
 F art/sqlite370.eps aa97a671332b432a54e1d74ff5e8775be34200c2
@@ -15,11 +15,11 @@ F art/sqlite370.jpg d512473dae7e378a67e28ff96a34da7cb331def2
 F config.guess 226d9a188c6196f3033ffc651cbc9dcee1a42977
 F config.h.in 0921066a13130082764ab4ab6456f7b5bebe56de
 F config.sub 9ebe4c3b3dab6431ece34f16828b594fb420da55
-F configure 79405675c313ce4a5e94afac6ec880bb3e27b4f1 x
-F configure.ac 9ee886c21c095b3272137b1553ae416c8b8c8557
+F configure e2c3b28dec7f5d1f72dd7465c87bb37f6af1931f x
+F configure.ac 6e909664785b8184db2179013cd9d574f96ca3a3
 F contrib/sqlitecon.tcl 210a913ad63f9f991070821e599d600bd913e0ad
-F doc/lemon.html 3091574143dd3415669b6745843ff8d011d33549
-F doc/pager-invariants.txt 870107036470d7c419e93768676fae2f8749cf9e
+F doc/lemon.html 334dbf6621b8fb8790297ec1abf3cfa4621709d1
+F doc/pager-invariants.txt 27fed9a70ddad2088750c4a2b493b63853da2710
 F doc/vfs-shm.txt e101f27ea02a8387ce46a05be2b1a902a021d37a
 F ext/README.txt 913a7bd3f4837ab14d7e063304181787658b14e1
 F ext/async/README.txt 0c541f418b14b415212264cbaaf51c924ec62e5b
@@ -41,7 +41,7 @@ F ext/fts1/simple_tokenizer.c 1844d72f7194c3fd3d7e4173053911bf0661b70d
 F ext/fts1/tokenizer.h 0c53421b832366d20d720d21ea3e1f6e66a36ef9
 F ext/fts2/README.tokenizers 21e3684ea5a095b55d70f6878b4ce6af5932dfb7
 F ext/fts2/README.txt 8c18f41574404623b76917b9da66fcb0ab38328d
-F ext/fts2/fts2.c 238e9e19158ef75fb4155613a870443394fbf7da
+F ext/fts2/fts2.c 4ef7d7ecf590da0dd416ac54612c53a7d4175790
 F ext/fts2/fts2.h da5f76c65163301d1068a971fd32f4119e3c95fa
 F ext/fts2/fts2_hash.c 2689e42e1107ea67207f725cf69cf8972d00cf93
 F ext/fts2/fts2_hash.h 9a5b1be94664139f93217a0770d7144425cffb3a
@@ -55,14 +55,14 @@ F ext/fts3/README.content fdc666a70d5257a64fee209f97cf89e0e6e32b51
 F ext/fts3/README.syntax a19711dc5458c20734b8e485e75fb1981ec2427a
 F ext/fts3/README.tokenizers e0a8b81383ea60d0334d274fadf305ea14a8c314
 F ext/fts3/README.txt 8c18f41574404623b76917b9da66fcb0ab38328d
-F ext/fts3/fts3.c bb3107c0e420ea2e26e57050e84cdf0aeaafcd4f
+F ext/fts3/fts3.c ab90126ee0163539d21d0618d22afa2eb645f7e2
 F ext/fts3/fts3.h 3a10a0af180d502cecc50df77b1b22df142817fe
-F ext/fts3/fts3Int.h 81115435f79248ac09017bc665aae27b410d651f
+F ext/fts3/fts3Int.h 1e58825246b56259267382d2f9902774c049460a
 F ext/fts3/fts3_aux.c 5205182bd8f372782597888156404766edf5781e
 F ext/fts3/fts3_expr.c dbc7ba4c3a6061adde0f38ed8e9b349568299551
 F ext/fts3/fts3_hash.c 8dd2d06b66c72c628c2732555a32bc0943114914
 F ext/fts3/fts3_hash.h 8331fb2206c609f9fc4c4735b9ab5ad6137c88ec
-F ext/fts3/fts3_icu.c 62ec177c55f6a5c6e994dd3e5fd3194b4045c347
+F ext/fts3/fts3_icu.c b85eca4a52e5ec11b94392de5167974c11906d4a
 F ext/fts3/fts3_porter.c a465b49fcb8249a755792f87516eff182efa42b3
 F ext/fts3/fts3_snippet.c bf67520ae9d2352a65368ed101729ff701c08808
 F ext/fts3/fts3_term.c a521f75132f9a495bdca1bdd45949b3191c52763
@@ -71,8 +71,8 @@ F ext/fts3/fts3_tokenizer.c e94a8b901066031437ccfe4769fc76370257cede
 F ext/fts3/fts3_tokenizer.h 66dec98e365854b6cd2d54f1a96bb6d428fc5a68
 F ext/fts3/fts3_tokenizer1.c 5c98225a53705e5ee34824087478cf477bdb7004
 F ext/fts3/fts3_unicode.c 49e36e6ba59f79e6bd6a8bfe434570fe48d20559
-F ext/fts3/fts3_unicode2.c 2965d217c37079f1dbbdbd2c58f843be285d73f2
-F ext/fts3/fts3_write.c 794438f904cdf4516b258e530c0065efadb7b9b5
+F ext/fts3/fts3_unicode2.c a863f05f758af36777dffc2facc898bc73fec896
+F ext/fts3/fts3_write.c c30c49f3debb9497a07f15cc4c042815e35474ef
 F ext/fts3/fts3speed.tcl b54caf6a18d38174f1a6e84219950d85e98bb1e9
 F ext/fts3/mkfts3amal.tcl 252ecb7fe6467854f2aa237bf2c390b74e71f100
 F ext/fts3/tool/fts3view.c 6cfc5b67a5f0e09c0d698f9fd012c784bfaa9197
@@ -103,7 +103,7 @@ F ext/rtree/tkt3363.test 142ab96eded44a3615ec79fba98c7bde7d0f96de
 F ext/rtree/viewrtree.tcl eea6224b3553599ae665b239bd827e182b466024
 F install-sh 9d4de14ab9fb0facae2f48780b874848cbf2f895 x
 F ltmain.sh 3ff0879076df340d2e23ae905484d8c15d5fdea8
-F main.mk 84ed9c324cf0b8f4eb6f276553d1fd092b5ae0f4
+F main.mk 72026405046ed5b1f0368943b89c0aa29ad558b6
 F mkdll.sh 7d09b23c05d56532e9d44a50868eb4b12ff4f74a
 F mkextu.sh 416f9b7089d80e5590a29692c9d9280a10dbad9f
 F mkextw.sh 4123480947681d9b434a5e7b1ee08135abe409ac
@@ -117,93 +117,92 @@ F sqlite.pc.in 42b7bf0d02e08b9e77734a47798d1a55a9e0716b
 F sqlite3.1 6be1ad09113570e1fc8dcaff84c9b0b337db5ffc
 F sqlite3.pc.in ae6f59a76e862f5c561eb32a380228a02afc3cad
 F src/alter.c 149cc80d9257971b0bff34e58fb2263e01998289
-F src/analyze.c 70c46504c0d2543ea5cdca01140b2cd3e1d886e7
+F src/analyze.c 7553068d21e32a57fc33ab6b2393fc8c1ba41410
 F src/attach.c 577bf5675b0c50495fc28549f2fcbdb1bac71143
 F src/auth.c 523da7fb4979469955d822ff9298352d6b31de34
-F src/backup.c d7fb4c6d2ad3fe51a4ce1a897fde7b00f4de5fef
-F src/bitvec.c af50f1c8c0ff54d6bdb7a80e2fceca5a93670bef
+F src/backup.c 5b31b24d6814b11de763debf342c8cd0a15a4910
+F src/bitvec.c 26675fe8e431dc555e6f2d0e11e651d172234aa1
 F src/btmutex.c 976f45a12e37293e32cae0281b15a21d48a8aaa7
-F src/btree.c f0b71054103cb77eb5e782088c16998ec4f06624
-F src/btree.h 48a013f8964f12d944d90e4700df47b72dd6d923
-F src/btreeInt.h 38a639c0542c29fe8331a221c4aed0cb8686249e
-F src/build.c 47c4506afe4bcb4ed1f4b5357582d1cb3402f8ad
+F src/btree.c 97edf88abd2b66f31886ba977d2b3b2a21d81d4c
+F src/btree.h 4aee02e879211bfcfd3f551769578d2e940ab6c2
+F src/btreeInt.h 4e5c2bd0f9b36b2a815a6d84f771a61a65830621
+F src/build.c a3b700afd475e6387da59be6f2e86161e80d6d87
 F src/callback.c 0cb4228cdcd827dcc5def98fb099edcc9142dbcd
 F src/complete.c dc1d136c0feee03c2f7550bafc0d29075e36deac
 F src/ctime.c 500d019da966631ad957c37705642be87524463b
 F src/date.c 067a81c9942c497aafd2c260e13add8a7d0c7dd4
-F src/delete.c 4c20ea4f6213b3bc1c6a510586864b679946e05e
-F src/expr.c 06a7733d19dc725dc46ba51afd9feadb4b85d991
+F src/delete.c 335f36750dc6ac88d580aa36a6487459be9889de
+F src/expr.c 217840a107dcc1e5dbb57cea311daad04bedbb9a
 F src/fault.c 160a0c015b6c2629d3899ed2daf63d75754a32bb
-F src/fkey.c 657212460bf5cfd3ae607d12ea62092844c227b5
-F src/func.c c6b3c94320253a35bda43fb69cc292618e3285d6
+F src/fkey.c 9c77d842dc9961d92a06a65abb80c64ef1750296
+F src/func.c 18dfedfb857e100b05755a1b12e88b389f957879
 F src/global.c 4cfdca5cb0edd33c4d021baec4ede958cb2c793b
-F src/hash.c 458488dcc159c301b8e7686280ab209f1fb915af
+F src/hash.c a4031441741932da9e7a65bee2b36b5d0e81c073
 F src/hash.h 2894c932d84d9f892d4b4023a75e501f83050970
 F src/hwtime.h d32741c8f4df852c7d959236615444e2b1063b08
-F src/insert.c 0bbffe75c254c62a5686ab5e7f88e29235e16174
+F src/insert.c b090d0a9fb9ff2dbdeaf66aedccf98cd13b1af60
 F src/journal.c 552839e54d1bf76fb8f7abe51868b66acacf6a0e
 F src/legacy.c a199d7683d60cef73089e892409113e69c23a99f
 F src/lempar.c 0ee69fca0be54cd93939df98d2aca4ca46f44416
 F src/loadext.c f20382fbaeec832438a1ba7797bee3d3c8a6d51d
-F src/main.c 07e05ba330b5994fa20d3b2e8c1c146133587d68
+F src/main.c 02255cf1da50956c5427c469abddb15bccc4ba09
 F src/malloc.c fe085aa851b666b7c375c1ff957643dc20a04bf6
 F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
-F src/mem1.c b3677415e69603d6a0e7c5410a1b3731d55beda1
+F src/mem1.c 437c7c4af964895d4650f29881df63535caaa1fa
 F src/mem2.c e307323e86b5da1853d7111b68fd6b84ad6f09cf
 F src/mem3.c 61c9d47b792908c532ca3a62b999cf21795c6534
 F src/mem5.c c2c63b7067570b00bf33d751c39af24182316f7f
 F src/memjournal.c 0ebce851677a7ac035ba1512a7e65851b34530c6
 F src/mutex.c d3b66a569368015e0fcb1ac15f81c119f504d3bc
-F src/mutex.h 2a79e0c10c26412546b501ee0f3d92b42decf63e
+F src/mutex.h 5bc526e19dccc412b7ff04642f6fdad3fdfdabea
 F src/mutex_noop.c 7682796b7d8d39bf1c138248858efcd10c9e1553
-F src/mutex_os2.c 882d735098c07c8c6a5472b8dd66e19675fe117f
 F src/mutex_unix.c c3a4e00f96ba068a8dbef34084465979aaf369cc
-F src/mutex_w32.c db8970270841e2385a43602477e84c4b19aff1db
+F src/mutex_w32.c 32a9b3841e2d757355f0012b860b1bc5e01eafa0
 F src/notify.c 976dd0f6171d4588e89e874fcc765e92914b6d30
 F src/os.c e1acdc09ff3ac2412945cca9766e2dcf4675f31c
-F src/os.h 38aabd5e3ecd4162332076f55bb09cec02165cca
+F src/os.h 027491c77d2404c0a678bb3fb06286f331eb9b57
 F src/os_common.h 92815ed65f805560b66166e3583470ff94478f04
-F src/os_os2.c 4a75888ba3dfc820ad5e8177025972d74d7f2440
-F src/os_unix.c d7c96b5d140f550f07345870112fae5d7ef99757
-F src/os_win.c e3d3d3e26b65a35d4293d753137a58510bd3299b
-F src/pager.c e381c118b77dc22021a1a59d3fec24815e91df78
+F src/os_unix.c 69b2fe66316524eebf5f1ce85c1fdfe2952307e9
+F src/os_win.c 5dec8fe85ee547152075c020db72aec4382f0d0a
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 F src/pager.h 8b8c9bc065a3c66769df8724dfdf492ee1aab3c5
 F src/parse.y f29df90bd3adc64b33114ab1de9fb7768fcf2099
 F src/pcache.c f8043b433a57aba85384a531e3937a804432a346
 F src/pcache.h 1b5dcc3dc8103d03e625b177023ee67764fa6b7c
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-F src/pragma.c eee3e3161f82a1e06f632a8d2a82b29ba3c45889
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 F src/prepare.c 33291b83cca285718048d219c67b8298501fa3a5
-F src/printf.c 7ffb4ebb8b341f67e049695ba031da717b3d2699
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 F src/random.c cd4a67b3953b88019f8cd4ccd81394a8ddfaba50
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-F src/sqlite.h.in 39f041ce71a0d994e2487014fc9e8721595f5bc0
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 F src/sqlite3ext.h 6904f4aadf976f95241311fbffb00823075d9477
-F src/sqliteInt.h 29b5348f0056d9b46d0bb94d4853db21568afde9
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 F src/sqliteLimit.h 164b0e6749d31e0daa1a4589a169d31c0dec7b3d
 F src/status.c 35939e7e03abf1b7577ce311f48f682c40de3208
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-F src/test1.c fc2acf0a2db517c8d19e5e55bda8e1237db77378
+F src/tclsqlite.c d20022c647aa7a871d7b4038c4ec971cafe39744
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 F src/test2.c 4178056dd1e7d70f954ad8a1e3edb71a2a784daf
 F src/test3.c 3c3c2407fa6ec7a19e24ae23f7cb439d0275a60d
-F src/test4.c d1e5a5e904d4b444cf572391fdcb017638e36ff7
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 F src/test5.c a6d1ac55ac054d0b2b8f37b5e655b6c92645a013
 F src/test6.c 417e1e214734393c24a8ee80b41485a9c4169123
 F src/test7.c 2e0781754905c8adc3268d8f0967e7633af58843
-F src/test8.c 235f1d19716fa768c46fc461ccbf529b2c9e4399
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 F src/test9.c bea1e8cf52aa93695487badedd6e1886c321ea60
 F src/test_async.c 0612a752896fad42d55c3999a5122af10dcf22ad
 F src/test_autoext.c 30e7bd98ab6d70a62bb9ba572e4c7df347fe645e
 F src/test_backup.c c129c91127e9b46e335715ae2e75756e25ba27de
 F src/test_btree.c 5b89601dcb42a33ba8b820a6b763cc9cb48bac16
-F src/test_config.c 4f7b8030287d62fe56a1d99e68b41760feae381a
+F src/test_config.c 09781397ccc24268cb895be0d4c21b4aad651486
 F src/test_demovfs.c 20a4975127993f4959890016ae9ce5535a880094
 F src/test_devsym.c e7498904e72ba7491d142d5c83b476c4e76993bc
-F src/test_func.c 090f2c3339e85c2c964435f99aed6f3da9d59525
+F src/test_func.c 3a8dd37c08ab43b76d38eea2836e34a3897bf170
 F src/test_fuzzer.c 1d26aa965120420bc14807da29d4d4541bfa6148
 F src/test_hexio.c abfdecb6fa58c354623978efceb088ca18e379cd
 F src/test_init.c 3cbad7ce525aec925f8fda2192d576d47f0d478a
@@ -212,49 +211,50 @@ F src/test_intarray.h 489edb9068bb926583445cb02589344961054207
 F src/test_journal.c f5c0a05b7b3d5930db769b5ee6c3766dc2221a64
 F src/test_loadext.c df586c27176e3c2cb2e099c78da67bf14379a56e
 F src/test_malloc.c 3f5903a1528fd32fe4c472a3bd0259128d8faaef
-F src/test_multiplex.c 66dcfca001ee22f04ef31ad353772ed05a017e53
+F src/test_multiplex.c ac0fbc1748e5b86a41a1d7a84654fae0d53a881d
 F src/test_multiplex.h e99c571bc4968b7a9363b661481f3934bfead61d
 F src/test_mutex.c a6bd7b9cf6e19d989e31392b06ac8d189f0d573e
 F src/test_onefile.c 0396f220561f3b4eedc450cef26d40c593c69a25
 F src/test_osinst.c 90a845c8183013d80eccb1f29e8805608516edba
 F src/test_pcache.c a5cd24730cb43c5b18629043314548c9169abb00
-F src/test_quota.c 0af3e1e9a1f22bc5f431dd3efcc32762f4109f58
+F src/test_quota.c 8ab295092c70903ca6f3209fa4c75f5cb6c1bf8e
 F src/test_quota.h 8761e463b25e75ebc078bd67d70e39b9c817a0cb
 F src/test_rtree.c aba603c949766c4193f1068b91c787f57274e0d9
 F src/test_schema.c 8c06ef9ddb240c7a0fcd31bc221a6a2aade58bf0
 F src/test_server.c 2f99eb2837dfa06a4aacf24af24c6affdf66a84f
-F src/test_spellfix.c 495535f3eb57acdc384572da570e869bb1834bf4
+F src/test_spellfix.c 76dd8d3111d2f5354c374f71fa23b752bd0b029c
 F src/test_stat.c d1569c7a4839f13e80187e2c26b2ab4da2d03935
 F src/test_superlock.c 2b97936ca127d13962c3605dbc9a4ef269c424cd
 F src/test_syscall.c a992d8c80ea91fbf21fb2dd570db40e77dd7e6ae
 F src/test_tclvar.c f4dc67d5f780707210d6bb0eb6016a431c04c7fa
 F src/test_thread.c e286f2173563f2a1747c24bcda6b9d030bf4f4e4
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-F src/test_vfstrace.c 6b28adb2a0e8ecd0f2e3581482e1f658b11b4067
+F src/test_vfs.c c6260ef238c1142c8f8bd402db02216afd182ae3
+F src/test_vfstrace.c f60e12754e65c05386aab59db8d2ae086314138d
 F src/test_wholenumber.c 3d2b9ed1505c40ad5c5ca2ad16ae7a289d6cc251
 F src/test_wsd.c 41cadfd9d97fe8e3e4e44f61a4a8ccd6f7ca8fe9
 F src/tokenize.c 1e86210d3976717a19238ea7b047fac481fe8c12
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-F src/update.c d3076782c887c10e882996550345da9c4c9f9dea
+F src/trigger.c 3f258307040173aff383eb23fb74c44fe829078c
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 F src/utf.c 890c67dcfcc7a74623c95baac7535aadfe265e84
-F src/util.c 4f6cfad661b2e3454b0cdd5b1b9d39a54942d0e3
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 F src/vacuum.c 587a52bb8833d7ac15af8916f25437e2575028bd
-F src/vdbe.c f5ad3c06dc3fe647097065829c013f3f1b9eadca
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 F src/vdbe.h 18f581cac1f4339ec3299f3e0cc6e11aec654cdb
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-F src/vdbeaux.c d52c8a424fdd4b1d5cf1ac93cc7cd20da023ec5c
+F src/vdbeInt.h 986b6b11a13c517337355009e5438703ba5b0a40
+F src/vdbeapi.c 88ea823bbcb4320f5a6607f39cd7c2d3cc4c26b1
+F src/vdbeaux.c 9c293fd3040211687e83d5d27bef2382933146c2
 F src/vdbeblob.c 32f2a4899d67f69634ea4dd93e3f651936d732cb
 F src/vdbemem.c cb55e84b8e2c15704968ee05f0fae25883299b74
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-F src/wal.c 7bb3ad807afc7973406c805d5157ec7a2f65e146
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+F src/vdbetrace.c 8bd5da325fc90f28464335e4cc4ad1407fe30835
+F src/vtab.c d2c54fd22aa83eb34fc6f7cd9b097f2fc2b1e9de
+F src/wal.c 5acb3e7bbd31f10ba39acad9ce6b399055337a9d
 F src/wal.h 29c197540b19044e6cd73487017e5e47a1d3dac6
-F src/walker.c 3112bb3afe1d85dc52317cb1d752055e9a781f8f
-F src/where.c 24c7494d8875ead994b4dfe5461340c27fd424ca
+F src/walker.c 3d75ba73de15e0f8cd0737643badbeb0e002f07b
+F src/where.c e74f9ed463b0153e7f2a0e5f291c2be16ae76b35
 F test/8_3_names.test 631ea964a3edb091cf73c3b540f6bcfdb36ce823
 F test/aggerror.test a867e273ef9e3d7919f03ef4f0e8c0d2767944f2
+F test/aggnested.test 0be144b453e0622a085fae8665c32f5676708e00
 F test/alias.test 4529fbc152f190268a15f9384a5651bbbabc9d87
 F test/all.test 52fc8dee494092031a556911d404ca30a749a30b
 F test/alter.test 57d96ec9b320bd07af77567034488dcb6642c748
@@ -274,6 +274,7 @@ F test/async2.test c0a9bd20816d7d6a2ceca7b8c03d3d69c28ffb8b
 F test/async3.test d73a062002376d7edc1fe3edff493edbec1fc2f7
 F test/async4.test 1787e3952128aa10238bf39945126de7ca23685a
 F test/async5.test 0dd8701bd588bf6e70c2557a22ae3f22b2567b4c
+F test/atof1.test 9bf1d25180a2e05fc12ce3940cc8003033642f68
 F test/attach.test 0d112b7713611fdf0340260192749737135fda5f
 F test/attach2.test e54436ed956d3d88bdee61221da59bf3935a0966
 F test/attach3.test d89ccfe4fe6e2b5e368d480fcdfe4b496c54cf4e
@@ -288,7 +289,7 @@ F test/autovacuum.test fcaf4616ae5bb18098db1cb36262565e5c841c3c
 F test/autovacuum_ioerr2.test 8a367b224183ad801e0e24dcb7d1501f45f244b4
 F test/avtrans.test 0252654f4295ddda3b2cce0e894812259e655a85
 F test/backcompat.test bccbc64769d9c755ad65ee7c2f7336b86e3cc0c8
-F test/backup.test 717346db953e9e435c2a94916e4af177330d60d3
+F test/backup.test c9cdd23a495864b9edf75a9fa66f5cb7e10fcf62
 F test/backup2.test 34986ef926ea522911a51dfdb2f8e99b7b75ebcf
 F test/backup_ioerr.test 40d208bc9224b666ee3ed423f49bc9062a36a9d0
 F test/backup_malloc.test 7162d604ec2b4683c4b3799a48657fb8b5e2d450
@@ -351,7 +352,7 @@ F test/corruptD.test 99b1999dbfa7cc04aaeac9d695a2445d4e7c7458
 F test/corruptE.test 1b9eb20a8711251ce57b44a257e241085b39b52d
 F test/corruptF.test 984b1706c9c0e4248141b056c21124612628d12e
 F test/count.test 454e1ce985c94d13efeac405ce54439f49336163
-F test/crash.test 519dc29f6fea151f015a23236e555239353946eb
+F test/crash.test fb9dc4a02dcba30d4aa5c2c226f98b220b2b959f
 F test/crash2.test 5b14d4eb58b880e231361d3b609b216acda86651
 F test/crash3.test 8f5de9d32ab9ab95475a9efe7f47a940aa889418
 F test/crash4.test fe2821baf37168dc59dd733dcf7dba2a401487bc
@@ -363,7 +364,7 @@ F test/crashtest1.c 09c1c7d728ccf4feb9e481671e29dda5669bbcc2
 F test/createtab.test b5de160630b209c4b8925bdcbbaf48cc90b67fe8
 F test/cse.test 277350a26264495e86b1785f34d2d0c8600e021c
 F test/ctime.test 7bd009071e242aac4f18521581536b652b789a47
-F test/date.test a18a2ce81add84b17b06559e82ad7bb91bc6ddff
+F test/date.test f3228180c87bbe5d39c9397bf001c0095c3821b9
 F test/dbstatus.test 207e5b63fcb7b9c3bb8e1fdf38ebd4654ad0e54b
 F test/dbstatus2.test b1de8250fde1f3474d6b86f0e89de38d84794f56
 F test/default.test 6faf23ccb300114924353007795aa9a8ec0aa9dc
@@ -464,8 +465,8 @@ F test/fts3al.test 07d64326e79bbdbab20ee87fc3328fbf01641c9f
 F test/fts3am.test 218aa6ba0dfc50c7c16b2022aac5c6be593d08d8
 F test/fts3an.test a49ccadc07a2f7d646ec1b81bc09da2d85a85b18
 F test/fts3ao.test e7b80272efcced57d1d087a9da5c690dd7c21fd9
-F test/fts3atoken.test 402ef2f7c2fb4b3d4fa0587df6441c1447e799b3
-F test/fts3auto.test b39f3f51227aea145eae6638690355dbdf9abf18
+F test/fts3atoken.test fb398ab50aa232489e2a17f9b29d7ad3a3885f36
+F test/fts3auto.test 74315a7377403a57ba82a652a33704197fe1e4be
 F test/fts3aux1.test 0b02743955d56fc0d4d66236a26177bd1b726de0
 F test/fts3b.test e93bbb653e52afde110ad53bbd793f14fe7a8984
 F test/fts3c.test fc723a9cf10b397fdfc2b32e73c53c8b1ec02958
@@ -475,8 +476,8 @@ F test/fts3corrupt.test 7b0f91780ca36118d73324ec803187208ad33b32
 F test/fts3corrupt2.test 6d96efae2f8a6af3eeaf283aba437e6d0e5447ba
 F test/fts3cov.test e0fb00d8b715ddae4a94c305992dfc3ef70353d7
 F test/fts3d.test bf640d79722b720fa1c81834c48cdaa45d531b1a
-F test/fts3defer.test 6c2707be1b05b9790ba8ff91d3391d5fb425269e
-F test/fts3defer2.test 35867d33ba6db03f6c73bd6f5fc333ae14f68c81
+F test/fts3defer.test 0be4440b73a2e651fc1e472066686d6ada4b9963
+F test/fts3defer2.test 83f8744407b7663e36716a9066302d53d49ddf8b
 F test/fts3drop.test 1b906e293d6773812587b3dc458cb9e8f3f0c297
 F test/fts3e.test 1f6c6ac9cc8b772ca256e6b22aaeed50c9350851
 F test/fts3expr.test 5e745b2b6348499d9ef8d59015de3182072c564c
@@ -485,7 +486,7 @@ F test/fts3fault.test cb72dccb0a3b9f730f16c5240f3fcb9303eb1660
 F test/fts3fault2.test 3198eef2804deea7cac8403e771d9cbcb752d887
 F test/fts3first.test dbdedd20914c8d539aa3206c9b34a23775644641
 F test/fts3malloc.test b86ea33db9e8c58c0c2f8027a9fcadaf6a1568be
-F test/fts3matchinfo.test 6507fe1c342e542300d65ea637d4110eccf894e6
+F test/fts3matchinfo.test 15edde2c4d373d60449658176af7164d622a62f0
 F test/fts3near.test 2e318ee434d32babd27c167142e2b94ddbab4844
 F test/fts3prefix.test b36d4f00b128a51e7b386cc013a874246d9d7dc1
 F test/fts3prefix2.test 477ca96e67f60745b7ac931cfa6e9b080c562da5
@@ -494,15 +495,15 @@ F test/fts3rnd.test 1320d8826a845e38a96e769562bf83d7a92a15d0
 F test/fts3shared.test 8bb266521d7c5495c0ae522bb4d376ad5387d4a2
 F test/fts3snippet.test 8e956051221a34c7daeb504f023cb54d5fa5a8b2
 F test/fts3sort.test 95be0b19d7e41c44b29014f13ea8bddd495fd659
-F test/fts4aa.test 6e7f90420b837b2c685f3bcbe84c868492d40a68
+F test/fts4aa.test 95f448fb02c4a976968b08d1b4ce134e720946ae
 F test/fts4check.test 66fa274cab2b615f2fb338b257713aba8fad88a8
 F test/fts4content.test 17b2360f7d1a9a7e5aa8022783f5c5731b6dfd4f
 F test/fts4langid.test 24a6e41063b416bbdf371ff6b4476fa41c194aa7
 F test/fts4merge.test c424309743fdd203f8e56a1f1cd7872cd66cc0ee
 F test/fts4merge2.test 5faa558d1b672f82b847d2a337465fa745e46891
 F test/fts4merge3.test aab02a09f50fe6baaddc2e159c3eabc116d45fc7
-F test/fts4unicode.test 247e6c64563b5f930aec0f89a5b01ed6b4b129cd
-F test/func.test 9809b7622d721904a8cc33c1ffb87f46d506ed01
+F test/fts4unicode.test aad033abdcfa0f87ce5f56468f59fdf2a0acbcef
+F test/func.test 0d89043dab9a8853358d14c68e028ee0093bf066
 F test/func2.test 772d66227e4e6684b86053302e2d74a2500e1e0f
 F test/func3.test 001021e5b88bd02a3b365a5c5fd8f6f49d39744a
 F test/fuzz-oss1.test 4912e528ec9cf2f42134456933659d371c9e0d74
@@ -532,6 +533,7 @@ F test/index.test b5429732b3b983fa810e3ac867d7ca85dae35097
 F test/index2.test ee83c6b5e3173a3d7137140d945d9a5d4fdfb9d6
 F test/index3.test 423a25c789fc8cc51aaf2a4370bbdde2d9e9eed7
 F test/index4.test 2983216eb8c86ee62d9ed7cb206b5cc3331c0026
+F test/index5.test edc8c64ca78bee140c21ce3836820fadf47906bb
 F test/indexedby.test be501e381b82b2f8ab406309ba7aac46e221f4ad
 F test/indexfault.test 31d4ab9a7d2f6e9616933eb079722362a883eb1d
 F test/init.test 15c823093fdabbf7b531fe22cf037134d09587a7
@@ -555,7 +557,7 @@ F test/join3.test 6f0c774ff1ba0489e6c88a3e77b9d3528fb4fda0
 F test/join4.test 1a352e4e267114444c29266ce79e941af5885916
 F test/join5.test 86675fc2919269aa923c84dd00ee4249b97990fe
 F test/join6.test cfe6503791ceb0cbb509966740286ec423cbf10b
-F test/journal1.test 8b71ef1ed5798bdc0e6eb616d8694e2c2c188d4d
+F test/journal1.test 69abc726c51b4a0409189f9a85191205297c0577
 F test/journal2.test ae06f566c28552c313ded3fee79a6c69e6d049b1
 F test/journal3.test ff8af941f9e06161d3db1b46bb9f965ff0e7f307
 F test/jrnlmode.test 9ee3a78f53d52cca737db69293d15dc41c0cbd36
@@ -567,7 +569,7 @@ F test/laststmtchanges.test ae613f53819206b3222771828d024154d51db200
 F test/like.test 7b4aaa4a8192fdec90e0a905984c92a688c51e48
 F test/like2.test 3b2ee13149ba4a8a60b59756f4e5d345573852da
 F test/limit.test 2db7b3b34fb925b8e847d583d2eb67531d0ce67e
-F test/loadext.test dab17f7014f8079698dbd4b02705562b0ce6db5f
+F test/loadext.test 2b5e249c51c986a5aff1f0950cf7ba30976c8f22
 F test/loadext2.test 0bcaeb4d81cd5b6e883fdfea3c1bdbe1f173cbca
 F test/lock.test db74fdf5a73bad29ab3d862ea78bf1068972cc1d
 F test/lock2.test 5242d8ac4e2d59c403aebff606af449b455aceff
@@ -617,7 +619,7 @@ F test/misc3.test fe55130a43e444ee75e2156ff75dc96e964b5738
 F test/misc4.test 9c078510fbfff05a9869a0b6d8b86a623ad2c4f6
 F test/misc5.test 528468b26d03303b1f047146e5eefc941b9069f5
 F test/misc6.test 953cc693924d88e6117aeba16f46f0bf5abede91
-F test/misc7.test 4337d84e441f36cee62656f9f7ba8bc22a7ca721
+F test/misc7.test f00dad9a004da659330013e6f21819d018b683d3
 F test/misuse.test ba4fb5d1a6101d1c171ea38b3c613d0661c83054
 F test/multiplex.test e08cc7177bd6d85990ee1d71100bb6c684c02256
 F test/multiplex2.test 580ca5817c7edbe4cc68fa150609c9473393003a
@@ -642,8 +644,8 @@ F test/pageropt.test 9191867ed19a2b3db6c42d1b36b6fbc657cd1ab0
 F test/pagesize.test 1dd51367e752e742f58e861e65ed7390603827a0
 F test/pcache.test 065aa286e722ab24f2e51792c1f093bf60656b16
 F test/pcache2.test a83efe2dec0d392f814bfc998def1d1833942025
-F test/permutations.test 2af90e00cea9e7e7c0a6b16d34727cb5bbae14dd
-F test/pragma.test cb736bcc75b8b629af21ac0ad83ba1d054a2107b
+F test/permutations.test 1a8ac849b659445a0b3883caf42fa2c2a289f4a1
+F test/pragma.test a62f73293b0f0d79b0c87f8dd32d46fe53b0bd17
 F test/pragma2.test 3a55f82b954242c642f8342b17dffc8b47472947
 F test/printf.test ec9870c4dce8686a37818e0bf1aba6e6a1863552
 F test/progress.test 5b075c3c790c7b2a61419bc199db87aaf48b8301
@@ -658,10 +660,10 @@ F test/randexpr1.test eda062a97e60f9c38ae8d806b03b0ddf23d796df
 F test/rdonly.test c267d050a1d9a6a321de502b737daf28821a518d
 F test/reindex.test 44edd3966b474468b823d481eafef0c305022254
 F test/releasetest.mk 2eced2f9ae701fd0a29e714a241760503ccba25a
-F test/releasetest.tcl fa302d03fd9acfce6d910553a33473bfcf561958
+F test/releasetest.tcl e48fd8e0e8abad89f30e08620790533ae4e02010
 F test/rollback.test a1b4784b864331eae8b2a98c189efa2a8b11ff07
 F test/rowhash.test 0bc1d31415e4575d10cacf31e1a66b5cc0f8be81
-F test/rowid.test e58e0acef38b527ed1b0b70d3ada588f804af287
+F test/rowid.test f777404492adb0e00868fd706a3721328fd3af48
 F test/rtree.test 0c8d9dd458d6824e59683c19ab2ffa9ef946f798
 F test/savepoint.test f5acd87d0c7a5f4ad6c547b47fd18c0e1aeaf048
 F test/savepoint2.test 9b8543940572a2f01a18298c3135ad0c9f4f67d7
@@ -676,12 +678,13 @@ F test/schema3.test 1bc1008e1f8cb5654b248c55f27249366eb7ed38
 F test/schema4.test e6a66e20cc69f0e306667c08be7fda3d11707dc5
 F test/schema5.test 0103e4c0313b3725b5ae5600bdca53006ab53db3
 F test/securedel.test 87a2561151af1f1e349071a89fdd77059f50113c
+F test/securedel2.test f13a916155f790a6b9de835049641b14ef312986
 F test/select1.test deba017eed9daa5af33de868676c997e7eebb931
 F test/select2.test 352480e0e9c66eda9c3044e412abdf5be0215b56
 F test/select3.test 2ce595f8fb8e2ac10071d3b4e424cadd4634a054
 F test/select4.test 00179be44e531fe04c1c3f15df216439dff2519d
 F test/select5.test e758b8ef94f69b111df4cb819008856655dcd535
-F test/select6.test cc25a8650cf9a4d4f74e586c45a75f9836516b18
+F test/select6.test e76bd10a56988f15726c097a5d5a7966fe82d3b2
 F test/select7.test dad6f00f0d49728a879d6eb6451d4752db0b0abe
 F test/select8.test 391de11bdd52339c30580dabbbbe97e3e9a3c79d
 F test/select9.test c0ca3cd87a8ebb04de2cb1402c77df55d911a0ea
@@ -717,6 +720,7 @@ F test/speed3.test d32043614c08c53eafdc80f33191d5bd9b920523
 F test/speed4.test abc0ad3399dcf9703abed2fff8705e4f8e416715
 F test/speed4p.explain 6b5f104ebeb34a038b2f714150f51d01143e59aa
 F test/speed4p.test 0e51908951677de5a969b723e03a27a1c45db38b
+F test/spellfix.test 2953e9da0e46dab5f83059ef6bfdebca66e13418
 F test/sqllimits1.test b1aae27cc98eceb845e7f7adf918561256e31298
 F test/stat.test 08e8185b3fd5b010c90d7ad82b9dd4ea1cbf14b0
 F test/stmt.test 25d64e3dbf9a3ce89558667d7f39d966fe2a71b9
@@ -730,7 +734,7 @@ F test/syscall.test bea9bf329bff733c791310244617c2a76974e64a
 F test/sysfault.test c79441d88d23696fbec7b147dba98d42a04f523f
 F test/table.test a59d985ca366e39b17b175f387f9d5db5a18d4e2
 F test/tableapi.test 2674633fa95d80da917571ebdd759a14d9819126
-F test/tclsqlite.test 1597d353308531527583481d14d9da52ea8ed0af
+F test/tclsqlite.test 952b772830bd380c9b5f58c03fb374189be53828
 F test/tempdb.test 19d0f66e2e3eeffd68661a11c83ba5e6ace9128c
 F test/temptable.test 51edd31c65ed1560dd600b1796e8325df96318e2
 F test/temptrigger.test 26670ed7a39cf2296a7f0a9e0a1d7bdb7abe936d
@@ -926,8 +930,8 @@ F test/vtab_alter.test 9e374885248f69e251bdaacf480b04a197f125e5
 F test/vtab_err.test 0d4d8eb4def1d053ac7c5050df3024fd47a3fbd8
 F test/vtab_shared.test 82f463886e18d7f8395a4b6167c91815efe54839
 F test/wal.test a040047d7f2b9f34bc4d597964e5e7c09609c635
-F test/wal2.test d5021064bebfc717fe2bf4db2536ea030b76a773
-F test/wal3.test 6504bbf348b2d6dfade64a064f1050fd617e8706
+F test/wal2.test d4b470f13c87f6d8268b004380afa04c3c67cb90
+F test/wal3.test b22eb662bcbc148c5f6d956eaf94b047f7afe9c0
 F test/wal4.test 4744e155cd6299c6bd99d3eab1c82f77db9cdb3c
 F test/wal5.test f58ed4b8b542f71c7441da12fbd769d99b362437
 F test/wal6.test 2e3bc767d9c2ce35c47106148d43fcbd072a93b3
@@ -945,10 +949,10 @@ F test/walhook.test ed00a40ba7255da22d6b66433ab61fab16a63483
 F test/walmode.test 4022fe03ae6e830583672caa101f046438a0473c
 F test/walnoshm.test 84ca10c544632a756467336b7c3b864d493ee496
 F test/walpersist.test 8c6b7e3ec1ba91b5e4dc4e0921d6d3f87cd356a6
-F test/walro.test e6bb27762c9f22601cbb8bff6e0acfd124e74b63
+F test/walro.test a31deb621033442a76c3a61e44929250d06f81b1
 F test/walshared.test 6dda2293880c300baf5d791c307f653094585761
 F test/walslow.test e7be6d9888f83aa5d3d3c7c08aa9b5c28b93609a
-F test/walthread.test a2ed5270eb695284d4ad27d252517bdc3317ee2a
+F test/walthread.test de8dbaf6d9e41481c460ba31ca61e163d7348f8e
 F test/where.test 4c9f69987ed2aa0173fa930f2b41ab9879478cd8
 F test/where2.test 43d4becaf5a5df854e6c21d624a1cb84c6904554
 F test/where3.test 667e75642102c97a00bf9b23d3cb267db321d006
@@ -962,28 +966,32 @@ F test/where9.test ae98dc22ef9b6f2bc81e9f164e41b38faa9bda06
 F test/whereA.test 24c234263c8fe358f079d5e57d884fb569d2da0a
 F test/whereB.test 0def95db3bdec220a731c7e4bec5930327c1d8c5
 F test/whereC.test 13ff5ec0dba407c0e0c075980c75b3275a6774e5
+F test/whereD.test 11945e79899a97958d87d1e5ac6ae5abd827356b
 F test/wherelimit.test 5e9fd41e79bb2b2d588ed999d641d9c965619b31
 F test/win32lock.test b2a539e85ae6b2d78475e016a9636b4451dc7fb9
 F test/zeroblob.test caaecfb4f908f7bc086ed238668049f96774d688
 F test/zerodamage.test 0de750389990b1078bab203c712dc3fefd1d8b82
+F tool/build-all-msvc.bat 1a18aa39983ae7354d834bc55a850a54fc007576 x
 F tool/build-shell.sh b64a481901fc9ffe5ca8812a2a9255b6cfb77381
+F tool/checkSpacing.c 810e51703529a204fc4e1eb060e9ab663e3c06d2
 F tool/diffdb.c 7524b1b5df217c20cd0431f6789851a4e0cb191b
 F tool/extract.c 054069d81b095fbdc189a6f5d4466e40380505e2
 F tool/fragck.tcl 5265a95126abcf6ab357f7efa544787e5963f439
 F tool/genfkey.README cf68fddd4643bbe3ff8e31b8b6d8b0a1b85e20f4
 F tool/genfkey.test 4196a8928b78f51d54ef58e99e99401ab2f0a7e5
 F tool/getlock.c f4c39b651370156cae979501a7b156bdba50e7ce
-F tool/lemon.c 90f46af31c92b940fec25b491f39409fd95dcdfa
+F tool/lemon.c 680980c7935bfa1edec20c804c9e5ba4b1dd96f5
 F tool/lempar.c 01ca97f87610d1dac6d8cd96ab109ab1130e76dc
 F tool/mkkeywordhash.c bb52064aa614e1426445e4b2b9b00eeecd23cc79
 F tool/mkopts.tcl 66ac10d240cc6e86abd37dc908d50382f84ff46e
 F tool/mkspeedsql.tcl a1a334d288f7adfe6e996f2e712becf076745c97
-F tool/mksqlite3c-noext.tcl 105023aa86f696a74b1d6a4929d1e1c3baf9471c
-F tool/mksqlite3c.tcl f289ba51f74f45c71a80c13e6c74a6dd92763253
+F tool/mksqlite3c-noext.tcl 8bce31074e4cbe631bb7676526a048335f4c9f02
+F tool/mksqlite3c.tcl 589c7f44e990be1b8443cfe4808dce392b0327fa
 F tool/mksqlite3h.tcl 78013ad79a5e492e5f764f3c7a8ef834255061f8
-F tool/mksqlite3internalh.tcl 7b43894e21bcb1bb39e11547ce7e38a063357e87
+F tool/mksqlite3internalh.tcl 3dca7bb5374cee003379b8cbac73714f610ef795
+F tool/mkvsix.tcl 19b2ab9ea16445953a76568a5bbe4cb864f92dfe
 F tool/offsets.c fe4262fdfa378e8f5499a42136d17bf3b98f6091
-F tool/omittest.tcl 72a49b8a9a8b0bf213a438180307a0df836d4380
+F tool/omittest.tcl 4665982e95a6e5c1bd806cf7bc3dea95be422d77
 F tool/opcodeDoc.awk b3a2a3d5d3075b8bd90b7afe24283efdd586659c
 F tool/restore_jrnl.tcl 6957a34f8f1f0f8285e07536225ec3b292a9024a
 F tool/rollback-test.c 9fc98427d1e23e84429d7e6d07d9094fbdec65a5
@@ -1005,10 +1013,11 @@ F tool/tostr.awk e75472c2f98dd76e06b8c9c1367f4ab07e122d06
 F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
-P 0ae0ce630a2e11f81dca50a9cfb04c4a41c03b2d
-R 45dae5fdb66a9a88c8595b45bd7db627
+F tool/win/sqlite.vsix 67d8a99aceb56384a81b3f30d6c71743146d2cc9
+P 81fd941da62956e32d1c4ffcdb39abecba7a6f3b
+R a82bf185a73888ab1f23d02429bade9e
 T +bgcolor * #d0c0ff
 T +sym-release *
-T +sym-version-3.7.13 *
+T +sym-version-3.7.14.1 *
 U drh
-Z c0babe9c1caac24f66a10b2544a508b6
+Z 002ec98f7f5b76deaac3a726393245f3
diff --git a/manifest.uuid b/manifest.uuid
index 54e4c41..f808cb0 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-f5b5a13f7394dc143aa136f1d4faba6839eaa6dc
+091570e46d04e84b67228e0bdbcd6e1fb60c6bdb
diff --git a/src/analyze.c b/src/analyze.c
index 4dfc331..632fdc1 100644
--- a/src/analyze.c
+++ b/src/analyze.c
@@ -176,7 +176,7 @@ static void openStatTable(
           "CREATE TABLE %Q.%s(%s)", pDb->zName, zTab, aTable[i].zCols
       );
       aRoot[i] = pParse->regRoot;
-      aCreateTbl[i] = 1;
+      aCreateTbl[i] = OPFLAG_P2ISREG;
     }else{
       /* The table already exists. If zWhere is not NULL, delete all entries 
       ** associated with the table zWhere. If zWhere is NULL, delete the
@@ -256,12 +256,11 @@ static void stat3Init(
   nRow = (tRowcnt)sqlite3_value_int64(argv[0]);
   mxSample = sqlite3_value_int(argv[1]);
   n = sizeof(*p) + sizeof(p->a[0])*mxSample;
-  p = sqlite3_malloc( n );
+  p = sqlite3MallocZero( n );
   if( p==0 ){
     sqlite3_result_error_nomem(context);
     return;
   }
-  memset(p, 0, n);
   p->a = (struct Stat3Sample*)&p[1];
   p->nRow = nRow;
   p->mxSample = mxSample;
diff --git a/src/backup.c b/src/backup.c
index 0ada33c..4881215 100644
--- a/src/backup.c
+++ b/src/backup.c
@@ -164,7 +164,7 @@ sqlite3_backup *sqlite3_backup_init(
     ** EVIDENCE-OF: R-64852-21591 The sqlite3_backup object is created by a
     ** call to sqlite3_backup_init() and is destroyed by a call to
     ** sqlite3_backup_finish(). */
-    p = (sqlite3_backup *)sqlite3_malloc(sizeof(sqlite3_backup));
+    p = (sqlite3_backup *)sqlite3MallocZero(sizeof(sqlite3_backup));
     if( !p ){
       sqlite3Error(pDestDb, SQLITE_NOMEM, 0);
     }
@@ -172,7 +172,6 @@ sqlite3_backup *sqlite3_backup_init(
 
   /* If the allocation succeeded, populate the new object. */
   if( p ){
-    memset(p, 0, sizeof(sqlite3_backup));
     p->pSrc = findBtree(pDestDb, pSrcDb, zSrcDb);
     p->pDest = findBtree(pDestDb, pDestDb, zDestDb);
     p->pDestDb = pDestDb;
@@ -543,14 +542,14 @@ int sqlite3_backup_step(sqlite3_backup *p, int nPage){
 */
 int sqlite3_backup_finish(sqlite3_backup *p){
   sqlite3_backup **pp;                 /* Ptr to head of pagers backup list */
-  MUTEX_LOGIC( sqlite3_mutex *mutex; ) /* Mutex to protect source database */
+  sqlite3 *pSrcDb;                     /* Source database connection */
   int rc;                              /* Value to return */
 
   /* Enter the mutexes */
   if( p==0 ) return SQLITE_OK;
-  sqlite3_mutex_enter(p->pSrcDb->mutex);
+  pSrcDb = p->pSrcDb;
+  sqlite3_mutex_enter(pSrcDb->mutex);
   sqlite3BtreeEnter(p->pSrc);
-  MUTEX_LOGIC( mutex = p->pSrcDb->mutex; )
   if( p->pDestDb ){
     sqlite3_mutex_enter(p->pDestDb->mutex);
   }
@@ -576,7 +575,7 @@ int sqlite3_backup_finish(sqlite3_backup *p){
 
   /* Exit the mutexes and free the backup context structure. */
   if( p->pDestDb ){
-    sqlite3_mutex_leave(p->pDestDb->mutex);
+    sqlite3LeaveMutexAndCloseZombie(p->pDestDb);
   }
   sqlite3BtreeLeave(p->pSrc);
   if( p->pDestDb ){
@@ -585,7 +584,7 @@ int sqlite3_backup_finish(sqlite3_backup *p){
     ** sqlite3_backup_finish(). */
     sqlite3_free(p);
   }
-  sqlite3_mutex_leave(mutex);
+  sqlite3LeaveMutexAndCloseZombie(pSrcDb);
   return rc;
 }
 
diff --git a/src/bitvec.c b/src/bitvec.c
index 47d33ea..8d805a6 100644
--- a/src/bitvec.c
+++ b/src/bitvec.c
@@ -340,10 +340,9 @@ int sqlite3BitvecBuiltinTest(int sz, int *aOp){
   /* Allocate the Bitvec to be tested and a linear array of
   ** bits to act as the reference */
   pBitvec = sqlite3BitvecCreate( sz );
-  pV = sqlite3_malloc( (sz+7)/8 + 1 );
+  pV = sqlite3MallocZero( (sz+7)/8 + 1 );
   pTmpSpace = sqlite3_malloc(BITVEC_SZ);
   if( pBitvec==0 || pV==0 || pTmpSpace==0  ) goto bitvec_end;
-  memset(pV, 0, (sz+7)/8 + 1);
 
   /* NULL pBitvec tests */
   sqlite3BitvecSet(0, 1);
diff --git a/src/btree.c b/src/btree.c
index c16eca5..d34d6ee 100644
--- a/src/btree.c
+++ b/src/btree.c
@@ -1461,7 +1461,7 @@ static int btreeInitPage(MemPage *pPage){
       size = get2byte(&data[pc+2]);
       if( (next>0 && next<=pc+size+3) || pc+size>usableSize ){
         /* Free blocks must be in ascending order. And the last byte of
-	** the free-block must lie on the database page.  */
+        ** the free-block must lie on the database page.  */
         return SQLITE_CORRUPT_BKPT; 
       }
       nFree = nFree + size;
@@ -2635,7 +2635,7 @@ int sqlite3BtreeBeginTrans(Btree *p, int wrflag){
       pBt->nTransaction++;
 #ifndef SQLITE_OMIT_SHARED_CACHE
       if( p->sharable ){
-	assert( p->lock.pBtree==p && p->lock.iTable==1 );
+        assert( p->lock.pBtree==p && p->lock.iTable==1 );
         p->lock.eLock = READ_LOCK;
         p->lock.pNext = pBt->pLock;
         pBt->pLock = &p->lock;
@@ -5922,11 +5922,15 @@ static void copyNodeContent(MemPage *pFrom, MemPage *pTo, int *pRC){
 ** If aOvflSpace is set to a null pointer, this function returns 
 ** SQLITE_NOMEM.
 */
+#if defined(_MSC_VER) && _MSC_VER >= 1700 && defined(_M_ARM)
+#pragma optimize("", off)
+#endif
 static int balance_nonroot(
   MemPage *pParent,               /* Parent page of siblings being balanced */
   int iParentIdx,                 /* Index of "the page" in pParent */
   u8 *aOvflSpace,                 /* page-size bytes of space for parent ovfl */
-  int isRoot                      /* True if pParent is a root-page */
+  int isRoot,                     /* True if pParent is a root-page */
+  int bBulk                       /* True if this call is part of a bulk load */
 ){
   BtShared *pBt;               /* The whole database */
   int nCell = 0;               /* Number of cells in apCell[] */
@@ -5990,18 +5994,19 @@ static int balance_nonroot(
   i = pParent->nOverflow + pParent->nCell;
   if( i<2 ){
     nxDiv = 0;
-    nOld = i+1;
   }else{
-    nOld = 3;
+    assert( bBulk==0 || bBulk==1 );
     if( iParentIdx==0 ){                 
       nxDiv = 0;
     }else if( iParentIdx==i ){
-      nxDiv = i-2;
+      nxDiv = i-2+bBulk;
     }else{
+      assert( bBulk==0 );
       nxDiv = iParentIdx-1;
     }
-    i = 2;
+    i = 2-bBulk;
   }
+  nOld = i+1;
   if( (i+nxDiv-pParent->nOverflow)==pParent->nCell ){
     pRight = &pParent->aData[pParent->hdrOffset+8];
   }else{
@@ -6081,7 +6086,7 @@ static int balance_nonroot(
   /*
   ** Load pointers to all cells on sibling pages and the divider cells
   ** into the local apCell[] array.  Make copies of the divider cells
-  ** into space obtained from aSpace1[] and remove the the divider Cells
+  ** into space obtained from aSpace1[] and remove the divider cells
   ** from pParent.
   **
   ** If the siblings are on leaf pages, then the child pointers of the
@@ -6210,7 +6215,9 @@ static int balance_nonroot(
     d = r + 1 - leafData;
     assert( d<nMaxCells );
     assert( r<nMaxCells );
-    while( szRight==0 || szRight+szCell[d]+2<=szLeft-(szCell[r]+2) ){
+    while( szRight==0 
+       || (!bBulk && szRight+szCell[d]+2<=szLeft-(szCell[r]+2)) 
+    ){
       szRight += szCell[d] + 2;
       szLeft -= szCell[r] + 2;
       cntNew[i-1]--;
@@ -6257,7 +6264,7 @@ static int balance_nonroot(
       if( rc ) goto balance_cleanup;
     }else{
       assert( i>0 );
-      rc = allocateBtreePage(pBt, &pNew, &pgno, pgno, 0);
+      rc = allocateBtreePage(pBt, &pNew, &pgno, (bBulk ? 1 : pgno), 0);
       if( rc ) goto balance_cleanup;
       apNew[i] = pNew;
       nNew++;
@@ -6469,6 +6476,7 @@ static int balance_nonroot(
         ** sibling page j. If the siblings are not leaf pages of an
         ** intkey b-tree, then cell i was a divider cell. */
         assert( j+1 < ArraySize(apCopy) );
+        assert( j+1 < nOld );
         pOld = apCopy[++j];
         iNextOld = i + !leafData + pOld->nCell + pOld->nOverflow;
         if( pOld->nOverflow ){
@@ -6547,6 +6555,9 @@ balance_cleanup:
 
   return rc;
 }
+#if defined(_MSC_VER) && _MSC_VER >= 1700 && defined(_M_ARM)
+#pragma optimize("", on)
+#endif
 
 
 /*
@@ -6707,7 +6718,7 @@ static int balance(BtCursor *pCur){
           ** pSpace buffer passed to the latter call to balance_nonroot().
           */
           u8 *pSpace = sqlite3PageMalloc(pCur->pBt->pageSize);
-          rc = balance_nonroot(pParent, iIdx, pSpace, iPage==1);
+          rc = balance_nonroot(pParent, iIdx, pSpace, iPage==1, pCur->hints);
           if( pFree ){
             /* If pFree is not NULL, it points to the pSpace buffer used 
             ** by a previous call to balance_nonroot(). Its contents are
@@ -8294,3 +8305,12 @@ int sqlite3BtreeSetVersion(Btree *pBtree, int iVersion){
   pBt->btsFlags &= ~BTS_NO_WAL;
   return rc;
 }
+
+/*
+** set the mask of hint flags for cursor pCsr. Currently the only valid
+** values are 0 and BTREE_BULKLOAD.
+*/
+void sqlite3BtreeCursorHints(BtCursor *pCsr, unsigned int mask){
+  assert( mask==BTREE_BULKLOAD || mask==0 );
+  pCsr->hints = mask;
+}
diff --git a/src/btree.h b/src/btree.h
index 9832001..95897d5 100644
--- a/src/btree.h
+++ b/src/btree.h
@@ -135,6 +135,12 @@ int sqlite3BtreeUpdateMeta(Btree*, int idx, u32 value);
 #define BTREE_USER_VERSION        6
 #define BTREE_INCR_VACUUM         7
 
+/*
+** Values that may be OR'd together to form the second argument of an
+** sqlite3BtreeCursorHints() call.
+*/
+#define BTREE_BULKLOAD 0x00000001
+
 int sqlite3BtreeCursor(
   Btree*,                              /* BTree containing table to open */
   int iTable,                          /* Index of root page */
@@ -178,8 +184,8 @@ struct Pager *sqlite3BtreePager(Btree*);
 int sqlite3BtreePutData(BtCursor*, u32 offset, u32 amt, void*);
 void sqlite3BtreeCacheOverflow(BtCursor *);
 void sqlite3BtreeClearCursor(BtCursor *);
-
 int sqlite3BtreeSetVersion(Btree *pBt, int iVersion);
+void sqlite3BtreeCursorHints(BtCursor *, unsigned int mask);
 
 #ifndef NDEBUG
 int sqlite3BtreeCursorIsValid(BtCursor*);
diff --git a/src/btreeInt.h b/src/btreeInt.h
index 0d21497..b157dec 100644
--- a/src/btreeInt.h
+++ b/src/btreeInt.h
@@ -510,6 +510,7 @@ struct BtCursor {
 #ifndef SQLITE_OMIT_INCRBLOB
   u8 isIncrblobHandle;      /* True if this cursor is an incr. io handle */
 #endif
+  u8 hints;                             /* As configured by CursorSetHints() */
   i16 iPage;                            /* Index of current page in apPage */
   u16 aiIdx[BTCURSOR_MAX_DEPTH];        /* Current index in apPage[i] */
   MemPage *apPage[BTCURSOR_MAX_DEPTH];  /* Pages from root to current page */
diff --git a/src/build.c b/src/build.c
index 9f13b7b..25e4740 100644
--- a/src/build.c
+++ b/src/build.c
@@ -534,7 +534,7 @@ void sqlite3DeleteTable(sqlite3 *db, Table *pTable){
     if( !db || db->pnBytesFreed==0 ){
       char *zName = pIndex->zName; 
       TESTONLY ( Index *pOld = ) sqlite3HashInsert(
-	  &pIndex->pSchema->idxHash, zName, sqlite3Strlen30(zName), 0
+         &pIndex->pSchema->idxHash, zName, sqlite3Strlen30(zName), 0
       );
       assert( db==0 || sqlite3SchemaMutexHeld(db, 0, pIndex->pSchema) );
       assert( pOld==pIndex || pOld==0 );
@@ -1581,7 +1581,7 @@ void sqlite3EndTable(
 
       assert(pParse->nTab==1);
       sqlite3VdbeAddOp3(v, OP_OpenWrite, 1, pParse->regRoot, iDb);
-      sqlite3VdbeChangeP5(v, 1);
+      sqlite3VdbeChangeP5(v, OPFLAG_P2ISREG);
       pParse->nTab = 2;
       sqlite3SelectDestInit(&dest, SRT_Table, 1);
       sqlite3Select(pParse, pSelect, &dest);
@@ -2397,9 +2397,7 @@ static void sqlite3RefillIndex(Parse *pParse, Index *pIndex, int memRootPage){
   pKey = sqlite3IndexKeyinfo(pParse, pIndex);
   sqlite3VdbeAddOp4(v, OP_OpenWrite, iIdx, tnum, iDb, 
                     (char *)pKey, P4_KEYINFO_HANDOFF);
-  if( memRootPage>=0 ){
-    sqlite3VdbeChangeP5(v, 1);
-  }
+  sqlite3VdbeChangeP5(v, OPFLAG_BULKCSR|((memRootPage>=0)?OPFLAG_P2ISREG:0));
 
 #ifndef SQLITE_OMIT_MERGE_SORT
   /* Open the sorter cursor if we are to use one. */
@@ -2538,7 +2536,7 @@ Index *sqlite3CreateIndex(
     assert( pName && pName->z );
 
 #ifndef SQLITE_OMIT_TEMPDB
-    /* If the index name was unqualified, check if the the table
+    /* If the index name was unqualified, check if the table
     ** is a temp table. If so, set the database to 1. Do not do this
     ** if initialising a database schema.
     */
diff --git a/src/delete.c b/src/delete.c
index eead485..44e5995 100644
--- a/src/delete.c
+++ b/src/delete.c
@@ -371,7 +371,7 @@ void sqlite3DeleteFrom(
     */
     sqlite3VdbeAddOp2(v, OP_Null, 0, iRowSet);
     pWInfo = sqlite3WhereBegin(
-        pParse, pTabList, pWhere, 0, 0, WHERE_DUPLICATES_OK
+        pParse, pTabList, pWhere, 0, 0, WHERE_DUPLICATES_OK, 0
     );
     if( pWInfo==0 ) goto delete_from_cleanup;
     regRowid = sqlite3ExprCodeGetColumn(pParse, pTab, -1, iCur, iRowid, 0);
diff --git a/src/expr.c b/src/expr.c
index 1e46596..89172f9 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -1701,7 +1701,7 @@ int sqlite3CodeSubselect(
 
         assert( !isRowid );
         sqlite3SelectDestInit(&dest, SRT_Set, pExpr->iTable);
-        dest.affinity = (u8)affinity;
+        dest.affSdst = (u8)affinity;
         assert( (pExpr->iTable&0x0000FFFF)==pExpr->iTable );
         pExpr->x.pSelect->iLimit = 0;
         if( sqlite3Select(pParse, pExpr->x.pSelect, &dest) ){
@@ -1794,11 +1794,11 @@ int sqlite3CodeSubselect(
       sqlite3SelectDestInit(&dest, 0, ++pParse->nMem);
       if( pExpr->op==TK_SELECT ){
         dest.eDest = SRT_Mem;
-        sqlite3VdbeAddOp2(v, OP_Null, 0, dest.iParm);
+        sqlite3VdbeAddOp2(v, OP_Null, 0, dest.iSDParm);
         VdbeComment((v, "Init subquery result"));
       }else{
         dest.eDest = SRT_Exists;
-        sqlite3VdbeAddOp2(v, OP_Integer, 0, dest.iParm);
+        sqlite3VdbeAddOp2(v, OP_Integer, 0, dest.iSDParm);
         VdbeComment((v, "Init EXISTS result"));
       }
       sqlite3ExprDelete(pParse->db, pSel->pLimit);
@@ -1808,7 +1808,7 @@ int sqlite3CodeSubselect(
       if( sqlite3Select(pParse, pSel, &dest) ){
         return 0;
       }
-      rReg = dest.iParm;
+      rReg = dest.iSDParm;
       ExprSetIrreducible(pExpr);
       break;
     }
@@ -3123,9 +3123,12 @@ void sqlite3ExplainExpr(Vdbe *pOut, Expr *pExpr){
       }else{
         pFarg = pExpr->x.pList;
       }
-      sqlite3ExplainPrintf(pOut, "%sFUNCTION:%s(",
-                           op==TK_AGG_FUNCTION ? "AGG_" : "",
-                           pExpr->u.zToken);
+      if( op==TK_AGG_FUNCTION ){
+        sqlite3ExplainPrintf(pOut, "AGG_FUNCTION%d:%s(",
+                             pExpr->op2, pExpr->u.zToken);
+      }else{
+        sqlite3ExplainPrintf(pOut, "FUNCTION:%s(", pExpr->u.zToken);
+      }
       if( pFarg ){
         sqlite3ExplainExprList(pOut, pFarg);
       }
@@ -3816,38 +3819,60 @@ int sqlite3ExprListCompare(ExprList *pA, ExprList *pB){
 }
 
 /*
-** This is the expression callback for sqlite3FunctionUsesOtherSrc().
-**
-** Determine if an expression references any table other than one of the
-** tables in pWalker->u.pSrcList and abort if it does.
+** An instance of the following structure is used by the tree walker
+** to count references to table columns in the arguments of an 
+** aggregate function, in order to implement the
+** sqlite3FunctionThisSrc() routine.
 */
-static int exprUsesOtherSrc(Walker *pWalker, Expr *pExpr){
-  if( pExpr->op==TK_COLUMN || pExpr->op==TK_AGG_COLUMN ){
+struct SrcCount {
+  SrcList *pSrc;   /* One particular FROM clause in a nested query */
+  int nThis;       /* Number of references to columns in pSrcList */
+  int nOther;      /* Number of references to columns in other FROM clauses */
+};
+
+/*
+** Count the number of references to columns.
+*/
+static int exprSrcCount(Walker *pWalker, Expr *pExpr){
+  /* The NEVER() on the second term is because sqlite3FunctionUsesThisSrc()
+  ** is always called before sqlite3ExprAnalyzeAggregates() and so the
+  ** TK_COLUMNs have not yet been converted into TK_AGG_COLUMN.  If
+  ** sqlite3FunctionUsesThisSrc() is used differently in the future, the
+  ** NEVER() will need to be removed. */
+  if( pExpr->op==TK_COLUMN || NEVER(pExpr->op==TK_AGG_COLUMN) ){
     int i;
-    SrcList *pSrc = pWalker->u.pSrcList;
+    struct SrcCount *p = pWalker->u.pSrcCount;
+    SrcList *pSrc = p->pSrc;
     for(i=0; i<pSrc->nSrc; i++){
-      if( pExpr->iTable==pSrc->a[i].iCursor ) return WRC_Continue;
+      if( pExpr->iTable==pSrc->a[i].iCursor ) break;
+    }
+    if( i<pSrc->nSrc ){
+      p->nThis++;
+    }else{
+      p->nOther++;
     }
-    return WRC_Abort;
-  }else{
-    return WRC_Continue;
   }
+  return WRC_Continue;
 }
 
 /*
-** Determine if any of the arguments to the pExpr Function references
-** any SrcList other than pSrcList.  Return true if they do.  Return
-** false if pExpr has no argument or has only constant arguments or
-** only references tables named in pSrcList.
+** Determine if any of the arguments to the pExpr Function reference
+** pSrcList.  Return true if they do.  Also return true if the function
+** has no arguments or has only constant arguments.  Return false if pExpr
+** references columns but not columns of tables found in pSrcList.
 */
-static int sqlite3FunctionUsesOtherSrc(Expr *pExpr, SrcList *pSrcList){
+int sqlite3FunctionUsesThisSrc(Expr *pExpr, SrcList *pSrcList){
   Walker w;
+  struct SrcCount cnt;
   assert( pExpr->op==TK_AGG_FUNCTION );
   memset(&w, 0, sizeof(w));
-  w.xExprCallback = exprUsesOtherSrc;
-  w.u.pSrcList = pSrcList;
-  if( sqlite3WalkExprList(&w, pExpr->x.pList)!=WRC_Continue ) return 1;
-  return 0;
+  w.xExprCallback = exprSrcCount;
+  w.u.pSrcCount = &cnt;
+  cnt.pSrc = pSrcList;
+  cnt.nThis = 0;
+  cnt.nOther = 0;
+  sqlite3WalkExprList(&w, pExpr->x.pList);
+  return cnt.nThis>0 || cnt.nOther==0;
 }
 
 /*
@@ -3966,7 +3991,7 @@ static int analyzeAggregate(Walker *pWalker, Expr *pExpr){
     }
     case TK_AGG_FUNCTION: {
       if( (pNC->ncFlags & NC_InAggFunc)==0
-       && !sqlite3FunctionUsesOtherSrc(pExpr, pSrcList)
+       && pWalker->walkerDepth==pExpr->op2
       ){
         /* Check to see if pExpr is a duplicate of another aggregate 
         ** function that is already in the pAggInfo structure
diff --git a/src/fkey.c b/src/fkey.c
index 82e4cdc..9db3a71 100644
--- a/src/fkey.c
+++ b/src/fkey.c
@@ -560,7 +560,7 @@ static void fkScanChildren(
   ** clause. If the constraint is not deferred, throw an exception for
   ** each row found. Otherwise, for deferred constraints, increment the
   ** deferred constraint counter by nIncr for each row selected.  */
-  pWInfo = sqlite3WhereBegin(pParse, pSrc, pWhere, 0, 0, 0);
+  pWInfo = sqlite3WhereBegin(pParse, pSrc, pWhere, 0, 0, 0, 0);
   if( nIncr>0 && pFKey->isDeferred==0 ){
     sqlite3ParseToplevel(pParse)->mayAbort = 1;
   }
diff --git a/src/func.c b/src/func.c
index 6ffc718..e56561e 100644
--- a/src/func.c
+++ b/src/func.c
@@ -863,8 +863,19 @@ static void quoteFunc(sqlite3_context *context, int argc, sqlite3_value **argv){
   assert( argc==1 );
   UNUSED_PARAMETER(argc);
   switch( sqlite3_value_type(argv[0]) ){
-    case SQLITE_INTEGER:
     case SQLITE_FLOAT: {
+      double r1, r2;
+      char zBuf[50];
+      r1 = sqlite3_value_double(argv[0]);
+      sqlite3_snprintf(sizeof(zBuf), zBuf, "%!.15g", r1);
+      sqlite3AtoF(zBuf, &r2, 20, SQLITE_UTF8);
+      if( r1!=r2 ){
+        sqlite3_snprintf(sizeof(zBuf), zBuf, "%!.20e", r1);
+      }
+      sqlite3_result_text(context, zBuf, -1, SQLITE_TRANSIENT);
+      break;
+    }
+    case SQLITE_INTEGER: {
       sqlite3_result_value(context, argv[0]);
       break;
     }
diff --git a/src/hash.c b/src/hash.c
index d4daf92..d7625d3 100644
--- a/src/hash.c
+++ b/src/hash.c
@@ -113,7 +113,11 @@ static int rehash(Hash *pH, unsigned int new_size){
 
   /* The inability to allocates space for a larger hash table is
   ** a performance hit but it is not a fatal error.  So mark the
-  ** allocation as a benign.
+  ** allocation as a benign. Use sqlite3Malloc()/memset(0) instead of 
+  ** sqlite3MallocZero() to make the allocation, as sqlite3MallocZero()
+  ** only zeroes the requested number of bytes whereas this module will
+  ** use the actual amount of space allocated for the hash table (which
+  ** may be larger than the requested amount).
   */
   sqlite3BeginBenignMalloc();
   new_ht = (struct _ht *)sqlite3Malloc( new_size*sizeof(struct _ht) );
diff --git a/src/insert.c b/src/insert.c
index a589c8a..a24e8f9 100644
--- a/src/insert.c
+++ b/src/insert.c
@@ -597,7 +597,7 @@ void sqlite3Insert(
     VdbeComment((v, "SELECT eof flag"));
     sqlite3SelectDestInit(&dest, SRT_Coroutine, ++pParse->nMem);
     addrSelect = sqlite3VdbeCurrentAddr(v)+2;
-    sqlite3VdbeAddOp2(v, OP_Integer, addrSelect-1, dest.iParm);
+    sqlite3VdbeAddOp2(v, OP_Integer, addrSelect-1, dest.iSDParm);
     j1 = sqlite3VdbeAddOp2(v, OP_Goto, 0, 0);
     VdbeComment((v, "Jump over SELECT coroutine"));
 
@@ -608,15 +608,15 @@ void sqlite3Insert(
       goto insert_cleanup;
     }
     sqlite3VdbeAddOp2(v, OP_Integer, 1, regEof);         /* EOF <- 1 */
-    sqlite3VdbeAddOp1(v, OP_Yield, dest.iParm);   /* yield X */
+    sqlite3VdbeAddOp1(v, OP_Yield, dest.iSDParm);   /* yield X */
     sqlite3VdbeAddOp2(v, OP_Halt, SQLITE_INTERNAL, OE_Abort);
     VdbeComment((v, "End of SELECT coroutine"));
     sqlite3VdbeJumpHere(v, j1);                          /* label B: */
 
-    regFromSelect = dest.iMem;
+    regFromSelect = dest.iSdst;
     assert( pSelect->pEList );
     nColumn = pSelect->pEList->nExpr;
-    assert( dest.nMem==nColumn );
+    assert( dest.nSdst==nColumn );
 
     /* Set useTempTable to TRUE if the result of the SELECT statement
     ** should be written into a temporary table (template 4).  Set to
@@ -652,7 +652,7 @@ void sqlite3Insert(
       regRec = sqlite3GetTempReg(pParse);
       regTempRowid = sqlite3GetTempReg(pParse);
       sqlite3VdbeAddOp2(v, OP_OpenEphemeral, srcTab, nColumn);
-      addrTop = sqlite3VdbeAddOp1(v, OP_Yield, dest.iParm);
+      addrTop = sqlite3VdbeAddOp1(v, OP_Yield, dest.iSDParm);
       addrIf = sqlite3VdbeAddOp1(v, OP_If, regEof);
       sqlite3VdbeAddOp3(v, OP_MakeRecord, regFromSelect, nColumn, regRec);
       sqlite3VdbeAddOp2(v, OP_NewRowid, srcTab, regTempRowid);
@@ -789,7 +789,7 @@ void sqlite3Insert(
     **         goto C
     **      D: ...
     */
-    addrCont = sqlite3VdbeAddOp1(v, OP_Yield, dest.iParm);
+    addrCont = sqlite3VdbeAddOp1(v, OP_Yield, dest.iSDParm);
     addrInsTop = sqlite3VdbeAddOp1(v, OP_If, regEof);
   }
 
@@ -1271,7 +1271,7 @@ void sqlite3GenerateConstraintChecks(
       case OE_Replace: {
         /* If there are DELETE triggers on this table and the
         ** recursive-triggers flag is set, call GenerateRowDelete() to
-        ** remove the conflicting row from the the table. This will fire
+        ** remove the conflicting row from the table. This will fire
         ** the triggers and remove both the table and index b-tree entries.
         **
         ** Otherwise, if there are no triggers or the recursive-triggers
diff --git a/src/main.c b/src/main.c
index 7ecb4f2..16294a6 100644
--- a/src/main.c
+++ b/src/main.c
@@ -765,13 +765,25 @@ static void disconnectAllVtab(sqlite3 *db){
 #endif
 }
 
+/*
+** Return TRUE if database connection db has unfinalized prepared
+** statements or unfinished sqlite3_backup objects.  
+*/
+static int connectionIsBusy(sqlite3 *db){
+  int j;
+  assert( sqlite3_mutex_held(db->mutex) );
+  if( db->pVdbe ) return 1;
+  for(j=0; j<db->nDb; j++){
+    Btree *pBt = db->aDb[j].pBt;
+    if( pBt && sqlite3BtreeIsInBackup(pBt) ) return 1;
+  }
+  return 0;
+}
+
 /*
 ** Close an existing SQLite database
 */
-int sqlite3_close(sqlite3 *db){
-  HashElem *i;                    /* Hash table iterator */
-  int j;
-
+static int sqlite3Close(sqlite3 *db, int forceZombie){
   if( !db ){
     return SQLITE_OK;
   }
@@ -792,25 +804,63 @@ int sqlite3_close(sqlite3 *db){
   */
   sqlite3VtabRollback(db);
 
-  /* If there are any outstanding VMs, return SQLITE_BUSY. */
-  if( db->pVdbe ){
-    sqlite3Error(db, SQLITE_BUSY, 
-        "unable to close due to unfinalised statements");
+  /* Legacy behavior (sqlite3_close() behavior) is to return
+  ** SQLITE_BUSY if the connection can not be closed immediately.
+  */
+  if( !forceZombie && connectionIsBusy(db) ){
+    sqlite3Error(db, SQLITE_BUSY, "unable to close due to unfinalized "
+       "statements or unfinished backups");
     sqlite3_mutex_leave(db->mutex);
     return SQLITE_BUSY;
   }
-  assert( sqlite3SafetyCheckSickOrOk(db) );
 
-  for(j=0; j<db->nDb; j++){
-    Btree *pBt = db->aDb[j].pBt;
-    if( pBt && sqlite3BtreeIsInBackup(pBt) ){
-      sqlite3Error(db, SQLITE_BUSY, 
-          "unable to close due to unfinished backup operation");
-      sqlite3_mutex_leave(db->mutex);
-      return SQLITE_BUSY;
-    }
+  /* Convert the connection into a zombie and then close it.
+  */
+  db->magic = SQLITE_MAGIC_ZOMBIE;
+  sqlite3LeaveMutexAndCloseZombie(db);
+  return SQLITE_OK;
+}
+
+/*
+** Two variations on the public interface for closing a database
+** connection. The sqlite3_close() version returns SQLITE_BUSY and
+** leaves the connection option if there are unfinalized prepared
+** statements or unfinished sqlite3_backups.  The sqlite3_close_v2()
+** version forces the connection to become a zombie if there are
+** unclosed resources, and arranges for deallocation when the last
+** prepare statement or sqlite3_backup closes.
+*/
+int sqlite3_close(sqlite3 *db){ return sqlite3Close(db,0); }
+int sqlite3_close_v2(sqlite3 *db){ return sqlite3Close(db,1); }
+
+
+/*
+** Close the mutex on database connection db.
+**
+** Furthermore, if database connection db is a zombie (meaning that there
+** has been a prior call to sqlite3_close(db) or sqlite3_close_v2(db)) and
+** every sqlite3_stmt has now been finalized and every sqlite3_backup has
+** finished, then free all resources.
+*/
+void sqlite3LeaveMutexAndCloseZombie(sqlite3 *db){
+  HashElem *i;                    /* Hash table iterator */
+  int j;
+
+  /* If there are outstanding sqlite3_stmt or sqlite3_backup objects
+  ** or if the connection has not yet been closed by sqlite3_close_v2(),
+  ** then just leave the mutex and return.
+  */
+  if( db->magic!=SQLITE_MAGIC_ZOMBIE || connectionIsBusy(db) ){
+    sqlite3_mutex_leave(db->mutex);
+    return;
   }
 
+  /* If we reach this point, it means that the database connection has
+  ** closed all sqlite3_stmt and sqlite3_backup objects and has been
+  ** pased to sqlite3_close (meaning that it is a zombie).  Therefore,
+  ** go ahead and free all resources.
+  */
+
   /* Free any outstanding Savepoint structures. */
   sqlite3CloseSavepoints(db);
 
@@ -898,7 +948,6 @@ int sqlite3_close(sqlite3 *db){
     sqlite3_free(db->lookaside.pStart);
   }
   sqlite3_free(db);
-  return SQLITE_OK;
 }
 
 /*
diff --git a/src/mem1.c b/src/mem1.c
index 8bb8a2f..3578496 100644
--- a/src/mem1.c
+++ b/src/mem1.c
@@ -231,14 +231,14 @@ static int sqlite3MemInit(void *NotUsed){
   }else{
     /* only 1 core, use our own zone to contention over global locks, 
     ** e.g. we have our own dedicated locks */
-    bool success;		
+    bool success;
     malloc_zone_t* newzone = malloc_create_zone(4096, 0);
     malloc_set_zone_name(newzone, "Sqlite_Heap");
     do{
       success = OSAtomicCompareAndSwapPtrBarrier(NULL, newzone, 
                                  (void * volatile *)&_sqliteZone_);
     }while(!_sqliteZone_);
-    if( !success ){	
+    if( !success ){
       /* somebody registered a zone first */
       malloc_destroy_zone(newzone);
     }
diff --git a/src/mutex.h b/src/mutex.h
index b0e552c..0978812 100644
--- a/src/mutex.h
+++ b/src/mutex.h
@@ -36,8 +36,6 @@
 **   SQLITE_MUTEX_PTHREADS     For multi-threaded applications on Unix.
 **
 **   SQLITE_MUTEX_W32          For multi-threaded applications on Win32.
-**
-**   SQLITE_MUTEX_OS2          For multi-threaded applications on OS/2.
 */
 #if !SQLITE_THREADSAFE
 # define SQLITE_MUTEX_OMIT
@@ -47,8 +45,6 @@
 #    define SQLITE_MUTEX_PTHREADS
 #  elif SQLITE_OS_WIN
 #    define SQLITE_MUTEX_W32
-#  elif SQLITE_OS_OS2
-#    define SQLITE_MUTEX_OS2
 #  else
 #    define SQLITE_MUTEX_NOOP
 #  endif
diff --git a/src/mutex_os2.c b/src/mutex_os2.c
deleted file mode 100644
index ce650d9..0000000
--- a/src/mutex_os2.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/*
-** 2007 August 28
-**
-** The author disclaims copyright to this source code.  In place of
-** a legal notice, here is a blessing:
-**
-**    May you do good and not evil.
-**    May you find forgiveness for yourself and forgive others.
-**    May you share freely, never taking more than you give.
-**
-*************************************************************************
-** This file contains the C functions that implement mutexes for OS/2
-*/
-#include "sqliteInt.h"
-
-/*
-** The code in this file is only used if SQLITE_MUTEX_OS2 is defined.
-** See the mutex.h file for details.
-*/
-#ifdef SQLITE_MUTEX_OS2
-
-/********************** OS/2 Mutex Implementation **********************
-**
-** This implementation of mutexes is built using the OS/2 API.
-*/
-
-/*
-** The mutex object
-** Each recursive mutex is an instance of the following structure.
-*/
-struct sqlite3_mutex {
-  HMTX mutex;       /* Mutex controlling the lock */
-  int  id;          /* Mutex type */
-#ifdef SQLITE_DEBUG
- int   trace;       /* True to trace changes */
-#endif
-};
-
-#ifdef SQLITE_DEBUG
-#define SQLITE3_MUTEX_INITIALIZER { 0, 0, 0 }
-#else
-#define SQLITE3_MUTEX_INITIALIZER { 0, 0 }
-#endif
-
-/*
-** Initialize and deinitialize the mutex subsystem.
-*/
-static int os2MutexInit(void){ return SQLITE_OK; }
-static int os2MutexEnd(void){ return SQLITE_OK; }
-
-/*
-** The sqlite3_mutex_alloc() routine allocates a new
-** mutex and returns a pointer to it.  If it returns NULL
-** that means that a mutex could not be allocated. 
-** SQLite will unwind its stack and return an error.  The argument
-** to sqlite3_mutex_alloc() is one of these integer constants:
-**
-** <ul>
-** <li>  SQLITE_MUTEX_FAST
-** <li>  SQLITE_MUTEX_RECURSIVE
-** <li>  SQLITE_MUTEX_STATIC_MASTER
-** <li>  SQLITE_MUTEX_STATIC_MEM
-** <li>  SQLITE_MUTEX_STATIC_MEM2
-** <li>  SQLITE_MUTEX_STATIC_PRNG
-** <li>  SQLITE_MUTEX_STATIC_LRU
-** <li>  SQLITE_MUTEX_STATIC_LRU2
-** </ul>
-**
-** The first two constants cause sqlite3_mutex_alloc() to create
-** a new mutex.  The new mutex is recursive when SQLITE_MUTEX_RECURSIVE
-** is used but not necessarily so when SQLITE_MUTEX_FAST is used.
-** The mutex implementation does not need to make a distinction
-** between SQLITE_MUTEX_RECURSIVE and SQLITE_MUTEX_FAST if it does
-** not want to.  But SQLite will only request a recursive mutex in
-** cases where it really needs one.  If a faster non-recursive mutex
-** implementation is available on the host platform, the mutex subsystem
-** might return such a mutex in response to SQLITE_MUTEX_FAST.
-**
-** The other allowed parameters to sqlite3_mutex_alloc() each return
-** a pointer to a static preexisting mutex.  Six static mutexes are
-** used by the current version of SQLite.  Future versions of SQLite
-** may add additional static mutexes.  Static mutexes are for internal
-** use by SQLite only.  Applications that use SQLite mutexes should
-** use only the dynamic mutexes returned by SQLITE_MUTEX_FAST or
-** SQLITE_MUTEX_RECURSIVE.
-**
-** Note that if one of the dynamic mutex parameters (SQLITE_MUTEX_FAST
-** or SQLITE_MUTEX_RECURSIVE) is used then sqlite3_mutex_alloc()
-** returns a different mutex on every call.  But for the static
-** mutex types, the same mutex is returned on every call that has
-** the same type number.
-*/
-static sqlite3_mutex *os2MutexAlloc(int iType){
-  sqlite3_mutex *p = NULL;
-  switch( iType ){
-    case SQLITE_MUTEX_FAST:
-    case SQLITE_MUTEX_RECURSIVE: {
-      p = sqlite3MallocZero( sizeof(*p) );
-      if( p ){
-        p->id = iType;
-        if( DosCreateMutexSem( 0, &p->mutex, 0, FALSE ) != NO_ERROR ){
-          sqlite3_free( p );
-          p = NULL;
-        }
-      }
-      break;
-    }
-    default: {
-      static volatile int isInit = 0;
-      static sqlite3_mutex staticMutexes[6] = {
-        SQLITE3_MUTEX_INITIALIZER,
-        SQLITE3_MUTEX_INITIALIZER,
-        SQLITE3_MUTEX_INITIALIZER,
-        SQLITE3_MUTEX_INITIALIZER,
-        SQLITE3_MUTEX_INITIALIZER,
-        SQLITE3_MUTEX_INITIALIZER,
-      };
-      if ( !isInit ){
-        APIRET rc;
-        PTIB ptib;
-        PPIB ppib;
-        HMTX mutex;
-        char name[32];
-        DosGetInfoBlocks( &ptib, &ppib );
-        sqlite3_snprintf( sizeof(name), name, "\\SEM32\\SQLITE%04x",
-                          ppib->pib_ulpid );
-        while( !isInit ){
-          mutex = 0;
-          rc = DosCreateMutexSem( name, &mutex, 0, FALSE);
-          if( rc == NO_ERROR ){
-            unsigned int i;
-            if( !isInit ){
-              for( i = 0; i < sizeof(staticMutexes)/sizeof(staticMutexes[0]); i++ ){
-                DosCreateMutexSem( 0, &staticMutexes[i].mutex, 0, FALSE );
-              }
-              isInit = 1;
-            }
-            DosCloseMutexSem( mutex );
-          }else if( rc == ERROR_DUPLICATE_NAME ){
-            DosSleep( 1 );
-          }else{
-            return p;
-          }
-        }
-      }
-      assert( iType-2 >= 0 );
-      assert( iType-2 < sizeof(staticMutexes)/sizeof(staticMutexes[0]) );
-      p = &staticMutexes[iType-2];
-      p->id = iType;
-      break;
-    }
-  }
-  return p;
-}
-
-
-/*
-** This routine deallocates a previously allocated mutex.
-** SQLite is careful to deallocate every mutex that it allocates.
-*/
-static void os2MutexFree(sqlite3_mutex *p){
-#ifdef SQLITE_DEBUG
-  TID tid;
-  PID pid;
-  ULONG ulCount;
-  DosQueryMutexSem(p->mutex, &pid, &tid, &ulCount);
-  assert( ulCount==0 );
-  assert( p->id==SQLITE_MUTEX_FAST || p->id==SQLITE_MUTEX_RECURSIVE );
-#endif
-  DosCloseMutexSem( p->mutex );
-  sqlite3_free( p );
-}
-
-#ifdef SQLITE_DEBUG
-/*
-** The sqlite3_mutex_held() and sqlite3_mutex_notheld() routine are
-** intended for use inside assert() statements.
-*/
-static int os2MutexHeld(sqlite3_mutex *p){
-  TID tid;
-  PID pid;
-  ULONG ulCount;
-  PTIB ptib;
-  DosQueryMutexSem(p->mutex, &pid, &tid, &ulCount);
-  if( ulCount==0 || ( ulCount>1 && p->id!=SQLITE_MUTEX_RECURSIVE ) )
-    return 0;
-  DosGetInfoBlocks(&ptib, NULL);
-  return tid==ptib->tib_ptib2->tib2_ultid;
-}
-static int os2MutexNotheld(sqlite3_mutex *p){
-  TID tid;
-  PID pid;
-  ULONG ulCount;
-  PTIB ptib;
-  DosQueryMutexSem(p->mutex, &pid, &tid, &ulCount);
-  if( ulCount==0 )
-    return 1;
-  DosGetInfoBlocks(&ptib, NULL);
-  return tid!=ptib->tib_ptib2->tib2_ultid;
-}
-static void os2MutexTrace(sqlite3_mutex *p, char *pAction){
-  TID   tid;
-  PID   pid;
-  ULONG ulCount;
-  DosQueryMutexSem(p->mutex, &pid, &tid, &ulCount);
-  printf("%s mutex %p (%d) with nRef=%ld\n", pAction, (void*)p, p->trace, ulCount);
-}
-#endif
-
-/*
-** The sqlite3_mutex_enter() and sqlite3_mutex_try() routines attempt
-** to enter a mutex.  If another thread is already within the mutex,
-** sqlite3_mutex_enter() will block and sqlite3_mutex_try() will return
-** SQLITE_BUSY.  The sqlite3_mutex_try() interface returns SQLITE_OK
-** upon successful entry.  Mutexes created using SQLITE_MUTEX_RECURSIVE can
-** be entered multiple times by the same thread.  In such cases the,
-** mutex must be exited an equal number of times before another thread
-** can enter.  If the same thread tries to enter any other kind of mutex
-** more than once, the behavior is undefined.
-*/
-static void os2MutexEnter(sqlite3_mutex *p){
-  assert( p->id==SQLITE_MUTEX_RECURSIVE || os2MutexNotheld(p) );
-  DosRequestMutexSem(p->mutex, SEM_INDEFINITE_WAIT);
-#ifdef SQLITE_DEBUG
-  if( p->trace ) os2MutexTrace(p, "enter");
-#endif
-}
-static int os2MutexTry(sqlite3_mutex *p){
-  int rc = SQLITE_BUSY;
-  assert( p->id==SQLITE_MUTEX_RECURSIVE || os2MutexNotheld(p) );
-  if( DosRequestMutexSem(p->mutex, SEM_IMMEDIATE_RETURN) == NO_ERROR ) {
-    rc = SQLITE_OK;
-#ifdef SQLITE_DEBUG
-    if( p->trace ) os2MutexTrace(p, "try");
-#endif
-  }
-  return rc;
-}
-
-/*
-** The sqlite3_mutex_leave() routine exits a mutex that was
-** previously entered by the same thread.  The behavior
-** is undefined if the mutex is not currently entered or
-** is not currently allocated.  SQLite will never do either.
-*/
-static void os2MutexLeave(sqlite3_mutex *p){
-  assert( os2MutexHeld(p) );
-  DosReleaseMutexSem(p->mutex);
-#ifdef SQLITE_DEBUG
-  if( p->trace ) os2MutexTrace(p, "leave");
-#endif
-}
-
-sqlite3_mutex_methods const *sqlite3DefaultMutex(void){
-  static const sqlite3_mutex_methods sMutex = {
-    os2MutexInit,
-    os2MutexEnd,
-    os2MutexAlloc,
-    os2MutexFree,
-    os2MutexEnter,
-    os2MutexTry,
-    os2MutexLeave,
-#ifdef SQLITE_DEBUG
-    os2MutexHeld,
-    os2MutexNotheld
-#else
-    0,
-    0
-#endif
-  };
-
-  return &sMutex;
-}
-#endif /* SQLITE_MUTEX_OS2 */
diff --git a/src/mutex_w32.c b/src/mutex_w32.c
index accf9ef..27d10af 100644
--- a/src/mutex_w32.c
+++ b/src/mutex_w32.c
@@ -109,7 +109,7 @@ static int winMutex_isInit = 0;
 */
 static long winMutex_lock = 0;
 
-extern void sqlite3_win32_sleep(DWORD milliseconds); /* os_win.c */
+void sqlite3_win32_sleep(DWORD milliseconds); /* os_win.c */
 
 static int winMutexInit(void){ 
   /* The first to increment to 1 does actual initialization */
diff --git a/src/os.h b/src/os.h
index 2efffff..1ec7d4b 100644
--- a/src/os.h
+++ b/src/os.h
@@ -23,7 +23,7 @@
 /*
 ** Figure out if we are dealing with Unix, Windows, or some other
 ** operating system.  After the following block of preprocess macros,
-** all of SQLITE_OS_UNIX, SQLITE_OS_WIN, SQLITE_OS_OS2, and SQLITE_OS_OTHER 
+** all of SQLITE_OS_UNIX, SQLITE_OS_WIN, and SQLITE_OS_OTHER 
 ** will defined to either 1 or 0.  One of the four will be 1.  The other 
 ** three will be 0.
 */
@@ -33,8 +33,6 @@
 #   define SQLITE_OS_UNIX 0
 #   undef SQLITE_OS_WIN
 #   define SQLITE_OS_WIN 0
-#   undef SQLITE_OS_OS2
-#   define SQLITE_OS_OS2 0
 # else
 #   undef SQLITE_OS_OTHER
 # endif
@@ -45,19 +43,12 @@
 #   if defined(_WIN32) || defined(WIN32) || defined(__CYGWIN__) || defined(__MINGW32__) || defined(__BORLANDC__)
 #     define SQLITE_OS_WIN 1
 #     define SQLITE_OS_UNIX 0
-#     define SQLITE_OS_OS2 0
-#   elif defined(__EMX__) || defined(_OS2) || defined(OS2) || defined(_OS2_) || defined(__OS2__)
-#     define SQLITE_OS_WIN 0
-#     define SQLITE_OS_UNIX 0
-#     define SQLITE_OS_OS2 1
 #   else
 #     define SQLITE_OS_WIN 0
 #     define SQLITE_OS_UNIX 1
-#     define SQLITE_OS_OS2 0
 #  endif
 # else
 #  define SQLITE_OS_UNIX 0
-#  define SQLITE_OS_OS2 0
 # endif
 #else
 # ifndef SQLITE_OS_WIN
@@ -69,21 +60,6 @@
 # include <windows.h>
 #endif
 
-#if SQLITE_OS_OS2
-# if (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 3) && defined(OS2_HIGH_MEMORY)
-#  include <os2safe.h> /* has to be included before os2.h for linking to work */
-# endif
-# define INCL_DOSDATETIME
-# define INCL_DOSFILEMGR
-# define INCL_DOSERRORS
-# define INCL_DOSMISC
-# define INCL_DOSPROCESS
-# define INCL_DOSMODULEMGR
-# define INCL_DOSSEMAPHORES
-# include <os2.h>
-# include <uconv.h>
-#endif
-
 /*
 ** Determine if we are dealing with Windows NT.
 **
@@ -116,8 +92,8 @@
 #endif
 
 /*
-** Determine if we are dealing with WindowsRT (Metro) as this has a different and
-** incompatible API from win32.
+** Determine if we are dealing with WinRT, which provides only a subset of
+** the full Win32 API.
 */
 #if !defined(SQLITE_OS_WINRT)
 # define SQLITE_OS_WINRT 0
diff --git a/src/os_os2.c b/src/os_os2.c
deleted file mode 100644
index 487ac3c..0000000
--- a/src/os_os2.c
+++ /dev/null
@@ -1,1924 +0,0 @@
-/*
-** 2006 Feb 14
-**
-** The author disclaims copyright to this source code.  In place of
-** a legal notice, here is a blessing:
-**
-**    May you do good and not evil.
-**    May you find forgiveness for yourself and forgive others.
-**    May you share freely, never taking more than you give.
-**
-******************************************************************************
-**
-** This file contains code that is specific to OS/2.
-*/
-
-#include "sqliteInt.h"
-
-#if SQLITE_OS_OS2
-
-/*
-** A Note About Memory Allocation:
-**
-** This driver uses malloc()/free() directly rather than going through
-** the SQLite-wrappers sqlite3_malloc()/sqlite3_free().  Those wrappers
-** are designed for use on embedded systems where memory is scarce and
-** malloc failures happen frequently.  OS/2 does not typically run on
-** embedded systems, and when it does the developers normally have bigger
-** problems to worry about than running out of memory.  So there is not
-** a compelling need to use the wrappers.
-**
-** But there is a good reason to not use the wrappers.  If we use the
-** wrappers then we will get simulated malloc() failures within this
-** driver.  And that causes all kinds of problems for our tests.  We
-** could enhance SQLite to deal with simulated malloc failures within
-** the OS driver, but the code to deal with those failure would not
-** be exercised on Linux (which does not need to malloc() in the driver)
-** and so we would have difficulty writing coverage tests for that
-** code.  Better to leave the code out, we think.
-**
-** The point of this discussion is as follows:  When creating a new
-** OS layer for an embedded system, if you use this file as an example,
-** avoid the use of malloc()/free().  Those routines work ok on OS/2
-** desktops but not so well in embedded systems.
-*/
-
-/*
-** Macros used to determine whether or not to use threads.
-*/
-#if defined(SQLITE_THREADSAFE) && SQLITE_THREADSAFE
-# define SQLITE_OS2_THREADS 1
-#endif
-
-/*
-** Include code that is common to all os_*.c files
-*/
-#include "os_common.h"
-
-/* Forward references */
-typedef struct os2File os2File;         /* The file structure */
-typedef struct os2ShmNode os2ShmNode;   /* A shared descritive memory node */
-typedef struct os2ShmLink os2ShmLink;   /* A connection to shared-memory */
-
-/*
-** The os2File structure is subclass of sqlite3_file specific for the OS/2
-** protability layer.
-*/
-struct os2File {
-  const sqlite3_io_methods *pMethod;  /* Always the first entry */
-  HFILE h;                  /* Handle for accessing the file */
-  int flags;                /* Flags provided to os2Open() */
-  int locktype;             /* Type of lock currently held on this file */
-  int szChunk;              /* Chunk size configured by FCNTL_CHUNK_SIZE */
-  char *zFullPathCp;        /* Full path name of this file */
-  os2ShmLink *pShmLink;     /* Instance of shared memory on this file */
-};
-
-#define LOCK_TIMEOUT 10L /* the default locking timeout */
-
-/*
-** Missing from some versions of the OS/2 toolkit -
-** used to allocate from high memory if possible
-*/
-#ifndef OBJ_ANY
-# define OBJ_ANY 0x00000400
-#endif
-
-/*****************************************************************************
-** The next group of routines implement the I/O methods specified
-** by the sqlite3_io_methods object.
-******************************************************************************/
-
-/*
-** Close a file.
-*/
-static int os2Close( sqlite3_file *id ){
-  APIRET rc;
-  os2File *pFile = (os2File*)id;
-
-  assert( id!=0 );
-  OSTRACE(( "CLOSE %d (%s)\n", pFile->h, pFile->zFullPathCp ));
-
-  rc = DosClose( pFile->h );
-
-  if( pFile->flags & SQLITE_OPEN_DELETEONCLOSE )
-    DosForceDelete( (PSZ)pFile->zFullPathCp );
-
-  free( pFile->zFullPathCp );
-  pFile->zFullPathCp = NULL;
-  pFile->locktype = NO_LOCK;
-  pFile->h = (HFILE)-1;
-  pFile->flags = 0;
-
-  OpenCounter( -1 );
-  return rc == NO_ERROR ? SQLITE_OK : SQLITE_IOERR;
-}
-
-/*
-** Read data from a file into a buffer.  Return SQLITE_OK if all
-** bytes were read successfully and SQLITE_IOERR if anything goes
-** wrong.
-*/
-static int os2Read(
-  sqlite3_file *id,               /* File to read from */
-  void *pBuf,                     /* Write content into this buffer */
-  int amt,                        /* Number of bytes to read */
-  sqlite3_int64 offset            /* Begin reading at this offset */
-){
-  ULONG fileLocation = 0L;
-  ULONG got;
-  os2File *pFile = (os2File*)id;
-  assert( id!=0 );
-  SimulateIOError( return SQLITE_IOERR_READ );
-  OSTRACE(( "READ %d lock=%d\n", pFile->h, pFile->locktype ));
-  if( DosSetFilePtr(pFile->h, offset, FILE_BEGIN, &fileLocation) != NO_ERROR ){
-    return SQLITE_IOERR;
-  }
-  if( DosRead( pFile->h, pBuf, amt, &got ) != NO_ERROR ){
-    return SQLITE_IOERR_READ;
-  }
-  if( got == (ULONG)amt )
-    return SQLITE_OK;
-  else {
-    /* Unread portions of the input buffer must be zero-filled */
-    memset(&((char*)pBuf)[got], 0, amt-got);
-    return SQLITE_IOERR_SHORT_READ;
-  }
-}
-
-/*
-** Write data from a buffer into a file.  Return SQLITE_OK on success
-** or some other error code on failure.
-*/
-static int os2Write(
-  sqlite3_file *id,               /* File to write into */
-  const void *pBuf,               /* The bytes to be written */
-  int amt,                        /* Number of bytes to write */
-  sqlite3_int64 offset            /* Offset into the file to begin writing at */
-){
-  ULONG fileLocation = 0L;
-  APIRET rc = NO_ERROR;
-  ULONG wrote;
-  os2File *pFile = (os2File*)id;
-  assert( id!=0 );
-  SimulateIOError( return SQLITE_IOERR_WRITE );
-  SimulateDiskfullError( return SQLITE_FULL );
-  OSTRACE(( "WRITE %d lock=%d\n", pFile->h, pFile->locktype ));
-  if( DosSetFilePtr(pFile->h, offset, FILE_BEGIN, &fileLocation) != NO_ERROR ){
-    return SQLITE_IOERR;
-  }
-  assert( amt>0 );
-  while( amt > 0 &&
-         ( rc = DosWrite( pFile->h, (PVOID)pBuf, amt, &wrote ) ) == NO_ERROR &&
-         wrote > 0
-  ){
-    amt -= wrote;
-    pBuf = &((char*)pBuf)[wrote];
-  }
-
-  return ( rc != NO_ERROR || amt > (int)wrote ) ? SQLITE_FULL : SQLITE_OK;
-}
-
-/*
-** Truncate an open file to a specified size
-*/
-static int os2Truncate( sqlite3_file *id, i64 nByte ){
-  APIRET rc;
-  os2File *pFile = (os2File*)id;
-  assert( id!=0 );
-  OSTRACE(( "TRUNCATE %d %lld\n", pFile->h, nByte ));
-  SimulateIOError( return SQLITE_IOERR_TRUNCATE );
-
-  /* If the user has configured a chunk-size for this file, truncate the
-  ** file so that it consists of an integer number of chunks (i.e. the
-  ** actual file size after the operation may be larger than the requested
-  ** size).
-  */
-  if( pFile->szChunk ){
-    nByte = ((nByte + pFile->szChunk - 1)/pFile->szChunk) * pFile->szChunk;
-  }
-  
-  rc = DosSetFileSize( pFile->h, nByte );
-  return rc == NO_ERROR ? SQLITE_OK : SQLITE_IOERR_TRUNCATE;
-}
-
-#ifdef SQLITE_TEST
-/*
-** Count the number of fullsyncs and normal syncs.  This is used to test
-** that syncs and fullsyncs are occuring at the right times.
-*/
-int sqlite3_sync_count = 0;
-int sqlite3_fullsync_count = 0;
-#endif
-
-/*
-** Make sure all writes to a particular file are committed to disk.
-*/
-static int os2Sync( sqlite3_file *id, int flags ){
-  os2File *pFile = (os2File*)id;
-  OSTRACE(( "SYNC %d lock=%d\n", pFile->h, pFile->locktype ));
-#ifdef SQLITE_TEST
-  if( flags & SQLITE_SYNC_FULL){
-    sqlite3_fullsync_count++;
-  }
-  sqlite3_sync_count++;
-#endif
-  /* If we compiled with the SQLITE_NO_SYNC flag, then syncing is a
-  ** no-op
-  */
-#ifdef SQLITE_NO_SYNC
-  UNUSED_PARAMETER(pFile);
-  return SQLITE_OK;
-#else
-  return DosResetBuffer( pFile->h ) == NO_ERROR ? SQLITE_OK : SQLITE_IOERR;
-#endif
-}
-
-/*
-** Determine the current size of a file in bytes
-*/
-static int os2FileSize( sqlite3_file *id, sqlite3_int64 *pSize ){
-  APIRET rc = NO_ERROR;
-  FILESTATUS3 fsts3FileInfo;
-  memset(&fsts3FileInfo, 0, sizeof(fsts3FileInfo));
-  assert( id!=0 );
-  SimulateIOError( return SQLITE_IOERR_FSTAT );
-  rc = DosQueryFileInfo( ((os2File*)id)->h, FIL_STANDARD, &fsts3FileInfo, sizeof(FILESTATUS3) );
-  if( rc == NO_ERROR ){
-    *pSize = fsts3FileInfo.cbFile;
-    return SQLITE_OK;
-  }else{
-    return SQLITE_IOERR_FSTAT;
-  }
-}
-
-/*
-** Acquire a reader lock.
-*/
-static int getReadLock( os2File *pFile ){
-  FILELOCK  LockArea,
-            UnlockArea;
-  APIRET res;
-  memset(&LockArea, 0, sizeof(LockArea));
-  memset(&UnlockArea, 0, sizeof(UnlockArea));
-  LockArea.lOffset = SHARED_FIRST;
-  LockArea.lRange = SHARED_SIZE;
-  UnlockArea.lOffset = 0L;
-  UnlockArea.lRange = 0L;
-  res = DosSetFileLocks( pFile->h, &UnlockArea, &LockArea, LOCK_TIMEOUT, 1L );
-  OSTRACE(( "GETREADLOCK %d res=%d\n", pFile->h, res ));
-  return res;
-}
-
-/*
-** Undo a readlock
-*/
-static int unlockReadLock( os2File *id ){
-  FILELOCK  LockArea,
-            UnlockArea;
-  APIRET res;
-  memset(&LockArea, 0, sizeof(LockArea));
-  memset(&UnlockArea, 0, sizeof(UnlockArea));
-  LockArea.lOffset = 0L;
-  LockArea.lRange = 0L;
-  UnlockArea.lOffset = SHARED_FIRST;
-  UnlockArea.lRange = SHARED_SIZE;
-  res = DosSetFileLocks( id->h, &UnlockArea, &LockArea, LOCK_TIMEOUT, 1L );
-  OSTRACE(( "UNLOCK-READLOCK file handle=%d res=%d?\n", id->h, res ));
-  return res;
-}
-
-/*
-** Lock the file with the lock specified by parameter locktype - one
-** of the following:
-**
-**     (1) SHARED_LOCK
-**     (2) RESERVED_LOCK
-**     (3) PENDING_LOCK
-**     (4) EXCLUSIVE_LOCK
-**
-** Sometimes when requesting one lock state, additional lock states
-** are inserted in between.  The locking might fail on one of the later
-** transitions leaving the lock state different from what it started but
-** still short of its goal.  The following chart shows the allowed
-** transitions and the inserted intermediate states:
-**
-**    UNLOCKED -> SHARED
-**    SHARED -> RESERVED
-**    SHARED -> (PENDING) -> EXCLUSIVE
-**    RESERVED -> (PENDING) -> EXCLUSIVE
-**    PENDING -> EXCLUSIVE
-**
-** This routine will only increase a lock.  The os2Unlock() routine
-** erases all locks at once and returns us immediately to locking level 0.
-** It is not possible to lower the locking level one step at a time.  You
-** must go straight to locking level 0.
-*/
-static int os2Lock( sqlite3_file *id, int locktype ){
-  int rc = SQLITE_OK;       /* Return code from subroutines */
-  APIRET res = NO_ERROR;    /* Result of an OS/2 lock call */
-  int newLocktype;       /* Set pFile->locktype to this value before exiting */
-  int gotPendingLock = 0;/* True if we acquired a PENDING lock this time */
-  FILELOCK  LockArea,
-            UnlockArea;
-  os2File *pFile = (os2File*)id;
-  memset(&LockArea, 0, sizeof(LockArea));
-  memset(&UnlockArea, 0, sizeof(UnlockArea));
-  assert( pFile!=0 );
-  OSTRACE(( "LOCK %d %d was %d\n", pFile->h, locktype, pFile->locktype ));
-
-  /* If there is already a lock of this type or more restrictive on the
-  ** os2File, do nothing. Don't use the end_lock: exit path, as
-  ** sqlite3_mutex_enter() hasn't been called yet.
-  */
-  if( pFile->locktype>=locktype ){
-    OSTRACE(( "LOCK %d %d ok (already held)\n", pFile->h, locktype ));
-    return SQLITE_OK;
-  }
-
-  /* Make sure the locking sequence is correct
-  */
-  assert( pFile->locktype!=NO_LOCK || locktype==SHARED_LOCK );
-  assert( locktype!=PENDING_LOCK );
-  assert( locktype!=RESERVED_LOCK || pFile->locktype==SHARED_LOCK );
-
-  /* Lock the PENDING_LOCK byte if we need to acquire a PENDING lock or
-  ** a SHARED lock.  If we are acquiring a SHARED lock, the acquisition of
-  ** the PENDING_LOCK byte is temporary.
-  */
-  newLocktype = pFile->locktype;
-  if( pFile->locktype==NO_LOCK
-      || (locktype==EXCLUSIVE_LOCK && pFile->locktype==RESERVED_LOCK)
-  ){
-    LockArea.lOffset = PENDING_BYTE;
-    LockArea.lRange = 1L;
-    UnlockArea.lOffset = 0L;
-    UnlockArea.lRange = 0L;
-
-    /* wait longer than LOCK_TIMEOUT here not to have to try multiple times */
-    res = DosSetFileLocks( pFile->h, &UnlockArea, &LockArea, 100L, 0L );
-    if( res == NO_ERROR ){
-      gotPendingLock = 1;
-      OSTRACE(( "LOCK %d pending lock boolean set.  res=%d\n", pFile->h, res ));
-    }
-  }
-
-  /* Acquire a shared lock
-  */
-  if( locktype==SHARED_LOCK && res == NO_ERROR ){
-    assert( pFile->locktype==NO_LOCK );
-    res = getReadLock(pFile);
-    if( res == NO_ERROR ){
-      newLocktype = SHARED_LOCK;
-    }
-    OSTRACE(( "LOCK %d acquire shared lock. res=%d\n", pFile->h, res ));
-  }
-
-  /* Acquire a RESERVED lock
-  */
-  if( locktype==RESERVED_LOCK && res == NO_ERROR ){
-    assert( pFile->locktype==SHARED_LOCK );
-    LockArea.lOffset = RESERVED_BYTE;
-    LockArea.lRange = 1L;
-    UnlockArea.lOffset = 0L;
-    UnlockArea.lRange = 0L;
-    res = DosSetFileLocks( pFile->h, &UnlockArea, &LockArea, LOCK_TIMEOUT, 0L );
-    if( res == NO_ERROR ){
-      newLocktype = RESERVED_LOCK;
-    }
-    OSTRACE(( "LOCK %d acquire reserved lock. res=%d\n", pFile->h, res ));
-  }
-
-  /* Acquire a PENDING lock
-  */
-  if( locktype==EXCLUSIVE_LOCK && res == NO_ERROR ){
-    newLocktype = PENDING_LOCK;
-    gotPendingLock = 0;
-    OSTRACE(( "LOCK %d acquire pending lock. pending lock boolean unset.\n",
-               pFile->h ));
-  }
-
-  /* Acquire an EXCLUSIVE lock
-  */
-  if( locktype==EXCLUSIVE_LOCK && res == NO_ERROR ){
-    assert( pFile->locktype>=SHARED_LOCK );
-    res = unlockReadLock(pFile);
-    OSTRACE(( "unreadlock = %d\n", res ));
-    LockArea.lOffset = SHARED_FIRST;
-    LockArea.lRange = SHARED_SIZE;
-    UnlockArea.lOffset = 0L;
-    UnlockArea.lRange = 0L;
-    res = DosSetFileLocks( pFile->h, &UnlockArea, &LockArea, LOCK_TIMEOUT, 0L );
-    if( res == NO_ERROR ){
-      newLocktype = EXCLUSIVE_LOCK;
-    }else{
-      OSTRACE(( "OS/2 error-code = %d\n", res ));
-      getReadLock(pFile);
-    }
-    OSTRACE(( "LOCK %d acquire exclusive lock.  res=%d\n", pFile->h, res ));
-  }
-
-  /* If we are holding a PENDING lock that ought to be released, then
-  ** release it now.
-  */
-  if( gotPendingLock && locktype==SHARED_LOCK ){
-    int r;
-    LockArea.lOffset = 0L;
-    LockArea.lRange = 0L;
-    UnlockArea.lOffset = PENDING_BYTE;
-    UnlockArea.lRange = 1L;
-    r = DosSetFileLocks( pFile->h, &UnlockArea, &LockArea, LOCK_TIMEOUT, 0L );
-    OSTRACE(( "LOCK %d unlocking pending/is shared. r=%d\n", pFile->h, r ));
-  }
-
-  /* Update the state of the lock has held in the file descriptor then
-  ** return the appropriate result code.
-  */
-  if( res == NO_ERROR ){
-    rc = SQLITE_OK;
-  }else{
-    OSTRACE(( "LOCK FAILED %d trying for %d but got %d\n", pFile->h,
-              locktype, newLocktype ));
-    rc = SQLITE_BUSY;
-  }
-  pFile->locktype = newLocktype;
-  OSTRACE(( "LOCK %d now %d\n", pFile->h, pFile->locktype ));
-  return rc;
-}
-
-/*
-** This routine checks if there is a RESERVED lock held on the specified
-** file by this or any other process. If such a lock is held, return
-** non-zero, otherwise zero.
-*/
-static int os2CheckReservedLock( sqlite3_file *id, int *pOut ){
-  int r = 0;
-  os2File *pFile = (os2File*)id;
-  assert( pFile!=0 );
-  if( pFile->locktype>=RESERVED_LOCK ){
-    r = 1;
-    OSTRACE(( "TEST WR-LOCK %d %d (local)\n", pFile->h, r ));
-  }else{
-    FILELOCK  LockArea,
-              UnlockArea;
-    APIRET rc = NO_ERROR;
-    memset(&LockArea, 0, sizeof(LockArea));
-    memset(&UnlockArea, 0, sizeof(UnlockArea));
-    LockArea.lOffset = RESERVED_BYTE;
-    LockArea.lRange = 1L;
-    UnlockArea.lOffset = 0L;
-    UnlockArea.lRange = 0L;
-    rc = DosSetFileLocks( pFile->h, &UnlockArea, &LockArea, LOCK_TIMEOUT, 0L );
-    OSTRACE(( "TEST WR-LOCK %d lock reserved byte rc=%d\n", pFile->h, rc ));
-    if( rc == NO_ERROR ){
-      APIRET rcu = NO_ERROR; /* return code for unlocking */
-      LockArea.lOffset = 0L;
-      LockArea.lRange = 0L;
-      UnlockArea.lOffset = RESERVED_BYTE;
-      UnlockArea.lRange = 1L;
-      rcu = DosSetFileLocks( pFile->h, &UnlockArea, &LockArea, LOCK_TIMEOUT, 0L );
-      OSTRACE(( "TEST WR-LOCK %d unlock reserved byte r=%d\n", pFile->h, rcu ));
-    }
-    r = !(rc == NO_ERROR);
-    OSTRACE(( "TEST WR-LOCK %d %d (remote)\n", pFile->h, r ));
-  }
-  *pOut = r;
-  return SQLITE_OK;
-}
-
-/*
-** Lower the locking level on file descriptor id to locktype.  locktype
-** must be either NO_LOCK or SHARED_LOCK.
-**
-** If the locking level of the file descriptor is already at or below
-** the requested locking level, this routine is a no-op.
-**
-** It is not possible for this routine to fail if the second argument
-** is NO_LOCK.  If the second argument is SHARED_LOCK then this routine
-** might return SQLITE_IOERR;
-*/
-static int os2Unlock( sqlite3_file *id, int locktype ){
-  int type;
-  os2File *pFile = (os2File*)id;
-  APIRET rc = SQLITE_OK;
-  APIRET res = NO_ERROR;
-  FILELOCK  LockArea,
-            UnlockArea;
-  memset(&LockArea, 0, sizeof(LockArea));
-  memset(&UnlockArea, 0, sizeof(UnlockArea));
-  assert( pFile!=0 );
-  assert( locktype<=SHARED_LOCK );
-  OSTRACE(( "UNLOCK %d to %d was %d\n", pFile->h, locktype, pFile->locktype ));
-  type = pFile->locktype;
-  if( type>=EXCLUSIVE_LOCK ){
-    LockArea.lOffset = 0L;
-    LockArea.lRange = 0L;
-    UnlockArea.lOffset = SHARED_FIRST;
-    UnlockArea.lRange = SHARED_SIZE;
-    res = DosSetFileLocks( pFile->h, &UnlockArea, &LockArea, LOCK_TIMEOUT, 0L );
-    OSTRACE(( "UNLOCK %d exclusive lock res=%d\n", pFile->h, res ));
-    if( locktype==SHARED_LOCK && getReadLock(pFile) != NO_ERROR ){
-      /* This should never happen.  We should always be able to
-      ** reacquire the read lock */
-      OSTRACE(( "UNLOCK %d to %d getReadLock() failed\n", pFile->h, locktype ));
-      rc = SQLITE_IOERR_UNLOCK;
-    }
-  }
-  if( type>=RESERVED_LOCK ){
-    LockArea.lOffset = 0L;
-    LockArea.lRange = 0L;
-    UnlockArea.lOffset = RESERVED_BYTE;
-    UnlockArea.lRange = 1L;
-    res = DosSetFileLocks( pFile->h, &UnlockArea, &LockArea, LOCK_TIMEOUT, 0L );
-    OSTRACE(( "UNLOCK %d reserved res=%d\n", pFile->h, res ));
-  }
-  if( locktype==NO_LOCK && type>=SHARED_LOCK ){
-    res = unlockReadLock(pFile);
-    OSTRACE(( "UNLOCK %d is %d want %d res=%d\n",
-              pFile->h, type, locktype, res ));
-  }
-  if( type>=PENDING_LOCK ){
-    LockArea.lOffset = 0L;
-    LockArea.lRange = 0L;
-    UnlockArea.lOffset = PENDING_BYTE;
-    UnlockArea.lRange = 1L;
-    res = DosSetFileLocks( pFile->h, &UnlockArea, &LockArea, LOCK_TIMEOUT, 0L );
-    OSTRACE(( "UNLOCK %d pending res=%d\n", pFile->h, res ));
-  }
-  pFile->locktype = locktype;
-  OSTRACE(( "UNLOCK %d now %d\n", pFile->h, pFile->locktype ));
-  return rc;
-}
-
-/*
-** Control and query of the open file handle.
-*/
-static int os2FileControl(sqlite3_file *id, int op, void *pArg){
-  switch( op ){
-    case SQLITE_FCNTL_LOCKSTATE: {
-      *(int*)pArg = ((os2File*)id)->locktype;
-      OSTRACE(( "FCNTL_LOCKSTATE %d lock=%d\n",
-                ((os2File*)id)->h, ((os2File*)id)->locktype ));
-      return SQLITE_OK;
-    }
-    case SQLITE_FCNTL_CHUNK_SIZE: {
-      ((os2File*)id)->szChunk = *(int*)pArg;
-      return SQLITE_OK;
-    }
-    case SQLITE_FCNTL_SIZE_HINT: {
-      sqlite3_int64 sz = *(sqlite3_int64*)pArg;
-      SimulateIOErrorBenign(1);
-      os2Truncate(id, sz);
-      SimulateIOErrorBenign(0);
-      return SQLITE_OK;
-    }
-    case SQLITE_FCNTL_SYNC_OMITTED: {
-      return SQLITE_OK;
-    }
-  }
-  return SQLITE_NOTFOUND;
-}
-
-/*
-** Return the sector size in bytes of the underlying block device for
-** the specified file. This is almost always 512 bytes, but may be
-** larger for some devices.
-**
-** SQLite code assumes this function cannot fail. It also assumes that
-** if two files are created in the same file-system directory (i.e.
-** a database and its journal file) that the sector size will be the
-** same for both.
-*/
-static int os2SectorSize(sqlite3_file *id){
-  UNUSED_PARAMETER(id);
-  return SQLITE_DEFAULT_SECTOR_SIZE;
-}
-
-/*
-** Return a vector of device characteristics.
-*/
-static int os2DeviceCharacteristics(sqlite3_file *id){
-  UNUSED_PARAMETER(id);
-  return SQLITE_IOCAP_UNDELETABLE_WHEN_OPEN;
-}
-
-
-/*
-** Character set conversion objects used by conversion routines.
-*/
-static UconvObject ucUtf8 = NULL; /* convert between UTF-8 and UCS-2 */
-static UconvObject uclCp = NULL;  /* convert between local codepage and UCS-2 */
-
-/*
-** Helper function to initialize the conversion objects from and to UTF-8.
-*/
-static void initUconvObjects( void ){
-  if( UniCreateUconvObject( UTF_8, &ucUtf8 ) != ULS_SUCCESS )
-    ucUtf8 = NULL;
-  if ( UniCreateUconvObject( (UniChar *)L"@path=yes", &uclCp ) != ULS_SUCCESS )
-    uclCp = NULL;
-}
-
-/*
-** Helper function to free the conversion objects from and to UTF-8.
-*/
-static void freeUconvObjects( void ){
-  if ( ucUtf8 )
-    UniFreeUconvObject( ucUtf8 );
-  if ( uclCp )
-    UniFreeUconvObject( uclCp );
-  ucUtf8 = NULL;
-  uclCp = NULL;
-}
-
-/*
-** Helper function to convert UTF-8 filenames to local OS/2 codepage.
-** The two-step process: first convert the incoming UTF-8 string
-** into UCS-2 and then from UCS-2 to the current codepage.
-** The returned char pointer has to be freed.
-*/
-static char *convertUtf8PathToCp( const char *in ){
-  UniChar tempPath[CCHMAXPATH];
-  char *out = (char *)calloc( CCHMAXPATH, 1 );
-
-  if( !out )
-    return NULL;
-
-  if( !ucUtf8 || !uclCp )
-    initUconvObjects();
-
-  /* determine string for the conversion of UTF-8 which is CP1208 */
-  if( UniStrToUcs( ucUtf8, tempPath, (char *)in, CCHMAXPATH ) != ULS_SUCCESS )
-    return out; /* if conversion fails, return the empty string */
-
-  /* conversion for current codepage which can be used for paths */
-  UniStrFromUcs( uclCp, out, tempPath, CCHMAXPATH );
-
-  return out;
-}
-
-/*
-** Helper function to convert filenames from local codepage to UTF-8.
-** The two-step process: first convert the incoming codepage-specific
-** string into UCS-2 and then from UCS-2 to the codepage of UTF-8.
-** The returned char pointer has to be freed.
-**
-** This function is non-static to be able to use this in shell.c and
-** similar applications that take command line arguments.
-*/
-char *convertCpPathToUtf8( const char *in ){
-  UniChar tempPath[CCHMAXPATH];
-  char *out = (char *)calloc( CCHMAXPATH, 1 );
-
-  if( !out )
-    return NULL;
-
-  if( !ucUtf8 || !uclCp )
-    initUconvObjects();
-
-  /* conversion for current codepage which can be used for paths */
-  if( UniStrToUcs( uclCp, tempPath, (char *)in, CCHMAXPATH ) != ULS_SUCCESS )
-    return out; /* if conversion fails, return the empty string */
-
-  /* determine string for the conversion of UTF-8 which is CP1208 */
-  UniStrFromUcs( ucUtf8, out, tempPath, CCHMAXPATH );
-
-  return out;
-}
-
-
-#ifndef SQLITE_OMIT_WAL
-
-/*
-** Use main database file for interprocess locking. If un-defined
-** a separate file is created for this purpose. The file will be
-** used only to set file locks. There will be no data written to it.
-*/
-#define SQLITE_OS2_NO_WAL_LOCK_FILE     
-
-#if 0
-static void _ERR_TRACE( const char *fmt, ... ) {
-  va_list  ap;
-  va_start(ap, fmt);
-  vfprintf(stderr, fmt, ap);
-  fflush(stderr);
-}
-#define ERR_TRACE(rc, msg)        \
-        if( (rc) != SQLITE_OK ) _ERR_TRACE msg;
-#else
-#define ERR_TRACE(rc, msg)
-#endif
-
-/*
-** Helper functions to obtain and relinquish the global mutex. The
-** global mutex is used to protect os2ShmNodeList.
-**
-** Function os2ShmMutexHeld() is used to assert() that the global mutex 
-** is held when required. This function is only used as part of assert() 
-** statements. e.g.
-**
-**   os2ShmEnterMutex()
-**     assert( os2ShmMutexHeld() );
-**   os2ShmLeaveMutex()
-*/
-static void os2ShmEnterMutex(void){
-  sqlite3_mutex_enter(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER));
-}
-static void os2ShmLeaveMutex(void){
-  sqlite3_mutex_leave(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER));
-}
-#ifdef SQLITE_DEBUG
-static int os2ShmMutexHeld(void) {
-  return sqlite3_mutex_held(sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER));
-}
-int GetCurrentProcessId(void) {
-  PPIB pib;
-  DosGetInfoBlocks(NULL, &pib);
-  return (int)pib->pib_ulpid;
-}
-#endif
-
-/*
-** Object used to represent a the shared memory area for a single log file.
-** When multiple threads all reference the same log-summary, each thread has
-** its own os2File object, but they all point to a single instance of this 
-** object.  In other words, each log-summary is opened only once per process.
-**
-** os2ShmMutexHeld() must be true when creating or destroying
-** this object or while reading or writing the following fields:
-**
-**      nRef
-**      pNext 
-**
-** The following fields are read-only after the object is created:
-** 
-**      szRegion
-**      hLockFile
-**      shmBaseName
-**
-** Either os2ShmNode.mutex must be held or os2ShmNode.nRef==0 and
-** os2ShmMutexHeld() is true when reading or writing any other field
-** in this structure.
-**
-*/
-struct os2ShmNode {
-  sqlite3_mutex *mutex;      /* Mutex to access this object */
-  os2ShmNode *pNext;         /* Next in list of all os2ShmNode objects */
-
-  int szRegion;              /* Size of shared-memory regions */
-
-  int nRegion;               /* Size of array apRegion */
-  void **apRegion;           /* Array of pointers to shared-memory regions */
-
-  int nRef;                  /* Number of os2ShmLink objects pointing to this */
-  os2ShmLink *pFirst;        /* First os2ShmLink object pointing to this */
-
-  HFILE hLockFile;           /* File used for inter-process memory locking */
-  char shmBaseName[1];       /* Name of the memory object !!! must last !!! */
-};
-
-
-/*
-** Structure used internally by this VFS to record the state of an
-** open shared memory connection.
-**
-** The following fields are initialized when this object is created and
-** are read-only thereafter:
-**
-**    os2Shm.pShmNode
-**    os2Shm.id
-**
-** All other fields are read/write.  The os2Shm.pShmNode->mutex must be held
-** while accessing any read/write fields.
-*/
-struct os2ShmLink {
-  os2ShmNode *pShmNode;      /* The underlying os2ShmNode object */
-  os2ShmLink *pNext;         /* Next os2Shm with the same os2ShmNode */
-  u32 sharedMask;            /* Mask of shared locks held */
-  u32 exclMask;              /* Mask of exclusive locks held */
-#ifdef SQLITE_DEBUG
-  u8 id;                     /* Id of this connection with its os2ShmNode */
-#endif
-};
-
-
-/*
-** A global list of all os2ShmNode objects.
-**
-** The os2ShmMutexHeld() must be true while reading or writing this list.
-*/
-static os2ShmNode *os2ShmNodeList = NULL;
-
-/*
-** Constants used for locking
-*/
-#ifdef  SQLITE_OS2_NO_WAL_LOCK_FILE
-#define OS2_SHM_BASE   (PENDING_BYTE + 0x10000)         /* first lock byte */
-#else
-#define OS2_SHM_BASE   ((22+SQLITE_SHM_NLOCK)*4)        /* first lock byte */
-#endif
-
-#define OS2_SHM_DMS    (OS2_SHM_BASE+SQLITE_SHM_NLOCK)  /* deadman switch */
-
-/*
-** Apply advisory locks for all n bytes beginning at ofst.
-*/
-#define _SHM_UNLCK  1   /* no lock */
-#define _SHM_RDLCK  2   /* shared lock, no wait */
-#define _SHM_WRLCK  3   /* exlusive lock, no wait */
-#define _SHM_WRLCK_WAIT 4 /* exclusive lock, wait */
-static int os2ShmSystemLock(
-  os2ShmNode *pNode,    /* Apply locks to this open shared-memory segment */
-  int lockType,         /* _SHM_UNLCK, _SHM_RDLCK, _SHM_WRLCK or _SHM_WRLCK_WAIT */
-  int ofst,             /* Offset to first byte to be locked/unlocked */
-  int nByte             /* Number of bytes to lock or unlock */
-){
-  APIRET rc;
-  FILELOCK area;
-  ULONG mode, timeout;
-
-  /* Access to the os2ShmNode object is serialized by the caller */
-  assert( sqlite3_mutex_held(pNode->mutex) || pNode->nRef==0 );
-
-  mode = 1;     /* shared lock */
-  timeout = 0;  /* no wait */
-  area.lOffset = ofst;
-  area.lRange = nByte;
-
-  switch( lockType ) {
-    case _SHM_WRLCK_WAIT:
-      timeout = (ULONG)-1;      /* wait forever */
-    case _SHM_WRLCK:
-      mode = 0;                 /* exclusive lock */
-    case _SHM_RDLCK:
-      rc = DosSetFileLocks(pNode->hLockFile, 
-                           NULL, &area, timeout, mode);
-      break;
-    /* case _SHM_UNLCK: */
-    default:
-      rc = DosSetFileLocks(pNode->hLockFile, 
-                           &area, NULL, 0, 0);
-      break;
-  }
-                          
-  OSTRACE(("SHM-LOCK %d %s %s 0x%08lx\n", 
-           pNode->hLockFile,
-           rc==SQLITE_OK ? "ok" : "failed",
-           lockType==_SHM_UNLCK ? "Unlock" : "Lock",
-           rc));
-
-  ERR_TRACE(rc, ("os2ShmSystemLock: %d %s\n", rc, pNode->shmBaseName))
-
-  return ( rc == 0 ) ?  SQLITE_OK : SQLITE_BUSY;
-}
-
-/*
-** Find an os2ShmNode in global list or allocate a new one, if not found.
-**
-** This is not a VFS shared-memory method; it is a utility function called
-** by VFS shared-memory methods.
-*/
-static int os2OpenSharedMemory( os2File *fd, int szRegion ) {
-  os2ShmLink *pLink;
-  os2ShmNode *pNode;
-  int cbShmName, rc = SQLITE_OK;
-  char shmName[CCHMAXPATH + 30];
-#ifndef SQLITE_OS2_NO_WAL_LOCK_FILE
-  ULONG action;
-#endif
-  
-  /* We need some additional space at the end to append the region number */
-  cbShmName = sprintf(shmName, "\\SHAREMEM\\%s", fd->zFullPathCp );
-  if( cbShmName >= CCHMAXPATH-8 )
-    return SQLITE_IOERR_SHMOPEN; 
-
-  /* Replace colon in file name to form a valid shared memory name */
-  shmName[10+1] = '!';
-
-  /* Allocate link object (we free it later in case of failure) */
-  pLink = sqlite3_malloc( sizeof(*pLink) );
-  if( !pLink )
-    return SQLITE_NOMEM;
-
-  /* Access node list */
-  os2ShmEnterMutex();
-
-  /* Find node by it's shared memory base name */
-  for( pNode = os2ShmNodeList; 
-       pNode && stricmp(shmName, pNode->shmBaseName) != 0; 
-       pNode = pNode->pNext )   ;
-
-  /* Not found: allocate a new node */
-  if( !pNode ) {
-    pNode = sqlite3_malloc( sizeof(*pNode) + cbShmName );
-    if( pNode ) {
-      memset(pNode, 0, sizeof(*pNode) );
-      pNode->szRegion = szRegion;
-      pNode->hLockFile = (HFILE)-1;      
-      strcpy(pNode->shmBaseName, shmName);
-
-#ifdef SQLITE_OS2_NO_WAL_LOCK_FILE
-      if( DosDupHandle(fd->h, &pNode->hLockFile) != 0 ) {
-#else
-      sprintf(shmName, "%s-lck", fd->zFullPathCp);
-      if( DosOpen((PSZ)shmName, &pNode->hLockFile, &action, 0, FILE_NORMAL, 
-                  OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_CREATE_IF_NEW,
-                  OPEN_ACCESS_READWRITE | OPEN_SHARE_DENYNONE | 
-                  OPEN_FLAGS_NOINHERIT | OPEN_FLAGS_FAIL_ON_ERROR,
-                  NULL) != 0 ) {
-#endif
-        sqlite3_free(pNode);  
-        rc = SQLITE_IOERR;
-      } else {
-        pNode->mutex = sqlite3_mutex_alloc(SQLITE_MUTEX_FAST);
-        if( !pNode->mutex ) {
-          sqlite3_free(pNode);  
-          rc = SQLITE_NOMEM;
-        }
-      }   
-    } else {
-      rc = SQLITE_NOMEM;
-    }
-    
-    if( rc == SQLITE_OK ) {
-      pNode->pNext = os2ShmNodeList;
-      os2ShmNodeList = pNode;
-    } else {
-      pNode = NULL;
-    }
-  } else if( pNode->szRegion != szRegion ) {
-    rc = SQLITE_IOERR_SHMSIZE;
-    pNode = NULL;
-  }
-
-  if( pNode ) {
-    sqlite3_mutex_enter(pNode->mutex);
-
-    memset(pLink, 0, sizeof(*pLink));
-
-    pLink->pShmNode = pNode;
-    pLink->pNext = pNode->pFirst;
-    pNode->pFirst = pLink;
-    pNode->nRef++;
-
-    fd->pShmLink = pLink;
-
-    sqlite3_mutex_leave(pNode->mutex);
-    
-  } else {
-    /* Error occured. Free our link object. */
-    sqlite3_free(pLink);  
-  }
-
-  os2ShmLeaveMutex();
-
-  ERR_TRACE(rc, ("os2OpenSharedMemory: %d  %s\n", rc, fd->zFullPathCp))  
-  
-  return rc;
-}
-
-/*
-** Purge the os2ShmNodeList list of all entries with nRef==0.
-**
-** This is not a VFS shared-memory method; it is a utility function called
-** by VFS shared-memory methods.
-*/
-static void os2PurgeShmNodes( int deleteFlag ) {
-  os2ShmNode *pNode;
-  os2ShmNode **ppNode;
-
-  os2ShmEnterMutex();
-  
-  ppNode = &os2ShmNodeList;
-
-  while( *ppNode ) {
-    pNode = *ppNode;
-
-    if( pNode->nRef == 0 ) {
-      *ppNode = pNode->pNext;   
-     
-      if( pNode->apRegion ) {
-        /* Prevent other processes from resizing the shared memory */
-        os2ShmSystemLock(pNode, _SHM_WRLCK_WAIT, OS2_SHM_DMS, 1);
-
-        while( pNode->nRegion-- ) {
-#ifdef SQLITE_DEBUG
-          int rc = 
-#endif          
-          DosFreeMem(pNode->apRegion[pNode->nRegion]);
-
-          OSTRACE(("SHM-PURGE pid-%d unmap region=%d %s\n",
-                  (int)GetCurrentProcessId(), pNode->nRegion,
-                  rc == 0 ? "ok" : "failed"));
-        }
-
-        /* Allow other processes to resize the shared memory */
-        os2ShmSystemLock(pNode, _SHM_UNLCK, OS2_SHM_DMS, 1);
-
-        sqlite3_free(pNode->apRegion);
-      }  
-
-      DosClose(pNode->hLockFile);
-      
-#ifndef SQLITE_OS2_NO_WAL_LOCK_FILE
-      if( deleteFlag ) {
-         char fileName[CCHMAXPATH];
-         /* Skip "\\SHAREMEM\\" */
-         sprintf(fileName, "%s-lck", pNode->shmBaseName + 10);
-         /* restore colon */
-         fileName[1] = ':';
-         
-         DosForceDelete(fileName); 
-      }
-#endif
-
-      sqlite3_mutex_free(pNode->mutex);
-
-      sqlite3_free(pNode);
-      
-    } else {
-      ppNode = &pNode->pNext;
-    }
-  } 
-
-  os2ShmLeaveMutex();
-}
-
-/*
-** This function is called to obtain a pointer to region iRegion of the
-** shared-memory associated with the database file id. Shared-memory regions
-** are numbered starting from zero. Each shared-memory region is szRegion
-** bytes in size.
-**
-** If an error occurs, an error code is returned and *pp is set to NULL.
-**
-** Otherwise, if the bExtend parameter is 0 and the requested shared-memory
-** region has not been allocated (by any client, including one running in a
-** separate process), then *pp is set to NULL and SQLITE_OK returned. If
-** bExtend is non-zero and the requested shared-memory region has not yet
-** been allocated, it is allocated by this function.
-**
-** If the shared-memory region has already been allocated or is allocated by
-** this call as described above, then it is mapped into this processes
-** address space (if it is not already), *pp is set to point to the mapped
-** memory and SQLITE_OK returned.
-*/
-static int os2ShmMap(
-  sqlite3_file *id,               /* Handle open on database file */
-  int iRegion,                    /* Region to retrieve */
-  int szRegion,                   /* Size of regions */
-  int bExtend,                    /* True to extend block if necessary */
-  void volatile **pp              /* OUT: Mapped memory */
-){
-  PVOID pvTemp;
-  void **apRegion;
-  os2ShmNode *pNode;
-  int n, rc = SQLITE_OK;
-  char shmName[CCHMAXPATH];
-  os2File *pFile = (os2File*)id;
-  
-  *pp = NULL;
-
-  if( !pFile->pShmLink )
-    rc = os2OpenSharedMemory( pFile, szRegion );
-  
-  if( rc == SQLITE_OK ) {
-    pNode = pFile->pShmLink->pShmNode ;
-    
-    sqlite3_mutex_enter(pNode->mutex);
-    
-    assert( szRegion==pNode->szRegion );
-
-    /* Unmapped region ? */
-    if( iRegion >= pNode->nRegion ) {
-      /* Prevent other processes from resizing the shared memory */
-      os2ShmSystemLock(pNode, _SHM_WRLCK_WAIT, OS2_SHM_DMS, 1);
-
-      apRegion = sqlite3_realloc(
-        pNode->apRegion, (iRegion + 1) * sizeof(apRegion[0]));
-
-      if( apRegion ) {
-        pNode->apRegion = apRegion;
-
-        while( pNode->nRegion <= iRegion ) {
-          sprintf(shmName, "%s-%u", 
-                  pNode->shmBaseName, pNode->nRegion);
-
-          if( DosGetNamedSharedMem(&pvTemp, (PSZ)shmName, 
-                PAG_READ | PAG_WRITE) != NO_ERROR ) {
-            if( !bExtend )
-              break;
-
-            if( DosAllocSharedMem(&pvTemp, (PSZ)shmName, szRegion,
-                  PAG_READ | PAG_WRITE | PAG_COMMIT | OBJ_ANY) != NO_ERROR && 
-                DosAllocSharedMem(&pvTemp, (PSZ)shmName, szRegion,
-                  PAG_READ | PAG_WRITE | PAG_COMMIT) != NO_ERROR ) { 
-              rc = SQLITE_NOMEM;
-              break;
-            }
-          }
-
-          apRegion[pNode->nRegion++] = pvTemp;
-        }
-
-        /* zero out remaining entries */ 
-        for( n = pNode->nRegion; n <= iRegion; n++ )
-          pNode->apRegion[n] = NULL;
-
-        /* Return this region (maybe zero) */
-        *pp = pNode->apRegion[iRegion];
-      } else {
-        rc = SQLITE_NOMEM;
-      }
-
-      /* Allow other processes to resize the shared memory */
-      os2ShmSystemLock(pNode, _SHM_UNLCK, OS2_SHM_DMS, 1);
-      
-    } else {
-      /* Region has been mapped previously */
-      *pp = pNode->apRegion[iRegion];
-    }
-
-    sqlite3_mutex_leave(pNode->mutex);
-  } 
-
-  ERR_TRACE(rc, ("os2ShmMap: %s iRgn = %d, szRgn = %d, bExt = %d : %d\n", 
-                 pFile->zFullPathCp, iRegion, szRegion, bExtend, rc))
-          
-  return rc;
-}
-
-/*
-** Close a connection to shared-memory.  Delete the underlying
-** storage if deleteFlag is true.
-**
-** If there is no shared memory associated with the connection then this
-** routine is a harmless no-op.
-*/
-static int os2ShmUnmap(
-  sqlite3_file *id,               /* The underlying database file */
-  int deleteFlag                  /* Delete shared-memory if true */
-){
-  os2File *pFile = (os2File*)id;
-  os2ShmLink *pLink = pFile->pShmLink;
-  
-  if( pLink ) {
-    int nRef = -1;
-    os2ShmLink **ppLink;
-    os2ShmNode *pNode = pLink->pShmNode;
-
-    sqlite3_mutex_enter(pNode->mutex);
-    
-    for( ppLink = &pNode->pFirst;
-         *ppLink && *ppLink != pLink;
-         ppLink = &(*ppLink)->pNext )   ;
-         
-    assert(*ppLink);
-
-    if( *ppLink ) {
-      *ppLink = pLink->pNext;
-      nRef = --pNode->nRef;
-    } else {
-      ERR_TRACE(1, ("os2ShmUnmap: link not found ! %s\n", 
-                    pNode->shmBaseName))
-    }
-    
-    pFile->pShmLink = NULL;
-    sqlite3_free(pLink);
-
-    sqlite3_mutex_leave(pNode->mutex);
-    
-    if( nRef == 0 )
-      os2PurgeShmNodes( deleteFlag );
-  }
-
-  return SQLITE_OK;
-}
-
-/*
-** Change the lock state for a shared-memory segment.
-**
-** Note that the relationship between SHAREd and EXCLUSIVE locks is a little
-** different here than in posix.  In xShmLock(), one can go from unlocked
-** to shared and back or from unlocked to exclusive and back.  But one may
-** not go from shared to exclusive or from exclusive to shared.
-*/
-static int os2ShmLock(
-  sqlite3_file *id,          /* Database file holding the shared memory */
-  int ofst,                  /* First lock to acquire or release */
-  int n,                     /* Number of locks to acquire or release */
-  int flags                  /* What to do with the lock */
-){
-  u32 mask;                             /* Mask of locks to take or release */
-  int rc = SQLITE_OK;                   /* Result code */
-  os2File *pFile = (os2File*)id;
-  os2ShmLink *p = pFile->pShmLink;      /* The shared memory being locked */
-  os2ShmLink *pX;                       /* For looping over all siblings */
-  os2ShmNode *pShmNode = p->pShmNode;   /* Our node */
-  
-  assert( ofst>=0 && ofst+n<=SQLITE_SHM_NLOCK );
-  assert( n>=1 );
-  assert( flags==(SQLITE_SHM_LOCK | SQLITE_SHM_SHARED)
-       || flags==(SQLITE_SHM_LOCK | SQLITE_SHM_EXCLUSIVE)
-       || flags==(SQLITE_SHM_UNLOCK | SQLITE_SHM_SHARED)
-       || flags==(SQLITE_SHM_UNLOCK | SQLITE_SHM_EXCLUSIVE) );
-  assert( n==1 || (flags & SQLITE_SHM_EXCLUSIVE)!=0 );
-
-  mask = (u32)((1U<<(ofst+n)) - (1U<<ofst));
-  assert( n>1 || mask==(1<<ofst) );
-
-
-  sqlite3_mutex_enter(pShmNode->mutex);
-
-  if( flags & SQLITE_SHM_UNLOCK ){
-    u32 allMask = 0; /* Mask of locks held by siblings */
-
-    /* See if any siblings hold this same lock */
-    for(pX=pShmNode->pFirst; pX; pX=pX->pNext){
-      if( pX==p ) continue;
-      assert( (pX->exclMask & (p->exclMask|p->sharedMask))==0 );
-      allMask |= pX->sharedMask;
-    }
-
-    /* Unlock the system-level locks */
-    if( (mask & allMask)==0 ){
-      rc = os2ShmSystemLock(pShmNode, _SHM_UNLCK, ofst+OS2_SHM_BASE, n);
-    }else{
-      rc = SQLITE_OK;
-    }
-
-    /* Undo the local locks */
-    if( rc==SQLITE_OK ){
-      p->exclMask &= ~mask;
-      p->sharedMask &= ~mask;
-    } 
-  }else if( flags & SQLITE_SHM_SHARED ){
-    u32 allShared = 0;  /* Union of locks held by connections other than "p" */
-
-    /* Find out which shared locks are already held by sibling connections.
-    ** If any sibling already holds an exclusive lock, go ahead and return
-    ** SQLITE_BUSY.
-    */
-    for(pX=pShmNode->pFirst; pX; pX=pX->pNext){
-      if( (pX->exclMask & mask)!=0 ){
-        rc = SQLITE_BUSY;
-        break;
-      }
-      allShared |= pX->sharedMask;
-    }
-
-    /* Get shared locks at the system level, if necessary */
-    if( rc==SQLITE_OK ){
-      if( (allShared & mask)==0 ){
-        rc = os2ShmSystemLock(pShmNode, _SHM_RDLCK, ofst+OS2_SHM_BASE, n);
-      }else{
-        rc = SQLITE_OK;
-      }
-    }
-
-    /* Get the local shared locks */
-    if( rc==SQLITE_OK ){
-      p->sharedMask |= mask;
-    }
-  }else{
-    /* Make sure no sibling connections hold locks that will block this
-    ** lock.  If any do, return SQLITE_BUSY right away.
-    */
-    for(pX=pShmNode->pFirst; pX; pX=pX->pNext){
-      if( (pX->exclMask & mask)!=0 || (pX->sharedMask & mask)!=0 ){
-        rc = SQLITE_BUSY;
-        break;
-      }
-    }
-  
-    /* Get the exclusive locks at the system level.  Then if successful
-    ** also mark the local connection as being locked.
-    */
-    if( rc==SQLITE_OK ){
-      rc = os2ShmSystemLock(pShmNode, _SHM_WRLCK, ofst+OS2_SHM_BASE, n);
-      if( rc==SQLITE_OK ){
-        assert( (p->sharedMask & mask)==0 );
-        p->exclMask |= mask;
-      }
-    }
-  }
-
-  sqlite3_mutex_leave(pShmNode->mutex);
-  
-  OSTRACE(("SHM-LOCK shmid-%d, pid-%d got %03x,%03x %s\n",
-           p->id, (int)GetCurrentProcessId(), p->sharedMask, p->exclMask,
-           rc ? "failed" : "ok"));
-
-  ERR_TRACE(rc, ("os2ShmLock: ofst = %d, n = %d, flags = 0x%x -> %d \n", 
-                 ofst, n, flags, rc))
-                  
-  return rc; 
-}
-
-/*
-** Implement a memory barrier or memory fence on shared memory.
-**
-** All loads and stores begun before the barrier must complete before
-** any load or store begun after the barrier.
-*/
-static void os2ShmBarrier(
-  sqlite3_file *id                /* Database file holding the shared memory */
-){
-  UNUSED_PARAMETER(id);
-  os2ShmEnterMutex();
-  os2ShmLeaveMutex();
-}
-
-#else
-# define os2ShmMap     0
-# define os2ShmLock    0
-# define os2ShmBarrier 0
-# define os2ShmUnmap   0
-#endif /* #ifndef SQLITE_OMIT_WAL */
-
-
-/*
-** This vector defines all the methods that can operate on an
-** sqlite3_file for os2.
-*/
-static const sqlite3_io_methods os2IoMethod = {
-  2,                              /* iVersion */
-  os2Close,                       /* xClose */
-  os2Read,                        /* xRead */
-  os2Write,                       /* xWrite */
-  os2Truncate,                    /* xTruncate */
-  os2Sync,                        /* xSync */
-  os2FileSize,                    /* xFileSize */
-  os2Lock,                        /* xLock */
-  os2Unlock,                      /* xUnlock */
-  os2CheckReservedLock,           /* xCheckReservedLock */
-  os2FileControl,                 /* xFileControl */
-  os2SectorSize,                  /* xSectorSize */
-  os2DeviceCharacteristics,       /* xDeviceCharacteristics */
-  os2ShmMap,                      /* xShmMap */
-  os2ShmLock,                     /* xShmLock */
-  os2ShmBarrier,                  /* xShmBarrier */
-  os2ShmUnmap                     /* xShmUnmap */
-};
-
-
-/***************************************************************************
-** Here ends the I/O methods that form the sqlite3_io_methods object.
-**
-** The next block of code implements the VFS methods.
-****************************************************************************/
-
-/*
-** Create a temporary file name in zBuf.  zBuf must be big enough to
-** hold at pVfs->mxPathname characters.
-*/
-static int getTempname(int nBuf, char *zBuf ){
-  static const char zChars[] =
-    "abcdefghijklmnopqrstuvwxyz"
-    "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-    "0123456789";
-  int i, j;
-  PSZ zTempPathCp;      
-  char zTempPath[CCHMAXPATH];
-  ULONG ulDriveNum, ulDriveMap;
-  
-  /* It's odd to simulate an io-error here, but really this is just
-  ** using the io-error infrastructure to test that SQLite handles this
-  ** function failing. 
-  */
-  SimulateIOError( return SQLITE_IOERR );
-
-  if( sqlite3_temp_directory ) {
-    sqlite3_snprintf(CCHMAXPATH-30, zTempPath, "%s", sqlite3_temp_directory);
-  } else if( DosScanEnv( (PSZ)"TEMP",   &zTempPathCp ) == NO_ERROR ||
-             DosScanEnv( (PSZ)"TMP",    &zTempPathCp ) == NO_ERROR ||
-             DosScanEnv( (PSZ)"TMPDIR", &zTempPathCp ) == NO_ERROR ) {
-    char *zTempPathUTF = convertCpPathToUtf8( (char *)zTempPathCp );
-    sqlite3_snprintf(CCHMAXPATH-30, zTempPath, "%s", zTempPathUTF);
-    free( zTempPathUTF );
-  } else if( DosQueryCurrentDisk( &ulDriveNum, &ulDriveMap ) == NO_ERROR ) {
-    zTempPath[0] = (char)('A' + ulDriveNum - 1);
-    zTempPath[1] = ':'; 
-    zTempPath[2] = '\0'; 
-  } else {
-    zTempPath[0] = '\0'; 
-  }
-  
-  /* Strip off a trailing slashes or backslashes, otherwise we would get *
-   * multiple (back)slashes which causes DosOpen() to fail.              *
-   * Trailing spaces are not allowed, either.                            */
-  j = sqlite3Strlen30(zTempPath);
-  while( j > 0 && ( zTempPath[j-1] == '\\' || zTempPath[j-1] == '/' || 
-                    zTempPath[j-1] == ' ' ) ){
-    j--;
-  }
-  zTempPath[j] = '\0';
-  
-  /* We use 20 bytes to randomize the name */
-  sqlite3_snprintf(nBuf-22, zBuf,
-                   "%s\\"SQLITE_TEMP_FILE_PREFIX, zTempPath);
-  j = sqlite3Strlen30(zBuf);
-  sqlite3_randomness( 20, &zBuf[j] );
-  for( i = 0; i < 20; i++, j++ ){
-    zBuf[j] = zChars[ ((unsigned char)zBuf[j])%(sizeof(zChars)-1) ];
-  }
-  zBuf[j] = 0;
-
-  OSTRACE(( "TEMP FILENAME: %s\n", zBuf ));
-  return SQLITE_OK;
-}
-
-
-/*
-** Turn a relative pathname into a full pathname.  Write the full
-** pathname into zFull[].  zFull[] will be at least pVfs->mxPathname
-** bytes in size.
-*/
-static int os2FullPathname(
-  sqlite3_vfs *pVfs,          /* Pointer to vfs object */
-  const char *zRelative,      /* Possibly relative input path */
-  int nFull,                  /* Size of output buffer in bytes */
-  char *zFull                 /* Output buffer */
-){
-  char *zRelativeCp = convertUtf8PathToCp( zRelative );
-  char zFullCp[CCHMAXPATH] = "\0";
-  char *zFullUTF;
-  APIRET rc = DosQueryPathInfo( (PSZ)zRelativeCp, FIL_QUERYFULLNAME, 
-                                zFullCp, CCHMAXPATH );
-  free( zRelativeCp );
-  zFullUTF = convertCpPathToUtf8( zFullCp );
-  sqlite3_snprintf( nFull, zFull, zFullUTF );
-  free( zFullUTF );
-  return rc == NO_ERROR ? SQLITE_OK : SQLITE_IOERR;
-}
-
-
-/*
-** Open a file.
-*/
-static int os2Open(
-  sqlite3_vfs *pVfs,            /* Not used */
-  const char *zName,            /* Name of the file (UTF-8) */
-  sqlite3_file *id,             /* Write the SQLite file handle here */
-  int flags,                    /* Open mode flags */
-  int *pOutFlags                /* Status return flags */
-){
-  HFILE h;
-  ULONG ulOpenFlags = 0;
-  ULONG ulOpenMode = 0;
-  ULONG ulAction = 0;
-  ULONG rc;
-  os2File *pFile = (os2File*)id;
-  const char *zUtf8Name = zName;
-  char *zNameCp;
-  char  zTmpname[CCHMAXPATH];
-
-  int isExclusive  = (flags & SQLITE_OPEN_EXCLUSIVE);
-  int isCreate     = (flags & SQLITE_OPEN_CREATE);
-  int isReadWrite  = (flags & SQLITE_OPEN_READWRITE);
-#ifndef NDEBUG
-  int isDelete     = (flags & SQLITE_OPEN_DELETEONCLOSE);
-  int isReadonly   = (flags & SQLITE_OPEN_READONLY);
-  int eType        = (flags & 0xFFFFFF00);
-  int isOpenJournal = (isCreate && (
-        eType==SQLITE_OPEN_MASTER_JOURNAL 
-     || eType==SQLITE_OPEN_MAIN_JOURNAL 
-     || eType==SQLITE_OPEN_WAL
-  ));
-#endif
-
-  UNUSED_PARAMETER(pVfs);
-  assert( id!=0 );
-
-  /* Check the following statements are true: 
-  **
-  **   (a) Exactly one of the READWRITE and READONLY flags must be set, and 
-  **   (b) if CREATE is set, then READWRITE must also be set, and
-  **   (c) if EXCLUSIVE is set, then CREATE must also be set.
-  **   (d) if DELETEONCLOSE is set, then CREATE must also be set.
-  */
-  assert((isReadonly==0 || isReadWrite==0) && (isReadWrite || isReadonly));
-  assert(isCreate==0 || isReadWrite);
-  assert(isExclusive==0 || isCreate);
-  assert(isDelete==0 || isCreate);
-
-  /* The main DB, main journal, WAL file and master journal are never 
-  ** automatically deleted. Nor are they ever temporary files.  */
-  assert( (!isDelete && zName) || eType!=SQLITE_OPEN_MAIN_DB );
-  assert( (!isDelete && zName) || eType!=SQLITE_OPEN_MAIN_JOURNAL );
-  assert( (!isDelete && zName) || eType!=SQLITE_OPEN_MASTER_JOURNAL );
-  assert( (!isDelete && zName) || eType!=SQLITE_OPEN_WAL );
-
-  /* Assert that the upper layer has set one of the "file-type" flags. */
-  assert( eType==SQLITE_OPEN_MAIN_DB      || eType==SQLITE_OPEN_TEMP_DB 
-       || eType==SQLITE_OPEN_MAIN_JOURNAL || eType==SQLITE_OPEN_TEMP_JOURNAL 
-       || eType==SQLITE_OPEN_SUBJOURNAL   || eType==SQLITE_OPEN_MASTER_JOURNAL 
-       || eType==SQLITE_OPEN_TRANSIENT_DB || eType==SQLITE_OPEN_WAL
-  );
-
-  memset( pFile, 0, sizeof(*pFile) );
-  pFile->h = (HFILE)-1;
-
-  /* If the second argument to this function is NULL, generate a 
-  ** temporary file name to use 
-  */
-  if( !zUtf8Name ){
-    assert(isDelete && !isOpenJournal);
-    rc = getTempname(CCHMAXPATH, zTmpname);
-    if( rc!=SQLITE_OK ){
-      return rc;
-    }
-    zUtf8Name = zTmpname;
-  }
-
-  if( isReadWrite ){
-    ulOpenMode |= OPEN_ACCESS_READWRITE;
-  }else{
-    ulOpenMode |= OPEN_ACCESS_READONLY;
-  }
-
-  /* Open in random access mode for possibly better speed.  Allow full
-  ** sharing because file locks will provide exclusive access when needed.
-  ** The handle should not be inherited by child processes and we don't 
-  ** want popups from the critical error handler.
-  */
-  ulOpenMode |= OPEN_FLAGS_RANDOM | OPEN_SHARE_DENYNONE | 
-                OPEN_FLAGS_NOINHERIT | OPEN_FLAGS_FAIL_ON_ERROR;
-
-  /* SQLITE_OPEN_EXCLUSIVE is used to make sure that a new file is 
-  ** created. SQLite doesn't use it to indicate "exclusive access" 
-  ** as it is usually understood.
-  */
-  if( isExclusive ){
-    /* Creates a new file, only if it does not already exist. */
-    /* If the file exists, it fails. */
-    ulOpenFlags |= OPEN_ACTION_CREATE_IF_NEW | OPEN_ACTION_FAIL_IF_EXISTS;
-  }else if( isCreate ){
-    /* Open existing file, or create if it doesn't exist */
-    ulOpenFlags |= OPEN_ACTION_CREATE_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS;
-  }else{
-    /* Opens a file, only if it exists. */
-    ulOpenFlags |= OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS;
-  }
-
-  zNameCp = convertUtf8PathToCp( zUtf8Name );
-  rc = DosOpen( (PSZ)zNameCp,
-                &h,
-                &ulAction,
-                0L,
-                FILE_NORMAL,
-                ulOpenFlags,
-                ulOpenMode,
-                (PEAOP2)NULL );
-  free( zNameCp );
-
-  if( rc != NO_ERROR ){
-    OSTRACE(( "OPEN Invalid handle rc=%d: zName=%s, ulAction=%#lx, ulFlags=%#lx, ulMode=%#lx\n",
-              rc, zUtf8Name, ulAction, ulOpenFlags, ulOpenMode ));
-
-    if( isReadWrite ){
-      return os2Open( pVfs, zName, id,
-                      ((flags|SQLITE_OPEN_READONLY)&~(SQLITE_OPEN_CREATE|SQLITE_OPEN_READWRITE)),
-                      pOutFlags );
-    }else{
-      return SQLITE_CANTOPEN;
-    }
-  }
-
-  if( pOutFlags ){
-    *pOutFlags = isReadWrite ? SQLITE_OPEN_READWRITE : SQLITE_OPEN_READONLY;
-  }
-
-  os2FullPathname( pVfs, zUtf8Name, sizeof( zTmpname ), zTmpname );
-  pFile->zFullPathCp = convertUtf8PathToCp( zTmpname );
-  pFile->pMethod = &os2IoMethod;
-  pFile->flags = flags;
-  pFile->h = h;
-
-  OpenCounter(+1);
-  OSTRACE(( "OPEN %d pOutFlags=%d\n", pFile->h, pOutFlags ));
-  return SQLITE_OK;
-}
-
-/*
-** Delete the named file.
-*/
-static int os2Delete(
-  sqlite3_vfs *pVfs,                     /* Not used on os2 */
-  const char *zFilename,                 /* Name of file to delete */
-  int syncDir                            /* Not used on os2 */
-){
-  APIRET rc;
-  char *zFilenameCp;
-  SimulateIOError( return SQLITE_IOERR_DELETE );
-  zFilenameCp = convertUtf8PathToCp( zFilename );
-  rc = DosDelete( (PSZ)zFilenameCp );
-  free( zFilenameCp );
-  OSTRACE(( "DELETE \"%s\"\n", zFilename ));
-  return (rc == NO_ERROR ||
-          rc == ERROR_FILE_NOT_FOUND ||
-          rc == ERROR_PATH_NOT_FOUND ) ? SQLITE_OK : SQLITE_IOERR_DELETE;
-}
-
-/*
-** Check the existance and status of a file.
-*/
-static int os2Access(
-  sqlite3_vfs *pVfs,        /* Not used on os2 */
-  const char *zFilename,    /* Name of file to check */
-  int flags,                /* Type of test to make on this file */
-  int *pOut                 /* Write results here */
-){
-  APIRET rc;
-  FILESTATUS3 fsts3ConfigInfo;
-  char *zFilenameCp;
-
-  UNUSED_PARAMETER(pVfs);
-  SimulateIOError( return SQLITE_IOERR_ACCESS; );
-  
-  zFilenameCp = convertUtf8PathToCp( zFilename );
-  rc = DosQueryPathInfo( (PSZ)zFilenameCp, FIL_STANDARD,
-                         &fsts3ConfigInfo, sizeof(FILESTATUS3) );
-  free( zFilenameCp );
-  OSTRACE(( "ACCESS fsts3ConfigInfo.attrFile=%d flags=%d rc=%d\n",
-            fsts3ConfigInfo.attrFile, flags, rc ));
-
-  switch( flags ){
-    case SQLITE_ACCESS_EXISTS:
-      /* For an SQLITE_ACCESS_EXISTS query, treat a zero-length file
-      ** as if it does not exist.
-      */
-      if( fsts3ConfigInfo.cbFile == 0 ) 
-        rc = ERROR_FILE_NOT_FOUND;
-      break;
-    case SQLITE_ACCESS_READ:
-      break;
-    case SQLITE_ACCESS_READWRITE:
-      if( fsts3ConfigInfo.attrFile & FILE_READONLY )
-        rc = ERROR_ACCESS_DENIED;
-      break;
-    default:
-      rc = ERROR_FILE_NOT_FOUND;
-      assert( !"Invalid flags argument" );
-  }
-
-  *pOut = (rc == NO_ERROR);
-  OSTRACE(( "ACCESS %s flags %d: rc=%d\n", zFilename, flags, *pOut ));
-
-  return SQLITE_OK;
-}
-
-
-#ifndef SQLITE_OMIT_LOAD_EXTENSION
-/*
-** Interfaces for opening a shared library, finding entry points
-** within the shared library, and closing the shared library.
-*/
-/*
-** Interfaces for opening a shared library, finding entry points
-** within the shared library, and closing the shared library.
-*/
-static void *os2DlOpen(sqlite3_vfs *pVfs, const char *zFilename){
-  HMODULE hmod;
-  APIRET rc;
-  char *zFilenameCp = convertUtf8PathToCp(zFilename);
-  rc = DosLoadModule(NULL, 0, (PSZ)zFilenameCp, &hmod);
-  free(zFilenameCp);
-  return rc != NO_ERROR ? 0 : (void*)hmod;
-}
-/*
-** A no-op since the error code is returned on the DosLoadModule call.
-** os2Dlopen returns zero if DosLoadModule is not successful.
-*/
-static void os2DlError(sqlite3_vfs *pVfs, int nBuf, char *zBufOut){
-/* no-op */
-}
-static void (*os2DlSym(sqlite3_vfs *pVfs, void *pHandle, const char *zSymbol))(void){
-  PFN pfn;
-  APIRET rc;
-  rc = DosQueryProcAddr((HMODULE)pHandle, 0L, (PSZ)zSymbol, &pfn);
-  if( rc != NO_ERROR ){
-    /* if the symbol itself was not found, search again for the same
-     * symbol with an extra underscore, that might be needed depending
-     * on the calling convention */
-    char _zSymbol[256] = "_";
-    strncat(_zSymbol, zSymbol, 254);
-    rc = DosQueryProcAddr((HMODULE)pHandle, 0L, (PSZ)_zSymbol, &pfn);
-  }
-  return rc != NO_ERROR ? 0 : (void(*)(void))pfn;
-}
-static void os2DlClose(sqlite3_vfs *pVfs, void *pHandle){
-  DosFreeModule((HMODULE)pHandle);
-}
-#else /* if SQLITE_OMIT_LOAD_EXTENSION is defined: */
-  #define os2DlOpen 0
-  #define os2DlError 0
-  #define os2DlSym 0
-  #define os2DlClose 0
-#endif
-
-
-/*
-** Write up to nBuf bytes of randomness into zBuf.
-*/
-static int os2Randomness(sqlite3_vfs *pVfs, int nBuf, char *zBuf ){
-  int n = 0;
-#if defined(SQLITE_TEST)
-  n = nBuf;
-  memset(zBuf, 0, nBuf);
-#else
-  int i;                           
-  PPIB ppib;
-  PTIB ptib;
-  DATETIME dt; 
-  static unsigned c = 0;
-  /* Ordered by variation probability */
-  static ULONG svIdx[6] = { QSV_MS_COUNT, QSV_TIME_LOW,
-                            QSV_MAXPRMEM, QSV_MAXSHMEM,
-                            QSV_TOTAVAILMEM, QSV_TOTRESMEM };
-
-  /* 8 bytes; timezone and weekday don't increase the randomness much */
-  if( (int)sizeof(dt)-3 <= nBuf - n ){
-    c += 0x0100;
-    DosGetDateTime(&dt);
-    dt.year = (USHORT)((dt.year - 1900) | c);
-    memcpy(&zBuf[n], &dt, sizeof(dt)-3);
-    n += sizeof(dt)-3;
-  }
-
-  /* 4 bytes; PIDs and TIDs are 16 bit internally, so combine them */
-  if( (int)sizeof(ULONG) <= nBuf - n ){
-    DosGetInfoBlocks(&ptib, &ppib);
-    *(PULONG)&zBuf[n] = MAKELONG(ppib->pib_ulpid,
-                                 ptib->tib_ptib2->tib2_ultid);
-    n += sizeof(ULONG);
-  }
-
-  /* Up to 6 * 4 bytes; variables depend on the system state */
-  for( i = 0; i < 6 && (int)sizeof(ULONG) <= nBuf - n; i++ ){
-    DosQuerySysInfo(svIdx[i], svIdx[i], 
-                    (PULONG)&zBuf[n], sizeof(ULONG));
-    n += sizeof(ULONG);
-  } 
-#endif
-
-  return n;
-}
-
-/*
-** Sleep for a little while.  Return the amount of time slept.
-** The argument is the number of microseconds we want to sleep.
-** The return value is the number of microseconds of sleep actually
-** requested from the underlying operating system, a number which
-** might be greater than or equal to the argument, but not less
-** than the argument.
-*/
-static int os2Sleep( sqlite3_vfs *pVfs, int microsec ){
-  DosSleep( (microsec/1000) );
-  return microsec;
-}
-
-/*
-** The following variable, if set to a non-zero value, becomes the result
-** returned from sqlite3OsCurrentTime().  This is used for testing.
-*/
-#ifdef SQLITE_TEST
-int sqlite3_current_time = 0;
-#endif
-
-/*
-** Find the current time (in Universal Coordinated Time).  Write into *piNow
-** the current time and date as a Julian Day number times 86_400_000.  In
-** other words, write into *piNow the number of milliseconds since the Julian
-** epoch of noon in Greenwich on November 24, 4714 B.C according to the
-** proleptic Gregorian calendar.
-**
-** On success, return 0.  Return 1 if the time and date cannot be found.
-*/
-static int os2CurrentTimeInt64(sqlite3_vfs *pVfs, sqlite3_int64 *piNow){
-#ifdef SQLITE_TEST
-  static const sqlite3_int64 unixEpoch = 24405875*(sqlite3_int64)8640000;
-#endif
-  int year, month, datepart, timepart;
- 
-  DATETIME dt;
-  DosGetDateTime( &dt );
-
-  year = dt.year;
-  month = dt.month;
-
-  /* Calculations from http://www.astro.keele.ac.uk/~rno/Astronomy/hjd.html
-  ** http://www.astro.keele.ac.uk/~rno/Astronomy/hjd-0.1.c
-  ** Calculate the Julian days
-  */
-  datepart = (int)dt.day - 32076 +
-    1461*(year + 4800 + (month - 14)/12)/4 +
-    367*(month - 2 - (month - 14)/12*12)/12 -
-    3*((year + 4900 + (month - 14)/12)/100)/4;
-
-  /* Time in milliseconds, hours to noon added */
-  timepart = 12*3600*1000 + dt.hundredths*10 + dt.seconds*1000 +
-    ((int)dt.minutes + dt.timezone)*60*1000 + dt.hours*3600*1000;
-
-  *piNow = (sqlite3_int64)datepart*86400*1000 + timepart;
-   
-#ifdef SQLITE_TEST
-  if( sqlite3_current_time ){
-    *piNow = 1000*(sqlite3_int64)sqlite3_current_time + unixEpoch;
-  }
-#endif
-
-  UNUSED_PARAMETER(pVfs);
-  return 0;
-}
-
-/*
-** Find the current time (in Universal Coordinated Time).  Write the
-** current time and date as a Julian Day number into *prNow and
-** return 0.  Return 1 if the time and date cannot be found.
-*/
-static int os2CurrentTime( sqlite3_vfs *pVfs, double *prNow ){
-  int rc;
-  sqlite3_int64 i;
-  rc = os2CurrentTimeInt64(pVfs, &i);
-  if( !rc ){
-    *prNow = i/86400000.0;
-  }
-  return rc;
-}
-
-/*
-** The idea is that this function works like a combination of
-** GetLastError() and FormatMessage() on windows (or errno and
-** strerror_r() on unix). After an error is returned by an OS
-** function, SQLite calls this function with zBuf pointing to
-** a buffer of nBuf bytes. The OS layer should populate the
-** buffer with a nul-terminated UTF-8 encoded error message
-** describing the last IO error to have occurred within the calling
-** thread.
-**
-** If the error message is too large for the supplied buffer,
-** it should be truncated. The return value of xGetLastError
-** is zero if the error message fits in the buffer, or non-zero
-** otherwise (if the message was truncated). If non-zero is returned,
-** then it is not necessary to include the nul-terminator character
-** in the output buffer.
-**
-** Not supplying an error message will have no adverse effect
-** on SQLite. It is fine to have an implementation that never
-** returns an error message:
-**
-**   int xGetLastError(sqlite3_vfs *pVfs, int nBuf, char *zBuf){
-**     assert(zBuf[0]=='\0');
-**     return 0;
-**   }
-**
-** However if an error message is supplied, it will be incorporated
-** by sqlite into the error message available to the user using
-** sqlite3_errmsg(), possibly making IO errors easier to debug.
-*/
-static int os2GetLastError(sqlite3_vfs *pVfs, int nBuf, char *zBuf){
-  assert(zBuf[0]=='\0');
-  return 0;
-}
-
-/*
-** Initialize and deinitialize the operating system interface.
-*/
-int sqlite3_os_init(void){
-  static sqlite3_vfs os2Vfs = {
-    3,                 /* iVersion */
-    sizeof(os2File),   /* szOsFile */
-    CCHMAXPATH,        /* mxPathname */
-    0,                 /* pNext */
-    "os2",             /* zName */
-    0,                 /* pAppData */
-
-    os2Open,           /* xOpen */
-    os2Delete,         /* xDelete */
-    os2Access,         /* xAccess */
-    os2FullPathname,   /* xFullPathname */
-    os2DlOpen,         /* xDlOpen */
-    os2DlError,        /* xDlError */
-    os2DlSym,          /* xDlSym */
-    os2DlClose,        /* xDlClose */
-    os2Randomness,     /* xRandomness */
-    os2Sleep,          /* xSleep */
-    os2CurrentTime,    /* xCurrentTime */
-    os2GetLastError,   /* xGetLastError */
-    os2CurrentTimeInt64, /* xCurrentTimeInt64 */
-    0,                 /* xSetSystemCall */
-    0,                 /* xGetSystemCall */
-    0                  /* xNextSystemCall */
-  };
-  sqlite3_vfs_register(&os2Vfs, 1);
-  initUconvObjects();
-/*  sqlite3OSTrace = 1; */
-  return SQLITE_OK;
-}
-int sqlite3_os_end(void){
-  freeUconvObjects();
-  return SQLITE_OK;
-}
-
-#endif /* SQLITE_OS_OS2 */
diff --git a/src/os_unix.c b/src/os_unix.c
index 0f11613..c0df66e 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -715,9 +715,9 @@ static int sqliteErrorFromPosixError(int posixError, int sqliteIOErr) {
   case EACCES: 
     /* EACCES is like EAGAIN during locking operations, but not any other time*/
     if( (sqliteIOErr == SQLITE_IOERR_LOCK) || 
-	(sqliteIOErr == SQLITE_IOERR_UNLOCK) || 
-	(sqliteIOErr == SQLITE_IOERR_RDLOCK) ||
-	(sqliteIOErr == SQLITE_IOERR_CHECKRESERVEDLOCK) ){
+        (sqliteIOErr == SQLITE_IOERR_UNLOCK) || 
+        (sqliteIOErr == SQLITE_IOERR_RDLOCK) ||
+        (sqliteIOErr == SQLITE_IOERR_CHECKRESERVEDLOCK) ){
       return SQLITE_BUSY;
     }
     /* else fall through */
@@ -1052,7 +1052,7 @@ static unixInodeInfo *inodeList = 0;
 ** The first argument passed to the macro should be the error code that
 ** will be returned to SQLite (e.g. SQLITE_IOERR_DELETE, SQLITE_CANTOPEN). 
 ** The two subsequent arguments should be the name of the OS function that
-** failed (e.g. "unlink", "open") and the the associated file-system path,
+** failed (e.g. "unlink", "open") and the associated file-system path,
 ** if any.
 */
 #define unixLogError(a,b,c)     unixLogErrorAtLine(a,b,c,__LINE__)
@@ -1075,7 +1075,7 @@ static int unixLogErrorAtLine(
   zErr = aErr;
 
   /* If STRERROR_R_CHAR_P (set by autoconf scripts) or __USE_GNU is defined,
-  ** assume that the system provides the the GNU version of strerror_r() that 
+  ** assume that the system provides the GNU version of strerror_r() that
   ** returns a pointer to a buffer containing the error message. That pointer 
   ** may point to aErr[], or it may point to some static storage somewhere. 
   ** Otherwise, assume that the system provides the POSIX version of 
@@ -1764,7 +1764,7 @@ static int posixUnlock(sqlite3_file *id, int eFileLock, int handleNFSUnlock){
         pInode->eFileLock = NO_LOCK;
       }else{
         rc = SQLITE_IOERR_UNLOCK;
-	pFile->lastErrno = errno;
+        pFile->lastErrno = errno;
         pInode->eFileLock = NO_LOCK;
         pFile->eFileLock = NO_LOCK;
       }
@@ -1780,7 +1780,7 @@ static int posixUnlock(sqlite3_file *id, int eFileLock, int handleNFSUnlock){
       closePendingFds(pFile);
     }
   }
-	
+
 end_unlock:
   unixLeaveMutex();
   if( rc==SQLITE_OK ) pFile->eFileLock = eFileLock;
@@ -2047,7 +2047,7 @@ static int dotlockUnlock(sqlite3_file *id, int eFileLock) {
 
   assert( pFile );
   OSTRACE(("UNLOCK  %d %d was %d pid=%d (dotlock)\n", pFile->h, eFileLock,
-	   pFile->eFileLock, getpid()));
+           pFile->eFileLock, getpid()));
   assert( eFileLock<=SHARED_LOCK );
   
   /* no-op if possible */
@@ -2434,7 +2434,7 @@ static int semUnlock(sqlite3_file *id, int eFileLock) {
   assert( pFile );
   assert( pSem );
   OSTRACE(("UNLOCK  %d %d was %d pid=%d (sem)\n", pFile->h, eFileLock,
-	   pFile->eFileLock, getpid()));
+           pFile->eFileLock, getpid()));
   assert( eFileLock<=SHARED_LOCK );
   
   /* no-op if possible */
@@ -3024,7 +3024,7 @@ static int seekAndRead(unixFile *id, sqlite3_int64 offset, void *pBuf, int cnt){
       if( newOffset == -1 ){
         ((unixFile*)id)->lastErrno = errno;
       }else{
-        ((unixFile*)id)->lastErrno = 0;			
+        ((unixFile*)id)->lastErrno = 0;
       }
       return -1;
     }
@@ -3112,7 +3112,7 @@ static int seekAndWrite(unixFile *id, i64 offset, const void *pBuf, int cnt){
       if( newOffset == -1 ){
         ((unixFile*)id)->lastErrno = errno;
       }else{
-        ((unixFile*)id)->lastErrno = 0;			
+        ((unixFile*)id)->lastErrno = 0;
       }
       return -1;
     }
@@ -5626,7 +5626,7 @@ static int unixGetLastError(sqlite3_vfs *NotUsed, int NotUsed2, char *NotUsed3){
 ** address in the shared range is taken for a SHARED lock, the entire
 ** shared range is taken for an EXCLUSIVE lock):
 **
-**      PENDING_BYTE        0x40000000		   	
+**      PENDING_BYTE        0x40000000
 **      RESERVED_BYTE       0x40000001
 **      SHARED_RANGE        0x40000002 -> 0x40000200
 **
diff --git a/src/os_win.c b/src/os_win.c
index 8509e92..cbf17b1 100644
--- a/src/os_win.c
+++ b/src/os_win.c
@@ -46,9 +46,11 @@
 # define FILE_ATTRIBUTE_MASK     (0x0003FFF7)
 #endif
 
+#ifndef SQLITE_OMIT_WAL
 /* Forward references */
 typedef struct winShm winShm;           /* A connection to shared-memory */
 typedef struct winShmNode winShmNode;   /* A region of shared-memory */
+#endif
 
 /*
 ** WinCE lacks native support for file locking so we have to fake it
@@ -76,7 +78,9 @@ struct winFile {
   short sharedLockByte;   /* Randomly chosen byte used as a shared lock */
   u8 ctrlFlags;           /* Flags.  See WINFILE_* below */
   DWORD lastErrno;        /* The Windows errno from the last I/O error */
+#ifndef SQLITE_OMIT_WAL
   winShm *pShm;           /* Instance of shared memory on this file */
+#endif
   const char *zPath;      /* Full pathname of this file */
   int szChunk;            /* Chunk size configured by FCNTL_CHUNK_SIZE */
 #if SQLITE_OS_WINCE
@@ -101,6 +105,22 @@ struct winFile {
 #  define SQLITE_WIN32_DBG_BUF_SIZE   ((int)(4096-sizeof(DWORD)))
 #endif
 
+/*
+ * The value used with sqlite3_win32_set_directory() to specify that
+ * the data directory should be changed.
+ */
+#ifndef SQLITE_WIN32_DATA_DIRECTORY_TYPE
+#  define SQLITE_WIN32_DATA_DIRECTORY_TYPE (1)
+#endif
+
+/*
+ * The value used with sqlite3_win32_set_directory() to specify that
+ * the temporary directory should be changed.
+ */
+#ifndef SQLITE_WIN32_TEMP_DIRECTORY_TYPE
+#  define SQLITE_WIN32_TEMP_DIRECTORY_TYPE (2)
+#endif
+
 /*
  * If compiled with SQLITE_WIN32_MALLOC on Windows, we will use the
  * various Win32 API heap functions instead of our own.
@@ -288,7 +308,8 @@ static struct win_syscall {
 #define osCreateFileW ((HANDLE(WINAPI*)(LPCWSTR,DWORD,DWORD, \
         LPSECURITY_ATTRIBUTES,DWORD,DWORD,HANDLE))aSyscall[5].pCurrent)
 
-#if !SQLITE_OS_WINRT && defined(SQLITE_WIN32_HAS_WIDE)
+#if SQLITE_OS_WINCE || (!SQLITE_OS_WINRT && defined(SQLITE_WIN32_HAS_WIDE) && \
+        !defined(SQLITE_OMIT_WAL))
   { "CreateFileMappingW",      (SYSCALL)CreateFileMappingW,      0 },
 #else
   { "CreateFileMappingW",      (SYSCALL)0,                       0 },
@@ -600,7 +621,7 @@ static struct win_syscall {
         LPOVERLAPPED))aSyscall[45].pCurrent)
 #endif
 
-#if !SQLITE_OS_WINRT
+#if SQLITE_OS_WINCE || (!SQLITE_OS_WINRT && !defined(SQLITE_OMIT_WAL))
   { "MapViewOfFile",           (SYSCALL)MapViewOfFile,           0 },
 #else
   { "MapViewOfFile",           (SYSCALL)0,                       0 },
@@ -670,7 +691,11 @@ static struct win_syscall {
 #define osUnlockFileEx ((BOOL(WINAPI*)(HANDLE,DWORD,DWORD,DWORD, \
         LPOVERLAPPED))aSyscall[55].pCurrent)
 
+#if SQLITE_OS_WINCE || !defined(SQLITE_OMIT_WAL)
   { "UnmapViewOfFile",         (SYSCALL)UnmapViewOfFile,         0 },
+#else
+  { "UnmapViewOfFile",         (SYSCALL)0,                       0 },
+#endif
 
 #define osUnmapViewOfFile ((BOOL(WINAPI*)(LPCVOID))aSyscall[56].pCurrent)
 
@@ -702,7 +727,7 @@ static struct win_syscall {
 #define osWaitForSingleObject ((DWORD(WINAPI*)(HANDLE, \
         DWORD))aSyscall[60].pCurrent)
 
-#if !SQLITE_OS_WINCE
+#if SQLITE_OS_WINRT
   { "WaitForSingleObjectEx",   (SYSCALL)WaitForSingleObjectEx,   0 },
 #else
   { "WaitForSingleObjectEx",   (SYSCALL)0,                       0 },
@@ -711,7 +736,7 @@ static struct win_syscall {
 #define osWaitForSingleObjectEx ((DWORD(WINAPI*)(HANDLE,DWORD, \
         BOOL))aSyscall[61].pCurrent)
 
-#if !SQLITE_OS_WINCE
+#if SQLITE_OS_WINRT
   { "SetFilePointerEx",        (SYSCALL)SetFilePointerEx,        0 },
 #else
   { "SetFilePointerEx",        (SYSCALL)0,                       0 },
@@ -729,7 +754,7 @@ static struct win_syscall {
 #define osGetFileInformationByHandleEx ((BOOL(WINAPI*)(HANDLE, \
         FILE_INFO_BY_HANDLE_CLASS,LPVOID,DWORD))aSyscall[63].pCurrent)
 
-#if SQLITE_OS_WINRT
+#if SQLITE_OS_WINRT && !defined(SQLITE_OMIT_WAL)
   { "MapViewOfFileFromApp",    (SYSCALL)MapViewOfFileFromApp,    0 },
 #else
   { "MapViewOfFileFromApp",    (SYSCALL)0,                       0 },
@@ -793,7 +818,7 @@ static struct win_syscall {
 
 #define osGetProcessHeap ((HANDLE(WINAPI*)(VOID))aSyscall[71].pCurrent)
 
-#if SQLITE_OS_WINRT
+#if SQLITE_OS_WINRT && !defined(SQLITE_OMIT_WAL)
   { "CreateFileMappingFromApp", (SYSCALL)CreateFileMappingFromApp, 0 },
 #else
   { "CreateFileMappingFromApp", (SYSCALL)0,                      0 },
@@ -1309,6 +1334,42 @@ char *sqlite3_win32_utf8_to_mbcs(const char *zFilename){
   return zFilenameMbcs;
 }
 
+/*
+** This function sets the data directory or the temporary directory based on
+** the provided arguments.  The type argument must be 1 in order to set the
+** data directory or 2 in order to set the temporary directory.  The zValue
+** argument is the name of the directory to use.  The return value will be
+** SQLITE_OK if successful.
+*/
+int sqlite3_win32_set_directory(DWORD type, LPCWSTR zValue){
+  char **ppDirectory = 0;
+#ifndef SQLITE_OMIT_AUTOINIT
+  int rc = sqlite3_initialize();
+  if( rc ) return rc;
+#endif
+  if( type==SQLITE_WIN32_DATA_DIRECTORY_TYPE ){
+    ppDirectory = &sqlite3_data_directory;
+  }else if( type==SQLITE_WIN32_TEMP_DIRECTORY_TYPE ){
+    ppDirectory = &sqlite3_temp_directory;
+  }
+  assert( !ppDirectory || type==SQLITE_WIN32_DATA_DIRECTORY_TYPE
+          || type==SQLITE_WIN32_TEMP_DIRECTORY_TYPE
+  );
+  assert( !ppDirectory || sqlite3MemdebugHasType(*ppDirectory, MEMTYPE_HEAP) );
+  if( ppDirectory ){
+    char *zValueUtf8 = 0;
+    if( zValue && zValue[0] ){
+      zValueUtf8 = unicodeToUtf8(zValue);
+      if ( zValueUtf8==0 ){
+        return SQLITE_NOMEM;
+      }
+    }
+    sqlite3_free(*ppDirectory);
+    *ppDirectory = zValueUtf8;
+    return SQLITE_OK;
+  }
+  return SQLITE_ERROR;
+}
 
 /*
 ** The return value of getLastErrorMsg
@@ -1403,7 +1464,7 @@ static int getLastErrorMsg(DWORD lastErrno, int nBuf, char *zBuf){
 ** The first argument passed to the macro should be the error code that
 ** will be returned to SQLite (e.g. SQLITE_IOERR_DELETE, SQLITE_CANTOPEN). 
 ** The two subsequent arguments should be the name of the OS function that
-** failed and the the associated file-system path, if any.
+** failed and the associated file-system path, if any.
 */
 #define winLogError(a,b,c,d)   winLogErrorAtLine(a,b,c,d,__LINE__)
 static int winLogErrorAtLine(
@@ -1925,7 +1986,9 @@ static int winClose(sqlite3_file *id){
   winFile *pFile = (winFile*)id;
 
   assert( id!=0 );
+#ifndef SQLITE_OMIT_WAL
   assert( pFile->pShm==0 );
+#endif
   OSTRACE(("CLOSE %d\n", pFile->h));
   do{
     rc = osCloseHandle(pFile->h);
@@ -3527,6 +3590,13 @@ static int winOpen(
   assert( id!=0 );
   UNUSED_PARAMETER(pVfs);
 
+#if SQLITE_OS_WINRT
+  if( !sqlite3_temp_directory ){
+    sqlite3_log(SQLITE_ERROR,
+        "sqlite3_temp_directory variable should be set for WinRT");
+  }
+#endif
+
   pFile->h = INVALID_HANDLE_VALUE;
 
   /* If the second argument to this function is NULL, generate a 
@@ -3675,7 +3745,9 @@ static int winOpen(
   pFile->h = h;
   pFile->lastErrno = NO_ERROR;
   pFile->pVfs = pVfs;
+#ifndef SQLITE_OMIT_WAL
   pFile->pShm = 0;
+#endif
   pFile->zPath = zName;
   if( sqlite3_uri_boolean(zName, "psow", SQLITE_POWERSAFE_OVERWRITE) ){
     pFile->ctrlFlags |= WINFILE_PSOW;
@@ -3838,7 +3910,7 @@ static int winAccess(
       }
     }else{
       logIoerr(cnt);
-      if( lastErrno!=ERROR_FILE_NOT_FOUND ){
+      if( lastErrno!=ERROR_FILE_NOT_FOUND && lastErrno!=ERROR_PATH_NOT_FOUND ){
         winLogError(SQLITE_IOERR_ACCESS, lastErrno, "winAccess", zFilename);
         sqlite3_free(zConverted);
         return SQLITE_IOERR_ACCESS;
diff --git a/src/pager.c b/src/pager.c
index a3f5d6e..09c2a5f 100644
--- a/src/pager.c
+++ b/src/pager.c
@@ -75,7 +75,7 @@
 ** 
 ** Definition: Two databases (or the same database at two points it time)
 ** are said to be "logically equivalent" if they give the same answer to
-** all queries.  Note in particular the the content of freelist leaf
+** all queries.  Note in particular the content of freelist leaf
 ** pages can be changed arbitarily without effecting the logical equivalence
 ** of the database.
 ** 
@@ -3849,7 +3849,7 @@ void sqlite3PagerRef(DbPage *pPg){
 **
 ** If the Pager.noSync flag is set, then this function is a no-op.
 ** Otherwise, the actions required depend on the journal-mode and the 
-** device characteristics of the the file-system, as follows:
+** device characteristics of the file-system, as follows:
 **
 **   * If the journal file is an in-memory journal file, no action need
 **     be taken.
diff --git a/src/pcache1.c b/src/pcache1.c
index c41b49e..4147d2e 100644
--- a/src/pcache1.c
+++ b/src/pcache1.c
@@ -396,11 +396,10 @@ static int pcache1ResizeHash(PCache1 *p){
 
   pcache1LeaveMutex(p->pGroup);
   if( p->nHash ){ sqlite3BeginBenignMalloc(); }
-  apNew = (PgHdr1 **)sqlite3_malloc(sizeof(PgHdr1 *)*nNew);
+  apNew = (PgHdr1 **)sqlite3MallocZero(sizeof(PgHdr1 *)*nNew);
   if( p->nHash ){ sqlite3EndBenignMalloc(); }
   pcache1EnterMutex(p->pGroup);
   if( apNew ){
-    memset(apNew, 0, sizeof(PgHdr1 *)*nNew);
     for(i=0; i<p->nHash; i++){
       PgHdr1 *pPage;
       PgHdr1 *pNext = p->apHash[i];
@@ -584,9 +583,8 @@ static sqlite3_pcache *pcache1Create(int szPage, int szExtra, int bPurgeable){
   assert( szExtra < 300 );
 
   sz = sizeof(PCache1) + sizeof(PGroup)*separateCache;
-  pCache = (PCache1 *)sqlite3_malloc(sz);
+  pCache = (PCache1 *)sqlite3MallocZero(sz);
   if( pCache ){
-    memset(pCache, 0, sz);
     if( separateCache ){
       pGroup = (PGroup*)&pCache[1];
       pGroup->mxPinned = 10;
diff --git a/src/pragma.c b/src/pragma.c
index b66290c..a41e0e4 100644
--- a/src/pragma.c
+++ b/src/pragma.c
@@ -1160,6 +1160,19 @@ void sqlite3Pragma(
 
     int isQuick = (sqlite3Tolower(zLeft[0])=='q');
 
+    /* If the PRAGMA command was of the form "PRAGMA <db>.integrity_check",
+    ** then iDb is set to the index of the database identified by <db>.
+    ** In this case, the integrity of database iDb only is verified by
+    ** the VDBE created below.
+    **
+    ** Otherwise, if the command was simply "PRAGMA integrity_check" (or
+    ** "PRAGMA quick_check"), then iDb is set to 0. In this case, set iDb
+    ** to -1 here, to indicate that the VDBE should verify the integrity
+    ** of all attached databases.  */
+    assert( iDb>=0 );
+    assert( iDb==0 || pId2->z );
+    if( pId2->z==0 ) iDb = -1;
+
     /* Initialize the VDBE program */
     if( sqlite3ReadSchema(pParse) ) goto pragma_out;
     pParse->nMem = 6;
@@ -1183,6 +1196,7 @@ void sqlite3Pragma(
       int cnt = 0;
 
       if( OMIT_TEMPDB && i==1 ) continue;
+      if( iDb>=0 && i!=iDb ) continue;
 
       sqlite3CodeVerifySchema(pParse, i);
       addr = sqlite3VdbeAddOp1(v, OP_IfPos, 1); /* Halt if out of errors */
@@ -1194,7 +1208,7 @@ void sqlite3Pragma(
       ** Begin by filling registers 2, 3, ... with the root pages numbers
       ** for all tables and indices in the database.
       */
-      assert( sqlite3SchemaMutexHeld(db, iDb, 0) );
+      assert( sqlite3SchemaMutexHeld(db, i, 0) );
       pTbls = &db->aDb[i].pSchema->tblHash;
       for(x=sqliteHashFirst(pTbls); x; x=sqliteHashNext(x)){
         Table *pTab = sqliteHashData(x);
diff --git a/src/printf.c b/src/printf.c
index 58cfd2b..9f68d20 100644
--- a/src/printf.c
+++ b/src/printf.c
@@ -124,7 +124,8 @@ static const et_info fmtinfo[] = {
 static char et_getdigit(LONGDOUBLE_TYPE *val, int *cnt){
   int digit;
   LONGDOUBLE_TYPE d;
-  if( (*cnt)++ >= 16 ) return '0';
+  if( (*cnt)<=0 ) return '0';
+  (*cnt)--;
   digit = (int)*val;
   d = digit;
   digit += '0';
@@ -428,9 +429,12 @@ void sqlite3VXPrintf(
           break;
         }
         if( realvalue>0.0 ){
-          while( realvalue>=1e32 && exp<=350 ){ realvalue *= 1e-32; exp+=32; }
-          while( realvalue>=1e8 && exp<=350 ){ realvalue *= 1e-8; exp+=8; }
-          while( realvalue>=10.0 && exp<=350 ){ realvalue *= 0.1; exp++; }
+          LONGDOUBLE_TYPE scale = 1.0;
+          while( realvalue>=1e100*scale && exp<=350 ){ scale *= 1e100;exp+=100;}
+          while( realvalue>=1e64*scale && exp<=350 ){ scale *= 1e64; exp+=64; }
+          while( realvalue>=1e8*scale && exp<=350 ){ scale *= 1e8; exp+=8; }
+          while( realvalue>=10.0*scale && exp<=350 ){ scale *= 10.0; exp++; }
+          realvalue /= scale;
           while( realvalue<1e-8 ){ realvalue *= 1e8; exp-=8; }
           while( realvalue<1.0 ){ realvalue *= 10.0; exp--; }
           if( exp>350 ){
@@ -463,7 +467,7 @@ void sqlite3VXPrintf(
             xtype = etFLOAT;
           }
         }else{
-          flag_rtz = 0;
+          flag_rtz = flag_altform2;
         }
         if( xtype==etEXP ){
           e2 = 0;
@@ -478,7 +482,7 @@ void sqlite3VXPrintf(
           }
         }
         zOut = bufpt;
-        nsd = 0;
+        nsd = 16 + flag_altform2*10;
         flag_dp = (precision>0 ?1:0) | flag_alternateform | flag_altform2;
         /* The sign in front of the number */
         if( prefix ){
diff --git a/src/resolve.c b/src/resolve.c
index a66f88f..b87d231 100644
--- a/src/resolve.c
+++ b/src/resolve.c
@@ -18,6 +18,29 @@
 #include <stdlib.h>
 #include <string.h>
 
+/*
+** Walk the expression tree pExpr and increase the aggregate function
+** depth (the Expr.op2 field) by N on every TK_AGG_FUNCTION node.
+** This needs to occur when copying a TK_AGG_FUNCTION node from an
+** outer query into an inner subquery.
+**
+** incrAggFunctionDepth(pExpr,n) is the main routine.  incrAggDepth(..)
+** is a helper function - a callback for the tree walker.
+*/
+static int incrAggDepth(Walker *pWalker, Expr *pExpr){
+  if( pExpr->op==TK_AGG_FUNCTION ) pExpr->op2 += pWalker->u.i;
+  return WRC_Continue;
+}
+static void incrAggFunctionDepth(Expr *pExpr, int N){
+  if( N>0 ){
+    Walker w;
+    memset(&w, 0, sizeof(w));
+    w.xExprCallback = incrAggDepth;
+    w.u.i = N;
+    sqlite3WalkExpr(&w, pExpr);
+  }
+}
+
 /*
 ** Turn the pExpr expression into an alias for the iCol-th column of the
 ** result set in pEList.
@@ -44,13 +67,20 @@
 ** The result of random()%5 in the GROUP BY clause is probably different
 ** from the result in the result-set.  We might fix this someday.  Or
 ** then again, we might not...
+**
+** The nSubquery parameter specifies how many levels of subquery the
+** alias is removed from the original expression.  The usually value is
+** zero but it might be more if the alias is contained within a subquery
+** of the original expression.  The Expr.op2 field of TK_AGG_FUNCTION
+** structures must be increased by the nSubquery amount.
 */
 static void resolveAlias(
   Parse *pParse,         /* Parsing context */
   ExprList *pEList,      /* A result set */
   int iCol,              /* A column in the result set.  0..pEList->nExpr-1 */
   Expr *pExpr,           /* Transform this into an alias to the result set */
-  const char *zType      /* "GROUP" or "ORDER" or "" */
+  const char *zType,     /* "GROUP" or "ORDER" or "" */
+  int nSubquery          /* Number of subqueries that the label is moving */
 ){
   Expr *pOrig;           /* The iCol-th column of the result set */
   Expr *pDup;            /* Copy of pOrig */
@@ -63,6 +93,7 @@ static void resolveAlias(
   db = pParse->db;
   if( pOrig->op!=TK_COLUMN && zType[0]!='G' ){
     pDup = sqlite3ExprDup(db, pOrig, 0);
+    incrAggFunctionDepth(pDup, nSubquery);
     pDup = sqlite3PExpr(pParse, TK_AS, pDup, 0, 0);
     if( pDup==0 ) return;
     if( pEList->a[iCol].iAlias==0 ){
@@ -151,9 +182,10 @@ static int lookupName(
   NameContext *pNC,    /* The name context used to resolve the name */
   Expr *pExpr          /* Make this EXPR node point to the selected column */
 ){
-  int i, j;            /* Loop counters */
+  int i, j;                         /* Loop counters */
   int cnt = 0;                      /* Number of matching column names */
   int cntTab = 0;                   /* Number of matching table names */
+  int nSubquery = 0;                /* How many levels of subquery */
   sqlite3 *db = pParse->db;         /* The database connection */
   struct SrcList_item *pItem;       /* Use for looping over pSrcList items */
   struct SrcList_item *pMatch = 0;  /* The matching pSrcList item */
@@ -315,7 +347,7 @@ static int lookupName(
             sqlite3ErrorMsg(pParse, "misuse of aliased aggregate %s", zAs);
             return WRC_Abort;
           }
-          resolveAlias(pParse, pEList, j, pExpr, "");
+          resolveAlias(pParse, pEList, j, pExpr, "", nSubquery);
           cnt = 1;
           pMatch = 0;
           assert( zTab==0 && zDb==0 );
@@ -329,6 +361,7 @@ static int lookupName(
     */
     if( cnt==0 ){
       pNC = pNC->pNext;
+      nSubquery++;
     }
   }
 
@@ -568,13 +601,19 @@ static int resolveExprStep(Walker *pWalker, Expr *pExpr){
              nId, zId);
         pNC->nErr++;
       }
-      if( is_agg ){
-        pExpr->op = TK_AGG_FUNCTION;
-        pNC->ncFlags |= NC_HasAgg;
-      }
       if( is_agg ) pNC->ncFlags &= ~NC_AllowAgg;
       sqlite3WalkExprList(pWalker, pList);
-      if( is_agg ) pNC->ncFlags |= NC_AllowAgg;
+      if( is_agg ){
+        NameContext *pNC2 = pNC;
+        pExpr->op = TK_AGG_FUNCTION;
+        pExpr->op2 = 0;
+        while( pNC2 && !sqlite3FunctionUsesThisSrc(pExpr, pNC2->pSrcList) ){
+          pExpr->op2++;
+          pNC2 = pNC2->pNext;
+        }
+        if( pNC2 ) pNC2->ncFlags |= NC_HasAgg;
+        pNC->ncFlags |= NC_AllowAgg;
+      }
       /* FIX ME:  Compute pExpr->affinity based on the expected return
       ** type of the function 
       */
@@ -853,7 +892,7 @@ int sqlite3ResolveOrderGroupBy(
         resolveOutOfRangeError(pParse, zType, i+1, pEList->nExpr);
         return 1;
       }
-      resolveAlias(pParse, pEList, pItem->iOrderByCol-1, pItem->pExpr, zType);
+      resolveAlias(pParse, pEList, pItem->iOrderByCol-1, pItem->pExpr, zType,0);
     }
   }
   return 0;
diff --git a/src/rowset.c b/src/rowset.c
index 58c18b7..5761f98 100644
--- a/src/rowset.c
+++ b/src/rowset.c
@@ -440,7 +440,7 @@ int sqlite3RowSetNext(RowSet *p, i64 *pRowid){
 }
 
 /*
-** Check to see if element iRowid was inserted into the the rowset as
+** Check to see if element iRowid was inserted into the rowset as
 ** part of any insert batch prior to iBatch.  Return 1 or 0.
 **
 ** If this is the first test of a new batch and if there exist entires
diff --git a/src/select.c b/src/select.c
index d79a611..6ec9da3 100644
--- a/src/select.c
+++ b/src/select.c
@@ -36,10 +36,10 @@ static void clearSelect(sqlite3 *db, Select *p){
 */
 void sqlite3SelectDestInit(SelectDest *pDest, int eDest, int iParm){
   pDest->eDest = (u8)eDest;
-  pDest->iParm = iParm;
-  pDest->affinity = 0;
-  pDest->iMem = 0;
-  pDest->nMem = 0;
+  pDest->iSDParm = iParm;
+  pDest->affSdst = 0;
+  pDest->iSdst = 0;
+  pDest->nSdst = 0;
 }
 
 
@@ -551,7 +551,7 @@ static void selectInnerLoop(
   int hasDistinct;        /* True if the DISTINCT keyword is present */
   int regResult;              /* Start of memory holding result set */
   int eDest = pDest->eDest;   /* How to dispose of results */
-  int iParm = pDest->iParm;   /* First argument to disposal method */
+  int iParm = pDest->iSDParm; /* First argument to disposal method */
   int nResultCol;             /* Number of result columns */
 
   assert( v );
@@ -569,14 +569,14 @@ static void selectInnerLoop(
   }else{
     nResultCol = pEList->nExpr;
   }
-  if( pDest->iMem==0 ){
-    pDest->iMem = pParse->nMem+1;
-    pDest->nMem = nResultCol;
+  if( pDest->iSdst==0 ){
+    pDest->iSdst = pParse->nMem+1;
+    pDest->nSdst = nResultCol;
     pParse->nMem += nResultCol;
   }else{ 
-    assert( pDest->nMem==nResultCol );
+    assert( pDest->nSdst==nResultCol );
   }
-  regResult = pDest->iMem;
+  regResult = pDest->iSdst;
   if( nColumn>0 ){
     for(i=0; i<nColumn; i++){
       sqlite3VdbeAddOp3(v, OP_Column, srcTab, i, regResult+i);
@@ -655,7 +655,7 @@ static void selectInnerLoop(
     */
     case SRT_Set: {
       assert( nColumn==1 );
-      p->affinity = sqlite3CompareAffinity(pEList->a[0].pExpr, pDest->affinity);
+      p->affinity = sqlite3CompareAffinity(pEList->a[0].pExpr, pDest->affSdst);
       if( pOrderBy ){
         /* At first glance you would think we could optimize out the
         ** ORDER BY in this case since the order of entries in the set
@@ -710,7 +710,7 @@ static void selectInnerLoop(
         pushOntoSorter(pParse, pOrderBy, p, r1);
         sqlite3ReleaseTempReg(pParse, r1);
       }else if( eDest==SRT_Coroutine ){
-        sqlite3VdbeAddOp1(v, OP_Yield, pDest->iParm);
+        sqlite3VdbeAddOp1(v, OP_Yield, pDest->iSDParm);
       }else{
         sqlite3VdbeAddOp2(v, OP_ResultRow, regResult, nColumn);
         sqlite3ExprCacheAffinityChange(pParse, regResult, nColumn);
@@ -890,7 +890,7 @@ static void generateSortTail(
   ExprList *pOrderBy = p->pOrderBy;
 
   int eDest = pDest->eDest;
-  int iParm = pDest->iParm;
+  int iParm = pDest->iSDParm;
 
   int regRow;
   int regRowid;
@@ -949,17 +949,17 @@ static void generateSortTail(
       testcase( eDest==SRT_Output );
       testcase( eDest==SRT_Coroutine );
       for(i=0; i<nColumn; i++){
-        assert( regRow!=pDest->iMem+i );
-        sqlite3VdbeAddOp3(v, OP_Column, pseudoTab, i, pDest->iMem+i);
+        assert( regRow!=pDest->iSdst+i );
+        sqlite3VdbeAddOp3(v, OP_Column, pseudoTab, i, pDest->iSdst+i);
         if( i==0 ){
           sqlite3VdbeChangeP5(v, OPFLAG_CLEARCACHE);
         }
       }
       if( eDest==SRT_Output ){
-        sqlite3VdbeAddOp2(v, OP_ResultRow, pDest->iMem, nColumn);
-        sqlite3ExprCacheAffinityChange(pParse, pDest->iMem, nColumn);
+        sqlite3VdbeAddOp2(v, OP_ResultRow, pDest->iSdst, nColumn);
+        sqlite3ExprCacheAffinityChange(pParse, pDest->iSdst, nColumn);
       }else{
-        sqlite3VdbeAddOp1(v, OP_Yield, pDest->iParm);
+        sqlite3VdbeAddOp1(v, OP_Yield, pDest->iSDParm);
       }
       break;
     }
@@ -1610,7 +1610,7 @@ static int multiSelect(
   */
   if( dest.eDest==SRT_EphemTab ){
     assert( p->pEList );
-    sqlite3VdbeAddOp2(v, OP_OpenEphemeral, dest.iParm, p->pEList->nExpr);
+    sqlite3VdbeAddOp2(v, OP_OpenEphemeral, dest.iSDParm, p->pEList->nExpr);
     sqlite3VdbeChangeP5(v, BTREE_UNORDERED);
     dest.eDest = SRT_Table;
   }
@@ -1696,7 +1696,7 @@ static int multiSelect(
                                      ** of a 3-way or more compound */
         assert( p->pLimit==0 );      /* Not allowed on leftward elements */
         assert( p->pOffset==0 );     /* Not allowed on leftward elements */
-        unionTab = dest.iParm;
+        unionTab = dest.iSDParm;
       }else{
         /* We will need to create our own temporary table to hold the
         ** intermediate results.
@@ -1753,7 +1753,7 @@ static int multiSelect(
       /* Convert the data in the temporary table into whatever form
       ** it is that we currently need.
       */
-      assert( unionTab==dest.iParm || dest.eDest!=priorOp );
+      assert( unionTab==dest.iSDParm || dest.eDest!=priorOp );
       if( dest.eDest!=priorOp ){
         int iCont, iBreak, iStart;
         assert( p->pEList );
@@ -1817,7 +1817,7 @@ static int multiSelect(
       p->pLimit = 0;
       pOffset = p->pOffset;
       p->pOffset = 0;
-      intersectdest.iParm = tab2;
+      intersectdest.iSDParm = tab2;
       explainSetInteger(iSub2, pParse->iNextSelectId);
       rc = sqlite3Select(pParse, p, &intersectdest);
       testcase( rc!=SQLITE_OK );
@@ -1911,8 +1911,8 @@ static int multiSelect(
   }
 
 multi_select_end:
-  pDest->iMem = dest.iMem;
-  pDest->nMem = dest.nMem;
+  pDest->iSdst = dest.iSdst;
+  pDest->nSdst = dest.nSdst;
   sqlite3SelectDelete(db, pDelete);
   return rc;
 }
@@ -1922,8 +1922,8 @@ multi_select_end:
 ** Code an output subroutine for a coroutine implementation of a
 ** SELECT statment.
 **
-** The data to be output is contained in pIn->iMem.  There are
-** pIn->nMem columns to be output.  pDest is where the output should
+** The data to be output is contained in pIn->iSdst.  There are
+** pIn->nSdst columns to be output.  pDest is where the output should
 ** be sent.
 **
 ** regReturn is the number of the register holding the subroutine
@@ -1961,16 +1961,16 @@ static int generateOutputSubroutine(
   if( regPrev ){
     int j1, j2;
     j1 = sqlite3VdbeAddOp1(v, OP_IfNot, regPrev);
-    j2 = sqlite3VdbeAddOp4(v, OP_Compare, pIn->iMem, regPrev+1, pIn->nMem,
+    j2 = sqlite3VdbeAddOp4(v, OP_Compare, pIn->iSdst, regPrev+1, pIn->nSdst,
                               (char*)pKeyInfo, p4type);
     sqlite3VdbeAddOp3(v, OP_Jump, j2+2, iContinue, j2+2);
     sqlite3VdbeJumpHere(v, j1);
-    sqlite3ExprCodeCopy(pParse, pIn->iMem, regPrev+1, pIn->nMem);
+    sqlite3ExprCodeCopy(pParse, pIn->iSdst, regPrev+1, pIn->nSdst);
     sqlite3VdbeAddOp2(v, OP_Integer, 1, regPrev);
   }
   if( pParse->db->mallocFailed ) return 0;
 
-  /* Suppress the the first OFFSET entries if there is an OFFSET clause
+  /* Suppress the first OFFSET entries if there is an OFFSET clause
   */
   codeOffset(v, p, iContinue);
 
@@ -1983,9 +1983,9 @@ static int generateOutputSubroutine(
       int r2 = sqlite3GetTempReg(pParse);
       testcase( pDest->eDest==SRT_Table );
       testcase( pDest->eDest==SRT_EphemTab );
-      sqlite3VdbeAddOp3(v, OP_MakeRecord, pIn->iMem, pIn->nMem, r1);
-      sqlite3VdbeAddOp2(v, OP_NewRowid, pDest->iParm, r2);
-      sqlite3VdbeAddOp3(v, OP_Insert, pDest->iParm, r1, r2);
+      sqlite3VdbeAddOp3(v, OP_MakeRecord, pIn->iSdst, pIn->nSdst, r1);
+      sqlite3VdbeAddOp2(v, OP_NewRowid, pDest->iSDParm, r2);
+      sqlite3VdbeAddOp3(v, OP_Insert, pDest->iSDParm, r1, r2);
       sqlite3VdbeChangeP5(v, OPFLAG_APPEND);
       sqlite3ReleaseTempReg(pParse, r2);
       sqlite3ReleaseTempReg(pParse, r1);
@@ -1999,13 +1999,13 @@ static int generateOutputSubroutine(
     */
     case SRT_Set: {
       int r1;
-      assert( pIn->nMem==1 );
+      assert( pIn->nSdst==1 );
       p->affinity = 
-         sqlite3CompareAffinity(p->pEList->a[0].pExpr, pDest->affinity);
+         sqlite3CompareAffinity(p->pEList->a[0].pExpr, pDest->affSdst);
       r1 = sqlite3GetTempReg(pParse);
-      sqlite3VdbeAddOp4(v, OP_MakeRecord, pIn->iMem, 1, r1, &p->affinity, 1);
-      sqlite3ExprCacheAffinityChange(pParse, pIn->iMem, 1);
-      sqlite3VdbeAddOp2(v, OP_IdxInsert, pDest->iParm, r1);
+      sqlite3VdbeAddOp4(v, OP_MakeRecord, pIn->iSdst, 1, r1, &p->affinity, 1);
+      sqlite3ExprCacheAffinityChange(pParse, pIn->iSdst, 1);
+      sqlite3VdbeAddOp2(v, OP_IdxInsert, pDest->iSDParm, r1);
       sqlite3ReleaseTempReg(pParse, r1);
       break;
     }
@@ -2014,7 +2014,7 @@ static int generateOutputSubroutine(
     /* If any row exist in the result set, record that fact and abort.
     */
     case SRT_Exists: {
-      sqlite3VdbeAddOp2(v, OP_Integer, 1, pDest->iParm);
+      sqlite3VdbeAddOp2(v, OP_Integer, 1, pDest->iSDParm);
       /* The LIMIT clause will terminate the loop for us */
       break;
     }
@@ -2025,23 +2025,23 @@ static int generateOutputSubroutine(
     ** of the scan loop.
     */
     case SRT_Mem: {
-      assert( pIn->nMem==1 );
-      sqlite3ExprCodeMove(pParse, pIn->iMem, pDest->iParm, 1);
+      assert( pIn->nSdst==1 );
+      sqlite3ExprCodeMove(pParse, pIn->iSdst, pDest->iSDParm, 1);
       /* The LIMIT clause will jump out of the loop for us */
       break;
     }
 #endif /* #ifndef SQLITE_OMIT_SUBQUERY */
 
     /* The results are stored in a sequence of registers
-    ** starting at pDest->iMem.  Then the co-routine yields.
+    ** starting at pDest->iSdst.  Then the co-routine yields.
     */
     case SRT_Coroutine: {
-      if( pDest->iMem==0 ){
-        pDest->iMem = sqlite3GetTempRange(pParse, pIn->nMem);
-        pDest->nMem = pIn->nMem;
+      if( pDest->iSdst==0 ){
+        pDest->iSdst = sqlite3GetTempRange(pParse, pIn->nSdst);
+        pDest->nSdst = pIn->nSdst;
       }
-      sqlite3ExprCodeMove(pParse, pIn->iMem, pDest->iMem, pDest->nMem);
-      sqlite3VdbeAddOp1(v, OP_Yield, pDest->iParm);
+      sqlite3ExprCodeMove(pParse, pIn->iSdst, pDest->iSdst, pDest->nSdst);
+      sqlite3VdbeAddOp1(v, OP_Yield, pDest->iSDParm);
       break;
     }
 
@@ -2055,8 +2055,8 @@ static int generateOutputSubroutine(
     */
     default: {
       assert( pDest->eDest==SRT_Output );
-      sqlite3VdbeAddOp2(v, OP_ResultRow, pIn->iMem, pIn->nMem);
-      sqlite3ExprCacheAffinityChange(pParse, pIn->iMem, pIn->nMem);
+      sqlite3VdbeAddOp2(v, OP_ResultRow, pIn->iSdst, pIn->nSdst);
+      sqlite3ExprCacheAffinityChange(pParse, pIn->iSdst, pIn->nSdst);
       break;
     }
   }
@@ -2475,7 +2475,7 @@ static int multiSelectOrderBy(
   */
   sqlite3VdbeResolveLabel(v, labelCmpr);
   sqlite3VdbeAddOp4(v, OP_Permutation, 0, 0, 0, (char*)aPermute, P4_INTARRAY);
-  sqlite3VdbeAddOp4(v, OP_Compare, destA.iMem, destB.iMem, nOrderBy,
+  sqlite3VdbeAddOp4(v, OP_Compare, destA.iSdst, destB.iSdst, nOrderBy,
                          (char*)pKeyMerge, P4_KEYINFO_HANDOFF);
   sqlite3VdbeAddOp3(v, OP_Jump, addrAltB, addrAeqB, addrAgtB);
 
@@ -2689,6 +2689,12 @@ static void substSelect(
 **        operators have an implied DISTINCT which is disallowed by
 **        restriction (4).
 **
+**        Also, each component of the sub-query must return the same number
+**        of result columns. This is actually a requirement for any compound
+**        SELECT statement, but all the code here does is make sure that no
+**        such (illegal) sub-query is flattened. The caller will detect the
+**        syntax error and return a detailed message.
+**
 **  (18)  If the sub-query is a compound select, then all terms of the
 **        ORDER by clause of the parent must be simple references to 
 **        columns of the sub-query.
@@ -2832,6 +2838,7 @@ static int flattenSubquery(
       if( (pSub1->selFlags & (SF_Distinct|SF_Aggregate))!=0
        || (pSub1->pPrior && pSub1->op!=TK_ALL) 
        || pSub1->pSrc->nSrc<1
+       || pSub->pEList->nExpr!=pSub1->pEList->nExpr
       ){
         return 0;
       }
@@ -3149,7 +3156,7 @@ static Table *isSimpleCount(Select *p, AggInfo *pAggInfo){
 
   if( IsVirtual(pTab) ) return 0;
   if( pExpr->op!=TK_AGG_FUNCTION ) return 0;
-  if( pAggInfo->nFunc==0 ) return 0;
+  if( NEVER(pAggInfo->nFunc==0) ) return 0;
   if( (pAggInfo->aFunc[0].pFunc->flags&SQLITE_FUNC_COUNT)==0 ) return 0;
   if( pExpr->flags&EP_Distinct ) return 0;
 
@@ -3521,7 +3528,7 @@ static void sqlite3SelectAddTypeInfo(Parse *pParse, Select *pSelect){
 
 
 /*
-** This routine sets of a SELECT statement for processing.  The
+** This routine sets up a SELECT statement for processing.  The
 ** following is accomplished:
 **
 **     *  VDBE Cursor numbers are assigned to all FROM-clause terms.
@@ -3553,7 +3560,8 @@ void sqlite3SelectPrep(
 **
 ** The aggregate accumulator is a set of memory cells that hold
 ** intermediate results while calculating an aggregate.  This
-** routine simply stores NULLs in all of those memory cells.
+** routine generates code that stores NULLs in all of those memory
+** cells.
 */
 static void resetAccumulator(Parse *pParse, AggInfo *pAggInfo){
   Vdbe *v = pParse->pVdbe;
@@ -3721,23 +3729,24 @@ static void explainSimpleCount(
 **
 **     SRT_Mem         Only valid if the result is a single column.
 **                     Store the first column of the first result row
-**                     in register pDest->iParm then abandon the rest
+**                     in register pDest->iSDParm then abandon the rest
 **                     of the query.  This destination implies "LIMIT 1".
 **
 **     SRT_Set         The result must be a single column.  Store each
-**                     row of result as the key in table pDest->iParm. 
-**                     Apply the affinity pDest->affinity before storing
+**                     row of result as the key in table pDest->iSDParm. 
+**                     Apply the affinity pDest->affSdst before storing
 **                     results.  Used to implement "IN (SELECT ...)".
 **
-**     SRT_Union       Store results as a key in a temporary table pDest->iParm.
+**     SRT_Union       Store results as a key in a temporary table 
+**                     identified by pDest->iSDParm.
 **
-**     SRT_Except      Remove results from the temporary table pDest->iParm.
+**     SRT_Except      Remove results from the temporary table pDest->iSDParm.
 **
-**     SRT_Table       Store results in temporary table pDest->iParm.
+**     SRT_Table       Store results in temporary table pDest->iSDParm.
 **                     This is like SRT_EphemTab except that the table
 **                     is assumed to already be open.
 **
-**     SRT_EphemTab    Create an temporary table pDest->iParm and store
+**     SRT_EphemTab    Create an temporary table pDest->iSDParm and store
 **                     the result there. The cursor is left open after
 **                     returning.  This is like SRT_Table except that
 **                     this destination uses OP_OpenEphemeral to create
@@ -3745,9 +3754,9 @@ static void explainSimpleCount(
 **
 **     SRT_Coroutine   Generate a co-routine that returns a new row of
 **                     results each time it is invoked.  The entry point
-**                     of the co-routine is stored in register pDest->iParm.
+**                     of the co-routine is stored in register pDest->iSDParm.
 **
-**     SRT_Exists      Store a 1 in memory cell pDest->iParm if the result
+**     SRT_Exists      Store a 1 in memory cell pDest->iSDParm if the result
 **                     set is not empty.
 **
 **     SRT_Discard     Throw the results away.  This is used by SELECT
@@ -3991,7 +4000,7 @@ int sqlite3Select(
   /* If the output is destined for a temporary table, open that table.
   */
   if( pDest->eDest==SRT_EphemTab ){
-    sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pDest->iParm, pEList->nExpr);
+    sqlite3VdbeAddOp2(v, OP_OpenEphemeral, pDest->iSDParm, pEList->nExpr);
   }
 
   /* Set the limiter.
@@ -4022,7 +4031,7 @@ int sqlite3Select(
     ExprList *pDist = (isDistinct ? p->pEList : 0);
 
     /* Begin the database scan. */
-    pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, &pOrderBy, pDist, 0);
+    pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, &pOrderBy, pDist, 0,0);
     if( pWInfo==0 ) goto select_end;
     if( pWInfo->nRowOut < p->nSelectRow ) p->nSelectRow = pWInfo->nRowOut;
 
@@ -4195,7 +4204,7 @@ int sqlite3Select(
       ** in the right order to begin with.
       */
       sqlite3VdbeAddOp2(v, OP_Gosub, regReset, addrReset);
-      pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, &pGroupBy, 0, 0);
+      pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, &pGroupBy, 0, 0, 0);
       if( pWInfo==0 ) goto select_end;
       if( pGroupBy==0 ){
         /* The optimizer is able to deliver rows in group by order so
@@ -4464,7 +4473,7 @@ int sqlite3Select(
         ** of output.
         */
         resetAccumulator(pParse, &sAggInfo);
-        pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, &pMinMax, 0, flag);
+        pWInfo = sqlite3WhereBegin(pParse, pTabList, pWhere, &pMinMax,0,flag,0);
         if( pWInfo==0 ){
           sqlite3ExprListDelete(db, pDel);
           goto select_end;
diff --git a/src/shell.c b/src/shell.c
index 801ad2c..a17d966 100644
--- a/src/shell.c
+++ b/src/shell.c
@@ -36,7 +36,7 @@
 #include <ctype.h>
 #include <stdarg.h>
 
-#if !defined(_WIN32) && !defined(WIN32) && !defined(__OS2__)
+#if !defined(_WIN32) && !defined(WIN32)
 # include <signal.h>
 # if !defined(__RTP__) && !defined(_WRS_KERNEL)
 #  include <pwd.h>
@@ -45,10 +45,6 @@
 # include <sys/types.h>
 #endif
 
-#ifdef __OS2__
-# include <unistd.h>
-#endif
-
 #ifdef HAVE_EDITLINE
 # include <editline/editline.h>
 #endif
@@ -68,7 +64,9 @@
 # include <io.h>
 #define isatty(h) _isatty(h)
 #define access(f,m) _access((f),(m))
+#undef popen
 #define popen(a,b) _popen((a),(b))
+#undef pclose
 #define pclose(x) _pclose(x)
 #else
 /* Make sure isatty() has a prototype.
@@ -92,7 +90,7 @@ static int enableTimer = 0;
 #define IsDigit(X)  isdigit((unsigned char)X)
 #define ToLower(X)  (char)tolower((unsigned char)X)
 
-#if !defined(_WIN32) && !defined(WIN32) && !defined(__OS2__) && !defined(__RTP__) && !defined(_WRS_KERNEL)
+#if !defined(_WIN32) && !defined(WIN32) && !defined(_WRS_KERNEL)
 #include <sys/time.h>
 #include <sys/resource.h>
 
@@ -1453,6 +1451,7 @@ static int process_input(struct callback_data *p, FILE *in);
 */
 static void open_db(struct callback_data *p){
   if( p->db==0 ){
+    sqlite3_initialize();
     sqlite3_open(p->zDbFilename, &p->db);
     db = p->db;
     if( db && sqlite3_errcode(db)==SQLITE_OK ){
@@ -2468,7 +2467,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
     open_db(p);
     output_file_close(p->traceOut);
     p->traceOut = output_file_open(azArg[1]);
-#ifndef SQLITE_OMIT_TRACE
+#if !defined(SQLITE_OMIT_TRACE) && !defined(SQLITE_OMIT_FLOATING_POINT)
     if( p->traceOut==0 ){
       sqlite3_trace(p->db, 0, 0);
     }else{
@@ -2696,11 +2695,13 @@ static char *find_home_dir(void){
   static char *home_dir = NULL;
   if( home_dir ) return home_dir;
 
-#if !defined(_WIN32) && !defined(WIN32) && !defined(__OS2__) && !defined(_WIN32_WCE) && !defined(__RTP__) && !defined(_WRS_KERNEL)
-  struct passwd *pwent;
-  uid_t uid = getuid();
-  if( (pwent=getpwuid(uid)) != NULL) {
-    home_dir = pwent->pw_dir;
+#if !defined(_WIN32) && !defined(WIN32) && !defined(_WIN32_WCE) && !defined(__RTP__) && !defined(_WRS_KERNEL)
+  {
+    struct passwd *pwent;
+    uid_t uid = getuid();
+    if( (pwent=getpwuid(uid)) != NULL) {
+      home_dir = pwent->pw_dir;
+    }
   }
 #endif
 
@@ -2710,7 +2711,7 @@ static char *find_home_dir(void){
   home_dir = "/";
 #else
 
-#if defined(_WIN32) || defined(WIN32) || defined(__OS2__)
+#if defined(_WIN32) || defined(WIN32)
   if (!home_dir) {
     home_dir = getenv("USERPROFILE");
   }
@@ -2720,7 +2721,7 @@ static char *find_home_dir(void){
     home_dir = getenv("HOME");
   }
 
-#if defined(_WIN32) || defined(WIN32) || defined(__OS2__)
+#if defined(_WIN32) || defined(WIN32)
   if (!home_dir) {
     char *zDrive, *zPath;
     int n;
@@ -2773,6 +2774,7 @@ static int process_sqliterc(
 #endif
       return 1;
     }
+    sqlite3_initialize();
     zBuf = sqlite3_mprintf("%s/.sqliterc",home_dir);
     sqliterc = zBuf;
   }
@@ -2936,11 +2938,7 @@ int main(int argc, char **argv){
     }
   }
   if( i<argc ){
-#if defined(SQLITE_OS_OS2) && SQLITE_OS_OS2
-    data.zDbFilename = (const char *)convertCpPathToUtf8( argv[i++] );
-#else
     data.zDbFilename = argv[i++];
-#endif
   }else{
 #ifndef SQLITE_OMIT_MEMORYDB
     data.zDbFilename = ":memory:";
diff --git a/src/sqlite.h.in b/src/sqlite.h.in
index f273937..9a31e22 100644
--- a/src/sqlite.h.in
+++ b/src/sqlite.h.in
@@ -214,7 +214,8 @@ int sqlite3_threadsafe(void);
 ** the opaque structure named "sqlite3".  It is useful to think of an sqlite3
 ** pointer as an object.  The [sqlite3_open()], [sqlite3_open16()], and
 ** [sqlite3_open_v2()] interfaces are its constructors, and [sqlite3_close()]
-** is its destructor.  There are many other interfaces (such as
+** and [sqlite3_close_v2()] are its destructors.  There are many other
+** interfaces (such as
 ** [sqlite3_prepare_v2()], [sqlite3_create_function()], and
 ** [sqlite3_busy_timeout()] to name but three) that are methods on an
 ** sqlite3 object.
@@ -261,28 +262,46 @@ typedef sqlite_uint64 sqlite3_uint64;
 /*
 ** CAPI3REF: Closing A Database Connection
 **
-** ^The sqlite3_close() routine is the destructor for the [sqlite3] object.
-** ^Calls to sqlite3_close() return SQLITE_OK if the [sqlite3] object is
-** successfully destroyed and all associated resources are deallocated.
+** ^The sqlite3_close() and sqlite3_close_v2() routines are destructors
+** for the [sqlite3] object.
+** ^Calls to sqlite3_close() and sqlite3_close_v2() return SQLITE_OK if
+** the [sqlite3] object is successfully destroyed and all associated
+** resources are deallocated.
 **
-** Applications must [sqlite3_finalize | finalize] all [prepared statements]
-** and [sqlite3_blob_close | close] all [BLOB handles] associated with
-** the [sqlite3] object prior to attempting to close the object.  ^If
+** ^If the database connection is associated with unfinalized prepared
+** statements or unfinished sqlite3_backup objects then sqlite3_close()
+** will leave the database connection open and return [SQLITE_BUSY].
+** ^If sqlite3_close_v2() is called with unfinalized prepared statements
+** and unfinished sqlite3_backups, then the database connection becomes
+** an unusable "zombie" which will automatically be deallocated when the
+** last prepared statement is finalized or the last sqlite3_backup is
+** finished.  The sqlite3_close_v2() interface is intended for use with
+** host languages that are garbage collected, and where the order in which
+** destructors are called is arbitrary.
+**
+** Applications should [sqlite3_finalize | finalize] all [prepared statements],
+** [sqlite3_blob_close | close] all [BLOB handles], and 
+** [sqlite3_backup_finish | finish] all [sqlite3_backup] objects associated
+** with the [sqlite3] object prior to attempting to close the object.  ^If
 ** sqlite3_close() is called on a [database connection] that still has
-** outstanding [prepared statements] or [BLOB handles], then it returns
-** SQLITE_BUSY.
+** outstanding [prepared statements], [BLOB handles], and/or
+** [sqlite3_backup] objects then it returns SQLITE_OK but the deallocation
+** of resources is deferred until all [prepared statements], [BLOB handles],
+** and [sqlite3_backup] objects are also destroyed.
 **
-** ^If [sqlite3_close()] is invoked while a transaction is open,
+** ^If an [sqlite3] object is destroyed while a transaction is open,
 ** the transaction is automatically rolled back.
 **
-** The C parameter to [sqlite3_close(C)] must be either a NULL
+** The C parameter to [sqlite3_close(C)] and [sqlite3_close_v2(C)]
+** must be either a NULL
 ** pointer or an [sqlite3] object pointer obtained
 ** from [sqlite3_open()], [sqlite3_open16()], or
 ** [sqlite3_open_v2()], and not previously closed.
-** ^Calling sqlite3_close() with a NULL pointer argument is a 
-** harmless no-op.
+** ^Calling sqlite3_close() or sqlite3_close_v2() with a NULL pointer
+** argument is a harmless no-op.
 */
-int sqlite3_close(sqlite3 *);
+int sqlite3_close(sqlite3*);
+int sqlite3_close_v2(sqlite3*);
 
 /*
 ** The type for a callback function.
@@ -493,7 +512,7 @@ int sqlite3_exec(
 ** CAPI3REF: Device Characteristics
 **
 ** The xDeviceCharacteristics method of the [sqlite3_io_methods]
-** object returns an integer which is a vector of the these
+** object returns an integer which is a vector of these
 ** bit values expressing I/O characteristics of the mass storage
 ** device that holds the file that the [sqlite3_io_methods]
 ** refers to.
@@ -2643,6 +2662,12 @@ void sqlite3_progress_handler(sqlite3*, int, int(*)(void*), void*);
 ** codepage is currently defined.  Filenames containing international
 ** characters must be converted to UTF-8 prior to passing them into
 ** sqlite3_open() or sqlite3_open_v2().
+**
+** <b>Note to Windows Runtime users:</b>  The temporary directory must be set
+** prior to calling sqlite3_open() or sqlite3_open_v2().  Otherwise, various
+** features that require the use of temporary files may fail.
+**
+** See also: [sqlite3_temp_directory]
 */
 int sqlite3_open(
   const char *filename,   /* Database filename (UTF-8) */
@@ -3135,8 +3160,11 @@ typedef struct sqlite3_context sqlite3_context;
 ** ^(In those routines that have a fourth argument, its value is the
 ** number of bytes in the parameter.  To be clear: the value is the
 ** number of <u>bytes</u> in the value, not the number of characters.)^
-** ^If the fourth parameter is negative, the length of the string is
+** ^If the fourth parameter to sqlite3_bind_text() or sqlite3_bind_text16()
+** is negative, then the length of the string is
 ** the number of bytes up to the first zero terminator.
+** If the fourth parameter to sqlite3_bind_blob() is negative, then
+** the behavior is undefined.
 ** If a non-negative fourth parameter is provided to sqlite3_bind_text()
 ** or sqlite3_bind_text16() then that parameter must be the byte offset
 ** where the NUL terminator would occur assuming the string were NUL
@@ -4133,11 +4161,11 @@ typedef void (*sqlite3_destructor_type)(void*);
 ** the error code is SQLITE_ERROR.  ^A subsequent call to sqlite3_result_error()
 ** or sqlite3_result_error16() resets the error code to SQLITE_ERROR.
 **
-** ^The sqlite3_result_toobig() interface causes SQLite to throw an error
-** indicating that a string or BLOB is too long to represent.
+** ^The sqlite3_result_error_toobig() interface causes SQLite to throw an
+** error indicating that a string or BLOB is too long to represent.
 **
-** ^The sqlite3_result_nomem() interface causes SQLite to throw an error
-** indicating that a memory allocation failed.
+** ^The sqlite3_result_error_nomem() interface causes SQLite to throw an
+** error indicating that a memory allocation failed.
 **
 ** ^The sqlite3_result_int() interface sets the return value
 ** of the application-defined function to be the 32-bit signed integer
@@ -4444,6 +4472,21 @@ int sqlite3_sleep(int);
 ** Hence, if this variable is modified directly, either it should be
 ** made NULL or made to point to memory obtained from [sqlite3_malloc]
 ** or else the use of the [temp_store_directory pragma] should be avoided.
+**
+** <b>Note to Windows Runtime users:</b>  The temporary directory must be set
+** prior to calling [sqlite3_open] or [sqlite3_open_v2].  Otherwise, various
+** features that require the use of temporary files may fail.  Here is an
+** example of how to do this using C++ with the Windows Runtime:
+**
+** <blockquote><pre>
+** LPCWSTR zPath = Windows::Storage::ApplicationData::Current->
+** &nbsp;     TemporaryFolder->Path->Data();
+** char zPathBuf&#91;MAX_PATH + 1&#93;;
+** memset(zPathBuf, 0, sizeof(zPathBuf));
+** WideCharToMultiByte(CP_UTF8, 0, zPath, -1, zPathBuf, sizeof(zPathBuf),
+** &nbsp;     NULL, NULL);
+** sqlite3_temp_directory = sqlite3_mprintf("%s", zPathBuf);
+** </pre></blockquote>
 */
 SQLITE_EXTERN char *sqlite3_temp_directory;
 
@@ -5489,7 +5532,6 @@ int sqlite3_vfs_unregister(sqlite3_vfs*);
 ** implementations are available in the SQLite core:
 **
 ** <ul>
-** <li>   SQLITE_MUTEX_OS2
 ** <li>   SQLITE_MUTEX_PTHREADS
 ** <li>   SQLITE_MUTEX_W32
 ** <li>   SQLITE_MUTEX_NOOP
@@ -5497,9 +5539,9 @@ int sqlite3_vfs_unregister(sqlite3_vfs*);
 **
 ** ^The SQLITE_MUTEX_NOOP implementation is a set of routines
 ** that does no real locking and is appropriate for use in
-** a single-threaded application.  ^The SQLITE_MUTEX_OS2,
-** SQLITE_MUTEX_PTHREADS, and SQLITE_MUTEX_W32 implementations
-** are appropriate for use on OS/2, Unix, and Windows.
+** a single-threaded application.  ^The SQLITE_MUTEX_PTHREADS and
+** SQLITE_MUTEX_W32 implementations are appropriate for use on Unix
+** and Windows.
 **
 ** ^(If SQLite is compiled with the SQLITE_MUTEX_APPDEF preprocessor
 ** macro defined (with "-DSQLITE_MUTEX_APPDEF=1"), then no mutex
diff --git a/src/sqlite3.rc b/src/sqlite3.rc
new file mode 100644
index 0000000..969876d
--- /dev/null
+++ b/src/sqlite3.rc
@@ -0,0 +1,69 @@
+/*
+** 2012 September 2
+**
+** The author disclaims copyright to this source code.  In place of
+** a legal notice, here is a blessing:
+**
+**    May you do good and not evil.
+**    May you find forgiveness for yourself and forgive others.
+**    May you share freely, never taking more than you give.
+**
+******************************************************************************
+**
+** This file contains code and resources that are specific to Windows.
+*/
+
+#if !defined(_WIN32_WCE)
+#include "winresrc.h"
+#else
+#include "windows.h"
+#endif
+
+#include "sqlite3.h"
+#include "sqlite3rc.h"
+
+/*
+ * English (U.S.) resources
+ */
+
+#ifdef _WIN32
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
+#pragma code_page(1252)
+#endif /* _WIN32 */
+
+/*
+ * Version
+ */
+
+VS_VERSION_INFO VERSIONINFO
+  FILEVERSION SQLITE_RESOURCE_VERSION
+  PRODUCTVERSION SQLITE_RESOURCE_VERSION
+  FILEFLAGSMASK 0x3F
+#if defined(_DEBUG)
+  FILEFLAGS 0x1L
+#else
+  FILEFLAGS 0x0L
+#endif
+  FILEOS VOS__WINDOWS32
+  FILETYPE VFT_APP
+  FILESUBTYPE VFT2_UNKNOWN
+BEGIN
+  BLOCK "StringFileInfo"
+  BEGIN
+    BLOCK "040904b0"
+    BEGIN
+      VALUE "CompanyName", "SQLite Development Team"
+      VALUE "FileDescription", "SQLite is a software library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine."
+      VALUE "FileVersion", SQLITE_VERSION
+      VALUE "InternalName", "sqlite3"
+      VALUE "LegalCopyright", "http://www.sqlite.org/copyright.html"
+      VALUE "ProductName", "SQLite"
+      VALUE "ProductVersion", SQLITE_VERSION
+      VALUE "SourceId", SQLITE_SOURCE_ID
+    END
+  END
+  BLOCK "VarFileInfo"
+  BEGIN
+    VALUE "Translation", 0x409, 1200
+  END
+END
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index e696e91..09163bf 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -149,6 +149,7 @@
 **
 **     SQLITE_SYSTEM_MALLOC          // Use normal system malloc()
 **     SQLITE_WIN32_MALLOC           // Use Win32 native heap API
+**     SQLITE_ZERO_MALLOC            // Use a stub allocator that always fails
 **     SQLITE_MEMDEBUG               // Debugging version of system malloc()
 **
 ** On Windows, if the SQLITE_WIN32_MALLOC_VALIDATE macro is defined and the
@@ -162,11 +163,19 @@
 ** If none of the above are defined, then set SQLITE_SYSTEM_MALLOC as
 ** the default.
 */
-#if defined(SQLITE_SYSTEM_MALLOC)+defined(SQLITE_WIN32_MALLOC)+defined(SQLITE_MEMDEBUG)>1
-# error "At most one of the following compile-time configuration options\
- is allows: SQLITE_SYSTEM_MALLOC, SQLITE_WIN32_MALLOC, SQLITE_MEMDEBUG"
+#if defined(SQLITE_SYSTEM_MALLOC) \
+  + defined(SQLITE_WIN32_MALLOC) \
+  + defined(SQLITE_ZERO_MALLOC) \
+  + defined(SQLITE_MEMDEBUG)>1
+# error "Two or more of the following compile-time configuration options\
+ are defined but at most one is allowed:\
+ SQLITE_SYSTEM_MALLOC, SQLITE_WIN32_MALLOC, SQLITE_MEMDEBUG,\
+ SQLITE_ZERO_MALLOC"
 #endif
-#if defined(SQLITE_SYSTEM_MALLOC)+defined(SQLITE_WIN32_MALLOC)+defined(SQLITE_MEMDEBUG)==0
+#if defined(SQLITE_SYSTEM_MALLOC) \
+  + defined(SQLITE_WIN32_MALLOC) \
+  + defined(SQLITE_ZERO_MALLOC) \
+  + defined(SQLITE_MEMDEBUG)==0
 # define SQLITE_SYSTEM_MALLOC 1
 #endif
 
@@ -974,6 +983,7 @@ struct sqlite3 {
 #define SQLITE_MAGIC_SICK     0x4b771290  /* Error and awaiting close */
 #define SQLITE_MAGIC_BUSY     0xf03b7906  /* Database currently in use */
 #define SQLITE_MAGIC_ERROR    0xb5357930  /* An SQLITE_MISUSE error occurred */
+#define SQLITE_MAGIC_ZOMBIE   0x64cffc7f  /* Close with last statement close */
 
 /*
 ** Each SQL function is defined by an instance of the following
@@ -1680,8 +1690,9 @@ struct Expr {
   i16 iAgg;              /* Which entry in pAggInfo->aCol[] or ->aFunc[] */
   i16 iRightJoinTable;   /* If EP_FromJoin, the right table of the join */
   u8 flags2;             /* Second set of flags.  EP2_... */
-  u8 op2;                /* If a TK_REGISTER, the original value of Expr.op */
-                         /* If TK_COLUMN, the value of p5 for OP_Column */
+  u8 op2;                /* TK_REGISTER: original value of Expr.op
+                         ** TK_COLUMN: the value of p5 for OP_Column
+                         ** TK_AGG_FUNCTION: nesting depth */
   AggInfo *pAggInfo;     /* Used by TK_AGG_COLUMN and TK_AGG_FUNCTION */
   Table *pTab;           /* Table for TK_COLUMN expressions. */
 #if SQLITE_MAX_EXPR_DEPTH>0
@@ -1906,7 +1917,7 @@ struct WherePlan {
 /*
 ** For each nested loop in a WHERE clause implementation, the WhereInfo
 ** structure contains a single instance of this structure.  This structure
-** is intended to be private the the where.c module and should not be
+** is intended to be private to the where.c module and should not be
 ** access or modified by other modules.
 **
 ** The pIdxInfo field is used to help pick the best index on a
@@ -1936,6 +1947,7 @@ struct WhereLevel {
         int addrInTop;         /* Top of the IN loop */
       } *aInLoop;           /* Information about each nested IN operator */
     } in;                 /* Used when plan.wsFlags&WHERE_IN_ABLE */
+    Index *pCovidx;       /* Possible covering index for WHERE_MULTI_OR */
   } u;
 
   /* The following field is really not part of the current level.  But
@@ -2108,10 +2120,10 @@ struct Select {
 typedef struct SelectDest SelectDest;
 struct SelectDest {
   u8 eDest;         /* How to dispose of the results */
-  u8 affinity;      /* Affinity used when eDest==SRT_Set */
-  int iParm;        /* A parameter used by the eDest disposal method */
-  int iMem;         /* Base register where results are written */
-  int nMem;         /* Number of registers allocated */
+  u8 affSdst;       /* Affinity used when eDest==SRT_Set */
+  int iSDParm;      /* A parameter used by the eDest disposal method */
+  int iSdst;        /* Base register where results are written */
+  int nSdst;        /* Number of registers allocated */
 };
 
 /*
@@ -2307,6 +2319,8 @@ struct AuthContext {
 #define OPFLAG_CLEARCACHE    0x20    /* Clear pseudo-table cache in OP_Column */
 #define OPFLAG_LENGTHARG     0x40    /* OP_Column only used for length() */
 #define OPFLAG_TYPEOFARG     0x80    /* OP_Column only used for typeof() */
+#define OPFLAG_BULKCSR       0x01    /* OP_Open** used to open bulk cursor */
+#define OPFLAG_P2ISREG       0x02    /* P2 to OP_Open** is a register number */
 
 /*
  * Each trigger present in the database schema is stored as an instance of
@@ -2486,10 +2500,12 @@ struct Walker {
   int (*xExprCallback)(Walker*, Expr*);     /* Callback for expressions */
   int (*xSelectCallback)(Walker*,Select*);  /* Callback for SELECTs */
   Parse *pParse;                            /* Parser context.  */
+  int walkerDepth;                          /* Number of subqueries */
   union {                                   /* Extra data for callback */
     NameContext *pNC;                          /* Naming context */
     int i;                                     /* Integer value */
     SrcList *pSrcList;                         /* FROM clause */
+    struct SrcCount *pSrcCount;                /* Counting column references */
   } u;
 };
 
@@ -2791,7 +2807,8 @@ Expr *sqlite3LimitWhere(Parse *, SrcList *, Expr *, ExprList *, Expr *, Expr *,
 #endif
 void sqlite3DeleteFrom(Parse*, SrcList*, Expr*);
 void sqlite3Update(Parse*, SrcList*, ExprList*, Expr*, int);
-WhereInfo *sqlite3WhereBegin(Parse*, SrcList*, Expr*, ExprList**,ExprList*,u16);
+WhereInfo *sqlite3WhereBegin(
+    Parse*,SrcList*,Expr*,ExprList**,ExprList*,u16,int);
 void sqlite3WhereEnd(WhereInfo*);
 int sqlite3ExprCodeGetColumn(Parse*, Table*, int, int, int, u8);
 void sqlite3ExprCodeGetColumnOfTable(Vdbe*, Table*, int, int, int);
@@ -2823,6 +2840,7 @@ int sqlite3ExprCompare(Expr*, Expr*);
 int sqlite3ExprListCompare(ExprList*, ExprList*);
 void sqlite3ExprAnalyzeAggregates(NameContext*, Expr*);
 void sqlite3ExprAnalyzeAggList(NameContext*,ExprList*);
+int sqlite3FunctionUsesThisSrc(Expr*, SrcList*);
 Vdbe *sqlite3GetVdbe(Parse*);
 void sqlite3PrngSaveState(void);
 void sqlite3PrngRestoreState(void);
@@ -2835,6 +2853,7 @@ void sqlite3CommitTransaction(Parse*);
 void sqlite3RollbackTransaction(Parse*);
 void sqlite3Savepoint(Parse*, int, Token*);
 void sqlite3CloseSavepoints(sqlite3 *);
+void sqlite3LeaveMutexAndCloseZombie(sqlite3*);
 int sqlite3ExprIsConstant(Expr*);
 int sqlite3ExprIsConstantNotJoin(Expr*);
 int sqlite3ExprIsConstantOrFunction(Expr*);
diff --git a/src/tclsqlite.c b/src/tclsqlite.c
index 51f8c51..a2072f8 100644
--- a/src/tclsqlite.c
+++ b/src/tclsqlite.c
@@ -53,15 +53,8 @@
 #define NUM_PREPARED_STMTS 10
 #define MAX_PREPARED_STMTS 100
 
-/*
-** If TCL uses UTF-8 and SQLite is configured to use iso8859, then we
-** have to do a translation when going between the two.  Set the 
-** UTF_TRANSLATION_NEEDED macro to indicate that we need to do
-** this translation.  
-*/
-#if defined(TCL_UTF_MAX) && !defined(SQLITE_UTF8)
-# define UTF_TRANSLATION_NEEDED 1
-#endif
+/* Forward declaration */
+typedef struct SqliteDb SqliteDb;
 
 /*
 ** New SQL functions can be created as TCL scripts.  Each such function
@@ -71,6 +64,7 @@ typedef struct SqlFunc SqlFunc;
 struct SqlFunc {
   Tcl_Interp *interp;   /* The TCL interpret to execute the function */
   Tcl_Obj *pScript;     /* The Tcl_Obj representation of the script */
+  SqliteDb *pDb;        /* Database connection that owns this function */
   int useEvalObjv;      /* True if it is safe to use Tcl_EvalObjv */
   char *zName;          /* Name of this function */
   SqlFunc *pNext;       /* Next function on the list of them all */
@@ -113,7 +107,6 @@ typedef struct IncrblobChannel IncrblobChannel;
 ** sqlite3_prepare_v2() or sqlite3_prepare() to prepare SQL statements.
 ** If SqliteDb.bLegacyPrepare is true, sqlite3_prepare() is used.
 */
-typedef struct SqliteDb SqliteDb;
 struct SqliteDb {
   sqlite3 *db;               /* The "real" database structure. MUST BE FIRST */
   Tcl_Interp *interp;        /* The interpreter used for this database */
@@ -431,6 +424,7 @@ static SqlFunc *findSqlFunc(SqliteDb *pDb, const char *zName){
     }
   }
   pNew->interp = pDb->interp;
+  pNew->pDb = pDb;
   pNew->pScript = 0;
   pNew->pNext = pDb->pFunc;
   pDb->pFunc = pNew;
@@ -478,6 +472,7 @@ static void DbDeleteCmd(void *db){
   while( pDb->pFunc ){
     SqlFunc *pFunc = pDb->pFunc;
     pDb->pFunc = pFunc->pNext;
+    assert( pFunc->pDb==pDb );
     Tcl_DecrRefCount(pFunc->pScript);
     Tcl_Free((char*)pFunc);
   }
@@ -794,7 +789,7 @@ static void tclSqlFunc(sqlite3_context *context, int argc, sqlite3_value**argv){
           break;
         }
         case SQLITE_NULL: {
-          pVal = Tcl_NewStringObj("", 0);
+          pVal = Tcl_NewStringObj(p->pDb->zNull, -1);
           break;
         }
         default: {
@@ -933,26 +928,6 @@ static int auth_callback(
 }
 #endif /* SQLITE_OMIT_AUTHORIZATION */
 
-/*
-** zText is a pointer to text obtained via an sqlite3_result_text()
-** or similar interface. This routine returns a Tcl string object, 
-** reference count set to 0, containing the text. If a translation
-** between iso8859 and UTF-8 is required, it is preformed.
-*/
-static Tcl_Obj *dbTextToObj(char const *zText){
-  Tcl_Obj *pVal;
-#ifdef UTF_TRANSLATION_NEEDED
-  Tcl_DString dCol;
-  Tcl_DStringInit(&dCol);
-  Tcl_ExternalToUtfDString(NULL, zText, -1, &dCol);
-  pVal = Tcl_NewStringObj(Tcl_DStringValue(&dCol), -1);
-  Tcl_DStringFree(&dCol);
-#else
-  pVal = Tcl_NewStringObj(zText, -1);
-#endif
-  return pVal;
-}
-
 /*
 ** This routine reads a line of text from FILE in, stores
 ** the text in memory obtained from malloc() and returns a pointer
@@ -1140,13 +1115,13 @@ static int dbPrepareAndBind(
     int nByte;
 
     if( SQLITE_OK!=dbPrepare(pDb, zSql, &pStmt, pzOut) ){
-      Tcl_SetObjResult(interp, dbTextToObj(sqlite3_errmsg(pDb->db)));
+      Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3_errmsg(pDb->db), -1));
       return TCL_ERROR;
     }
     if( pStmt==0 ){
       if( SQLITE_OK!=sqlite3_errcode(pDb->db) ){
         /* A compile-time error in the statement. */
-        Tcl_SetObjResult(interp, dbTextToObj(sqlite3_errmsg(pDb->db)));
+        Tcl_SetObjResult(interp, Tcl_NewStringObj(sqlite3_errmsg(pDb->db), -1));
         return TCL_ERROR;
       }else{
         /* The statement was a no-op.  Continue to the next statement
@@ -1365,7 +1340,7 @@ static void dbEvalRowInfo(
     if( nCol>0 && (papColName || p->pArray) ){
       apColName = (Tcl_Obj**)Tcl_Alloc( sizeof(Tcl_Obj*)*nCol );
       for(i=0; i<nCol; i++){
-        apColName[i] = dbTextToObj(sqlite3_column_name(pStmt,i));
+        apColName[i] = Tcl_NewStringObj(sqlite3_column_name(pStmt,i), -1);
         Tcl_IncrRefCount(apColName[i]);
       }
       p->apColName = apColName;
@@ -1452,7 +1427,8 @@ static int dbEvalStep(DbEvalContext *p){
           continue;
         }
 #endif
-        Tcl_SetObjResult(pDb->interp, dbTextToObj(sqlite3_errmsg(pDb->db)));
+        Tcl_SetObjResult(pDb->interp,
+                         Tcl_NewStringObj(sqlite3_errmsg(pDb->db), -1));
         return TCL_ERROR;
       }else{
         dbReleaseStmt(pDb, pPreStmt, 0);
@@ -1509,11 +1485,11 @@ static Tcl_Obj *dbEvalColumnValue(DbEvalContext *p, int iCol){
       return Tcl_NewDoubleObj(sqlite3_column_double(pStmt, iCol));
     }
     case SQLITE_NULL: {
-      return dbTextToObj(p->pDb->zNull);
+      return Tcl_NewStringObj(p->pDb->zNull, -1);
     }
   }
 
-  return dbTextToObj((char *)sqlite3_column_text(pStmt, iCol));
+  return Tcl_NewStringObj(sqlite3_column_text(pStmt, iCol), -1);
 }
 
 /*
@@ -2433,7 +2409,7 @@ static int DbObjCmd(void *cd, Tcl_Interp *interp, int objc,Tcl_Obj *const*objv){
         pDb->zNull = 0;
       }
     }
-    Tcl_SetObjResult(interp, dbTextToObj(pDb->zNull));
+    Tcl_SetObjResult(interp, Tcl_NewStringObj(pDb->zNull, -1));
     break;
   }
 
diff --git a/src/test1.c b/src/test1.c
index 445f4f2..c3dac06 100644
--- a/src/test1.c
+++ b/src/test1.c
@@ -5928,7 +5928,7 @@ static int optimization_control(
   sqlite3 *db;
   const char *zOpt;
   int onoff;
-  int mask;
+  int mask = 0;
   static const struct {
     const char *zOptName;
     int mask;
diff --git a/src/test4.c b/src/test4.c
index 5c94370..5b4c5a1 100644
--- a/src/test4.c
+++ b/src/test4.c
@@ -9,7 +9,7 @@
 **    May you share freely, never taking more than you give.
 **
 *************************************************************************
-** Code for testing the the SQLite library in a multithreaded environment.
+** Code for testing the SQLite library in a multithreaded environment.
 */
 #include "sqliteInt.h"
 #include "tcl.h"
diff --git a/src/test8.c b/src/test8.c
index 372eef6..53cb149 100644
--- a/src/test8.c
+++ b/src/test8.c
@@ -1370,6 +1370,29 @@ static int declare_vtab(
   return TCL_OK;
 }
 
+#include "test_spellfix.c"
+
+/*
+** Register the spellfix virtual table module.
+*/
+static int register_spellfix_module(
+  ClientData clientData,
+  Tcl_Interp *interp,
+  int objc,
+  Tcl_Obj *CONST objv[]
+){
+  sqlite3 *db;
+
+  if( objc!=2 ){
+    Tcl_WrongNumArgs(interp, 1, objv, "DB");
+    return TCL_ERROR;
+  }
+  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ) return TCL_ERROR;
+
+  sqlite3Spellfix1Register(db);
+  return TCL_OK;
+}
+
 #endif /* ifndef SQLITE_OMIT_VIRTUALTABLE */
 
 /*
@@ -1382,8 +1405,9 @@ int Sqlitetest8_Init(Tcl_Interp *interp){
      Tcl_ObjCmdProc *xProc;
      void *clientData;
   } aObjCmd[] = {
-     { "register_echo_module",   register_echo_module, 0 },
-     { "sqlite3_declare_vtab",   declare_vtab, 0 },
+     { "register_echo_module",       register_echo_module, 0 },
+     { "register_spellfix_module",   register_spellfix_module, 0 },
+     { "sqlite3_declare_vtab",       declare_vtab, 0 },
   };
   int i;
   for(i=0; i<sizeof(aObjCmd)/sizeof(aObjCmd[0]); i++){
diff --git a/src/test_config.c b/src/test_config.c
index c04eb99..f79b455 100644
--- a/src/test_config.c
+++ b/src/test_config.c
@@ -319,6 +319,12 @@ static void set_options(Tcl_Interp *interp){
   Tcl_SetVar2(interp, "sqlite_options", "fts3_unicode", "0", TCL_GLOBAL_ONLY);
 #endif
 
+#ifdef SQLITE_DISABLE_FTS4_DEFERRED
+  Tcl_SetVar2(interp, "sqlite_options", "fts4_deferred", "0", TCL_GLOBAL_ONLY);
+#else
+  Tcl_SetVar2(interp, "sqlite_options", "fts4_deferred", "1", TCL_GLOBAL_ONLY);
+#endif
+
 #ifdef SQLITE_OMIT_GET_TABLE
   Tcl_SetVar2(interp, "sqlite_options", "gettable", "0", TCL_GLOBAL_ONLY);
 #else
@@ -616,6 +622,21 @@ Tcl_SetVar2(interp, "sqlite_options", "long_double",
     Tcl_LinkVar(interp, "TEMP_STORE", (char *)&(cv_TEMP_STORE),
                 TCL_LINK_INT | TCL_LINK_READ_ONLY);
   }
+
+#ifdef _MSC_VER
+  {
+    static const int cv__MSC_VER = 1;
+    Tcl_LinkVar(interp, "_MSC_VER", (char *)&(cv__MSC_VER),
+                TCL_LINK_INT | TCL_LINK_READ_ONLY);
+  }
+#endif
+#ifdef __GNUC__
+  {
+    static const int cv___GNUC__ = 1;
+    Tcl_LinkVar(interp, "__GNUC__", (char *)&(cv___GNUC__),
+                TCL_LINK_INT | TCL_LINK_READ_ONLY);
+  }
+#endif
 }
 
 
diff --git a/src/test_func.c b/src/test_func.c
index c4fe351..6f9bb03 100644
--- a/src/test_func.c
+++ b/src/test_func.c
@@ -422,6 +422,43 @@ static void testHexToUtf16le(
 }
 #endif
 
+/*
+** SQL function:   real2hex(X)
+**
+** If argument X is a real number, then convert it into a string which is
+** the big-endian hexadecimal representation of the ieee754 encoding of
+** that number.  If X is not a real number, return NULL.
+*/
+static void real2hex(
+  sqlite3_context *context,
+  int argc,
+  sqlite3_value **argv
+){
+  union {
+    sqlite3_uint64 i;
+    double r;
+    unsigned char x[8];
+  } v;
+  char zOut[20];
+  int i;
+  int bigEndian;
+  v.i = 1;
+  bigEndian = v.x[0]==0;
+  v.r = sqlite3_value_double(argv[0]);
+  for(i=0; i<8; i++){
+    if( bigEndian ){
+      zOut[i*2]   = "0123456789abcdef"[v.x[i]>>4];
+      zOut[i*2+1] = "0123456789abcdef"[v.x[i]&0xf];
+    }else{
+      zOut[14-i*2]   = "0123456789abcdef"[v.x[i]>>4];
+      zOut[14-i*2+1] = "0123456789abcdef"[v.x[i]&0xf];
+    }
+  }
+  zOut[16] = 0;
+  sqlite3_result_text(context, zOut, -1, SQLITE_TRANSIENT);
+}
+
+
 static int registerTestFunctions(sqlite3 *db){
   static const struct {
      char *zName;
@@ -444,6 +481,7 @@ static int registerTestFunctions(sqlite3 *db){
     { "test_eval",             1, SQLITE_UTF8, test_eval},
     { "test_isolation",        2, SQLITE_UTF8, test_isolation},
     { "test_counter",          1, SQLITE_UTF8, counterFunc},
+    { "real2hex",              1, SQLITE_UTF8, real2hex},
   };
   int i;
 
diff --git a/src/test_multiplex.c b/src/test_multiplex.c
index a3b3e2f..23df347 100644
--- a/src/test_multiplex.c
+++ b/src/test_multiplex.c
@@ -502,11 +502,11 @@ static int multiplexOpen(
 ){
   int rc = SQLITE_OK;                  /* Result code */
   multiplexConn *pMultiplexOpen;       /* The new multiplex file descriptor */
-  multiplexGroup *pGroup;              /* Corresponding multiplexGroup object */
+  multiplexGroup *pGroup = 0;          /* Corresponding multiplexGroup object */
   sqlite3_file *pSubOpen = 0;                    /* Real file descriptor */
   sqlite3_vfs *pOrigVfs = gMultiplex.pOrigVfs;   /* Real VFS */
-  int nName;
-  int sz;
+  int nName = 0;
+  int sz = 0;
   char *zToFree = 0;
 
   UNUSED_PARAMETER(pVfs);
diff --git a/src/test_quota.c b/src/test_quota.c
index 6fd7329..2ce46ac 100644
--- a/src/test_quota.c
+++ b/src/test_quota.c
@@ -48,7 +48,7 @@
 /*
 ** Figure out if we are dealing with Unix, Windows, or some other
 ** operating system.  After the following block of preprocess macros,
-** all of SQLITE_OS_UNIX, SQLITE_OS_WIN, SQLITE_OS_OS2, and SQLITE_OS_OTHER 
+** all of SQLITE_OS_UNIX, SQLITE_OS_WIN, and SQLITE_OS_OTHER 
 ** will defined to either 1 or 0.  One of the four will be 1.  The other 
 ** three will be 0.
 */
@@ -58,8 +58,6 @@
 #   define SQLITE_OS_UNIX 0
 #   undef SQLITE_OS_WIN
 #   define SQLITE_OS_WIN 0
-#   undef SQLITE_OS_OS2
-#   define SQLITE_OS_OS2 0
 # else
 #   undef SQLITE_OS_OTHER
 # endif
@@ -71,20 +69,12 @@
                        || defined(__MINGW32__) || defined(__BORLANDC__)
 #     define SQLITE_OS_WIN 1
 #     define SQLITE_OS_UNIX 0
-#     define SQLITE_OS_OS2 0
-#   elif defined(__EMX__) || defined(_OS2) || defined(OS2) \
-                          || defined(_OS2_) || defined(__OS2__)
-#     define SQLITE_OS_WIN 0
-#     define SQLITE_OS_UNIX 0
-#     define SQLITE_OS_OS2 1
 #   else
 #     define SQLITE_OS_WIN 0
 #     define SQLITE_OS_UNIX 1
-#     define SQLITE_OS_OS2 0
 #  endif
 # else
 #  define SQLITE_OS_UNIX 0
-#  define SQLITE_OS_OS2 0
 # endif
 #else
 # ifndef SQLITE_OS_WIN
diff --git a/src/test_spellfix.c b/src/test_spellfix.c
index 5a221e0..3f21d73 100644
--- a/src/test_spellfix.c
+++ b/src/test_spellfix.c
@@ -10,271 +10,9 @@
 **
 *************************************************************************
 **
-** This module implements a VIRTUAL TABLE that can be used to search
-** a large vocabulary for close matches.  For example, this virtual
-** table can be used to suggest corrections to misspelled words.  Or,
-** it could be used with FTS4 to do full-text search using potentially
-** misspelled words.
-**
-** Create an instance of the virtual table this way:
-**
-**    CREATE VIRTUAL TABLE demo USING spellfix1;
-**
-** The "spellfix1" term is the name of this module.  The "demo" is the
-** name of the virtual table you will be creating.  The table is initially
-** empty.  You have to populate it with your vocabulary.  Suppose you
-** have a list of words in a table named "big_vocabulary".  Then do this:
-**
-**    INSERT INTO demo(word) SELECT word FROM big_vocabulary;
-**
-** If you intend to use this virtual table in cooperation with an FTS4
-** table (for spelling correctly of search terms) then you can extract
-** the vocabulary using an fts3aux table:
-**
-**    INSERT INTO demo(word) SELECT term FROM search_aux WHERE col='*';
-**
-** You can also provide the virtual table with a "rank" for each word.
-** The "rank" is an estimate of how common the word is.  Larger numbers
-** mean the word is more common.  If you omit the rank when populating
-** the table, then a rank of 1 is assumed.  But if you have rank 
-** information, you can supply it and the virtual table will show a
-** slight preference for selecting more commonly used terms.  To
-** populate the rank from an fts4aux table "search_aux" do something
-** like this:
-**
-**    INSERT INTO demo(word,rank)
-**        SELECT term, documents FROM search_aux WHERE col='*';
-**
-** To query the virtual table, include a MATCH operator in the WHERE
-** clause.  For example:
-**
-**    SELECT word FROM demo WHERE word MATCH 'kennasaw';
-**
-** Using a dataset of American place names (derived from
-** http://geonames.usgs.gov/domestic/download_data.htm) the query above
-** returns 20 results beginning with:
-**
-**    kennesaw
-**    kenosha
-**    kenesaw
-**    kenaga
-**    keanak
-**
-** If you append the character '*' to the end of the pattern, then
-** a prefix search is performed.  For example:
-**
-**    SELECT word FROM demo WHERE word MATCH 'kennes*';
-**
-** Yields 20 results beginning with:
-**
-**    kennesaw
-**    kennestone
-**    kenneson
-**    kenneys
-**    keanes
-**    keenes
-**
-** The virtual table actually has a unique rowid with five columns plus three
-** extra hidden columns.  The columns are as follows:
-**
-**    rowid         A unique integer number associated with each
-**                  vocabulary item in the table.  This can be used
-**                  as a foreign key on other tables in the database.
-**
-**    word          The text of the word that matches the pattern.
-**                  Both word and pattern can contains unicode characters
-**                  and can be mixed case.
-**
-**    rank          This is the rank of the word, as specified in the
-**                  original INSERT statement.
-**
-**    distance      This is an edit distance or Levensthein distance going
-**                  from the pattern to the word.
-**
-**    langid        This is the language-id of the word.  All queries are
-**                  against a single language-id, which defaults to 0.
-**                  For any given query this value is the same on all rows.
-**
-**    score         The score is a combination of rank and distance.  The
-**                  idea is that a lower score is better.  The virtual table
-**                  attempts to find words with the lowest score and 
-**                  by default (unless overridden by ORDER BY) returns
-**                  results in order of increasing score.
-**
-**    top           (HIDDEN)  For any query, this value is the same on all
-**                  rows.  It is an integer which is the maximum number of
-**                  rows that will be output.  The actually number of rows
-**                  output might be less than this number, but it will never
-**                  be greater.  The default value for top is 20, but that
-**                  can be changed for each query by including a term of
-**                  the form "top=N" in the WHERE clause of the query.
-**
-**    scope         (HIDDEN)  For any query, this value is the same on all
-**                  rows.  The scope is a measure of how widely the virtual
-**                  table looks for matching words.  Smaller values of
-**                  scope cause a broader search.  The scope is normally
-**                  choosen automatically and is capped at 4.  Applications
-**                  can change the scope by including a term of the form
-**                  "scope=N" in the WHERE clause of the query.  Increasing
-**                  the scope will make the query run faster, but will reduce
-**                  the possible corrections.
-**
-**    srchcnt       (HIDDEN)  For any query, this value is the same on all
-**                  rows.  This value is an integer which is the number of
-**                  of words examined using the edit-distance algorithm to
-**                  find the top matches that are ultimately displayed.  This
-**                  value is for diagnostic use only.
-**
-**    soundslike    (HIDDEN)  When inserting vocabulary entries, this field
-**                  can be set to an spelling that matches what the word
-**                  sounds like.  See the DEALING WITH UNUSUAL AND DIFFICULT
-**                  SPELLINGS section below for details.
-**
-** When inserting into or updating the virtual table, only the rowid, word,
-** rank, and langid may be changes.  Any attempt to set or modify the values
-** of distance, score, top, scope, or srchcnt is silently ignored.
-**
-** ALGORITHM
-**
-** A shadow table named "%_vocab" (where the % is replaced by the name of
-** the virtual table; Ex: "demo_vocab" for the "demo" virtual table) is
-** constructed with these columns:
-**
-**    id            The unique id (INTEGER PRIMARY KEY)
-**
-**    rank          The rank of word.
-**
-**    langid        The language id for this entry.
-**
-**    word          The original UTF8 text of the vocabulary word
-**
-**    k1            The word transliterated into lower-case ASCII.  
-**                  There is a standard table of mappings from non-ASCII
-**                  characters into ASCII.  Examples: "æ" -> "ae",
-**                  "þ" -> "th", "ß" -> "ss", "á" -> "a", ...  The
-**                  accessory function spellfix1_translit(X) will do
-**                  the non-ASCII to ASCII mapping.  The built-in lower(X)
-**                  function will convert to lower-case.  Thus:
-**                  k1 = lower(spellfix1_translit(word)).
-**
-**    k2            This field holds a phonetic code derived from k1.  Letters
-**                  that have similar sounds are mapped into the same symbol.
-**                  For example, all vowels and vowel clusters become the
-**                  single symbol "A".  And the letters "p", "b", "f", and
-**                  "v" all become "B".  All nasal sounds are represented
-**                  as "N".  And so forth.  The mapping is base on
-**                  ideas found in Soundex, Metaphone, and other
-**                  long-standing phonetic matching systems.  This key can
-**                  be generated by the function spellfix1_charclass(X).  
-**                  Hence: k2 = spellfix1_charclass(k1)
-**
-** There is also a function for computing the Wagner edit distance or the
-** Levenshtein distance between a pattern and a word.  This function
-** is exposed as spellfix1_editdist(X,Y).  The edit distance function
-** returns the "cost" of converting X into Y.  Some transformations
-** cost more than others.  Changing one vowel into a different vowel,
-** for example is relatively cheap, as is doubling a constant, or
-** omitting the second character of a double-constant.  Other transformations
-** or more expensive.  The idea is that the edit distance function returns
-** a low cost of words that are similar and a higher cost for words
-** that are futher apart.  In this implementation, the maximum cost
-** of any single-character edit (delete, insert, or substitute) is 100,
-** with lower costs for some edits (such as transforming vowels).
-**
-** The "score" for a comparison is the edit distance between the pattern
-** and the word, adjusted down by the base-2 logorithm of the word rank.
-** For example, a match with distance 100 but rank 1000 would have a
-** score of 122 (= 100 - log2(1000) + 32) where as a match with distance
-** 100 with a rank of 1 would have a score of 131 (100 - log2(1) + 32).
-** (NB:  The constant 32 is added to each score to keep it from going
-** negative in case the edit distance is zero.)  In this way, frequently
-** used words get a slightly lower cost which tends to move them toward
-** the top of the list of alternative spellings.
-**
-** A straightforward implementation of a spelling corrector would be
-** to compare the search term against every word in the vocabulary
-** and select the 20 with the lowest scores.  However, there will 
-** typically be hundreds of thousands or millions of words in the
-** vocabulary, and so this approach is not fast enough.
-**
-** Suppose the term that is being spell-corrected is X.  To limit
-** the search space, X is converted to a k2-like key using the
-** equivalent of:
-**
-**    key = spellfix1_charclass(lower(spellfix1_translit(X)))
-**
-** This key is then limited to "scope" characters.  The default scope
-** value is 4, but an alternative scope can be specified using the
-** "scope=N" term in the WHERE clause.  After the key has been truncated,
-** the edit distance is run against every term in the vocabulary that
-** has a k2 value that begins with the abbreviated key.
-**
-** For example, suppose the input word is "Paskagula".  The phonetic 
-** key is "BACACALA" which is then truncated to 4 characters "BACA".
-** The edit distance is then run on the 4980 entries (out of
-** 272,597 entries total) of the vocabulary whose k2 values begin with
-** BACA, yielding "Pascagoula" as the best match.
-** 
-** Only terms of the vocabulary with a matching langid are searched.
-** Hence, the same table can contain entries from multiple languages
-** and only the requested language will be used.  The default langid
-** is 0.
-**
-** DEALING WITH UNUSUAL AND DIFFICULT SPELLINGS
-**
-** The algorithm above works quite well for most cases, but there are
-** exceptions.  These exceptions can be dealt with by making additional
-** entries in the virtual table using the "soundslike" column.
-**
-** For example, many words of Greek origin begin with letters "ps" where
-** the "p" is silent.  Ex:  psalm, pseudonym, psoriasis, psyche.  In
-** another example, many Scottish surnames can be spelled with an
-** initial "Mac" or "Mc".  Thus, "MacKay" and "McKay" are both pronounced
-** the same.
-**
-** Accommodation can be made for words that are not spelled as they
-** sound by making additional entries into the virtual table for the
-** same word, but adding an alternative spelling in the "soundslike"
-** column.  For example, the canonical entry for "psalm" would be this:
-**
-**   INSERT INTO demo(word) VALUES('psalm');
-**
-** To enhance the ability to correct the spelling of "salm" into
-** "psalm", make an addition entry like this:
-**
-**   INSERT INTO demo(word,soundslike) VALUES('psalm','salm');
-**
-** It is ok to make multiple entries for the same word as long as
-** each entry has a different soundslike value.  Note that if no
-** soundslike value is specified, the soundslike defaults to the word
-** itself.
-**
-** Listed below are some cases where it might make sense to add additional
-** soundslike entries.  The specific entries will depend on the application
-** and the target language.
-**
-**   *   Silent "p" in words beginning with "ps":  psalm, psyche
-**
-**   *   Silent "p" in words beginning with "pn":  pneumonia, pneumatic
-**
-**   *   Silent "p" in words beginning with "pt":  pterodactyl, ptolemaic
-**
-**   *   Silent "d" in words beginning with "dj":  djinn, Djikarta
-**
-**   *   Silent "k" in words beginning with "kn":  knight, Knuthson
-**
-**   *   Silent "g" in words beginning with "gn":  gnarly, gnome, gnat
-**
-**   *   "Mac" versus "Mc" beginning Scottish surnames
-**
-**   *   "Tch" sounds in Slavic words:  Tchaikovsky vs. Chaykovsky
-**
-**   *   The letter "j" pronounced like "h" in Spanish:  LaJolla
-**
-**   *   Words beginning with "wr" versus "r":  write vs. rite
-**
-**   *   Miscellanous problem words such as "debt", "tsetse",
-**       "Nguyen", "Van Nuyes".
+** This module implements the spellfix1 VIRTUAL TABLE that can be used
+** to search a large vocabulary for close matches.  See separate
+** documentation files (spellfix1.wiki and editdist3.wiki) for details.
 */
 #if SQLITE_CORE
 # include "sqliteInt.h"
@@ -285,21 +23,22 @@
 # include "sqlite3ext.h"
   SQLITE_EXTENSION_INIT1
 #endif /* !SQLITE_CORE */
+#include <ctype.h>
 
 /*
 ** Character classes for ASCII characters:
 **
 **   0   ''        Silent letters:   H W
 **   1   'A'       Any vowel:   A E I O U (Y)
-**   2   'B'       A bilabeal stop or fricative:  B F P V
+**   2   'B'       A bilabeal stop or fricative:  B F P V W
 **   3   'C'       Other fricatives or back stops:  C G J K Q S X Z
 **   4   'D'       Alveolar stops:  D T
 **   5   'H'       Letter H at the beginning of a word
-**   6   'L'       Glides:  L R
-**   7   'M'       Nasals:  M N
-**   8   'W'       Letter W at the beginning of a word
+**   6   'L'       Glide:  L
+**   7   'R'       Semivowel:  R
+**   8   'M'       Nasals:  M N
 **   9   'Y'       Letter Y at the beginning of a word.
-**   10  '9'       A digit: 0 1 2 3 4 5 6 7 8 9
+**   10  '9'       Digits: 0 1 2 3 4 5 6 7 8 9
 **   11  ' '       White space
 **   12  '?'       Other.
 */
@@ -310,8 +49,8 @@
 #define CCLASS_D              4
 #define CCLASS_H              5
 #define CCLASS_L              6
-#define CCLASS_M              7
-#define CCLASS_W              8
+#define CCLASS_R              7
+#define CCLASS_M              8
 #define CCLASS_Y              9
 #define CCLASS_DIGIT         10
 #define CCLASS_SPACE         11
@@ -322,78 +61,177 @@
 ** characters.
 */
 static const unsigned char midClass[] = {
-          /* x0  x1  x2  x3  x4  x5  x6  x7    x8  x9  xa  xb  xc  xd  xe  xf */
-  /* 0x */   12, 12, 12, 12, 12, 12, 12, 12,   12, 11, 11, 12, 11, 12, 12, 12,
-  /* 1x */   12, 12, 12, 12, 12, 12, 12, 12,   12, 12, 12, 12, 12, 12, 12, 12,
-  /* 2x */   11, 12, 12, 12, 12, 12, 12, 12,   12, 12, 12, 12, 12, 12, 12, 12,
-  /* 3x */   10, 10, 10, 10, 10, 10, 10, 10,   10, 10, 12, 12, 12, 12, 12, 12,
-  /* 4x */   12,  1,  2,  3,  4,  1,  2,  3,    0,  1,  3,  3,  6,  7,  7,  1,
-  /* 5x */    2,  3,  6,  3,  4,  1,  2,  0,    3,  1,  3, 12, 12, 12, 12, 12,
-  /* 6x */   12,  1,  2,  3,  4,  1,  2,  3,    0,  1,  3,  3,  6,  7,  7,  1,
-  /* 7x */    2,  3,  6,  3,  4,  1,  2,  0,    3,  1,  3, 12, 12, 12, 12, 12,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_SPACE,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_SPACE,    /*   */ CCLASS_SPACE,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_SPACE,
+ /* ! */ CCLASS_OTHER,    /* " */ CCLASS_OTHER,   /* # */ CCLASS_OTHER,
+ /* $ */ CCLASS_OTHER,    /* % */ CCLASS_OTHER,   /* & */ CCLASS_OTHER,
+ /* ' */ CCLASS_SILENT,   /* ( */ CCLASS_OTHER,   /* ) */ CCLASS_OTHER,
+ /* * */ CCLASS_OTHER,    /* + */ CCLASS_OTHER,   /* , */ CCLASS_OTHER,
+ /* - */ CCLASS_OTHER,    /* . */ CCLASS_OTHER,   /* / */ CCLASS_OTHER,
+ /* 0 */ CCLASS_DIGIT,    /* 1 */ CCLASS_DIGIT,   /* 2 */ CCLASS_DIGIT,
+ /* 3 */ CCLASS_DIGIT,    /* 4 */ CCLASS_DIGIT,   /* 5 */ CCLASS_DIGIT,
+ /* 6 */ CCLASS_DIGIT,    /* 7 */ CCLASS_DIGIT,   /* 8 */ CCLASS_DIGIT,
+ /* 9 */ CCLASS_DIGIT,    /* : */ CCLASS_OTHER,   /* ; */ CCLASS_OTHER,
+ /* < */ CCLASS_OTHER,    /* = */ CCLASS_OTHER,   /* > */ CCLASS_OTHER,
+ /* ? */ CCLASS_OTHER,    /* @ */ CCLASS_OTHER,   /* A */ CCLASS_VOWEL,
+ /* B */ CCLASS_B,        /* C */ CCLASS_C,       /* D */ CCLASS_D,
+ /* E */ CCLASS_VOWEL,    /* F */ CCLASS_B,       /* G */ CCLASS_C,
+ /* H */ CCLASS_SILENT,   /* I */ CCLASS_VOWEL,   /* J */ CCLASS_C,
+ /* K */ CCLASS_C,        /* L */ CCLASS_L,       /* M */ CCLASS_M,
+ /* N */ CCLASS_M,        /* O */ CCLASS_VOWEL,   /* P */ CCLASS_B,
+ /* Q */ CCLASS_C,        /* R */ CCLASS_R,       /* S */ CCLASS_C,
+ /* T */ CCLASS_D,        /* U */ CCLASS_VOWEL,   /* V */ CCLASS_B,
+ /* W */ CCLASS_B,        /* X */ CCLASS_C,       /* Y */ CCLASS_VOWEL,
+ /* Z */ CCLASS_C,        /* [ */ CCLASS_OTHER,   /* \ */ CCLASS_OTHER,
+ /* ] */ CCLASS_OTHER,    /* ^ */ CCLASS_OTHER,   /* _ */ CCLASS_OTHER,
+ /* ` */ CCLASS_OTHER,    /* a */ CCLASS_VOWEL,   /* b */ CCLASS_B,
+ /* c */ CCLASS_C,        /* d */ CCLASS_D,       /* e */ CCLASS_VOWEL,
+ /* f */ CCLASS_B,        /* g */ CCLASS_C,       /* h */ CCLASS_SILENT,
+ /* i */ CCLASS_VOWEL,    /* j */ CCLASS_C,       /* k */ CCLASS_C,
+ /* l */ CCLASS_L,        /* m */ CCLASS_M,       /* n */ CCLASS_M,
+ /* o */ CCLASS_VOWEL,    /* p */ CCLASS_B,       /* q */ CCLASS_C,
+ /* r */ CCLASS_R,        /* s */ CCLASS_C,       /* t */ CCLASS_D,
+ /* u */ CCLASS_VOWEL,    /* v */ CCLASS_B,       /* w */ CCLASS_B,
+ /* x */ CCLASS_C,        /* y */ CCLASS_VOWEL,   /* z */ CCLASS_C,
+ /* { */ CCLASS_OTHER,    /* | */ CCLASS_OTHER,   /* } */ CCLASS_OTHER,
+ /* ~ */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   
 };
-
 /* 
 ** This tables gives the character class for ASCII characters that form the
 ** initial character of a word.  The only difference from midClass is with
 ** the letters H, W, and Y.
 */
 static const unsigned char initClass[] = {
-          /* x0  x1  x2  x3  x4  x5  x6  x7    x8  x9  xa  xb  xc  xd  xe  xf */
-  /* 0x */   12, 12, 12, 12, 12, 12, 12, 12,   12, 11, 11, 12, 11, 12, 12, 12,
-  /* 1x */   12, 12, 12, 12, 12, 12, 12, 12,   12, 12, 12, 12, 12, 12, 12, 12,
-  /* 2x */   11, 12, 12, 12, 12, 12, 12, 12,   12, 12, 12, 12, 12, 12, 12, 12,
-  /* 3x */   10, 10, 10, 10, 10, 10, 10, 10,   10, 10, 12, 12, 12, 12, 12, 12,
-  /* 4x */   12,  1,  2,  3,  4,  1,  2,  3,    5,  1,  3,  3,  6,  7,  7,  1,
-  /* 5x */    2,  3,  6,  3,  4,  1,  2,  8,    3,  9,  3, 12, 12, 12, 12, 12,
-  /* 6x */   12,  1,  2,  3,  4,  1,  2,  3,    5,  1,  3,  3,  6,  7,  7,  1,
-  /* 7x */    2,  3,  6,  3,  4,  1,  2,  8,    3,  9,  3, 12, 12, 12, 12, 12,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_SPACE,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_SPACE,    /*   */ CCLASS_SPACE,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_OTHER,
+ /*   */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   /*   */ CCLASS_SPACE,
+ /* ! */ CCLASS_OTHER,    /* " */ CCLASS_OTHER,   /* # */ CCLASS_OTHER,
+ /* $ */ CCLASS_OTHER,    /* % */ CCLASS_OTHER,   /* & */ CCLASS_OTHER,
+ /* ' */ CCLASS_OTHER,    /* ( */ CCLASS_OTHER,   /* ) */ CCLASS_OTHER,
+ /* * */ CCLASS_OTHER,    /* + */ CCLASS_OTHER,   /* , */ CCLASS_OTHER,
+ /* - */ CCLASS_OTHER,    /* . */ CCLASS_OTHER,   /* / */ CCLASS_OTHER,
+ /* 0 */ CCLASS_DIGIT,    /* 1 */ CCLASS_DIGIT,   /* 2 */ CCLASS_DIGIT,
+ /* 3 */ CCLASS_DIGIT,    /* 4 */ CCLASS_DIGIT,   /* 5 */ CCLASS_DIGIT,
+ /* 6 */ CCLASS_DIGIT,    /* 7 */ CCLASS_DIGIT,   /* 8 */ CCLASS_DIGIT,
+ /* 9 */ CCLASS_DIGIT,    /* : */ CCLASS_OTHER,   /* ; */ CCLASS_OTHER,
+ /* < */ CCLASS_OTHER,    /* = */ CCLASS_OTHER,   /* > */ CCLASS_OTHER,
+ /* ? */ CCLASS_OTHER,    /* @ */ CCLASS_OTHER,   /* A */ CCLASS_VOWEL,
+ /* B */ CCLASS_B,        /* C */ CCLASS_C,       /* D */ CCLASS_D,
+ /* E */ CCLASS_VOWEL,    /* F */ CCLASS_B,       /* G */ CCLASS_C,
+ /* H */ CCLASS_SILENT,   /* I */ CCLASS_VOWEL,   /* J */ CCLASS_C,
+ /* K */ CCLASS_C,        /* L */ CCLASS_L,       /* M */ CCLASS_M,
+ /* N */ CCLASS_M,        /* O */ CCLASS_VOWEL,   /* P */ CCLASS_B,
+ /* Q */ CCLASS_C,        /* R */ CCLASS_R,       /* S */ CCLASS_C,
+ /* T */ CCLASS_D,        /* U */ CCLASS_VOWEL,   /* V */ CCLASS_B,
+ /* W */ CCLASS_B,        /* X */ CCLASS_C,       /* Y */ CCLASS_Y,
+ /* Z */ CCLASS_C,        /* [ */ CCLASS_OTHER,   /* \ */ CCLASS_OTHER,
+ /* ] */ CCLASS_OTHER,    /* ^ */ CCLASS_OTHER,   /* _ */ CCLASS_OTHER,
+ /* ` */ CCLASS_OTHER,    /* a */ CCLASS_VOWEL,   /* b */ CCLASS_B,
+ /* c */ CCLASS_C,        /* d */ CCLASS_D,       /* e */ CCLASS_VOWEL,
+ /* f */ CCLASS_B,        /* g */ CCLASS_C,       /* h */ CCLASS_SILENT,
+ /* i */ CCLASS_VOWEL,    /* j */ CCLASS_C,       /* k */ CCLASS_C,
+ /* l */ CCLASS_L,        /* m */ CCLASS_M,       /* n */ CCLASS_M,
+ /* o */ CCLASS_VOWEL,    /* p */ CCLASS_B,       /* q */ CCLASS_C,
+ /* r */ CCLASS_R,        /* s */ CCLASS_C,       /* t */ CCLASS_D,
+ /* u */ CCLASS_VOWEL,    /* v */ CCLASS_B,       /* w */ CCLASS_B,
+ /* x */ CCLASS_C,        /* y */ CCLASS_Y,       /* z */ CCLASS_C,
+ /* { */ CCLASS_OTHER,    /* | */ CCLASS_OTHER,   /* } */ CCLASS_OTHER,
+ /* ~ */ CCLASS_OTHER,    /*   */ CCLASS_OTHER,   
 };
 
 /*
-** Mapping from the character class number (0-12) to a symbol for each
+** Mapping from the character class number (0-13) to a symbol for each
 ** character class.  Note that initClass[] can be used to map the class
 ** symbol back into the class number.
 */
-static const unsigned char className[] = ".ABCDHLMWY9 ?";
+static const unsigned char className[] = ".ABCDHLRMY9 ?";
 
 /*
-** Generate a string of character classes corresponding to the
-** ASCII characters in the input string zIn.  If the input is not
-** ASCII then the behavior is undefined.
+** Generate a "phonetic hash" from a string of ASCII characters
+** in zIn[0..nIn-1].
+**
+**   * Map characters by character class as defined above.
+**   * Omit double-letters
+**   * Omit vowels beside R and L
+**   * Omit T when followed by CH
+**   * Omit W when followed by R
+**   * Omit D when followed by J or G
+**   * Omit K in KN or G in GN at the beginning of a word
 **
 ** Space to hold the result is obtained from sqlite3_malloc()
 **
 ** Return NULL if memory allocation fails.  
 */
-static unsigned char *characterClassString(const unsigned char *zIn, int nIn){
+static unsigned char *phoneticHash(const unsigned char *zIn, int nIn){
   unsigned char *zOut = sqlite3_malloc( nIn + 1 );
   int i;
   int nOut = 0;
   char cPrev = 0x77;
+  char cPrevX = 0x77;
   const unsigned char *aClass = initClass;
 
   if( zOut==0 ) return 0;
+  if( nIn>2 ){
+    switch( zIn[0] ){
+      case 'g': 
+      case 'k': {
+        if( zIn[1]=='n' ){ zIn++; nIn--; }
+        break;
+      }
+    }
+  }
   for(i=0; i<nIn; i++){
     unsigned char c = zIn[i];
+    if( i+1<nIn ){
+      if( c=='w' && zIn[i+1]=='r' ) continue;
+      if( c=='d' && (zIn[i+1]=='j' || zIn[i+1]=='g') ) continue;
+      if( i+2<nIn ){
+        if( c=='t' && zIn[i+1]=='c' && zIn[i+2]=='h' ) continue;
+      }
+    }
     c = aClass[c&0x7f];
+    if( c==CCLASS_SPACE ) continue;
     if( c==CCLASS_OTHER && cPrev!=CCLASS_DIGIT ) continue;
+    aClass = midClass;
+    if( c==CCLASS_VOWEL && (cPrevX==CCLASS_R || cPrevX==CCLASS_L) ){
+       continue; /* No vowels beside L or R */ 
+    }
+    if( (c==CCLASS_R || c==CCLASS_L) && cPrevX==CCLASS_VOWEL ){
+       nOut--;   /* No vowels beside L or R */
+    }
     cPrev = c;
     if( c==CCLASS_SILENT ) continue;
-    if( c==CCLASS_SPACE ) continue;
-    aClass = midClass;
+    cPrevX = c;
     c = className[c];
-    if( c!=zOut[nOut-1] ) zOut[nOut++] = c;
+    assert( nOut>=0 );
+    if( nOut==0 || c!=zOut[nOut-1] ) zOut[nOut++] = c;
   }
   zOut[nOut] = 0;
   return zOut;
 }
 
 /*
-** This is an SQL function wrapper around characterClassString().  See
-** the description of characterClassString() for additional information.
+** This is an SQL function wrapper around phoneticHash().  See
+** the description of phoneticHash() for additional information.
 */
-static void characterClassSqlFunc(
+static void phoneticHashSqlFunc(
   sqlite3_context *context,
   int argc,
   sqlite3_value **argv
@@ -403,7 +241,7 @@ static void characterClassSqlFunc(
 
   zIn = sqlite3_value_text(argv[0]);
   if( zIn==0 ) return;
-  zOut = characterClassString(zIn, sqlite3_value_bytes(argv[0]));
+  zOut = phoneticHash(zIn, sqlite3_value_bytes(argv[0]));
   if( zOut==0 ){
     sqlite3_result_error_nomem(context);
   }else{
@@ -424,7 +262,7 @@ static char characterClass(char cPrev, char c){
 ** following character cPrev.  If cPrev==0, that means c is the first
 ** character of the word.
 */
-static int insertOrDeleteCost(char cPrev, char c){
+static int insertOrDeleteCost(char cPrev, char c, char cNext){
   char classC = characterClass(cPrev, c);
   char classCprev;
 
@@ -436,6 +274,9 @@ static int insertOrDeleteCost(char cPrev, char c){
     /* Repeated characters, or miss a repeat */
     return 10;
   }
+  if( classC==CCLASS_VOWEL && (cPrev=='r' || cNext=='r') ){
+    return 20;  /* Insert a vowel before or after 'r' */
+  }
   classCprev = characterClass(cPrev, cPrev);
   if( classC==classCprev ){
     if( classC==CCLASS_VOWEL ){
@@ -476,7 +317,7 @@ static int substituteCost(char cPrev, char cFrom, char cTo){
   classTo = characterClass(cPrev, cTo);
   if( classFrom==classTo ){
     /* Same character class */
-    return classFrom=='A' ? 25 : 40;
+    return 40;
   }
   if( classFrom>=CCLASS_B && classFrom<=CCLASS_Y
       && classTo>=CCLASS_B && classTo<=CCLASS_Y ){
@@ -499,12 +340,19 @@ static int substituteCost(char cPrev, char cFrom, char cTo){
 **    -1  One of the inputs is NULL
 **    -2  Non-ASCII characters on input
 **    -3  Unable to allocate memory 
+**
+** If pnMatch is not NULL, then *pnMatch is set to the number of bytes
+** of zB that matched the pattern in zA. If zA does not end with a '*',
+** then this value is always the number of bytes in zB (i.e. strlen(zB)).
+** If zA does end in a '*', then it is the number of bytes in the prefix
+** of zB that was deemed to match zA.
 */
-static int editdist(const char *zA, const char *zB){
+static int editdist1(const char *zA, const char *zB, int *pnMatch){
   int nA, nB;            /* Number of characters in zA[] and zB[] */
   int xA, xB;            /* Loop counters for zA[] and zB[] */
   char cA, cB;           /* Current character of zA and zB */
   char cAprev, cBprev;   /* Previous character of zA and zB */
+  char cAnext, cBnext;   /* Next character in zA and zB */
   int d;                 /* North-west cost value */
   int dc = 0;            /* North-west character value */
   int res;               /* Final result */
@@ -512,12 +360,14 @@ static int editdist(const char *zA, const char *zB){
   char *cx;              /* Corresponding character values */
   int *toFree = 0;       /* Malloced space */
   int mStack[60+15];     /* Stack space to use if not too much is needed */
+  int nMatch = 0;
 
   /* Early out if either input is NULL */
   if( zA==0 || zB==0 ) return -1;
 
   /* Skip any common prefix */
-  while( zA[0] && zA[0]==zB[0] ){ dc = zA[0]; zA++; zB++; }
+  while( zA[0] && zA[0]==zB[0] ){ dc = zA[0]; zA++; zB++; nMatch++; }
+  if( pnMatch ) *pnMatch = nMatch;
   if( zA[0]==0 && zB[0]==0 ) return 0;
 
 #if 0
@@ -526,17 +376,17 @@ static int editdist(const char *zA, const char *zB){
 
   /* Verify input strings and measure their lengths */
   for(nA=0; zA[nA]; nA++){
-    if( zA[nA]>127 ) return -2;
+    if( zA[nA]&0x80 ) return -2;
   }
   for(nB=0; zB[nB]; nB++){
-    if( zB[nB]>127 ) return -2;
+    if( zB[nB]&0x80 ) return -2;
   }
 
   /* Special processing if either string is empty */
   if( nA==0 ){
     cBprev = dc;
     for(xB=res=0; (cB = zB[xB])!=0; xB++){
-      res += insertOrDeleteCost(cBprev, cB)/FINAL_INS_COST_DIV;
+      res += insertOrDeleteCost(cBprev, cB, zB[xB+1])/FINAL_INS_COST_DIV;
       cBprev = cB;
     }
     return res;
@@ -544,7 +394,7 @@ static int editdist(const char *zA, const char *zB){
   if( nB==0 ){
     cAprev = dc;
     for(xA=res=0; (cA = zA[xA])!=0; xA++){
-      res += insertOrDeleteCost(cAprev, cA);
+      res += insertOrDeleteCost(cAprev, cA, zA[xA+1]);
       cAprev = cA;
     }
     return res;
@@ -567,30 +417,33 @@ static int editdist(const char *zA, const char *zB){
   cx[0] = dc;
   cBprev = dc;
   for(xB=1; xB<=nB; xB++){
+    cBnext = zB[xB];
     cB = zB[xB-1];
     cx[xB] = cB;
-    m[xB] = m[xB-1] + insertOrDeleteCost(cBprev, cB);
+    m[xB] = m[xB-1] + insertOrDeleteCost(cBprev, cB, cBnext);
     cBprev = cB;
   }
   cAprev = dc;
   for(xA=1; xA<=nA; xA++){
     int lastA = (xA==nA);
     cA = zA[xA-1];
+    cAnext = zA[xA];
     if( cA=='*' && lastA ) break;
     d = m[0];
     dc = cx[0];
-    m[0] = d + insertOrDeleteCost(cAprev, cA);
+    m[0] = d + insertOrDeleteCost(cAprev, cA, cAnext);
     cBprev = 0;
     for(xB=1; xB<=nB; xB++){
       int totalCost, insCost, delCost, subCost, ncx;
       cB = zB[xB-1];
+      cBnext = zB[xB];
 
       /* Cost to insert cB */
-      insCost = insertOrDeleteCost(cx[xB-1], cB);
+      insCost = insertOrDeleteCost(cx[xB-1], cB, cBnext);
       if( lastA ) insCost /= FINAL_INS_COST_DIV;
 
       /* Cost to delete cA */
-      delCost = insertOrDeleteCost(cx[xB], cA);
+      delCost = insertOrDeleteCost(cx[xB], cA, cBnext);
 
       /* Cost to substitute cA->cB */
       subCost = substituteCost(cx[xB-1], cA, cB);
@@ -624,13 +477,19 @@ static int editdist(const char *zA, const char *zB){
   }
 
   /* Free the wagner matrix and return the result */
-  if( cA=='*' && nB>nA ){
-    res = m[nA];
-    for(xB=nA+1; xB<=nB; xB++){
-      if( m[xB]<res ) res = m[xB];
+  if( cA=='*' ){
+    res = m[1];
+    for(xB=1; xB<=nB; xB++){
+      if( m[xB]<res ){
+        res = m[xB];
+        if( pnMatch ) *pnMatch = xB+nMatch;
+      }
     }
   }else{
     res = m[nB];
+    /* In the current implementation, pnMatch is always NULL if zA does
+    ** not end in "*" */
+    assert( pnMatch==0 );
   }
   sqlite3_free(toFree);
   return res;
@@ -649,8 +508,10 @@ static void editdistSqlFunc(
   int argc,
   sqlite3_value **argv
 ){
-  int res = editdist((const char*)sqlite3_value_text(argv[0]),
-                    (const char*)sqlite3_value_text(argv[1]));
+  int res = editdist1(
+                    (const char*)sqlite3_value_text(argv[0]),
+                    (const char*)sqlite3_value_text(argv[1]),
+                    0);
   if( res<0 ){
     if( res==(-3) ){
       sqlite3_result_error_nomem(context);
@@ -664,7 +525,598 @@ static void editdistSqlFunc(
   }
 }
 
-#if !SQLITE_CORE
+/* End of the fixed-cost edit distance implementation
+******************************************************************************
+*****************************************************************************
+** Begin: Configurable cost unicode edit distance routines
+*/
+/* Forward declaration of structures */
+typedef struct EditDist3Cost EditDist3Cost;
+typedef struct EditDist3Config EditDist3Config;
+typedef struct EditDist3Point EditDist3Point;
+typedef struct EditDist3From EditDist3From;
+typedef struct EditDist3FromString EditDist3FromString;
+typedef struct EditDist3To EditDist3To;
+typedef struct EditDist3ToString EditDist3ToString;
+typedef struct EditDist3Lang EditDist3Lang;
+
+
+/*
+** An entry in the edit cost table
+*/
+struct EditDist3Cost {
+  EditDist3Cost *pNext;     /* Next cost element */
+  u8 nFrom;                 /* Number of bytes in aFrom */
+  u8 nTo;                   /* Number of bytes in aTo */
+  u16 iCost;                /* Cost of this transformation */
+  char a[4]    ;            /* FROM string followed by TO string */
+  /* Additional TO and FROM string bytes appended as necessary */
+};
+
+/*
+** Edit costs for a particular language ID 
+*/
+struct EditDist3Lang {
+  int iLang;             /* Language ID */
+  int iInsCost;          /* Default insertion cost */
+  int iDelCost;          /* Default deletion cost */
+  int iSubCost;          /* Default substitution cost */
+  EditDist3Cost *pCost;  /* Costs */
+};
+
+
+/*
+** The default EditDist3Lang object, with default costs.
+*/
+static const EditDist3Lang editDist3Lang = { 0, 100, 100, 150, 0 };
+
+/*
+** Complete configuration
+*/
+struct EditDist3Config {
+  int nLang;             /* Number of language IDs.  Size of a[] */
+  EditDist3Lang *a;      /* One for each distinct language ID */
+};
+
+/*
+** Extra information about each character in the FROM string.
+*/
+struct EditDist3From {
+  int nSubst;              /* Number of substitution cost entries */
+  int nDel;                /* Number of deletion cost entries */
+  int nByte;               /* Number of bytes in this character */
+  EditDist3Cost **apSubst; /* Array of substitution costs for this element */
+  EditDist3Cost **apDel;   /* Array of deletion cost entries */
+};
+
+/*
+** A precompiled FROM string.
+*
+** In the common case we expect the FROM string to be reused multiple times.
+** In other words, the common case will be to measure the edit distance
+** from a single origin string to multiple target strings.
+*/
+struct EditDist3FromString {
+  char *z;                 /* The complete text of the FROM string */
+  int n;                   /* Number of characters in the FROM string */
+  int isPrefix;            /* True if ends with '*' character */
+  EditDist3From *a;        /* Extra info about each char of the FROM string */
+};
+
+/*
+** Extra information about each character in the TO string.
+*/
+struct EditDist3To {
+  int nIns;                /* Number of insertion cost entries */
+  int nByte;               /* Number of bytes in this character */
+  EditDist3Cost **apIns;   /* Array of deletion cost entries */
+};
+
+/*
+** A precompiled FROM string
+*/
+struct EditDist3ToString {
+  char *z;                 /* The complete text of the TO string */
+  int n;                   /* Number of characters in the TO string */
+  EditDist3To *a;          /* Extra info about each char of the TO string */
+};
+
+/*
+** Clear or delete an instance of the object that records all edit-distance
+** weights.
+*/
+static void editDist3ConfigClear(EditDist3Config *p){
+  int i;
+  if( p==0 ) return;
+  for(i=0; i<p->nLang; i++){
+    EditDist3Cost *pCost, *pNext;
+    pCost = p->a[i].pCost;
+    while( pCost ){
+      pNext = pCost->pNext;
+      sqlite3_free(pCost);
+      pCost = pNext;
+    }
+  }
+  sqlite3_free(p->a);
+  memset(p, 0, sizeof(*p));
+}
+static void editDist3ConfigDelete(void *pIn){
+  EditDist3Config *p = (EditDist3Config*)pIn;
+  editDist3ConfigClear(p);
+  sqlite3_free(p);
+}
+
+/*
+** Load all edit-distance weights from a table.
+*/
+static int editDist3ConfigLoad(
+  EditDist3Config *p,      /* The edit distance configuration to load */
+  sqlite3 *db,            /* Load from this database */
+  const char *zTable      /* Name of the table from which to load */
+){
+  sqlite3_stmt *pStmt;
+  int rc, rc2;
+  char *zSql;
+  int iLangPrev = -9999;
+  EditDist3Lang *pLang = 0;
+
+  zSql = sqlite3_mprintf("SELECT iLang, cFrom, cTo, iCost"
+                         " FROM \"%w\" WHERE iLang>=0 ORDER BY iLang", zTable);
+  if( zSql==0 ) return SQLITE_NOMEM;
+  rc = sqlite3_prepare(db, zSql, -1, &pStmt, 0);
+  sqlite3_free(zSql);
+  if( rc ) return rc;
+  editDist3ConfigClear(p);
+  while( sqlite3_step(pStmt)==SQLITE_ROW ){
+    int iLang = sqlite3_column_int(pStmt, 0);
+    const char *zFrom = (const char*)sqlite3_column_text(pStmt, 1);
+    int nFrom = zFrom ? sqlite3_column_bytes(pStmt, 1) : 0;
+    const char *zTo = (const char*)sqlite3_column_text(pStmt, 2);
+    int nTo = zTo ? sqlite3_column_bytes(pStmt, 2) : 0;
+    int iCost = sqlite3_column_int(pStmt, 3);
+
+    assert( zFrom!=0 || nFrom==0 );
+    assert( zTo!=0 || nTo==0 );
+    if( nFrom>100 || nTo>100 ) continue;
+    if( iCost<0 ) continue;
+    if( pLang==0 || iLang!=iLangPrev ){
+      EditDist3Lang *pNew;
+      pNew = sqlite3_realloc(p->a, (p->nLang+1)*sizeof(p->a[0]));
+      if( pNew==0 ){ rc = SQLITE_NOMEM; break; }
+      p->a = pNew;
+      pLang = &p->a[p->nLang];
+      p->nLang++;
+      pLang->iLang = iLang;
+      pLang->iInsCost = 100;
+      pLang->iDelCost = 100;
+      pLang->iSubCost = 150;
+      pLang->pCost = 0;
+      iLangPrev = iLang;
+    }
+    if( nFrom==1 && zFrom[0]=='?' && nTo==0 ){
+      pLang->iDelCost = iCost;
+    }else if( nFrom==0 && nTo==1 && zTo[0]=='?' ){
+      pLang->iInsCost = iCost;
+    }else if( nFrom==1 && nTo==1 && zFrom[0]=='?' && zTo[0]=='?' ){
+      pLang->iSubCost = iCost;
+    }else{
+      EditDist3Cost *pCost;
+      int nExtra = nFrom + nTo - 4;
+      if( nExtra<0 ) nExtra = 0;
+      pCost = sqlite3_malloc( sizeof(*pCost) + nExtra );
+      if( pCost==0 ){ rc = SQLITE_NOMEM; break; }
+      pCost->nFrom = nFrom;
+      pCost->nTo = nTo;
+      pCost->iCost = iCost;
+      memcpy(pCost->a, zFrom, nFrom);
+      memcpy(pCost->a + nFrom, zTo, nTo);
+      pCost->pNext = pLang->pCost;
+      pLang->pCost = pCost; 
+    }
+  }
+  rc2 = sqlite3_finalize(pStmt);
+  if( rc==SQLITE_OK ) rc = rc2;
+  return rc;
+}
+
+/*
+** Return the length (in bytes) of a utf-8 character.  Or return a maximum
+** of N.
+*/
+static int utf8Len(unsigned char c, int N){
+  int len = 1;
+  if( c>0x7f ){
+    if( (c&0xe0)==0xc0 ){
+      len = 2;
+    }else if( (c&0xf0)==0xe0 ){
+      len = 3;
+    }else{
+      len = 4;
+    }
+  }
+  if( len>N ) len = N;
+  return len;
+}
+
+/*
+** Return TRUE (non-zero) of the To side of the given cost matches
+** the given string.
+*/
+static int matchTo(EditDist3Cost *p, const char *z, int n){
+  if( p->nTo>n ) return 0;
+  if( memcmp(p->a+p->nFrom, z, p->nTo)!=0 ) return 0;
+  return 1;
+}
+
+/*
+** Return TRUE (non-zero) of the To side of the given cost matches
+** the given string.
+*/
+static int matchFrom(EditDist3Cost *p, const char *z, int n){
+  assert( p->nFrom<=n );
+  if( memcmp(p->a, z, p->nFrom)!=0 ) return 0;
+  return 1;
+}
+
+/*
+** Return TRUE (non-zero) of the next FROM character and the next TO
+** character are the same.
+*/
+static int matchFromTo(
+  EditDist3FromString *pStr,  /* Left hand string */
+  int n1,                     /* Index of comparison character on the left */
+  const char *z2,             /* Right-handl comparison character */
+  int n2                      /* Bytes remaining in z2[] */
+){
+  int b1 = pStr->a[n1].nByte;
+  if( b1>n2 ) return 0;
+  if( memcmp(pStr->z+n1, z2, b1)!=0 ) return 0;
+  return 1;
+}
+
+/*
+** Delete an EditDist3FromString objecct
+*/
+static void editDist3FromStringDelete(EditDist3FromString *p){
+  int i;
+  if( p ){
+    for(i=0; i<p->n; i++){
+      sqlite3_free(p->a[i].apDel);
+      sqlite3_free(p->a[i].apSubst);
+    }
+    sqlite3_free(p);
+  }
+}
+
+/*
+** Create a EditDist3FromString object.
+*/
+static EditDist3FromString *editDist3FromStringNew(
+  const EditDist3Lang *pLang,
+  const char *z,
+  int n
+){
+  EditDist3FromString *pStr;
+  EditDist3Cost *p;
+  int i;
+
+  if( z==0 ) return 0;
+  if( n<0 ) n = (int)strlen(z);
+  pStr = sqlite3_malloc( sizeof(*pStr) + sizeof(pStr->a[0])*n + n + 1 );
+  if( pStr==0 ) return 0;
+  pStr->a = (EditDist3From*)&pStr[1];
+  memset(pStr->a, 0, sizeof(pStr->a[0])*n);
+  pStr->n = n;
+  pStr->z = (char*)&pStr->a[n];
+  memcpy(pStr->z, z, n+1);
+  if( n && z[n-1]=='*' ){
+    pStr->isPrefix = 1;
+    n--;
+    pStr->n--;
+    pStr->z[n] = 0;
+  }else{
+    pStr->isPrefix = 0;
+  }
+
+  for(i=0; i<n; i++){
+    EditDist3From *pFrom = &pStr->a[i];
+    memset(pFrom, 0, sizeof(*pFrom));
+    pFrom->nByte = utf8Len((unsigned char)z[i], n-i);
+    for(p=pLang->pCost; p; p=p->pNext){
+      EditDist3Cost **apNew;
+      if( i+p->nFrom>n ) continue;
+      if( matchFrom(p, z+i, n-i)==0 ) continue;
+      if( p->nTo==0 ){
+        apNew = sqlite3_realloc(pFrom->apDel,
+                                sizeof(*apNew)*(pFrom->nDel+1));
+        if( apNew==0 ) break;
+        pFrom->apDel = apNew;
+        apNew[pFrom->nDel++] = p;
+      }else{
+        apNew = sqlite3_realloc(pFrom->apSubst,
+                                sizeof(*apNew)*(pFrom->nSubst+1));
+        if( apNew==0 ) break;
+        pFrom->apSubst = apNew;
+        apNew[pFrom->nSubst++] = p;
+      }
+    }
+    if( p ){
+      editDist3FromStringDelete(pStr);
+      pStr = 0;
+      break;
+    }
+  }
+  return pStr;
+}
+
+/*
+** Update entry m[i] such that it is the minimum of its current value
+** and m[j]+iCost.
+**
+** If the iCost is 1,000,000 or greater, then consider the cost to be
+** infinite and skip the update.
+*/
+static void updateCost(
+  unsigned int *m,
+  int i,
+  int j,
+  int iCost
+){
+  assert( iCost>=0 );
+  if( iCost<10000 ){
+    unsigned int b = m[j] + iCost;
+    if( b<m[i] ) m[i] = b;
+  }
+}
+
+/* Compute the edit distance between two strings.
+**
+** If an error occurs, return a negative number which is the error code.
+**
+** If pnMatch is not NULL, then *pnMatch is set to the number of characters
+** (not bytes) in z2 that matched the search pattern in *pFrom. If pFrom does
+** not contain the pattern for a prefix-search, then this is always the number
+** of characters in z2. If pFrom does contain a prefix search pattern, then
+** it is the number of characters in the prefix of z2 that was deemed to 
+** match pFrom.
+*/
+static int editDist3Core(
+  EditDist3FromString *pFrom,  /* The FROM string */
+  const char *z2,              /* The TO string */
+  int n2,                      /* Length of the TO string */
+  const EditDist3Lang *pLang,  /* Edit weights for a particular language ID */
+  int *pnMatch                 /* OUT: Characters in matched prefix */
+){
+  int k, n;
+  int i1, b1;
+  int i2, b2;
+  EditDist3FromString f = *pFrom;
+  EditDist3To *a2;
+  unsigned int *m;
+  int szRow;
+  EditDist3Cost *p;
+  int res;
+
+  /* allocate the Wagner matrix and the aTo[] array for the TO string */
+  n = (f.n+1)*(n2+1);
+  n = (n+1)&~1;
+  m = sqlite3_malloc( n*sizeof(m[0]) + sizeof(a2[0])*n2 );
+  if( m==0 ) return -1;            /* Out of memory */
+  a2 = (EditDist3To*)&m[n];
+  memset(a2, 0, sizeof(a2[0])*n2);
+
+  /* Fill in the a1[] matrix for all characters of the TO string */
+  for(i2=0; i2<n2; i2++){
+    a2[i2].nByte = utf8Len((unsigned char)z2[i2], n2-i2);
+    for(p=pLang->pCost; p; p=p->pNext){
+      EditDist3Cost **apNew;
+      if( p->nFrom>0 ) continue;
+      if( i2+p->nTo>n2 ) continue;
+      if( matchTo(p, z2+i2, n2-i2)==0 ) continue;
+      a2[i2].nIns++;
+      apNew = sqlite3_realloc(a2[i2].apIns, sizeof(*apNew)*a2[i2].nIns);
+      if( apNew==0 ){
+        res = -1;  /* Out of memory */
+        goto editDist3Abort;
+      }
+      a2[i2].apIns = apNew;
+      a2[i2].apIns[a2[i2].nIns-1] = p;
+    }
+  }
+
+  /* Prepare to compute the minimum edit distance */
+  szRow = f.n+1;
+  memset(m, 0x01, (n2+1)*szRow*sizeof(m[0]));
+  m[0] = 0;
+
+  /* First fill in the top-row of the matrix with FROM deletion costs */
+  for(i1=0; i1<f.n; i1 += b1){
+    b1 = f.a[i1].nByte;
+    updateCost(m, i1+b1, i1, pLang->iDelCost);
+    for(k=0; k<f.a[i1].nDel; k++){
+      p = f.a[i1].apDel[k];
+      updateCost(m, i1+p->nFrom, i1, p->iCost);
+    }
+  }
+
+  /* Fill in all subsequent rows, top-to-bottom, left-to-right */
+  for(i2=0; i2<n2; i2 += b2){
+    int rx;      /* Starting index for current row */
+    int rxp;     /* Starting index for previous row */
+    b2 = a2[i2].nByte;
+    rx = szRow*(i2+b2);
+    rxp = szRow*i2;
+    updateCost(m, rx, rxp, pLang->iInsCost);
+    for(k=0; k<a2[i2].nIns; k++){
+      p = a2[i2].apIns[k];
+      updateCost(m, szRow*(i2+p->nTo), rxp, p->iCost);
+    }
+    for(i1=0; i1<f.n; i1+=b1){
+      int cx;    /* Index of current cell */
+      int cxp;   /* Index of cell immediately to the left */
+      int cxd;   /* Index of cell to the left and one row above */
+      int cxu;   /* Index of cell immediately above */
+      b1 = f.a[i1].nByte;
+      cxp = rx + i1;
+      cx = cxp + b1;
+      cxd = rxp + i1;
+      cxu = cxd + b1;
+      updateCost(m, cx, cxp, pLang->iDelCost);
+      for(k=0; k<f.a[i1].nDel; k++){
+        p = f.a[i1].apDel[k];
+        updateCost(m, cxp+p->nFrom, cxp, p->iCost);
+      }
+      updateCost(m, cx, cxu, pLang->iInsCost);
+      if( matchFromTo(&f, i1, z2+i2, n2-i2) ){
+        updateCost(m, cx, cxd, 0);
+      }
+      updateCost(m, cx, cxd, pLang->iSubCost);
+      for(k=0; k<f.a[i1].nSubst; k++){
+        p = f.a[i1].apSubst[k];
+        if( matchTo(p, z2+i2, n2-i2) ){
+          updateCost(m, cxd+p->nFrom+szRow*p->nTo, cxd, p->iCost);
+        }
+      }
+    }
+  }
+
+#if 0  /* Enable for debugging */
+  printf("         ^");
+  for(i1=0; i1<f.n; i1++) printf(" %c-%2x", f.z[i1], f.z[i1]&0xff);
+  printf("\n   ^:");
+  for(i1=0; i1<szRow; i1++){
+    int v = m[i1];
+    if( v>9999 ) printf(" ****");
+    else         printf(" %4d", v);
+  }
+  printf("\n");
+  for(i2=0; i2<n2; i2++){
+    printf("%c-%02x:", z2[i2], z2[i2]&0xff);
+    for(i1=0; i1<szRow; i1++){
+      int v = m[(i2+1)*szRow+i1];
+      if( v>9999 ) printf(" ****");
+      else         printf(" %4d", v);
+    }
+    printf("\n");
+  }
+#endif
+
+  /* Free memory allocations and return the result */
+  res = (int)m[szRow*(n2+1)-1];
+  n = n2;
+  if( f.isPrefix ){
+    for(i2=1; i2<=n2; i2++){
+      int b = m[szRow*i2-1];
+      if( b<=res ){ 
+        res = b;
+        n = i2 - 1;
+      }
+    }
+  }
+  if( pnMatch ){
+    int nExtra = 0;
+    for(k=0; k<n; k++){
+      if( (z2[k] & 0xc0)==0x80 ) nExtra++;
+    }
+    *pnMatch = n - nExtra;
+  }
+
+editDist3Abort:
+  for(i2=0; i2<n2; i2++) sqlite3_free(a2[i2].apIns);
+  sqlite3_free(m);
+  return res;
+}
+
+/*
+** Get an appropriate EditDist3Lang object.
+*/
+static const EditDist3Lang *editDist3FindLang(
+  EditDist3Config *pConfig,
+  int iLang
+){
+  int i;
+  for(i=0; i<pConfig->nLang; i++){
+    if( pConfig->a[i].iLang==iLang ) return &pConfig->a[i];
+  }
+  return &editDist3Lang;
+}
+
+/*
+** Function:    editdist3(A,B,iLang)
+**              editdist3(tablename)
+**
+** Return the cost of transforming string A into string B using edit
+** weights for iLang.
+**
+** The second form loads edit weights into memory from a table.
+*/
+static void editDist3SqlFunc(
+  sqlite3_context *context,
+  int argc,
+  sqlite3_value **argv
+){
+  EditDist3Config *pConfig = (EditDist3Config*)sqlite3_user_data(context);
+  sqlite3 *db = sqlite3_context_db_handle(context);
+  int rc;
+  if( argc==1 ){
+    const char *zTable = (const char*)sqlite3_value_text(argv[0]);
+    rc = editDist3ConfigLoad(pConfig, db, zTable);
+    if( rc ) sqlite3_result_error_code(context, rc);
+  }else{
+    const char *zA = (const char*)sqlite3_value_text(argv[0]);
+    const char *zB = (const char*)sqlite3_value_text(argv[1]);
+    int nA = sqlite3_value_bytes(argv[0]);
+    int nB = sqlite3_value_bytes(argv[1]);
+    int iLang = argc==3 ? sqlite3_value_int(argv[2]) : 0;
+    const EditDist3Lang *pLang = editDist3FindLang(pConfig, iLang);
+    EditDist3FromString *pFrom;
+    int dist;
+
+    pFrom = editDist3FromStringNew(pLang, zA, nA);
+    if( pFrom==0 ){
+      sqlite3_result_error_nomem(context);
+      return;
+    }
+    dist = editDist3Core(pFrom, zB, nB, pLang, 0);
+    editDist3FromStringDelete(pFrom);
+    if( dist==(-1) ){
+      sqlite3_result_error_nomem(context);
+    }else{
+      sqlite3_result_int(context, dist);
+    }
+  } 
+}
+
+/*
+** Register the editDist3 function with SQLite
+*/
+static int editDist3Install(sqlite3 *db){
+  int rc;
+  EditDist3Config *pConfig = sqlite3_malloc( sizeof(*pConfig) );
+  if( pConfig==0 ) return SQLITE_NOMEM;
+  memset(pConfig, 0, sizeof(*pConfig));
+  rc = sqlite3_create_function_v2(db, "editdist3",
+              2, SQLITE_UTF8, pConfig, editDist3SqlFunc, 0, 0, 0);
+  if( rc==SQLITE_OK ){
+    rc = sqlite3_create_function_v2(db, "editdist3",
+                3, SQLITE_UTF8, pConfig, editDist3SqlFunc, 0, 0, 0);
+  }
+  if( rc==SQLITE_OK ){
+    rc = sqlite3_create_function_v2(db, "editdist3",
+                1, SQLITE_UTF8, pConfig, editDist3SqlFunc, 0, 0,
+                editDist3ConfigDelete);
+  }else{
+    sqlite3_free(pConfig);
+  }
+  return rc;
+}
+/* End configurable cost unicode edit distance routines
+******************************************************************************
+******************************************************************************
+** Begin transliterate unicode-to-ascii implementation
+*/
+
+#if !SQLITE_AMALGAMATION
 /*
 ** This lookup table is used to help decode the first byte of
 ** a multi-byte UTF8 character.
@@ -687,7 +1139,9 @@ static const unsigned char sqlite3Utf8Trans1[] = {
 static int utf8Read(const unsigned char *z, int n, int *pSize){
   int c, i;
 
-  if( n==0 ){
+  /* All callers to this routine (in the current implementation)
+  ** always have n>0. */
+  if( NEVER(n==0) ){
     c = i = 0;
   }else{
     c = z[0];
@@ -703,6 +1157,21 @@ static int utf8Read(const unsigned char *z, int n, int *pSize){
   return c;
 }
 
+/*
+** Return the number of characters in the utf-8 string in the nIn byte
+** buffer pointed to by zIn.
+*/
+static int utf8Charlen(const char *zIn, int nIn){
+  int i;
+  int nChar = 0;
+  for(i=0; i<nIn; nChar++){
+    int sz;
+    utf8Read((const unsigned char *)&zIn[i], nIn-i, &sz);
+    i += sz;
+  }
+  return nChar;
+}
+
 /*
 ** Table of translations from unicode characters into ASCII.
 */
@@ -1018,7 +1487,9 @@ static const struct {
   { 0x0427,  0x43, 0x68 },  /* Ч to Ch */
   { 0x0428,  0x53, 0x68 },  /* Ш to Sh */
   { 0x0429,  0x53, 0x68 },  /* Щ to Shch */
+  { 0x042A,  0x61, 0x00 },  /*  to A */
   { 0x042B,  0x59, 0x00 },  /* Ы to Y */
+  { 0x042C,  0x59, 0x00 },  /*  to Y */
   { 0x042D,  0x45, 0x00 },  /* Э to E */
   { 0x042E,  0x49, 0x75 },  /* Ю to Iu */
   { 0x042F,  0x49, 0x61 },  /* Я to Ia */
@@ -1048,7 +1519,9 @@ static const struct {
   { 0x0447,  0x63, 0x68 },  /* ч to ch */
   { 0x0448,  0x73, 0x68 },  /* ш to sh */
   { 0x0449,  0x73, 0x68 },  /* щ to shch */
+  { 0x044A,  0x61, 0x00 },  /*  to a */
   { 0x044B,  0x79, 0x00 },  /* ы to y */
+  { 0x044C,  0x79, 0x00 },  /*  to y */
   { 0x044D,  0x65, 0x00 },  /* э to e */
   { 0x044E,  0x69, 0x75 },  /* ю to iu */
   { 0x044F,  0x69, 0x61 },  /* я to ia */
@@ -1109,10 +1582,10 @@ static const struct {
 */
 static unsigned char *transliterate(const unsigned char *zIn, int nIn){
   unsigned char *zOut = sqlite3_malloc( nIn*4 + 1 );
-  int i, c, sz, nOut;
+  int c, sz, nOut;
   if( zOut==0 ) return 0;
-  i = nOut = 0;
-  while( i<nIn ){
+  nOut = 0;
+  while( nIn>0 ){
     c = utf8Read(zIn, nIn, &sz);
     zIn += sz;
     nIn -= sz;
@@ -1149,6 +1622,45 @@ static unsigned char *transliterate(const unsigned char *zIn, int nIn){
   return zOut;
 }
 
+/*
+** Return the number of characters in the shortest prefix of the input
+** string that transliterates to an ASCII string nTrans bytes or longer.
+** Or, if the transliteration of the input string is less than nTrans
+** bytes in size, return the number of characters in the input string.
+*/
+static int translen_to_charlen(const char *zIn, int nIn, int nTrans){
+  int i, c, sz, nOut;
+  int nChar;
+
+  i = nOut = 0;
+  for(nChar=0; i<nIn && nOut<nTrans; nChar++){
+    c = utf8Read((const unsigned char *)&zIn[i], nIn-i, &sz);
+    i += sz;
+
+    nOut++;
+    if( c>=128 ){
+      int xTop, xBtm, x;
+      xTop = sizeof(translit)/sizeof(translit[0]) - 1;
+      xBtm = 0;
+      while( xTop>=xBtm ){
+        x = (xTop + xBtm)/2;
+        if( translit[x].cFrom==c ){
+          if( translit[x].cTo1 ) nOut++;
+          if( c==0x0429 || c== 0x0449 ) nOut += 2;
+          break;
+        }else if( translit[x].cFrom>c ){
+          xTop = x-1;
+        }else{
+          xBtm = x+1;
+        }
+      }
+    }
+  }
+
+  return nChar;
+}
+
+
 /*
 **    spellfix1_translit(X)
 **
@@ -1222,38 +1734,52 @@ static void scriptCodeSqlFunc(
   sqlite3_result_int(context, res);
 }
 
-/*****************************************************************************
-** Fuzzy-search virtual table
-*****************************************************************************/
+/* End transliterate
+******************************************************************************
+******************************************************************************
+** Begin spellfix1 virtual table.
+*/
+
+/* Maximum length of a phonehash used for querying the shadow table */
+#define SPELLFIX_MX_HASH  8
+
+/* Maximum number of hash strings to examine per query */
+#define SPELLFIX_MX_RUN   1
 
 typedef struct spellfix1_vtab spellfix1_vtab;
 typedef struct spellfix1_cursor spellfix1_cursor;
 
 /* Fuzzy-search virtual table object */
 struct spellfix1_vtab {
-  sqlite3_vtab base;      /* Base class - must be first */
-  sqlite3 *db;            /* Database connection */
-  char *zDbName;          /* Name of database holding this table */
-  char *zTableName;       /* Name of the virtual table */
+  sqlite3_vtab base;         /* Base class - must be first */
+  sqlite3 *db;               /* Database connection */
+  char *zDbName;             /* Name of database holding this table */
+  char *zTableName;          /* Name of the virtual table */
+  char *zCostTable;          /* Table holding edit-distance cost numbers */
+  EditDist3Config *pConfig3; /* Parsed edit distance costs */
 };
 
 /* Fuzzy-search cursor object */
 struct spellfix1_cursor {
   sqlite3_vtab_cursor base;    /* Base class - must be first */
-  spellfix1_vtab *pVTab;         /* The table to which this cursor belongs */
+  spellfix1_vtab *pVTab;       /* The table to which this cursor belongs */
+  char *zPattern;              /* rhs of MATCH clause */
   int nRow;                    /* Number of rows of content */
   int nAlloc;                  /* Number of allocated rows */
   int iRow;                    /* Current row of content */
-  int iLang;                   /* Value of the lang= constraint */
+  int iLang;                   /* Value of the langid= constraint */
   int iTop;                    /* Value of the top= constraint */
   int iScope;                  /* Value of the scope= constraint */
   int nSearch;                 /* Number of vocabulary items checked */
-  struct spellfix1_row {         /* For each row of content */
+  sqlite3_stmt *pFullScan;     /* Shadow query for a full table scan */
+  struct spellfix1_row {       /* For each row of content */
     sqlite3_int64 iRowid;         /* Rowid for this row */
     char *zWord;                  /* Text for this row */
     int iRank;                    /* Rank for this row */
     int iDistance;                /* Distance from pattern for this row */
     int iScore;                   /* Score for sorting */
+    int iMatchlen;                /* Value of matchlen column (or -1) */
+    char zHash[SPELLFIX_MX_HASH]; /* the phonehash used for this match */
   } *a; 
 };
 
@@ -1297,6 +1823,8 @@ static int spellfix1Uninit(int isDestroy, sqlite3_vtab *pVTab){
   }
   if( rc==SQLITE_OK ){
     sqlite3_free(p->zTableName);
+    editDist3ConfigDelete(p->pConfig3);
+    sqlite3_free(p->zCostTable);
     sqlite3_free(p);
   }
   return rc;
@@ -1308,13 +1836,47 @@ static int spellfix1Destroy(sqlite3_vtab *pVTab){
   return spellfix1Uninit(1, pVTab);
 }
 
+/*
+** Make a copy of a string.  Remove leading and trailing whitespace
+** and dequote it.
+*/
+static char *spellfix1Dequote(const char *zIn){
+  char *zOut;
+  int i, j;
+  char c;
+  while( isspace(zIn[0]) ) zIn++;
+  zOut = sqlite3_mprintf("%s", zIn);
+  if( zOut==0 ) return 0;
+  i = (int)strlen(zOut);
+#if 0  /* The parser will never leave spaces at the end */
+  while( i>0 && isspace(zOut[i-1]) ){ i--; }
+#endif
+  zOut[i] = 0;
+  c = zOut[0];
+  if( c=='\'' || c=='"' ){
+    for(i=1, j=0; ALWAYS(zOut[i]); i++){
+      zOut[j++] = zOut[i];
+      if( zOut[i]==c ){
+        if( zOut[i+1]==c ){
+          i++;
+        }else{
+          zOut[j-1] = 0;
+          break;
+        }
+      }
+    }
+  }
+  return zOut;
+}
+
+
 /*
 ** xConnect/xCreate method for the spellfix1 module. Arguments are:
 **
 **   argv[0]   -> module name  ("spellfix1")
 **   argv[1]   -> database name
 **   argv[2]   -> table name
-**   argv[3].. -> optional arguments (currently ignored)
+**   argv[3].. -> optional arguments (i.e. "edit_cost_table" parameter)
 */
 static int spellfix1Init(
   int isCreate,
@@ -1330,56 +1892,77 @@ static int spellfix1Init(
   const char *zTableName = argv[2];
   int nDbName;
   int rc = SQLITE_OK;
+  int i;
 
-  if( argc<3 ){
-    *pzErr = sqlite3_mprintf(
-        "%s: wrong number of CREATE VIRTUAL TABLE arguments", argv[0]
-    );
-    rc = SQLITE_ERROR;
+  nDbName = (int)strlen(zDbName);
+  pNew = sqlite3_malloc( sizeof(*pNew) + nDbName + 1);
+  if( pNew==0 ){
+    rc = SQLITE_NOMEM;
   }else{
-    nDbName = strlen(zDbName);
-    pNew = sqlite3_malloc( sizeof(*pNew) + nDbName + 1);
-    if( pNew==0 ){
+    memset(pNew, 0, sizeof(*pNew));
+    pNew->zDbName = (char*)&pNew[1];
+    memcpy(pNew->zDbName, zDbName, nDbName+1);
+    pNew->zTableName = sqlite3_mprintf("%s", zTableName);
+    pNew->db = db;
+    if( pNew->zTableName==0 ){
       rc = SQLITE_NOMEM;
     }else{
-      memset(pNew, 0, sizeof(*pNew));
-      pNew->zDbName = (char*)&pNew[1];
-      memcpy(pNew->zDbName, zDbName, nDbName+1);
-      pNew->zTableName = sqlite3_mprintf("%s", zTableName);
-      pNew->db = db;
-      if( pNew->zTableName==0 ){
-        rc = SQLITE_NOMEM;
-      }else{
-        rc = sqlite3_declare_vtab(db, 
-             "CREATE TABLE x(word,rank,distance,langid,"
-             "score,top HIDDEN,scope HIDDEN,srchcnt HIDDEN,"
-             "soundslike HIDDEN)"
-        );
-      }
-      if( rc==SQLITE_OK && isCreate ){
-        sqlite3_uint64 r;
-        spellfix1DbExec(&rc, db,
-           "CREATE TABLE IF NOT EXISTS \"%w\".\"%w_vocab\"(\n"
-           "  id INTEGER PRIMARY KEY,\n"
-           "  rank INT,\n"
-           "  langid INT,\n"
-           "  word TEXT,\n"
-           "  k1 TEXT,\n"
-           "  k2 TEXT\n"
-           ");\n",
-           zDbName, zTableName
-        );
-        sqlite3_randomness(sizeof(r), &r);
-        spellfix1DbExec(&rc, db,
-           "CREATE INDEX IF NOT EXISTS \"%w\".\"%w_index_%llx\" "
-              "ON \"%w_vocab\"(langid,k2);",
-           zDbName, zModule, r, zTableName
-        );
+      rc = sqlite3_declare_vtab(db, 
+           "CREATE TABLE x(word,rank,distance,langid, "
+           "score, matchlen, phonehash HIDDEN, "
+           "top HIDDEN, scope HIDDEN, srchcnt HIDDEN, "
+           "soundslike HIDDEN, command HIDDEN)"
+      );
+#define SPELLFIX_COL_WORD            0
+#define SPELLFIX_COL_RANK            1
+#define SPELLFIX_COL_DISTANCE        2
+#define SPELLFIX_COL_LANGID          3
+#define SPELLFIX_COL_SCORE           4
+#define SPELLFIX_COL_MATCHLEN        5
+#define SPELLFIX_COL_PHONEHASH       6
+#define SPELLFIX_COL_TOP             7
+#define SPELLFIX_COL_SCOPE           8
+#define SPELLFIX_COL_SRCHCNT         9
+#define SPELLFIX_COL_SOUNDSLIKE     10
+#define SPELLFIX_COL_COMMAND        11
+    }
+    if( rc==SQLITE_OK && isCreate ){
+      sqlite3_uint64 r;
+      spellfix1DbExec(&rc, db,
+         "CREATE TABLE IF NOT EXISTS \"%w\".\"%w_vocab\"(\n"
+         "  id INTEGER PRIMARY KEY,\n"
+         "  rank INT,\n"
+         "  langid INT,\n"
+         "  word TEXT,\n"
+         "  k1 TEXT,\n"
+         "  k2 TEXT\n"
+         ");\n",
+         zDbName, zTableName
+      );
+      sqlite3_randomness(sizeof(r), &r);
+      spellfix1DbExec(&rc, db,
+         "CREATE INDEX IF NOT EXISTS \"%w\".\"%w_index_%llx\" "
+            "ON \"%w_vocab\"(langid,k2);",
+         zDbName, zModule, r, zTableName
+      );
+    }
+    for(i=3; rc==SQLITE_OK && i<argc; i++){
+      if( memcmp(argv[i],"edit_cost_table=",16)==0 && pNew->zCostTable==0 ){
+        pNew->zCostTable = spellfix1Dequote(&argv[i][16]);
+        if( pNew->zCostTable==0 ) rc = SQLITE_NOMEM;
+        continue;
       }
+      *pzErr = sqlite3_mprintf("bad argument to spellfix1(): \"%s\"", argv[i]);
+      rc = SQLITE_ERROR; 
     }
   }
 
-  *ppVTab = (sqlite3_vtab *)pNew;
+  if( rc && pNew ){
+    *ppVTab = 0;
+    spellfix1Uninit(0, &pNew->base);
+  }else{
+    *ppVTab = (sqlite3_vtab *)pNew;
+  }
   return rc;
 }
 
@@ -1406,27 +1989,49 @@ static int spellfix1Create(
 }
 
 /*
-** Reset a cursor so that it contains zero rows of content but holds
-** space for N rows.
+** Clear all of the content from a cursor.
 */
-static void spellfix1ResetCursor(spellfix1_cursor *pCur, int N){
+static void spellfix1ResetCursor(spellfix1_cursor *pCur){
   int i;
   for(i=0; i<pCur->nRow; i++){
     sqlite3_free(pCur->a[i].zWord);
   }
-  pCur->a = sqlite3_realloc(pCur->a, sizeof(pCur->a[0])*N);
-  pCur->nAlloc = N;
   pCur->nRow = 0;
   pCur->iRow = 0;
   pCur->nSearch = 0;
+  if( pCur->pFullScan ){
+    sqlite3_finalize(pCur->pFullScan);
+    pCur->pFullScan = 0;
+  }
 }
 
+/*
+** Resize the cursor to hold up to N rows of content
+*/
+static void spellfix1ResizeCursor(spellfix1_cursor *pCur, int N){
+  struct spellfix1_row *aNew;
+  assert( N>=pCur->nRow );
+  aNew = sqlite3_realloc(pCur->a, sizeof(pCur->a[0])*N);
+  if( aNew==0 && N>0 ){
+    spellfix1ResetCursor(pCur);
+    sqlite3_free(pCur->a);
+    pCur->nAlloc = 0;
+    pCur->a = 0;
+  }else{
+    pCur->nAlloc = N;
+    pCur->a = aNew;
+  }
+}
+
+
 /*
 ** Close a fuzzy-search cursor.
 */
 static int spellfix1Close(sqlite3_vtab_cursor *cur){
   spellfix1_cursor *pCur = (spellfix1_cursor *)cur;
-  spellfix1ResetCursor(pCur, 0);
+  spellfix1ResetCursor(pCur);
+  spellfix1ResizeCursor(pCur, 0);
+  sqlite3_free(pCur->zPattern);
   sqlite3_free(pCur);
   return SQLITE_OK;
 }
@@ -1438,6 +2043,8 @@ static int spellfix1Close(sqlite3_vtab_cursor *cur){
 **   (B)    langid == $langid
 **   (C)    top = $top
 **   (D)    scope = $scope
+**   (E)    distance < $distance
+**   (F)    distance <= $distance
 **
 ** The plan number is a bit mask formed with these bits:
 **
@@ -1445,6 +2052,8 @@ static int spellfix1Close(sqlite3_vtab_cursor *cur){
 **   0x02   (B) is found
 **   0x04   (C) is found
 **   0x08   (D) is found
+**   0x10   (E) is found
+**   0x20   (F) is found
 **
 ** filter.argv[*] values contains $str, $langid, $top, and $scope,
 ** if specified and in that order.
@@ -1454,6 +2063,7 @@ static int spellfix1BestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
   int iLangTerm = -1;
   int iTopTerm = -1;
   int iScopeTerm = -1;
+  int iDistTerm = -1;
   int i;
   const struct sqlite3_index_constraint *pConstraint;
   pConstraint = pIdxInfo->aConstraint;
@@ -1462,7 +2072,7 @@ static int spellfix1BestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
 
     /* Terms of the form:  word MATCH $str */
     if( (iPlan & 1)==0 
-     && pConstraint->iColumn==0
+     && pConstraint->iColumn==SPELLFIX_COL_WORD
      && pConstraint->op==SQLITE_INDEX_CONSTRAINT_MATCH
     ){
       iPlan |= 1;
@@ -1472,7 +2082,7 @@ static int spellfix1BestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
 
     /* Terms of the form:  langid = $langid  */
     if( (iPlan & 2)==0
-     && pConstraint->iColumn==3
+     && pConstraint->iColumn==SPELLFIX_COL_LANGID
      && pConstraint->op==SQLITE_INDEX_CONSTRAINT_EQ
     ){
       iPlan |= 2;
@@ -1481,7 +2091,7 @@ static int spellfix1BestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
 
     /* Terms of the form:  top = $top */
     if( (iPlan & 4)==0
-     && pConstraint->iColumn==5
+     && pConstraint->iColumn==SPELLFIX_COL_TOP
      && pConstraint->op==SQLITE_INDEX_CONSTRAINT_EQ
     ){
       iPlan |= 4;
@@ -1490,18 +2100,28 @@ static int spellfix1BestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
 
     /* Terms of the form:  scope = $scope */
     if( (iPlan & 8)==0
-     && pConstraint->iColumn==6
+     && pConstraint->iColumn==SPELLFIX_COL_SCOPE
      && pConstraint->op==SQLITE_INDEX_CONSTRAINT_EQ
     ){
       iPlan |= 8;
       iScopeTerm = i;
     }
+
+    /* Terms of the form:  distance < $dist or distance <= $dist */
+    if( (iPlan & (16|32))==0
+     && pConstraint->iColumn==SPELLFIX_COL_DISTANCE
+     && (pConstraint->op==SQLITE_INDEX_CONSTRAINT_LT
+          || pConstraint->op==SQLITE_INDEX_CONSTRAINT_LE)
+    ){
+      iPlan |= pConstraint->op==SQLITE_INDEX_CONSTRAINT_LT ? 16 : 32;
+      iDistTerm = i;
+    }
   }
   if( iPlan&1 ){
     int idx = 2;
     pIdxInfo->idxNum = iPlan;
     if( pIdxInfo->nOrderBy==1
-     && pIdxInfo->aOrderBy[0].iColumn==4
+     && pIdxInfo->aOrderBy[0].iColumn==SPELLFIX_COL_SCORE
      && pIdxInfo->aOrderBy[0].desc==0
     ){
       pIdxInfo->orderByConsumed = 1;  /* Default order by iScore */
@@ -1518,6 +2138,10 @@ static int spellfix1BestIndex(sqlite3_vtab *tab, sqlite3_index_info *pIdxInfo){
       pIdxInfo->aConstraintUsage[iScopeTerm].argvIndex = idx++;
       pIdxInfo->aConstraintUsage[iScopeTerm].omit = 1;
     }
+    if( iPlan&(16|32) ){
+      pIdxInfo->aConstraintUsage[iDistTerm].argvIndex = idx++;
+      pIdxInfo->aConstraintUsage[iDistTerm].omit = 1;
+    }
     pIdxInfo->estimatedCost = (double)10000;
   }else{
     pIdxInfo->idxNum = 0;
@@ -1560,6 +2184,156 @@ static int spellfix1RowCompare(const void *A, const void *B){
   return a->iScore - b->iScore;
 }
 
+/*
+** A structure used to pass information from spellfix1FilterForMatch()
+** into spellfix1RunQuery().
+*/
+typedef struct MatchQuery {
+  spellfix1_cursor *pCur;          /* The cursor being queried */
+  sqlite3_stmt *pStmt;             /* shadow table query statment */
+  char zHash[SPELLFIX_MX_HASH];    /* The current phonehash for zPattern */
+  const char *zPattern;            /* Transliterated input string */
+  int nPattern;                    /* Length of zPattern */
+  EditDist3FromString *pMatchStr3; /* Original unicode string */
+  EditDist3Config *pConfig3;       /* Edit-distance cost coefficients */
+  const EditDist3Lang *pLang;      /* The selected language coefficients */
+  int iLang;                       /* The language id */
+  int iScope;                      /* Default scope */
+  int iMaxDist;                    /* Maximum allowed edit distance, or -1 */
+  int rc;                          /* Error code */
+  int nRun;                  /* Number of prior runs for the same zPattern */
+  char azPrior[SPELLFIX_MX_RUN][SPELLFIX_MX_HASH];  /* Prior hashes */
+} MatchQuery;
+
+/*
+** Run a query looking for the best matches against zPattern using
+** zHash as the character class seed hash.
+*/
+static void spellfix1RunQuery(MatchQuery *p, const char *zQuery, int nQuery){
+  const char *zK1;
+  const char *zWord;
+  int iDist;
+  int iRank;
+  int iScore;
+  int iWorst = 0;
+  int idx;
+  int idxWorst = -1;
+  int i;
+  int iScope = p->iScope;
+  spellfix1_cursor *pCur = p->pCur;
+  sqlite3_stmt *pStmt = p->pStmt;
+  char zHash1[SPELLFIX_MX_HASH];
+  char zHash2[SPELLFIX_MX_HASH];
+  char *zClass;
+  int nClass;
+  int rc;
+
+  if( pCur->a==0 || p->rc ) return;   /* Prior memory allocation failure */
+  zClass = (char*)phoneticHash((unsigned char*)zQuery, nQuery);
+  if( zClass==0 ){
+    p->rc = SQLITE_NOMEM;
+    return;
+  }
+  nClass = (int)strlen(zClass);
+  if( nClass>SPELLFIX_MX_HASH-2 ){
+    nClass = SPELLFIX_MX_HASH-2;
+    zClass[nClass] = 0;
+  }
+  if( nClass<=iScope ){
+    if( nClass>2 ){
+      iScope = nClass-1;
+    }else{
+      iScope = nClass;
+    }
+  }
+  memcpy(zHash1, zClass, iScope);
+  sqlite3_free(zClass);
+  zHash1[iScope] = 0;
+  memcpy(zHash2, zHash1, iScope);
+  zHash2[iScope] = 'Z';
+  zHash2[iScope+1] = 0;
+#if SPELLFIX_MX_RUN>1
+  for(i=0; i<p->nRun; i++){
+    if( strcmp(p->azPrior[i], zHash1)==0 ) return;
+  }
+#endif
+  assert( p->nRun<SPELLFIX_MX_RUN );
+  memcpy(p->azPrior[p->nRun++], zHash1, iScope+1);
+  if( sqlite3_bind_text(pStmt, 1, zHash1, -1, SQLITE_STATIC)==SQLITE_NOMEM
+   || sqlite3_bind_text(pStmt, 2, zHash2, -1, SQLITE_STATIC)==SQLITE_NOMEM
+  ){
+    p->rc = SQLITE_NOMEM;
+    return;
+  }
+#if SPELLFIX_MX_RUN>1
+  for(i=0; i<pCur->nRow; i++){
+    if( pCur->a[i].iScore>iWorst ){
+      iWorst = pCur->a[i].iScore;
+      idxWorst = i;
+    }
+  }
+#endif
+  while( sqlite3_step(pStmt)==SQLITE_ROW ){
+    int iMatchlen = -1;
+    iRank = sqlite3_column_int(pStmt, 2);
+    if( p->pMatchStr3 ){
+      int nWord = sqlite3_column_bytes(pStmt, 1);
+      zWord = (const char*)sqlite3_column_text(pStmt, 1);
+      iDist = editDist3Core(p->pMatchStr3, zWord, nWord, p->pLang, &iMatchlen);
+    }else{
+      zK1 = (const char*)sqlite3_column_text(pStmt, 3);
+      if( zK1==0 ) continue;
+      iDist = editdist1(p->zPattern, zK1, 0);
+    }
+    if( iDist<0 ){
+      p->rc = SQLITE_NOMEM;
+      break;
+    }
+    pCur->nSearch++;
+    iScore = spellfix1Score(iDist,iRank);
+    if( p->iMaxDist>=0 ){
+      if( iDist>p->iMaxDist ) continue;
+      if( pCur->nRow>=pCur->nAlloc-1 ){
+        spellfix1ResizeCursor(pCur, pCur->nAlloc*2 + 10);
+        if( pCur->a==0 ) break;
+      }
+      idx = pCur->nRow;
+    }else if( pCur->nRow<pCur->nAlloc ){
+      idx = pCur->nRow;
+    }else if( iScore<iWorst ){
+      idx = idxWorst;
+      sqlite3_free(pCur->a[idx].zWord);
+    }else{
+      continue;
+    }
+    pCur->a[idx].zWord = sqlite3_mprintf("%s", sqlite3_column_text(pStmt, 1));
+    if( pCur->a[idx].zWord==0 ){
+      p->rc = SQLITE_NOMEM;
+      break;
+    }
+    pCur->a[idx].iRowid = sqlite3_column_int64(pStmt, 0);
+    pCur->a[idx].iRank = iRank;
+    pCur->a[idx].iDistance = iDist;
+    pCur->a[idx].iScore = iScore;
+    pCur->a[idx].iMatchlen = iMatchlen;
+    memcpy(pCur->a[idx].zHash, zHash1, iScope+1);
+    if( pCur->nRow<pCur->nAlloc ) pCur->nRow++;
+    if( pCur->nRow==pCur->nAlloc ){
+      iWorst = pCur->a[0].iScore;
+      idxWorst = 0;
+      for(i=1; i<pCur->nRow; i++){
+        iScore = pCur->a[i].iScore;
+        if( iWorst<iScore ){
+          iWorst = iScore;
+          idxWorst = i;
+        }
+      }
+    }
+  }
+  rc = sqlite3_reset(pStmt);
+  if( rc ) p->rc = rc;
+}
+
 /*
 ** This version of the xFilter method work if the MATCH term is present
 ** and we are doing a scan.
@@ -1570,19 +2344,31 @@ static int spellfix1FilterForMatch(
   int argc,
   sqlite3_value **argv
 ){
-  const unsigned char *zPatternIn;
-  char *zPattern;
-  int nPattern;
-  char *zClass;
-  int nClass;
-  int iLimit = 20;
-  int iScope = 4;
-  int iLang = 0;
-  char *zSql;
-  int rc;
-  sqlite3_stmt *pStmt;
-  int idx = 1;
-  spellfix1_vtab *p = pCur->pVTab;
+  const unsigned char *zMatchThis;   /* RHS of the MATCH operator */
+  EditDist3FromString *pMatchStr3 = 0; /* zMatchThis as an editdist string */
+  char *zPattern;                    /* Transliteration of zMatchThis */
+  int nPattern;                      /* Length of zPattern */
+  int iLimit = 20;                   /* Max number of rows of output */
+  int iScope = 3;                    /* Use this many characters of zClass */
+  int iLang = 0;                     /* Language code */
+  char *zSql;                        /* SQL of shadow table query */
+  sqlite3_stmt *pStmt = 0;           /* Shadow table query */
+  int rc;                            /* Result code */
+  int idx = 1;                       /* Next available filter parameter */
+  spellfix1_vtab *p = pCur->pVTab;   /* The virtual table that owns pCur */
+  MatchQuery x;                      /* For passing info to RunQuery() */
+
+  /* Load the cost table if we have not already done so */
+  if( p->zCostTable!=0 && p->pConfig3==0 ){
+    p->pConfig3 = sqlite3_malloc( sizeof(p->pConfig3[0]) );
+    if( p->pConfig3==0 ) return SQLITE_NOMEM;
+    memset(p->pConfig3, 0, sizeof(p->pConfig3[0]));
+    rc = editDist3ConfigLoad(p->pConfig3, p->db, p->zCostTable);
+    if( rc ) return rc;
+  }
+  memset(&x, 0, sizeof(x));
+  x.iScope = 3;  /* Default scope if none specified by "WHERE scope=N" */
+  x.iMaxDist = -1;   /* Maximum allowed edit distance */
 
   if( idxNum&2 ){
     iLang = sqlite3_value_int(argv[idx++]);
@@ -1592,83 +2378,76 @@ static int spellfix1FilterForMatch(
     if( iLimit<1 ) iLimit = 1;
   }
   if( idxNum&8 ){
-    iScope = sqlite3_value_int(argv[idx++]);
-    if( iScope<1 ) iScope = 1;
+    x.iScope = sqlite3_value_int(argv[idx++]);
+    if( x.iScope<1 ) x.iScope = 1;
+    if( x.iScope>SPELLFIX_MX_HASH-2 ) x.iScope = SPELLFIX_MX_HASH-2;
   }
-  spellfix1ResetCursor(pCur, iLimit);
-  zPatternIn = sqlite3_value_text(argv[0]);
-  if( zPatternIn==0 ) return SQLITE_OK;
-  zPattern = (char*)transliterate(zPatternIn, sqlite3_value_bytes(argv[0]));
-  if( zPattern==0 ) return SQLITE_NOMEM;
-  nPattern = strlen(zPattern);
+  if( idxNum&(16|32) ){
+    x.iMaxDist = sqlite3_value_int(argv[idx++]);
+    if( idxNum&16 ) x.iMaxDist--;
+    if( x.iMaxDist<0 ) x.iMaxDist = 0;
+  }
+  spellfix1ResetCursor(pCur);
+  spellfix1ResizeCursor(pCur, iLimit);
+  zMatchThis = sqlite3_value_text(argv[0]);
+  if( zMatchThis==0 ) return SQLITE_OK;
+  if( p->pConfig3 ){
+    x.pLang = editDist3FindLang(p->pConfig3, iLang);
+    pMatchStr3 = editDist3FromStringNew(x.pLang, (const char*)zMatchThis, -1);
+    if( pMatchStr3==0 ){
+      x.rc = SQLITE_NOMEM;
+      goto filter_exit;
+    }
+  }else{
+    x.pLang = 0;
+  }
+  zPattern = (char*)transliterate(zMatchThis, sqlite3_value_bytes(argv[0]));
+  sqlite3_free(pCur->zPattern);
+  pCur->zPattern = zPattern;
+  if( zPattern==0 ){
+    x.rc = SQLITE_NOMEM;
+    goto filter_exit;
+  }
+  nPattern = (int)strlen(zPattern);
   if( zPattern[nPattern-1]=='*' ) nPattern--;
-  if( nPattern<iScope ) iScope = nPattern;
-  zClass = (char*)characterClassString((unsigned char*)zPattern,
-                                       strlen(zPattern));
-  nClass = strlen(zClass);
-  if( nClass>iScope ){
-    zClass[iScope] = 0;
-    nClass = iScope;
-  }
   zSql = sqlite3_mprintf(
      "SELECT id, word, rank, k1"
      "  FROM \"%w\".\"%w_vocab\""
-     " WHERE langid=%d AND k2 GLOB '%q*'",
-     p->zDbName, p->zTableName, iLang, zClass
+     " WHERE langid=%d AND k2>=?1 AND k2<?2",
+     p->zDbName, p->zTableName, iLang
   );
+  if( zSql==0 ){
+    x.rc = SQLITE_NOMEM;
+    pStmt = 0;
+    goto filter_exit;
+  }
   rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
   sqlite3_free(zSql);
-  if( rc==SQLITE_OK ){
-    const char *zK1;
-    int iDist;
-    int iRank;
-    int iScore;
-    int iWorst = 999999999;
-    int idx;
-    int idxWorst;
-    int i;
-
-    while( sqlite3_step(pStmt)==SQLITE_ROW ){
-      zK1 = (const char*)sqlite3_column_text(pStmt, 3);
-      if( zK1==0 ) continue;
-      pCur->nSearch++;
-      iRank = sqlite3_column_int(pStmt, 2);
-      iDist = editdist(zPattern, zK1);
-      iScore = spellfix1Score(iDist,iRank);
-      if( pCur->nRow<pCur->nAlloc ){
-        idx = pCur->nRow;
-      }else if( iScore<iWorst ){
-        idx = idxWorst;
-        sqlite3_free(pCur->a[idx].zWord);
-      }else{
-        continue;
-      }
-      pCur->a[idx].zWord = sqlite3_mprintf("%s", sqlite3_column_text(pStmt, 1));
-      pCur->a[idx].iRowid = sqlite3_column_int64(pStmt, 0);
-      pCur->a[idx].iRank = iRank;
-      pCur->a[idx].iDistance = iDist;
-      pCur->a[idx].iScore = iScore;
-      if( pCur->nRow<pCur->nAlloc ) pCur->nRow++;
-      if( pCur->nRow==pCur->nAlloc ){
-        iWorst = pCur->a[0].iScore;
-        idxWorst = 0;
-        for(i=1; i<pCur->nRow; i++){
-          iScore = pCur->a[i].iScore;
-          if( iWorst<iScore ){
-            iWorst = iScore;
-            idxWorst = i;
-          }
-        }
-      }
-    }
+  pCur->iLang = iLang;
+  x.pCur = pCur;
+  x.pStmt = pStmt;
+  x.zPattern = zPattern;
+  x.nPattern = nPattern;
+  x.pMatchStr3 = pMatchStr3;
+  x.iLang = iLang;
+  x.rc = rc;
+  x.pConfig3 = p->pConfig3;
+  if( x.rc==SQLITE_OK ){
+    spellfix1RunQuery(&x, zPattern, nPattern);
   }
-  qsort(pCur->a, pCur->nRow, sizeof(pCur->a[0]), spellfix1RowCompare);
-  pCur->iTop = iLimit;
-  pCur->iScope = iScope;
+
+  if( pCur->a ){
+    qsort(pCur->a, pCur->nRow, sizeof(pCur->a[0]), spellfix1RowCompare);
+    pCur->iTop = iLimit;
+    pCur->iScope = iScope;
+  }else{
+    x.rc = SQLITE_NOMEM;
+  }
+
+filter_exit:
   sqlite3_finalize(pStmt);
-  sqlite3_free(zPattern);
-  sqlite3_free(zClass);
-  return SQLITE_OK;
+  editDist3FromStringDelete(pMatchStr3);
+  return x.rc;
 }
 
 /*
@@ -1680,8 +2459,25 @@ static int spellfix1FilterForFullScan(
   int argc,
   sqlite3_value **argv
 ){
-  spellfix1ResetCursor(pCur, 0);
-  return SQLITE_OK;
+  int rc;
+  char *zSql;
+  spellfix1_vtab *pVTab = pCur->pVTab;
+  spellfix1ResetCursor(pCur);
+  zSql = sqlite3_mprintf(
+     "SELECT word, rank, NULL, langid, id FROM \"%w\".\"%w_vocab\"",
+     pVTab->zDbName, pVTab->zTableName);
+  if( zSql==0 ) return SQLITE_NOMEM;
+  rc = sqlite3_prepare_v2(pVTab->db, zSql, -1, &pCur->pFullScan, 0);
+  sqlite3_free(zSql);
+  pCur->nRow = pCur->iRow = 0;
+  if( rc==SQLITE_OK ){
+    rc = sqlite3_step(pCur->pFullScan);
+    if( rc==SQLITE_ROW ){ pCur->iRow = -1; rc = SQLITE_OK; }
+    if( rc==SQLITE_DONE ){ rc = SQLITE_OK; }
+  }else{
+    pCur->iRow = 0;
+  }
+  return rc;
 }
 
 
@@ -1711,8 +2507,17 @@ static int spellfix1Filter(
 */
 static int spellfix1Next(sqlite3_vtab_cursor *cur){
   spellfix1_cursor *pCur = (spellfix1_cursor *)cur;
-  if( pCur->iRow < pCur->nRow ) pCur->iRow++;
-  return SQLITE_OK;
+  int rc = SQLITE_OK;
+  if( pCur->iRow < pCur->nRow ){
+    if( pCur->pFullScan ){
+      rc = sqlite3_step(pCur->pFullScan);
+      if( rc!=SQLITE_ROW ) pCur->iRow = pCur->nRow;
+      if( rc==SQLITE_ROW || rc==SQLITE_DONE ) rc = SQLITE_OK;
+    }else{
+      pCur->iRow++;
+    }
+  }
+  return rc;
 }
 
 /*
@@ -1726,38 +2531,78 @@ static int spellfix1Eof(sqlite3_vtab_cursor *cur){
 /*
 ** Return columns from the current row.
 */
-static int spellfix1Column(sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int i){
+static int spellfix1Column(
+  sqlite3_vtab_cursor *cur,
+  sqlite3_context *ctx,
+  int i
+){
   spellfix1_cursor *pCur = (spellfix1_cursor*)cur;
+  if( pCur->pFullScan ){
+    if( i<=SPELLFIX_COL_LANGID ){
+      sqlite3_result_value(ctx, sqlite3_column_value(pCur->pFullScan, i));
+    }else{
+      sqlite3_result_null(ctx);
+    }
+    return SQLITE_OK;
+  }
   switch( i ){
-    case 0: {
+    case SPELLFIX_COL_WORD: {
       sqlite3_result_text(ctx, pCur->a[pCur->iRow].zWord, -1, SQLITE_STATIC);
       break;
     }
-    case 1: {
+    case SPELLFIX_COL_RANK: {
       sqlite3_result_int(ctx, pCur->a[pCur->iRow].iRank);
       break;
     }
-    case 2: {
+    case SPELLFIX_COL_DISTANCE: {
       sqlite3_result_int(ctx, pCur->a[pCur->iRow].iDistance);
       break;
     }
-    case 3: {
+    case SPELLFIX_COL_LANGID: {
       sqlite3_result_int(ctx, pCur->iLang);
       break;
     }
-    case 4: {
+    case SPELLFIX_COL_SCORE: {
       sqlite3_result_int(ctx, pCur->a[pCur->iRow].iScore);
       break;
     }
-    case 5: {
+    case SPELLFIX_COL_MATCHLEN: {
+      int iMatchlen = pCur->a[pCur->iRow].iMatchlen;
+      if( iMatchlen<0 ){
+        int nPattern = (int)strlen(pCur->zPattern);
+        char *zWord = pCur->a[pCur->iRow].zWord;
+        int nWord = (int)strlen(zWord);
+
+        if( nPattern>0 && pCur->zPattern[nPattern-1]=='*' ){
+          char *zTranslit;
+          int res;
+          zTranslit = (char *)transliterate((unsigned char *)zWord, nWord);
+          if( !zTranslit ) return SQLITE_NOMEM;
+          res = editdist1(pCur->zPattern, zTranslit, &iMatchlen);
+          sqlite3_free(zTranslit);
+          if( res<0 ) return SQLITE_NOMEM;
+          iMatchlen = translen_to_charlen(zWord, nWord, iMatchlen);
+        }else{
+          iMatchlen = utf8Charlen(zWord, nWord);
+        }
+      }
+
+      sqlite3_result_int(ctx, iMatchlen);
+      break;
+    }
+    case SPELLFIX_COL_PHONEHASH: {
+      sqlite3_result_text(ctx, pCur->a[pCur->iRow].zHash, -1, SQLITE_STATIC);
+      break;
+    }
+    case SPELLFIX_COL_TOP: {
       sqlite3_result_int(ctx, pCur->iTop);
       break;
     }
-    case 6: {
+    case SPELLFIX_COL_SCOPE: {
       sqlite3_result_int(ctx, pCur->iScope);
       break;
     }
-    case 7: {
+    case SPELLFIX_COL_SRCHCNT: {
       sqlite3_result_int(ctx, pCur->nSearch);
       break;
     }
@@ -1774,7 +2619,11 @@ static int spellfix1Column(sqlite3_vtab_cursor *cur, sqlite3_context *ctx, int i
 */
 static int spellfix1Rowid(sqlite3_vtab_cursor *cur, sqlite_int64 *pRowid){
   spellfix1_cursor *pCur = (spellfix1_cursor*)cur;
-  *pRowid = pCur->a[pCur->iRow].iRowid;
+  if( pCur->pFullScan ){
+    *pRowid = sqlite3_column_int64(pCur->pFullScan, 4);
+  }else{
+    *pRowid = pCur->a[pCur->iRow].iRowid;
+  }
   return SQLITE_OK;
 }
 
@@ -1799,20 +2648,37 @@ static int spellfix1Update(
                            " WHERE id=%lld",
                   p->zDbName, p->zTableName, rowid);
   }else{
-    const unsigned char *zWord = sqlite3_value_text(argv[2]);
-    int nWord = sqlite3_value_bytes(argv[2]);
-    int iLang = sqlite3_value_int(argv[5]);
-    int iRank = sqlite3_value_int(argv[3]);
-    const unsigned char *zSoundslike = sqlite3_value_text(argv[10]);
-    int nSoundslike = sqlite3_value_bytes(argv[10]);
+    const unsigned char *zWord = sqlite3_value_text(argv[SPELLFIX_COL_WORD+2]);
+    int nWord = sqlite3_value_bytes(argv[SPELLFIX_COL_WORD+2]);
+    int iLang = sqlite3_value_int(argv[SPELLFIX_COL_LANGID+2]);
+    int iRank = sqlite3_value_int(argv[SPELLFIX_COL_RANK+2]);
+    const unsigned char *zSoundslike =
+           sqlite3_value_text(argv[SPELLFIX_COL_SOUNDSLIKE+2]);
+    int nSoundslike = sqlite3_value_bytes(argv[SPELLFIX_COL_SOUNDSLIKE+2]);
     char *zK1, *zK2;
     int i;
     char c;
 
     if( zWord==0 ){
-      pVTab->zErrMsg = sqlite3_mprintf("%w.word may not be NULL",
-                            p->zTableName);
-      return SQLITE_CONSTRAINT;
+      /* Inserts of the form:  INSERT INTO table(command) VALUES('xyzzy');
+      ** cause zWord to be NULL, so we look at the "command" column to see
+      ** what special actions to take */
+      const char *zCmd = 
+         (const char*)sqlite3_value_text(argv[SPELLFIX_COL_COMMAND+2]);
+      if( zCmd==0 ){
+        pVTab->zErrMsg = sqlite3_mprintf("%s.word may not be NULL",
+                                         p->zTableName);
+        return SQLITE_CONSTRAINT;
+      }
+      if( strcmp(zCmd,"reset")==0 ){
+        /* Reset the  edit cost table (if there is one). */
+        editDist3ConfigDelete(p->pConfig3);
+        p->pConfig3 = 0;
+        return SQLITE_OK;
+      }
+      pVTab->zErrMsg = sqlite3_mprintf("unknown value for %s.command: \"%w\"",
+                                       p->zTableName, zCmd);
+      return SQLITE_ERROR;
     }
     if( iRank<1 ) iRank = 1;
     if( zSoundslike ){
@@ -1824,7 +2690,7 @@ static int spellfix1Update(
     for(i=0; (c = zK1[i])!=0; i++){
        if( c>='A' && c<='Z' ) zK1[i] += 'a' - 'A';
     }
-    zK2 = (char*)characterClassString((const unsigned char*)zK1, i);
+    zK2 = (char*)phoneticHash((const unsigned char*)zK1, i);
     if( zK2==0 ){
       sqlite3_free(zK1);
       return SQLITE_NOMEM;
@@ -1841,8 +2707,8 @@ static int spellfix1Update(
       rowid = sqlite3_value_int64(argv[0]);
       newRowid = *pRowid = sqlite3_value_int64(argv[1]);
       spellfix1DbExec(&rc, db,
-             "UPDATE \"%w\".\"%w_vocab\" SET id=%lld, rank=%d, lang=%d,"
-             " word=%Q, rank=%d, k1=%Q, k2=%Q WHERE id=%lld",
+             "UPDATE \"%w\".\"%w_vocab\" SET id=%lld, rank=%d, langid=%d,"
+             " word=%Q, k1=%Q, k2=%Q WHERE id=%lld",
              p->zDbName, p->zTableName, newRowid, iRank, iLang,
              zWord, zK1, zK2, rowid
       );
@@ -1871,6 +2737,8 @@ static int spellfix1Rename(sqlite3_vtab *pVTab, const char *zNew){
   if( rc==SQLITE_OK ){
     sqlite3_free(p->zTableName);
     p->zTableName = zNewName;
+  }else{
+    sqlite3_free(zNewName);
   }
   return rc;
 }
@@ -1906,24 +2774,35 @@ static sqlite3_module spellfix1Module = {
 ** Register the various functions and the virtual table.
 */
 static int spellfix1Register(sqlite3 *db){
-  int nErr = 0;
+  int rc = SQLITE_OK;
   int i;
-  nErr += sqlite3_create_function(db, "spellfix1_translit", 1, SQLITE_UTF8, 0,
+  rc = sqlite3_create_function(db, "spellfix1_translit", 1, SQLITE_UTF8, 0,
                                   transliterateSqlFunc, 0, 0);
-  nErr += sqlite3_create_function(db, "spellfix1_editdist", 2, SQLITE_UTF8, 0,
+  if( rc==SQLITE_OK ){
+    rc = sqlite3_create_function(db, "spellfix1_editdist", 2, SQLITE_UTF8, 0,
                                   editdistSqlFunc, 0, 0);
-  nErr += sqlite3_create_function(db, "spellfix1_charclass", 1, SQLITE_UTF8, 0,
-                                  characterClassSqlFunc, 0, 0);
-  nErr += sqlite3_create_function(db, "spellfix1_scriptcode", 1, SQLITE_UTF8, 0,
+  }
+  if( rc==SQLITE_OK ){
+    rc = sqlite3_create_function(db, "spellfix1_phonehash", 1, SQLITE_UTF8, 0,
+                                  phoneticHashSqlFunc, 0, 0);
+  }
+  if( rc==SQLITE_OK ){
+    rc = sqlite3_create_function(db, "spellfix1_scriptcode", 1, SQLITE_UTF8, 0,
                                   scriptCodeSqlFunc, 0, 0);
-  nErr += sqlite3_create_module(db, "spellfix1", &spellfix1Module, 0);
+  }
+  if( rc==SQLITE_OK ){
+    rc = sqlite3_create_module(db, "spellfix1", &spellfix1Module, 0);
+  }
+  if( rc==SQLITE_OK ){
+    rc = editDist3Install(db);
+  }
 
   /* Verify sanity of the translit[] table */
   for(i=0; i<sizeof(translit)/sizeof(translit[0])-1; i++){
     assert( translit[i].cFrom<translit[i+1].cFrom );
-  }  
+  }
 
-  return nErr ? SQLITE_ERROR : SQLITE_OK;
+  return rc;
 }
 
 #if SQLITE_CORE || defined(SQLITE_TEST)
diff --git a/src/test_vfs.c b/src/test_vfs.c
index d1c34a3..93c556b 100644
--- a/src/test_vfs.c
+++ b/src/test_vfs.c
@@ -81,6 +81,7 @@ struct Testvfs {
   Tcl_Obj *pScript;               /* Script to execute */
   TestvfsBuffer *pBuffer;         /* List of shared buffers */
   int isNoshm;
+  int isFullshm;
 
   int mask;                       /* Mask controlling [script] and [ioerr] */
 
@@ -360,7 +361,8 @@ static int tvfsWrite(
 
   if( p->pScript && p->mask&TESTVFS_WRITE_MASK ){
     tvfsExecTcl(p, "xWrite", 
-        Tcl_NewStringObj(pFd->zFilename, -1), pFd->pShmId, 0
+        Tcl_NewStringObj(pFd->zFilename, -1), pFd->pShmId, 
+        Tcl_NewWideIntObj(iOfst)
     );
     tvfsResultCode(p, &rc);
   }
@@ -760,6 +762,7 @@ static int tvfsShmOpen(sqlite3_file *pFile){
 
   pFd = tvfsGetFd(pFile);
   p = (Testvfs *)pFd->pVfs->pAppData;
+  assert( 0==p->isFullshm );
   assert( pFd->pShmId && pFd->pShm==0 && pFd->pNext==0 );
 
   /* Evaluate the Tcl script: 
@@ -820,6 +823,10 @@ static int tvfsShmMap(
   TestvfsFd *pFd = tvfsGetFd(pFile);
   Testvfs *p = (Testvfs *)(pFd->pVfs->pAppData);
 
+  if( p->isFullshm ){
+    return sqlite3OsShmMap(pFd->pReal, iPage, pgsz, isWrite, pp);
+  }
+
   if( 0==pFd->pShm ){
     rc = tvfsShmOpen(pFile);
     if( rc!=SQLITE_OK ){
@@ -864,6 +871,10 @@ static int tvfsShmLock(
   int nLock;
   char zLock[80];
 
+  if( p->isFullshm ){
+    return sqlite3OsShmLock(pFd->pReal, ofst, n, flags);
+  }
+
   if( p->pScript && p->mask&TESTVFS_SHMLOCK_MASK ){
     sqlite3_snprintf(sizeof(zLock), zLock, "%d %d", ofst, n);
     nLock = (int)strlen(zLock);
@@ -919,6 +930,11 @@ static void tvfsShmBarrier(sqlite3_file *pFile){
   TestvfsFd *pFd = tvfsGetFd(pFile);
   Testvfs *p = (Testvfs *)(pFd->pVfs->pAppData);
 
+  if( p->isFullshm ){
+    sqlite3OsShmBarrier(pFd->pReal);
+    return;
+  }
+
   if( p->pScript && p->mask&TESTVFS_SHMBARRIER_MASK ){
     tvfsExecTcl(p, "xShmBarrier", 
         Tcl_NewStringObj(pFd->pShm->zFile, -1), pFd->pShmId, 0
@@ -936,6 +952,10 @@ static int tvfsShmUnmap(
   TestvfsBuffer *pBuffer = pFd->pShm;
   TestvfsFd **ppFd;
 
+  if( p->isFullshm ){
+    return sqlite3OsShmUnmap(pFd->pReal, deleteFlag);
+  }
+
   if( !pBuffer ) return SQLITE_OK;
   assert( pFd->pShmId && pFd->pShm );
 
@@ -1350,6 +1370,7 @@ static int testvfs_cmd(
 
   int i;
   int isNoshm = 0;                /* True if -noshm is passed */
+  int isFullshm = 0;              /* True if -fullshm is passed */
   int isDefault = 0;              /* True if -default is passed */
   int szOsFile = 0;               /* Value passed to -szosfile */
   int mxPathname = -1;            /* Value passed to -mxpathname */
@@ -1365,6 +1386,7 @@ static int testvfs_cmd(
       if( Tcl_GetBooleanFromObj(interp, objv[i+1], &isNoshm) ){
         return TCL_ERROR;
       }
+      if( isNoshm ) isFullshm = 0;
     }
     else if( nSwitch>2 && 0==strncmp("-default", zSwitch, nSwitch) ){
       if( Tcl_GetBooleanFromObj(interp, objv[i+1], &isDefault) ){
@@ -1386,6 +1408,12 @@ static int testvfs_cmd(
         return TCL_ERROR;
       }
     }
+    else if( nSwitch>2 && 0==strncmp("-fullshm", zSwitch, nSwitch) ){
+      if( Tcl_GetBooleanFromObj(interp, objv[i+1], &isFullshm) ){
+        return TCL_ERROR;
+      }
+      if( isFullshm ) isNoshm = 0;
+    }
     else{
       goto bad_args;
     }
@@ -1427,6 +1455,7 @@ static int testvfs_cmd(
   pVfs->szOsFile = szOsFile;
   p->pVfs = pVfs;
   p->isNoshm = isNoshm;
+  p->isFullshm = isFullshm;
   p->mask = TESTVFS_ALL_MASK;
 
   sqlite3_vfs_register(pVfs, isDefault);
diff --git a/src/test_vfstrace.c b/src/test_vfstrace.c
index 3a0e2cf..d2f7455 100644
--- a/src/test_vfstrace.c
+++ b/src/test_vfstrace.c
@@ -45,7 +45,7 @@
 ** interprets VFS calls before passing them off to another VFS which does
 ** the actual work.  In this case the other VFS - the one that does the
 ** real work - is identified by the second parameter, zOldVfsName.  If
-** the the 2nd parameter is NULL then the default VFS is used.  The common
+** the 2nd parameter is NULL then the default VFS is used.  The common
 ** case is for the 2nd parameter to be NULL.
 **
 ** The third and fourth parameters are the pointer to the output function
diff --git a/src/trigger.c b/src/trigger.c
index 3c4bf62..8985ec6 100644
--- a/src/trigger.c
+++ b/src/trigger.c
@@ -111,7 +111,7 @@ void sqlite3BeginTrigger(
     iDb = 1;
     pName = pName1;
   }else{
-    /* Figure out the db that the the trigger will be created in */
+    /* Figure out the db that the trigger will be created in */
     iDb = sqlite3TwoPartName(pParse, pName1, pName2, &pName);
     if( iDb<0 ){
       goto trigger_cleanup;
diff --git a/src/update.c b/src/update.c
index 73d2269..96ba4df 100644
--- a/src/update.c
+++ b/src/update.c
@@ -313,7 +313,7 @@ void sqlite3Update(
   */
   sqlite3VdbeAddOp3(v, OP_Null, 0, regRowSet, regOldRowid);
   pWInfo = sqlite3WhereBegin(
-      pParse, pTabList, pWhere, 0, 0, WHERE_ONEPASS_DESIRED
+      pParse, pTabList, pWhere, 0, 0, WHERE_ONEPASS_DESIRED, 0
   );
   if( pWInfo==0 ) goto update_cleanup;
   okOnePass = pWInfo->okOnePass;
diff --git a/src/util.c b/src/util.c
index dd3b08a..5cf8eba 100644
--- a/src/util.c
+++ b/src/util.c
@@ -371,7 +371,7 @@ do_atof_calc:
     /* if exponent, scale significand as appropriate
     ** and store in result. */
     if( e ){
-      double scale = 1.0;
+      LONGDOUBLE_TYPE scale = 1.0;
       /* attempt to handle extremely small/large numbers better */
       if( e>307 && e<342 ){
         while( e%308 ) { scale *= 1.0e+1; e -= 1; }
diff --git a/src/vdbe.c b/src/vdbe.c
index 19c0255..1a3c412 100644
--- a/src/vdbe.c
+++ b/src/vdbe.c
@@ -656,7 +656,7 @@ int sqlite3VdbeExec(
     }
 #endif
 
-    /* On any opcode with the "out2-prerelase" tag, free any
+    /* On any opcode with the "out2-prerelease" tag, free any
     ** external allocations out of mem[p2] and set mem[p2] to be
     ** an undefined integer.  Opcodes will either fill in the integer
     ** value or convert mem[p2] to a different type.
@@ -3120,6 +3120,9 @@ case OP_OpenWrite: {
   VdbeCursor *pCur;
   Db *pDb;
 
+  assert( (pOp->p5&(OPFLAG_P2ISREG|OPFLAG_BULKCSR))==pOp->p5 );
+  assert( pOp->opcode==OP_OpenWrite || pOp->p5==0 );
+
   if( p->expired ){
     rc = SQLITE_ABORT;
     break;
@@ -3143,7 +3146,7 @@ case OP_OpenWrite: {
   }else{
     wrFlag = 0;
   }
-  if( pOp->p5 ){
+  if( pOp->p5 & OPFLAG_P2ISREG ){
     assert( p2>0 );
     assert( p2<=p->nMem );
     pIn2 = &aMem[p2];
@@ -3174,6 +3177,8 @@ case OP_OpenWrite: {
   pCur->isOrdered = 1;
   rc = sqlite3BtreeCursor(pX, p2, wrFlag, pKeyInfo, pCur->pCursor);
   pCur->pKeyInfo = pKeyInfo;
+  assert( OPFLAG_BULKCSR==BTREE_BULKLOAD );
+  sqlite3BtreeCursorHints(pCur->pCursor, (pOp->p5 & OPFLAG_BULKCSR));
 
   /* Since it performs no memory allocation or IO, the only value that
   ** sqlite3BtreeCursor() may return is SQLITE_OK. */
diff --git a/src/vdbeInt.h b/src/vdbeInt.h
index 9c1af35..1f5694a 100644
--- a/src/vdbeInt.h
+++ b/src/vdbeInt.h
@@ -431,11 +431,11 @@ int sqlite3VdbeTransferError(Vdbe *p);
 #else
 int sqlite3VdbeSorterInit(sqlite3 *, VdbeCursor *);
 void sqlite3VdbeSorterClose(sqlite3 *, VdbeCursor *);
-int sqlite3VdbeSorterRowkey(VdbeCursor *, Mem *);
-int sqlite3VdbeSorterNext(sqlite3 *, VdbeCursor *, int *);
-int sqlite3VdbeSorterRewind(sqlite3 *, VdbeCursor *, int *);
-int sqlite3VdbeSorterWrite(sqlite3 *, VdbeCursor *, Mem *);
-int sqlite3VdbeSorterCompare(VdbeCursor *, Mem *, int *);
+int sqlite3VdbeSorterRowkey(const VdbeCursor *, Mem *);
+int sqlite3VdbeSorterNext(sqlite3 *, const VdbeCursor *, int *);
+int sqlite3VdbeSorterRewind(sqlite3 *, const VdbeCursor *, int *);
+int sqlite3VdbeSorterWrite(sqlite3 *, const VdbeCursor *, Mem *);
+int sqlite3VdbeSorterCompare(const VdbeCursor *, Mem *, int *);
 #endif
 
 #if !defined(SQLITE_OMIT_SHARED_CACHE) && SQLITE_THREADSAFE>0
diff --git a/src/vdbeapi.c b/src/vdbeapi.c
index 94db205..b9a88a6 100644
--- a/src/vdbeapi.c
+++ b/src/vdbeapi.c
@@ -71,17 +71,11 @@ int sqlite3_finalize(sqlite3_stmt *pStmt){
   }else{
     Vdbe *v = (Vdbe*)pStmt;
     sqlite3 *db = v->db;
-#if SQLITE_THREADSAFE
-    sqlite3_mutex *mutex;
-#endif
     if( vdbeSafety(v) ) return SQLITE_MISUSE_BKPT;
-#if SQLITE_THREADSAFE
-    mutex = v->db->mutex;
-#endif
-    sqlite3_mutex_enter(mutex);
+    sqlite3_mutex_enter(db->mutex);
     rc = sqlite3VdbeFinalize(v);
     rc = sqlite3ApiExit(db, rc);
-    sqlite3_mutex_leave(mutex);
+    sqlite3LeaveMutexAndCloseZombie(db);
   }
   return rc;
 }
diff --git a/src/vdbeaux.c b/src/vdbeaux.c
index caa2bf6..d4f9864 100644
--- a/src/vdbeaux.c
+++ b/src/vdbeaux.c
@@ -774,7 +774,7 @@ void sqlite3VdbeChangeP4(Vdbe *p, int addr, const char *zP4, int n){
 
 #ifndef NDEBUG
 /*
-** Change the comment on the the most recently coded instruction.  Or
+** Change the comment on the most recently coded instruction.  Or
 ** insert a No-op and add the comment to that new instruction.  This
 ** makes the code easier to read during debugging.  None of this happens
 ** in a production build.
@@ -2469,6 +2469,7 @@ void sqlite3VdbeDelete(Vdbe *p){
 
   if( NEVER(p==0) ) return;
   db = p->db;
+  assert( sqlite3_mutex_held(db->mutex) );
   if( p->pPrev ){
     p->pPrev->pNext = p->pNext;
   }else{
diff --git a/src/vdbesort.c b/src/vdbesort.c
index afea1f5..ba1e9f0 100644
--- a/src/vdbesort.c
+++ b/src/vdbesort.c
@@ -22,6 +22,7 @@
 
 typedef struct VdbeSorterIter VdbeSorterIter;
 typedef struct SorterRecord SorterRecord;
+typedef struct FileWriter FileWriter;
 
 /*
 ** NOTES ON DATA STRUCTURE USED FOR N-WAY MERGES:
@@ -119,6 +120,24 @@ struct VdbeSorterIter {
   sqlite3_file *pFile;            /* File iterator is reading from */
   u8 *aAlloc;                     /* Allocated space */
   u8 *aKey;                       /* Pointer to current key */
+  u8 *aBuffer;                    /* Current read buffer */
+  int nBuffer;                    /* Size of read buffer in bytes */
+};
+
+/*
+** An instance of this structure is used to organize the stream of records
+** being written to files by the merge-sort code into aligned, page-sized
+** blocks.  Doing all I/O in aligned page-sized blocks helps I/O to go
+** faster on many operating systems.
+*/
+struct FileWriter {
+  int eFWErr;                     /* Non-zero if in an error state */
+  u8 *aBuffer;                    /* Pointer to write buffer */
+  int nBuffer;                    /* Size of write buffer in bytes */
+  int iBufStart;                  /* First byte of buffer to write */
+  int iBufEnd;                    /* Last byte of buffer to write */
+  i64 iWriteOff;                  /* Offset of start of buffer in file */
+  sqlite3_file *pFile;            /* File to write to */
 };
 
 /*
@@ -144,9 +163,123 @@ struct SorterRecord {
 */
 static void vdbeSorterIterZero(sqlite3 *db, VdbeSorterIter *pIter){
   sqlite3DbFree(db, pIter->aAlloc);
+  sqlite3DbFree(db, pIter->aBuffer);
   memset(pIter, 0, sizeof(VdbeSorterIter));
 }
 
+/*
+** Read nByte bytes of data from the stream of data iterated by object p.
+** If successful, set *ppOut to point to a buffer containing the data
+** and return SQLITE_OK. Otherwise, if an error occurs, return an SQLite
+** error code.
+**
+** The buffer indicated by *ppOut may only be considered valid until the
+** next call to this function.
+*/
+static int vdbeSorterIterRead(
+  sqlite3 *db,                    /* Database handle (for malloc) */
+  VdbeSorterIter *p,              /* Iterator */
+  int nByte,                      /* Bytes of data to read */
+  u8 **ppOut                      /* OUT: Pointer to buffer containing data */
+){
+  int iBuf;                       /* Offset within buffer to read from */
+  int nAvail;                     /* Bytes of data available in buffer */
+  assert( p->aBuffer );
+
+  /* If there is no more data to be read from the buffer, read the next 
+  ** p->nBuffer bytes of data from the file into it. Or, if there are less
+  ** than p->nBuffer bytes remaining in the PMA, read all remaining data.  */
+  iBuf = p->iReadOff % p->nBuffer;
+  if( iBuf==0 ){
+    int nRead;                    /* Bytes to read from disk */
+    int rc;                       /* sqlite3OsRead() return code */
+
+    /* Determine how many bytes of data to read. */
+    nRead = (int)(p->iEof - p->iReadOff);
+    if( nRead>p->nBuffer ) nRead = p->nBuffer;
+    assert( nRead>0 );
+
+    /* Read data from the file. Return early if an error occurs. */
+    rc = sqlite3OsRead(p->pFile, p->aBuffer, nRead, p->iReadOff);
+    assert( rc!=SQLITE_IOERR_SHORT_READ );
+    if( rc!=SQLITE_OK ) return rc;
+  }
+  nAvail = p->nBuffer - iBuf; 
+
+  if( nByte<=nAvail ){
+    /* The requested data is available in the in-memory buffer. In this
+    ** case there is no need to make a copy of the data, just return a 
+    ** pointer into the buffer to the caller.  */
+    *ppOut = &p->aBuffer[iBuf];
+    p->iReadOff += nByte;
+  }else{
+    /* The requested data is not all available in the in-memory buffer.
+    ** In this case, allocate space at p->aAlloc[] to copy the requested
+    ** range into. Then return a copy of pointer p->aAlloc to the caller.  */
+    int nRem;                     /* Bytes remaining to copy */
+
+    /* Extend the p->aAlloc[] allocation if required. */
+    if( p->nAlloc<nByte ){
+      int nNew = p->nAlloc*2;
+      while( nByte>nNew ) nNew = nNew*2;
+      p->aAlloc = sqlite3DbReallocOrFree(db, p->aAlloc, nNew);
+      if( !p->aAlloc ) return SQLITE_NOMEM;
+      p->nAlloc = nNew;
+    }
+
+    /* Copy as much data as is available in the buffer into the start of
+    ** p->aAlloc[].  */
+    memcpy(p->aAlloc, &p->aBuffer[iBuf], nAvail);
+    p->iReadOff += nAvail;
+    nRem = nByte - nAvail;
+
+    /* The following loop copies up to p->nBuffer bytes per iteration into
+    ** the p->aAlloc[] buffer.  */
+    while( nRem>0 ){
+      int rc;                     /* vdbeSorterIterRead() return code */
+      int nCopy;                  /* Number of bytes to copy */
+      u8 *aNext;                  /* Pointer to buffer to copy data from */
+
+      nCopy = nRem;
+      if( nRem>p->nBuffer ) nCopy = p->nBuffer;
+      rc = vdbeSorterIterRead(db, p, nCopy, &aNext);
+      if( rc!=SQLITE_OK ) return rc;
+      assert( aNext!=p->aAlloc );
+      memcpy(&p->aAlloc[nByte - nRem], aNext, nCopy);
+      nRem -= nCopy;
+    }
+
+    *ppOut = p->aAlloc;
+  }
+
+  return SQLITE_OK;
+}
+
+/*
+** Read a varint from the stream of data accessed by p. Set *pnOut to
+** the value read.
+*/
+static int vdbeSorterIterVarint(sqlite3 *db, VdbeSorterIter *p, u64 *pnOut){
+  int iBuf;
+
+  iBuf = p->iReadOff % p->nBuffer;
+  if( iBuf && (p->nBuffer-iBuf)>=9 ){
+    p->iReadOff += sqlite3GetVarint(&p->aBuffer[iBuf], pnOut);
+  }else{
+    u8 aVarint[16], *a;
+    int i = 0, rc;
+    do{
+      rc = vdbeSorterIterRead(db, p, 1, &a);
+      if( rc ) return rc;
+      aVarint[(i++)&0xf] = a[0];
+    }while( (a[0]&0x80)!=0 );
+    sqlite3GetVarint(aVarint, pnOut);
+  }
+
+  return SQLITE_OK;
+}
+
+
 /*
 ** Advance iterator pIter to the next key in its PMA. Return SQLITE_OK if
 ** no error occurs, or an SQLite error code if one does.
@@ -156,96 +289,18 @@ static int vdbeSorterIterNext(
   VdbeSorterIter *pIter           /* Iterator to advance */
 ){
   int rc;                         /* Return Code */
-  int nRead;                      /* Number of bytes read */
-  int nRec = 0;                   /* Size of record in bytes */
-  int iOff = 0;                   /* Size of serialized size varint in bytes */
+  u64 nRec = 0;                   /* Size of record in bytes */
 
-  assert( pIter->iEof>=pIter->iReadOff );
-  if( pIter->iEof-pIter->iReadOff>5 ){
-    nRead = 5;
-  }else{
-    nRead = (int)(pIter->iEof - pIter->iReadOff);
-  }
-  if( nRead<=0 ){
+  if( pIter->iReadOff>=pIter->iEof ){
     /* This is an EOF condition */
     vdbeSorterIterZero(db, pIter);
     return SQLITE_OK;
   }
 
-  rc = sqlite3OsRead(pIter->pFile, pIter->aAlloc, nRead, pIter->iReadOff);
+  rc = vdbeSorterIterVarint(db, pIter, &nRec);
   if( rc==SQLITE_OK ){
-    iOff = getVarint32(pIter->aAlloc, nRec);
-    if( (iOff+nRec)>nRead ){
-      int nRead2;                   /* Number of extra bytes to read */
-      if( (iOff+nRec)>pIter->nAlloc ){
-        int nNew = pIter->nAlloc*2;
-        while( (iOff+nRec)>nNew ) nNew = nNew*2;
-        pIter->aAlloc = sqlite3DbReallocOrFree(db, pIter->aAlloc, nNew);
-        if( !pIter->aAlloc ) return SQLITE_NOMEM;
-        pIter->nAlloc = nNew;
-      }
-  
-      nRead2 = iOff + nRec - nRead;
-      rc = sqlite3OsRead(
-          pIter->pFile, &pIter->aAlloc[nRead], nRead2, pIter->iReadOff+nRead
-      );
-    }
-  }
-
-  assert( rc!=SQLITE_OK || nRec>0 );
-  pIter->iReadOff += iOff+nRec;
-  pIter->nKey = nRec;
-  pIter->aKey = &pIter->aAlloc[iOff];
-  return rc;
-}
-
-/*
-** Write a single varint, value iVal, to file-descriptor pFile. Return
-** SQLITE_OK if successful, or an SQLite error code if some error occurs.
-**
-** The value of *piOffset when this function is called is used as the byte
-** offset in file pFile to write to. Before returning, *piOffset is 
-** incremented by the number of bytes written.
-*/
-static int vdbeSorterWriteVarint(
-  sqlite3_file *pFile,            /* File to write to */
-  i64 iVal,                       /* Value to write as a varint */
-  i64 *piOffset                   /* IN/OUT: Write offset in file pFile */
-){
-  u8 aVarint[9];                  /* Buffer large enough for a varint */
-  int nVarint;                    /* Number of used bytes in varint */
-  int rc;                         /* Result of write() call */
-
-  nVarint = sqlite3PutVarint(aVarint, iVal);
-  rc = sqlite3OsWrite(pFile, aVarint, nVarint, *piOffset);
-  *piOffset += nVarint;
-
-  return rc;
-}
-
-/*
-** Read a single varint from file-descriptor pFile. Return SQLITE_OK if
-** successful, or an SQLite error code if some error occurs.
-**
-** The value of *piOffset when this function is called is used as the
-** byte offset in file pFile from whence to read the varint. If successful
-** (i.e. if no IO error occurs), then *piOffset is set to the offset of
-** the first byte past the end of the varint before returning. *piVal is
-** set to the integer value read. If an error occurs, the final values of
-** both *piOffset and *piVal are undefined.
-*/
-static int vdbeSorterReadVarint(
-  sqlite3_file *pFile,            /* File to read from */
-  i64 *piOffset,                  /* IN/OUT: Read offset in pFile */
-  i64 *piVal                      /* OUT: Value read from file */
-){
-  u8 aVarint[9];                  /* Buffer large enough for a varint */
-  i64 iOff = *piOffset;           /* Offset in file to read from */
-  int rc;                         /* Return code */
-
-  rc = sqlite3OsRead(pFile, aVarint, 9, iOff);
-  if( rc==SQLITE_OK ){
-    *piOffset += getVarint(aVarint, (u64 *)piVal);
+    pIter->nKey = (int)nRec;
+    rc = vdbeSorterIterRead(db, pIter, (int)nRec, &pIter->aKey);
   }
 
   return rc;
@@ -259,27 +314,52 @@ static int vdbeSorterReadVarint(
 */
 static int vdbeSorterIterInit(
   sqlite3 *db,                    /* Database handle */
-  VdbeSorter *pSorter,            /* Sorter object */
+  const VdbeSorter *pSorter,      /* Sorter object */
   i64 iStart,                     /* Start offset in pFile */
   VdbeSorterIter *pIter,          /* Iterator to populate */
   i64 *pnByte                     /* IN/OUT: Increment this value by PMA size */
 ){
-  int rc;
+  int rc = SQLITE_OK;
+  int nBuf;
+
+  nBuf = sqlite3BtreeGetPageSize(db->aDb[0].pBt);
 
   assert( pSorter->iWriteOff>iStart );
   assert( pIter->aAlloc==0 );
+  assert( pIter->aBuffer==0 );
   pIter->pFile = pSorter->pTemp1;
   pIter->iReadOff = iStart;
   pIter->nAlloc = 128;
   pIter->aAlloc = (u8 *)sqlite3DbMallocRaw(db, pIter->nAlloc);
-  if( !pIter->aAlloc ){
+  pIter->nBuffer = nBuf;
+  pIter->aBuffer = (u8 *)sqlite3DbMallocRaw(db, nBuf);
+
+  if( !pIter->aBuffer ){
     rc = SQLITE_NOMEM;
   }else{
-    i64 nByte;                         /* Total size of PMA in bytes */
-    rc = vdbeSorterReadVarint(pSorter->pTemp1, &pIter->iReadOff, &nByte);
-    *pnByte += nByte;
-    pIter->iEof = pIter->iReadOff + nByte;
+    int iBuf;
+
+    iBuf = iStart % nBuf;
+    if( iBuf ){
+      int nRead = nBuf - iBuf;
+      if( (iStart + nRead) > pSorter->iWriteOff ){
+        nRead = (int)(pSorter->iWriteOff - iStart);
+      }
+      rc = sqlite3OsRead(
+          pSorter->pTemp1, &pIter->aBuffer[iBuf], nRead, iStart
+      );
+      assert( rc!=SQLITE_IOERR_SHORT_READ );
+    }
+
+    if( rc==SQLITE_OK ){
+      u64 nByte;                       /* Size of PMA in bytes */
+      pIter->iEof = pSorter->iWriteOff;
+      rc = vdbeSorterIterVarint(db, pIter, &nByte);
+      pIter->iEof = pIter->iReadOff + nByte;
+      *pnByte += nByte;
+    }
   }
+
   if( rc==SQLITE_OK ){
     rc = vdbeSorterIterNext(db, pIter);
   }
@@ -303,10 +383,10 @@ static int vdbeSorterIterInit(
 ** has been allocated and contains an unpacked record that is used as key2.
 */
 static void vdbeSorterCompare(
-  VdbeCursor *pCsr,               /* Cursor object (for pKeyInfo) */
+  const VdbeCursor *pCsr,         /* Cursor object (for pKeyInfo) */
   int bOmitRowid,                 /* Ignore rowid field at end of keys */
-  void *pKey1, int nKey1,         /* Left side of comparison */
-  void *pKey2, int nKey2,         /* Right side of comparison */
+  const void *pKey1, int nKey1,   /* Left side of comparison */
+  const void *pKey2, int nKey2,   /* Right side of comparison */
   int *pRes                       /* OUT: Result of comparison */
 ){
   KeyInfo *pKeyInfo = pCsr->pKeyInfo;
@@ -338,7 +418,7 @@ static void vdbeSorterCompare(
 ** multiple b-tree segments. Parameter iOut is the index of the aTree[] 
 ** value to recalculate.
 */
-static int vdbeSorterDoCompare(VdbeCursor *pCsr, int iOut){
+static int vdbeSorterDoCompare(const VdbeCursor *pCsr, int iOut){
   VdbeSorter *pSorter = pCsr->pSorter;
   int i1;
   int i2;
@@ -464,7 +544,7 @@ static int vdbeSorterOpenTempFile(sqlite3 *db, sqlite3_file **ppFile){
 ** Set *ppOut to the head of the new list.
 */
 static void vdbeSorterMerge(
-  VdbeCursor *pCsr,               /* For pKeyInfo */
+  const VdbeCursor *pCsr,         /* For pKeyInfo */
   SorterRecord *p1,               /* First list to merge */
   SorterRecord *p2,               /* Second list to merge */
   SorterRecord **ppOut            /* OUT: Head of merged list */
@@ -498,7 +578,7 @@ static void vdbeSorterMerge(
 ** if successful, or an SQLite error code (i.e. SQLITE_NOMEM) if an error
 ** occurs.
 */
-static int vdbeSorterSort(VdbeCursor *pCsr){
+static int vdbeSorterSort(const VdbeCursor *pCsr){
   int i;
   SorterRecord **aSlot;
   SorterRecord *p;
@@ -531,6 +611,91 @@ static int vdbeSorterSort(VdbeCursor *pCsr){
   return SQLITE_OK;
 }
 
+/*
+** Initialize a file-writer object.
+*/
+static void fileWriterInit(
+  sqlite3 *db,                    /* Database (for malloc) */
+  sqlite3_file *pFile,            /* File to write to */
+  FileWriter *p,                  /* Object to populate */
+  i64 iStart                      /* Offset of pFile to begin writing at */
+){
+  int nBuf = sqlite3BtreeGetPageSize(db->aDb[0].pBt);
+
+  memset(p, 0, sizeof(FileWriter));
+  p->aBuffer = (u8 *)sqlite3DbMallocRaw(db, nBuf);
+  if( !p->aBuffer ){
+    p->eFWErr = SQLITE_NOMEM;
+  }else{
+    p->iBufEnd = p->iBufStart = (iStart % nBuf);
+    p->iWriteOff = iStart - p->iBufStart;
+    p->nBuffer = nBuf;
+    p->pFile = pFile;
+  }
+}
+
+/*
+** Write nData bytes of data to the file-write object. Return SQLITE_OK
+** if successful, or an SQLite error code if an error occurs.
+*/
+static void fileWriterWrite(FileWriter *p, u8 *pData, int nData){
+  int nRem = nData;
+  while( nRem>0 && p->eFWErr==0 ){
+    int nCopy = nRem;
+    if( nCopy>(p->nBuffer - p->iBufEnd) ){
+      nCopy = p->nBuffer - p->iBufEnd;
+    }
+
+    memcpy(&p->aBuffer[p->iBufEnd], &pData[nData-nRem], nCopy);
+    p->iBufEnd += nCopy;
+    if( p->iBufEnd==p->nBuffer ){
+      p->eFWErr = sqlite3OsWrite(p->pFile, 
+          &p->aBuffer[p->iBufStart], p->iBufEnd - p->iBufStart, 
+          p->iWriteOff + p->iBufStart
+      );
+      p->iBufStart = p->iBufEnd = 0;
+      p->iWriteOff += p->nBuffer;
+    }
+    assert( p->iBufEnd<p->nBuffer );
+
+    nRem -= nCopy;
+  }
+}
+
+/*
+** Flush any buffered data to disk and clean up the file-writer object.
+** The results of using the file-writer after this call are undefined.
+** Return SQLITE_OK if flushing the buffered data succeeds or is not 
+** required. Otherwise, return an SQLite error code.
+**
+** Before returning, set *piEof to the offset immediately following the
+** last byte written to the file.
+*/
+static int fileWriterFinish(sqlite3 *db, FileWriter *p, i64 *piEof){
+  int rc;
+  if( p->eFWErr==0 && ALWAYS(p->aBuffer) && p->iBufEnd>p->iBufStart ){
+    p->eFWErr = sqlite3OsWrite(p->pFile, 
+        &p->aBuffer[p->iBufStart], p->iBufEnd - p->iBufStart, 
+        p->iWriteOff + p->iBufStart
+    );
+  }
+  *piEof = (p->iWriteOff + p->iBufEnd);
+  sqlite3DbFree(db, p->aBuffer);
+  rc = p->eFWErr;
+  memset(p, 0, sizeof(FileWriter));
+  return rc;
+}
+
+/*
+** Write value iVal encoded as a varint to the file-write object. Return 
+** SQLITE_OK if successful, or an SQLite error code if an error occurs.
+*/
+static void fileWriterWriteVarint(FileWriter *p, u64 iVal){
+  int nByte; 
+  u8 aByte[10];
+  nByte = sqlite3PutVarint(aByte, iVal);
+  fileWriterWrite(p, aByte, nByte);
+}
 
 /*
 ** Write the current contents of the in-memory linked-list to a PMA. Return
@@ -545,9 +710,12 @@ static int vdbeSorterSort(VdbeCursor *pCsr){
 **       Each record consists of a varint followed by a blob of data (the 
 **       key). The varint is the number of bytes in the blob of data.
 */
-static int vdbeSorterListToPMA(sqlite3 *db, VdbeCursor *pCsr){
+static int vdbeSorterListToPMA(sqlite3 *db, const VdbeCursor *pCsr){
   int rc = SQLITE_OK;             /* Return code */
   VdbeSorter *pSorter = pCsr->pSorter;
+  FileWriter writer;
+
+  memset(&writer, 0, sizeof(FileWriter));
 
   if( pSorter->nInMemory==0 ){
     assert( pSorter->pRecord==0 );
@@ -565,39 +733,20 @@ static int vdbeSorterListToPMA(sqlite3 *db, VdbeCursor *pCsr){
   }
 
   if( rc==SQLITE_OK ){
-    i64 iOff = pSorter->iWriteOff;
     SorterRecord *p;
     SorterRecord *pNext = 0;
-    static const char eightZeros[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
 
+    fileWriterInit(db, pSorter->pTemp1, &writer, pSorter->iWriteOff);
     pSorter->nPMA++;
-    rc = vdbeSorterWriteVarint(pSorter->pTemp1, pSorter->nInMemory, &iOff);
-    for(p=pSorter->pRecord; rc==SQLITE_OK && p; p=pNext){
+    fileWriterWriteVarint(&writer, pSorter->nInMemory);
+    for(p=pSorter->pRecord; p; p=pNext){
       pNext = p->pNext;
-      rc = vdbeSorterWriteVarint(pSorter->pTemp1, p->nVal, &iOff);
-
-      if( rc==SQLITE_OK ){
-        rc = sqlite3OsWrite(pSorter->pTemp1, p->pVal, p->nVal, iOff);
-        iOff += p->nVal;
-      }
-
+      fileWriterWriteVarint(&writer, p->nVal);
+      fileWriterWrite(&writer, p->pVal, p->nVal);
       sqlite3DbFree(db, p);
     }
-
-    /* This assert verifies that unless an error has occurred, the size of 
-    ** the PMA on disk is the same as the expected size stored in
-    ** pSorter->nInMemory. */ 
-    assert( rc!=SQLITE_OK || pSorter->nInMemory==(
-          iOff-pSorter->iWriteOff-sqlite3VarintLen(pSorter->nInMemory)
-    ));
-
-    pSorter->iWriteOff = iOff;
-    if( rc==SQLITE_OK ){
-      /* Terminate each file with 8 extra bytes so that from any offset
-      ** in the file we can always read 9 bytes without a SHORT_READ error */
-      rc = sqlite3OsWrite(pSorter->pTemp1, eightZeros, 8, iOff);
-    }
     pSorter->pRecord = p;
+    rc = fileWriterFinish(db, &writer, &pSorter->iWriteOff);
   }
 
   return rc;
@@ -608,7 +757,7 @@ static int vdbeSorterListToPMA(sqlite3 *db, VdbeCursor *pCsr){
 */
 int sqlite3VdbeSorterWrite(
   sqlite3 *db,                    /* Database handle */
-  VdbeCursor *pCsr,               /* Sorter cursor */
+  const VdbeCursor *pCsr,               /* Sorter cursor */
   Mem *pVal                       /* Memory cell containing record */
 ){
   VdbeSorter *pSorter = pCsr->pSorter;
@@ -642,8 +791,14 @@ int sqlite3VdbeSorterWrite(
         (pSorter->nInMemory>pSorter->mxPmaSize)
      || (pSorter->nInMemory>pSorter->mnPmaSize && sqlite3HeapNearlyFull())
   )){
+#ifdef SQLITE_DEBUG
+    i64 nExpect = pSorter->iWriteOff
+                + sqlite3VarintLen(pSorter->nInMemory)
+                + pSorter->nInMemory;
+#endif
     rc = vdbeSorterListToPMA(db, pCsr);
     pSorter->nInMemory = 0;
+    assert( rc!=SQLITE_OK || (nExpect==pSorter->iWriteOff) );
   }
 
   return rc;
@@ -654,7 +809,7 @@ int sqlite3VdbeSorterWrite(
 */
 static int vdbeSorterInitMerge(
   sqlite3 *db,                    /* Database handle */
-  VdbeCursor *pCsr,               /* Cursor handle for this sorter */
+  const VdbeCursor *pCsr,         /* Cursor handle for this sorter */
   i64 *pnByte                     /* Sum of bytes in all opened PMAs */
 ){
   VdbeSorter *pSorter = pCsr->pSorter;
@@ -684,7 +839,7 @@ static int vdbeSorterInitMerge(
 ** Once the sorter has been populated, this function is called to prepare
 ** for iterating through its contents in sorted order.
 */
-int sqlite3VdbeSorterRewind(sqlite3 *db, VdbeCursor *pCsr, int *pbEof){
+int sqlite3VdbeSorterRewind(sqlite3 *db, const VdbeCursor *pCsr, int *pbEof){
   VdbeSorter *pSorter = pCsr->pSorter;
   int rc;                         /* Return code */
   sqlite3_file *pTemp2 = 0;       /* Second temp file to use */
@@ -704,7 +859,7 @@ int sqlite3VdbeSorterRewind(sqlite3 *db, VdbeCursor *pCsr, int *pbEof){
     return vdbeSorterSort(pCsr);
   }
 
-  /* Write the current b-tree to a PMA. Close the b-tree cursor. */
+  /* Write the current in-memory list to a PMA. */
   rc = vdbeSorterListToPMA(db, pCsr);
   if( rc!=SQLITE_OK ) return rc;
 
@@ -726,8 +881,12 @@ int sqlite3VdbeSorterRewind(sqlite3 *db, VdbeCursor *pCsr, int *pbEof){
         rc==SQLITE_OK && iNew*SORTER_MAX_MERGE_COUNT<pSorter->nPMA; 
         iNew++
     ){
+      int rc2;                    /* Return code from fileWriterFinish() */
+      FileWriter writer;          /* Object used to write to disk */
       i64 nWrite;                 /* Number of bytes in new PMA */
 
+      memset(&writer, 0, sizeof(FileWriter));
+
       /* If there are SORTER_MAX_MERGE_COUNT or less PMAs in file pTemp1,
       ** initialize an iterator for each of them and break out of the loop.
       ** These iterators will be incrementally merged as the VDBE layer calls
@@ -749,23 +908,20 @@ int sqlite3VdbeSorterRewind(sqlite3 *db, VdbeCursor *pCsr, int *pbEof){
         rc = vdbeSorterOpenTempFile(db, &pTemp2);
       }
 
-      if( rc==SQLITE_OK ){
-        rc = vdbeSorterWriteVarint(pTemp2, nWrite, &iWrite2);
-      }
-
       if( rc==SQLITE_OK ){
         int bEof = 0;
+        fileWriterInit(db, pTemp2, &writer, iWrite2);
+        fileWriterWriteVarint(&writer, nWrite);
         while( rc==SQLITE_OK && bEof==0 ){
-          int nToWrite;
           VdbeSorterIter *pIter = &pSorter->aIter[ pSorter->aTree[1] ];
           assert( pIter->pFile );
-          nToWrite = pIter->nKey + sqlite3VarintLen(pIter->nKey);
-          rc = sqlite3OsWrite(pTemp2, pIter->aAlloc, nToWrite, iWrite2);
-          iWrite2 += nToWrite;
-          if( rc==SQLITE_OK ){
-            rc = sqlite3VdbeSorterNext(db, pCsr, &bEof);
-          }
+
+          fileWriterWriteVarint(&writer, pIter->nKey);
+          fileWriterWrite(&writer, pIter->aKey, pIter->nKey);
+          rc = sqlite3VdbeSorterNext(db, pCsr, &bEof);
         }
+        rc2 = fileWriterFinish(db, &writer, &iWrite2);
+        if( rc==SQLITE_OK ) rc = rc2;
       }
     }
 
@@ -792,7 +948,7 @@ int sqlite3VdbeSorterRewind(sqlite3 *db, VdbeCursor *pCsr, int *pbEof){
 /*
 ** Advance to the next element in the sorter.
 */
-int sqlite3VdbeSorterNext(sqlite3 *db, VdbeCursor *pCsr, int *pbEof){
+int sqlite3VdbeSorterNext(sqlite3 *db, const VdbeCursor *pCsr, int *pbEof){
   VdbeSorter *pSorter = pCsr->pSorter;
   int rc;                         /* Return code */
 
@@ -822,7 +978,7 @@ int sqlite3VdbeSorterNext(sqlite3 *db, VdbeCursor *pCsr, int *pbEof){
 ** current key.
 */
 static void *vdbeSorterRowkey(
-  VdbeSorter *pSorter,            /* Sorter object */
+  const VdbeSorter *pSorter,      /* Sorter object */
   int *pnKey                      /* OUT: Size of current key in bytes */
 ){
   void *pKey;
@@ -841,7 +997,7 @@ static void *vdbeSorterRowkey(
 /*
 ** Copy the current sorter key into the memory cell pOut.
 */
-int sqlite3VdbeSorterRowkey(VdbeCursor *pCsr, Mem *pOut){
+int sqlite3VdbeSorterRowkey(const VdbeCursor *pCsr, Mem *pOut){
   VdbeSorter *pSorter = pCsr->pSorter;
   void *pKey; int nKey;           /* Sorter key to copy into pOut */
 
@@ -867,7 +1023,7 @@ int sqlite3VdbeSorterRowkey(VdbeCursor *pCsr, Mem *pOut){
 ** key.
 */
 int sqlite3VdbeSorterCompare(
-  VdbeCursor *pCsr,               /* Sorter cursor */
+  const VdbeCursor *pCsr,         /* Sorter cursor */
   Mem *pVal,                      /* Value to compare to current sorter key */
   int *pRes                       /* OUT: Result of comparison */
 ){
diff --git a/src/vdbetrace.c b/src/vdbetrace.c
index c71a7c4..35825c8 100644
--- a/src/vdbetrace.c
+++ b/src/vdbetrace.c
@@ -169,9 +169,8 @@ void sqlite3ExplainBegin(Vdbe *pVdbe){
   if( pVdbe ){
     Explain *p;
     sqlite3BeginBenignMalloc();
-    p = sqlite3_malloc( sizeof(Explain) );
+    p = (Explain *)sqlite3MallocZero( sizeof(Explain) );
     if( p ){
-      memset(p, 0, sizeof(*p));
       p->pVdbe = pVdbe;
       sqlite3_free(pVdbe->pExplain);
       pVdbe->pExplain = p;
diff --git a/src/vtab.c b/src/vtab.c
index 0e082a0..50d576f 100644
--- a/src/vtab.c
+++ b/src/vtab.c
@@ -131,7 +131,7 @@ void sqlite3VtabUnlock(VTable *pVTab){
 
   assert( db );
   assert( pVTab->nRef>0 );
-  assert( sqlite3SafetyCheckOk(db) );
+  assert( db->magic==SQLITE_MAGIC_OPEN || db->magic==SQLITE_MAGIC_ZOMBIE );
 
   pVTab->nRef--;
   if( pVTab->nRef==0 ){
diff --git a/src/wal.c b/src/wal.c
index b077d27..cc166ba 100644
--- a/src/wal.c
+++ b/src/wal.c
@@ -142,14 +142,15 @@
 ** byte order of the host computer.
 **
 ** The purpose of the wal-index is to answer this question quickly:  Given
-** a page number P, return the index of the last frame for page P in the WAL,
-** or return NULL if there are no frames for page P in the WAL.
+** a page number P and a maximum frame index M, return the index of the 
+** last frame in the wal before frame M for page P in the WAL, or return
+** NULL if there are no frames for page P in the WAL prior to M.
 **
 ** The wal-index consists of a header region, followed by an one or
 ** more index blocks.  
 **
 ** The wal-index header contains the total number of frames within the WAL
-** in the the mxFrame field.  
+** in the mxFrame field.
 **
 ** Each index block except for the first contains information on 
 ** HASHTABLE_NPAGE frames. The first index block contains information on
@@ -1198,6 +1199,7 @@ finished:
     pInfo->nBackfill = 0;
     pInfo->aReadMark[0] = 0;
     for(i=1; i<WAL_NREADER; i++) pInfo->aReadMark[i] = READMARK_NOT_USED;
+    if( pWal->hdr.mxFrame ) pInfo->aReadMark[1] = pWal->hdr.mxFrame;
 
     /* If more than one frame was recovered from the log file, report an
     ** event via sqlite3_log(). This is to help with identifying performance
@@ -1698,7 +1700,7 @@ static int walCheckpoint(
       assert( y<=pWal->hdr.mxFrame );
       rc = walBusyLock(pWal, xBusy, pBusyArg, WAL_READ_LOCK(i), 1);
       if( rc==SQLITE_OK ){
-        pInfo->aReadMark[i] = READMARK_NOT_USED;
+        pInfo->aReadMark[i] = (i==1 ? mxSafeFrame : READMARK_NOT_USED);
         walUnlockExclusive(pWal, WAL_READ_LOCK(i), 1);
       }else if( rc==SQLITE_BUSY ){
         mxSafeFrame = y;
@@ -2611,7 +2613,8 @@ static int walRestartLog(Wal *pWal){
         aSalt[1] = salt1;
         walIndexWriteHdr(pWal);
         pInfo->nBackfill = 0;
-        for(i=1; i<WAL_NREADER; i++) pInfo->aReadMark[i] = READMARK_NOT_USED;
+        pInfo->aReadMark[1] = 0;
+        for(i=2; i<WAL_NREADER; i++) pInfo->aReadMark[i] = READMARK_NOT_USED;
         assert( pInfo->aReadMark[0]==0 );
         walUnlockExclusive(pWal, WAL_READ_LOCK(1), WAL_NREADER-1);
       }else if( rc!=SQLITE_BUSY ){
diff --git a/src/walker.c b/src/walker.c
index c95a9c1..eab96ea 100644
--- a/src/walker.c
+++ b/src/walker.c
@@ -125,12 +125,18 @@ int sqlite3WalkSelect(Walker *pWalker, Select *p){
   int rc;
   if( p==0 || pWalker->xSelectCallback==0 ) return WRC_Continue;
   rc = WRC_Continue;
-  while( p  ){
+  pWalker->walkerDepth++;
+  while( p ){
     rc = pWalker->xSelectCallback(pWalker, p);
     if( rc ) break;
-    if( sqlite3WalkSelectExpr(pWalker, p) ) return WRC_Abort;
-    if( sqlite3WalkSelectFrom(pWalker, p) ) return WRC_Abort;
+    if( sqlite3WalkSelectExpr(pWalker, p)
+     || sqlite3WalkSelectFrom(pWalker, p)
+    ){
+      pWalker->walkerDepth--;
+      return WRC_Abort;
+    }
     p = p->pPrior;
   }
+  pWalker->walkerDepth--;
   return rc & WRC_Abort;
 }
diff --git a/src/where.c b/src/where.c
index d324228..216a47f 100644
--- a/src/where.c
+++ b/src/where.c
@@ -3622,7 +3622,7 @@ static int codeAllEqualityTerms(
     int r1;
     int k = pIdx->aiColumn[j];
     pTerm = findTerm(pWC, iCur, k, notReady, pLevel->plan.wsFlags, pIdx);
-    if( NEVER(pTerm==0) ) break;
+    if( pTerm==0 ) break;
     /* The following true for indices with redundant columns. 
     ** Ex: CREATE INDEX i1 ON t1(a,b,a); SELECT * FROM t1 WHERE a=0 AND b=0; */
     testcase( (pTerm->wtFlags & TERM_CODED)!=0 );
@@ -4297,6 +4297,8 @@ static Bitmask codeOneLoopStart(
     */
     WhereClause *pOrWc;    /* The OR-clause broken out into subterms */
     SrcList *pOrTab;       /* Shortened table list or OR-clause generation */
+    Index *pCov = 0;             /* Potential covering index (or NULL) */
+    int iCovCur = pParse->nTab++;  /* Cursor used for index scans (if any) */
 
     int regReturn = ++pParse->nMem;           /* Register used with OP_Gosub */
     int regRowset = 0;                        /* Register for RowSet object */
@@ -4315,7 +4317,7 @@ static Bitmask codeOneLoopStart(
     pLevel->op = OP_Return;
     pLevel->p1 = regReturn;
 
-    /* Set up a new SrcList ni pOrTab containing the table being scanned
+    /* Set up a new SrcList in pOrTab containing the table being scanned
     ** by this loop in the a[0] slot and all notReady tables in a[1..] slots.
     ** This becomes the SrcList in the recursive call to sqlite3WhereBegin().
     */
@@ -4392,8 +4394,10 @@ static Bitmask codeOneLoopStart(
         /* Loop through table entries that match term pOrTerm. */
         pSubWInfo = sqlite3WhereBegin(pParse, pOrTab, pOrExpr, 0, 0,
                         WHERE_OMIT_OPEN_CLOSE | WHERE_AND_ONLY |
-                        WHERE_FORCE_TABLE | WHERE_ONETABLE_ONLY);
+                        WHERE_FORCE_TABLE | WHERE_ONETABLE_ONLY, iCovCur);
+        assert( pSubWInfo || pParse->nErr || pParse->db->mallocFailed );
         if( pSubWInfo ){
+          WhereLevel *pLvl;
           explainOneScan(
               pParse, pOrTab, &pSubWInfo->a[0], iLevel, pLevel->iFrom, 0
           );
@@ -4414,11 +4418,36 @@ static Bitmask codeOneLoopStart(
           */
           if( pSubWInfo->untestedTerms ) untestedTerms = 1;
 
+          /* If all of the OR-connected terms are optimized using the same
+          ** index, and the index is opened using the same cursor number
+          ** by each call to sqlite3WhereBegin() made by this loop, it may
+          ** be possible to use that index as a covering index.
+          **
+          ** If the call to sqlite3WhereBegin() above resulted in a scan that
+          ** uses an index, and this is either the first OR-connected term
+          ** processed or the index is the same as that used by all previous
+          ** terms, set pCov to the candidate covering index. Otherwise, set 
+          ** pCov to NULL to indicate that no candidate covering index will 
+          ** be available.
+          */
+          pLvl = &pSubWInfo->a[0];
+          if( (pLvl->plan.wsFlags & WHERE_INDEXED)!=0
+           && (pLvl->plan.wsFlags & WHERE_TEMP_INDEX)==0
+           && (ii==0 || pLvl->plan.u.pIdx==pCov)
+          ){
+            assert( pLvl->iIdxCur==iCovCur );
+            pCov = pLvl->plan.u.pIdx;
+          }else{
+            pCov = 0;
+          }
+
           /* Finish the loop through table entries that match term pOrTerm. */
           sqlite3WhereEnd(pSubWInfo);
         }
       }
     }
+    pLevel->u.pCovidx = pCov;
+    if( pCov ) pLevel->iIdxCur = iCovCur;
     if( pAndExpr ){
       pAndExpr->pLeft = 0;
       sqlite3ExprDelete(pParse->db, pAndExpr);
@@ -4636,7 +4665,8 @@ WhereInfo *sqlite3WhereBegin(
   Expr *pWhere,         /* The WHERE clause */
   ExprList **ppOrderBy, /* An ORDER BY clause, or NULL */
   ExprList *pDistinct,  /* The select-list for DISTINCT queries - or NULL */
-  u16 wctrlFlags        /* One of the WHERE_* flags defined in sqliteInt.h */
+  u16 wctrlFlags,       /* One of the WHERE_* flags defined in sqliteInt.h */
+  int iIdxCur           /* If WHERE_ONETABLE_ONLY is set, index cursor number */
 ){
   int i;                     /* Loop counter */
   int nByteWInfo;            /* Num. bytes allocated for WhereInfo struct */
@@ -4956,7 +4986,13 @@ WhereInfo *sqlite3WhereBegin(
     testcase( bestPlan.plan.wsFlags & WHERE_INDEXED );
     testcase( bestPlan.plan.wsFlags & WHERE_TEMP_INDEX );
     if( bestPlan.plan.wsFlags & (WHERE_INDEXED|WHERE_TEMP_INDEX) ){
-      pLevel->iIdxCur = pParse->nTab++;
+      if( (wctrlFlags & WHERE_ONETABLE_ONLY) 
+       && (bestPlan.plan.wsFlags & WHERE_TEMP_INDEX)==0 
+      ){
+        pLevel->iIdxCur = iIdxCur;
+      }else{
+        pLevel->iIdxCur = pParse->nTab++;
+      }
     }else{
       pLevel->iIdxCur = -1;
     }
@@ -5057,10 +5093,10 @@ WhereInfo *sqlite3WhereBegin(
     if( (pLevel->plan.wsFlags & WHERE_INDEXED)!=0 ){
       Index *pIx = pLevel->plan.u.pIdx;
       KeyInfo *pKey = sqlite3IndexKeyinfo(pParse, pIx);
-      int iIdxCur = pLevel->iIdxCur;
+      int iIndexCur = pLevel->iIdxCur;
       assert( pIx->pSchema==pTab->pSchema );
-      assert( iIdxCur>=0 );
-      sqlite3VdbeAddOp4(v, OP_OpenRead, iIdxCur, pIx->tnum, iDb,
+      assert( iIndexCur>=0 );
+      sqlite3VdbeAddOp4(v, OP_OpenRead, iIndexCur, pIx->tnum, iDb,
                         (char*)pKey, P4_KEYINFO_HANDOFF);
       VdbeComment((v, "%s", pIx->zName));
     }
@@ -5208,6 +5244,7 @@ void sqlite3WhereEnd(WhereInfo *pWInfo){
   */
   assert( pWInfo->nLevel==1 || pWInfo->nLevel==pTabList->nSrc );
   for(i=0, pLevel=pWInfo->a; i<pWInfo->nLevel; i++, pLevel++){
+    Index *pIdx = 0;
     struct SrcList_item *pTabItem = &pTabList->a[pLevel->iFrom];
     Table *pTab = pTabItem->pTab;
     assert( pTab!=0 );
@@ -5237,12 +5274,15 @@ void sqlite3WhereEnd(WhereInfo *pWInfo){
     ** that reference the table and converts them into opcodes that
     ** reference the index.
     */
-    if( (pLevel->plan.wsFlags & WHERE_INDEXED)!=0 && !db->mallocFailed){
+    if( pLevel->plan.wsFlags & WHERE_INDEXED ){
+      pIdx = pLevel->plan.u.pIdx;
+    }else if( pLevel->plan.wsFlags & WHERE_MULTI_OR ){
+      pIdx = pLevel->u.pCovidx;
+    }
+    if( pIdx && !db->mallocFailed){
       int k, j, last;
       VdbeOp *pOp;
-      Index *pIdx = pLevel->plan.u.pIdx;
 
-      assert( pIdx!=0 );
       pOp = sqlite3VdbeGetOp(v, pWInfo->iTop);
       last = sqlite3VdbeCurrentAddr(v);
       for(k=pWInfo->iTop; k<last; k++, pOp++){
diff --git a/test/aggnested.test b/test/aggnested.test
new file mode 100644
index 0000000..22f0fb6
--- /dev/null
+++ b/test/aggnested.test
@@ -0,0 +1,71 @@
+# 2012 August 23
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library.
+#
+# This file implements tests for processing aggregate queries with 
+# subqueries in which the subqueries hold the aggregate functions
+# or in which the subqueries are themselves aggregate queries
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+do_test aggnested-1.1 {
+  db eval {
+    CREATE TABLE t1(a1 INTEGER);
+    INSERT INTO t1 VALUES(1), (2), (3);
+    CREATE TABLE t2(b1 INTEGER);
+    INSERT INTO t2 VALUES(4), (5);
+    SELECT (SELECT group_concat(a1,'x') FROM t2) FROM t1;
+  }
+} {1x2x3}
+do_test aggnested-1.2 {
+  db eval {
+    SELECT
+     (SELECT group_concat(a1,'x') || '-' || group_concat(b1,'y') FROM t2)
+    FROM t1;
+  }
+} {1x2x3-4y5}
+do_test aggnested-1.3 {
+  db eval {
+    SELECT (SELECT group_concat(b1,a1) FROM t2) FROM t1;
+  }
+} {415 425 435}
+do_test aggnested-1.4 {
+  db eval {
+    SELECT (SELECT group_concat(a1,b1) FROM t2) FROM t1;
+  }
+} {151 252 353}
+
+
+# This test case is a copy of the one in
+# http://www.mail-archive.com/sqlite-users@sqlite.org/msg70787.html
+#
+do_test aggnested-2.0 {
+  sqlite3 db2 :memory:
+  db2 eval {
+    CREATE TABLE t1 (A1 INTEGER NOT NULL,A2 INTEGER NOT NULL,A3 INTEGER NOT 
+    NULL,A4 INTEGER NOT NULL,PRIMARY KEY(A1));
+    REPLACE INTO t1 VALUES(1,11,111,1111);
+    REPLACE INTO t1 VALUES(2,22,222,2222);
+    REPLACE INTO t1 VALUES(3,33,333,3333);
+    CREATE TABLE t2 (B1 INTEGER NOT NULL,B2 INTEGER NOT NULL,B3 INTEGER NOT 
+    NULL,B4 INTEGER NOT NULL,PRIMARY KEY(B1));
+    REPLACE INTO t2 VALUES(1,88,888,8888);
+    REPLACE INTO t2 VALUES(2,99,999,9999);
+    SELECT (SELECT GROUP_CONCAT(CASE WHEN a1=1 THEN'A' ELSE 'B' END) FROM t2),
+            t1.* 
+    FROM t1;
+  }
+} {A,B,B 3 33 333 3333}
+db2 close
+
+finish_test
diff --git a/test/atof1.test b/test/atof1.test
new file mode 100644
index 0000000..76eb427
--- /dev/null
+++ b/test/atof1.test
@@ -0,0 +1,60 @@
+# 2012 June 18
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# 
+# Tests of the sqlite3AtoF() function.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+if {![info exists __GNUC__]} {
+  finish_test
+  return
+}
+
+expr srand(1)
+for {set i 1} {$i<20000} {incr i} {
+  set pow [expr {int((rand()-0.5)*100)}]
+  set x [expr {pow((rand()-0.5)*2*rand(),$pow)}]
+  set xf [format %.32e $x]
+
+  # Verify that text->real conversions get exactly same ieee754 floating-
+  # point value in SQLite as they do in TCL.
+  #
+  do_test atof1-1.$i.1 {
+    set y [db eval "SELECT $xf=\$x"]
+    if {!$y} {
+      puts -nonewline \173[db eval "SELECT real2hex($xf), real2hex(\$x)"]\175
+      db eval "SELECT $xf+0.0 AS a, \$x AS b" {
+        puts [format "\n%.60e\n%.60e\n%.60e" $x $a $b]
+      }
+    }
+    set y
+  } {1}
+
+  # Verify that round-trip real->text->real conversions using the quote()
+  # function preserve the bits of the numeric value exactly.
+  #
+  do_test atof1-1.$i.2 {
+    set y [db eval {SELECT $x=CAST(quote($x) AS real)}]
+    if {!$y} {
+      db eval {SELECT real2hex($x) a, real2hex(CAST(quote($x) AS real)) b} {}
+      puts "\nIN:    $a $xf"
+      puts [format {QUOTE: %16s %s} {} [db eval {SELECT quote($x)}]]
+      db eval {SELECT CAST(quote($x) AS real) c} {}
+      puts "OUT:   $b [format %.32e $c]"
+    }
+    set y
+  } {1}
+}
+
+
+finish_test
diff --git a/test/backup.test b/test/backup.test
index 4d7213c..444619c 100644
--- a/test/backup.test
+++ b/test/backup.test
@@ -423,7 +423,7 @@ do_test backup-4.3.2 {
 } {SQLITE_BUSY}
 do_test backup-4.3.3 {
   sqlite3_errmsg db2
-} {unable to close due to unfinished backup operation}
+} {unable to close due to unfinalized statements or unfinished backups}
 do_test backup-4.3.4 {
   B step 50
 } {SQLITE_DONE}
diff --git a/test/crash.test b/test/crash.test
index f644dca..c1901da 100644
--- a/test/crash.test
+++ b/test/crash.test
@@ -119,7 +119,7 @@ do_test crash-1.11 {
 } {0 {}}
 
 #--------------------------------------------------------------------------
-# The following tests test recovery when both the database file and the the
+# The following tests test recovery when both the database file and the
 # journal file contain corrupt data. This can happen after pages are
 # written to the database file before a transaction is committed due to
 # cache-pressure.
diff --git a/test/date.test b/test/date.test
index 9bfec12..a30402c 100644
--- a/test/date.test
+++ b/test/date.test
@@ -151,7 +151,7 @@ datetest 3.2.1 {strftime('pre%fpost','2003-10-31 12:34:56.432')} pre56.432post
 datetest 3.2.2 {strftime('%f','2003-10-31 12:34:59.9999999')} 59.999
 datetest 3.3 {strftime('%H','2003-10-31 12:34:56.432')} 12
 datetest 3.4 {strftime('%j','2003-10-31 12:34:56.432')} 304
-datetest 3.5 {strftime('%J','2003-10-31 12:34:56.432')} 2452944.02426426
+datetest 3.5 {strftime('%J','2003-10-31 12:34:56.432')} 2452944.024264259
 datetest 3.6 {strftime('%m','2003-10-31 12:34:56.432')} 10
 datetest 3.7 {strftime('%M','2003-10-31 12:34:56.432')} 34
 datetest 3.8.1 {strftime('%s','2003-10-31 12:34:56.432')} 1067603696
diff --git a/test/fts3atoken.test b/test/fts3atoken.test
index 554259d..9277bfb 100644
--- a/test/fts3atoken.test
+++ b/test/fts3atoken.test
@@ -174,6 +174,16 @@ ifcapable icu {
     insert into x1 (name) values (NULL);
     delete from x1;
   }
+
+  proc cp_to_str {codepoint_list} {
+    set fmt [string repeat %c [llength $codepoint_list]]
+    eval [list format $fmt] $codepoint_list
+  }
+
+  do_test 5.2 {
+    set str [cp_to_str {19968 26085 32822 32645 27874 23433 20986}]
+    execsql { INSERT INTO x1 VALUES($str) }
+  } {}
 }
 
 
diff --git a/test/fts3auto.test b/test/fts3auto.test
index d5ab4ef..20b2812 100644
--- a/test/fts3auto.test
+++ b/test/fts3auto.test
@@ -67,7 +67,7 @@ proc do_fts3query_test {tn args} {
   foreach {k v} [lrange $args 0 [expr $nArg-3]] {
     switch -- $k {
       -deferred {
-        set deferred $v
+        ifcapable fts4_deferred { set deferred $v }
       }
       default {
         error "bad option \"$k\": must be -deferred"
@@ -509,9 +509,9 @@ foreach {tn create} {
 
   do_fts3query_test 3.$tn.2.1 t1 {a OR c}
 
-  do_test 3.$tn.3 { 
-    fts3_zero_long_segments t1 $limit 
-  } {1}
+  ifcapable fts4_deferred {
+    do_test 3.$tn.3 { fts3_zero_long_segments t1 $limit } {1}
+  }
 
   foreach {tn2 expr def} {
     1     {a NEAR c}            {}
@@ -550,7 +550,11 @@ foreach {tn create} {
   do_test 4.$tn.2 { 
     set limit [fts3_make_deferrable t1 five]
     execsql { INSERT INTO t1(t1) VALUES('optimize') }
-    expr {[fts3_zero_long_segments t1 $limit]>0}
+    ifcapable fts4_deferred {
+      expr {[fts3_zero_long_segments t1 $limit]>0}
+    } else {
+      expr 1
+    }
   } {1}
 
   do_fts3query_test 4.$tn.3.1 -deferred five t1 {one AND five}
diff --git a/test/fts3defer.test b/test/fts3defer.test
index 4c8213d..532d4df 100644
--- a/test/fts3defer.test
+++ b/test/fts3defer.test
@@ -13,7 +13,7 @@ set testdir [file dirname $argv0]
 source $testdir/tester.tcl
 source $testdir/malloc_common.tcl
 
-ifcapable !fts3 {
+ifcapable !fts3||!fts4_deferred {
   finish_test
   return
 }
diff --git a/test/fts3defer2.test b/test/fts3defer2.test
index 92a4491..337359a 100644
--- a/test/fts3defer2.test
+++ b/test/fts3defer2.test
@@ -13,7 +13,10 @@
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
 source $testdir/malloc_common.tcl
-ifcapable !fts3 { finish_test ; return }
+ifcapable !fts3||!fts4_deferred {
+  finish_test 
+  return
+}
 
 set testprefix fts3defer2
 
diff --git a/test/fts3matchinfo.test b/test/fts3matchinfo.test
index 0e88858..924db9c 100644
--- a/test/fts3matchinfo.test
+++ b/test/fts3matchinfo.test
@@ -275,11 +275,14 @@ do_matchinfo_test 4.3.4 t5 {t5 MATCH 'a a a'}       { s {3 1} }
 do_matchinfo_test 4.3.5 t5 {t5 MATCH '"a b" "a b"'} { s {2} }
 do_matchinfo_test 4.3.6 t5 {t5 MATCH 'a OR b'}      { s {1 2 1 1} }
 
-do_execsql_test 4.4.0 {
-  INSERT INTO t5(t5) VALUES('optimize');
-  UPDATE t5_segments 
-  SET block = zeroblob(length(block)) 
-  WHERE length(block)>10000;
+do_execsql_test 4.4.0.1 { INSERT INTO t5(t5) VALUES('optimize') }
+
+ifcapable fts4_deferred {
+  do_execsql_test 4.4.0.2 {
+    UPDATE t5_segments 
+    SET block = zeroblob(length(block)) 
+    WHERE length(block)>10000;
+  }
 }
 
 do_matchinfo_test 4.4.2 t5 {t5 MATCH 'a b'}         { s {2} }
diff --git a/test/fts4aa.test b/test/fts4aa.test
index c569331..2e6baf8 100644
--- a/test/fts4aa.test
+++ b/test/fts4aa.test
@@ -1655,14 +1655,16 @@ do_test fts4aa-1.8 {
     SELECT docid FROM t1_docsize EXCEPT SELECT docid FROM t1
   }
 } {}
-do_test fts4aa-1.9 {
-  # Note: Token 'in' is being deferred in the following query. 
-  db eval {
-    SELECT docid, mit(matchinfo(t1, 'pcxnal')) FROM t1
-     WHERE t1 MATCH 'joseph died in egypt'
-     ORDER BY docid;
-  }
-} {1050026 {4 1 1 1 1 1 1 1 2 1 1 1 1 1 1 23 23}}
+ifcapable fts4_deferred {
+  do_test fts4aa-1.9 {
+    # Note: Token 'in' is being deferred in the following query. 
+    db eval {
+      SELECT docid, mit(matchinfo(t1, 'pcxnal')) FROM t1
+       WHERE t1 MATCH 'joseph died in egypt'
+       ORDER BY docid;
+    }
+  } {1050026 {4 1 1 1 1 1 1 1 2 1 1 1 1 1 1 23 23}}
+}
 
 # Should get the same search results from FTS3
 #
diff --git a/test/fts4unicode.test b/test/fts4unicode.test
index 3abceb6..0ac60a6 100644
--- a/test/fts4unicode.test
+++ b/test/fts4unicode.test
@@ -326,5 +326,62 @@ do_unicode_token_test3 5.11 "tokenchars=\u0301" \
   "0 hello\u0301world hello\u0301world 1 helloworld helloworld"
 
 
+#-------------------------------------------------------------------------
+
+proc do_tokenize {tokenizer txt} {
+  set res [list]
+  foreach {a b c} [db one {SELECT fts3_tokenizer_test($tokenizer, $txt)}] {
+    lappend res $b
+  }
+  set res
+}
+
+# Argument $lCodepoint must be a list of codepoints (integers) that 
+# correspond to whitespace characters. This command creates a string
+# $W from the codepoints, then tokenizes "${W}hello{$W}world${W}" 
+# using tokenizer $tokenizer. The test passes if the tokenizer successfully
+# extracts the two 5 character tokens.
+#
+proc do_isspace_test {tn tokenizer lCp} {
+  set whitespace [format [string repeat %c [llength $lCp]] {*}$lCp] 
+  set txt "${whitespace}hello${whitespace}world${whitespace}"
+  uplevel [list do_test $tn [list do_tokenize $tokenizer $txt] {hello world}]
+}
+
+set tokenizers [list unicode61]
+ifcapable icu { lappend tokenizers icu }
+
+# Some tests to check that the tokenizers can both identify white-space 
+# codepoints. All codepoints tested below are of type "Zs" in the
+# UnicodeData.txt file.
+foreach T $tokenizers {
+  do_isspace_test 6.$T.1 $T    32
+  do_isspace_test 6.$T.2 $T    160
+  do_isspace_test 6.$T.3 $T    5760
+  do_isspace_test 6.$T.4 $T    6158
+  do_isspace_test 6.$T.5 $T    8192
+  do_isspace_test 6.$T.6 $T    8193
+  do_isspace_test 6.$T.7 $T    8194
+  do_isspace_test 6.$T.8 $T    8195
+  do_isspace_test 6.$T.9 $T    8196
+  do_isspace_test 6.$T.10 $T    8197
+  do_isspace_test 6.$T.11 $T    8198
+  do_isspace_test 6.$T.12 $T    8199
+  do_isspace_test 6.$T.13 $T    8200
+  do_isspace_test 6.$T.14 $T    8201
+  do_isspace_test 6.$T.15 $T    8202
+  do_isspace_test 6.$T.16 $T    8239
+  do_isspace_test 6.$T.17 $T    8287
+  do_isspace_test 6.$T.18 $T   12288
+
+  do_isspace_test 6.$T.19 $T   {32 160 5760 6158}
+  do_isspace_test 6.$T.19 $T   {8192 8193 8194 8195}
+  do_isspace_test 6.$T.19 $T   {8196 8197 8198 8199}
+  do_isspace_test 6.$T.19 $T   {8200 8201 8202 8239}
+  do_isspace_test 6.$T.19 $T   {8287 12288}
+}
+
+
 finish_test
 
+
diff --git a/test/func.test b/test/func.test
index ba1ea02..e44c44b 100644
--- a/test/func.test
+++ b/test/func.test
@@ -312,7 +312,7 @@ ifcapable floatingpoint {
     execsql {SELECT round(9999999999999.55,1);}
   } {9999999999999.6}
   do_test func-4.38 {
-    execsql {SELECT round(9999999999999.555,2);}
+    execsql {SELECT round(9999999999999.556,2);}
   } {9999999999999.56}
 }
 
diff --git a/test/index5.test b/test/index5.test
new file mode 100644
index 0000000..c8e94b3
--- /dev/null
+++ b/test/index5.test
@@ -0,0 +1,75 @@
+# 2012 August 6
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set ::testprefix index5
+
+do_test 1.1 {
+  execsql {
+    PRAGMA page_size = 1024;
+    CREATE TABLE t1(x);
+    BEGIN;
+  }
+  for {set i 0} {$i < 100000} {incr i} {
+    execsql { INSERT INTO t1 VALUES(randstr(100,100)) }
+  }
+  execsql COMMIT
+  execsql { 
+    CREATE INDEX i1 ON t1(x);
+    DROP INDEX I1;
+    PRAGMA main.page_size;
+  }
+} {1024}
+
+db close
+testvfs tvfs
+tvfs filter xWrite
+tvfs script write_cb
+proc write_cb {xCall file handle iOfst} {
+  if {[file tail $file]=="test.db"} {
+    lappend ::write_list [expr $iOfst/1024]
+  }
+  puts "$xCall $file $args"
+}
+
+do_test 1.2 {
+  sqlite3 db test.db -vfs tvfs
+  set ::write_list [list]
+  execsql { CREATE INDEX i1 ON t1(x) }
+} {}
+
+do_test 1.3 {
+  set nForward 0
+  set nBackward 0
+  set nNoncont 0
+  set iPrev [lindex $::write_list 0]
+  for {set i 1} {$i < [llength $::write_list]} {incr i} {
+    set iNext [lindex $::write_list $i]
+    if {$iNext==($iPrev+1)} {
+      incr nForward
+    } elseif {$iNext==($iPrev-1)} { 
+      incr nBackward 
+    } else {
+      incr nNoncont
+    }
+    set iPrev $iNext
+  }
+
+  expr {$nForward > $nBackward}
+} {1}
+db close
+tvfs delete
+
+finish_test
+
diff --git a/test/journal1.test b/test/journal1.test
index 2fdadfd..c89dd2b 100644
--- a/test/journal1.test
+++ b/test/journal1.test
@@ -41,7 +41,7 @@ do_test journal1-1.1 {
 } 8
 
 # Make changes to the database and save the journal file.
-# Then delete the database.  Replace the the journal file
+# Then delete the database.  Replace the journal file
 # and try to create a new database with the same name.  The
 # old journal should not attempt to rollback into the new
 # database.
diff --git a/test/loadext.test b/test/loadext.test
index 8f8339e..72eff12 100644
--- a/test/loadext.test
+++ b/test/loadext.test
@@ -23,7 +23,7 @@ ifcapable !load_ext {
 
 # The name of the test extension varies by operating system.
 #
-if {$::tcl_platform(platform) eq "windows" || $::tcl_platform(platform) eq "os2"} {
+if {$::tcl_platform(platform) eq "windows"} {
   set testextension ./testloadext.dll
 } else {
   set testextension ./libtestloadext.so
diff --git a/test/misc7.test b/test/misc7.test
index 146dca0..4868c12 100644
--- a/test/misc7.test
+++ b/test/misc7.test
@@ -377,7 +377,7 @@ do_test misc7-16.X {
 # These tests do not work on windows due to restrictions in the
 # windows file system.
 #
-if {$tcl_platform(platform)!="windows" && $tcl_platform(platform)!="os2"} {
+if {$tcl_platform(platform)!="windows"} {
 
   # Some network filesystems (ex: AFP) do not support setting read-only
   # permissions.  Only run these tests if full unix permission setting
diff --git a/test/permutations.test b/test/permutations.test
index 4370d86..2ff77f9 100644
--- a/test/permutations.test
+++ b/test/permutations.test
@@ -111,7 +111,7 @@ set allquicktests [test_set $alltests -exclude {
   thread003.test thread004.test thread005.test trans2.test vacuum3.test 
   incrvacuum_ioerr.test autovacuum_crash.test btree8.test shared_err.test
   vtab_err.test walslow.test walcrash.test walcrash3.test
-  walthread.test rtree3.test indexfault.test 
+  walthread.test rtree3.test indexfault.test securedel2.test
 }]
 if {[info exists ::env(QUICKTEST_INCLUDE)]} {
   set allquicktests [concat $allquicktests $::env(QUICKTEST_INCLUDE)]
@@ -142,7 +142,7 @@ test_suite "valgrind" -prefix "" -description {
   Run the "veryquick" test suite with a couple of multi-process tests (that
   fail under valgrind) omitted.
 } -files [
-  test_set $allquicktests -exclude *malloc* *ioerr* *fault* wal.test
+  test_set $allquicktests -exclude *malloc* *ioerr* *fault* wal.test atof1.test
 ] -initialize {
   set ::G(valgrind) 1
 } -shutdown {
diff --git a/test/pragma.test b/test/pragma.test
index e249897..3c8d23a 100644
--- a/test/pragma.test
+++ b/test/pragma.test
@@ -16,6 +16,7 @@
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
+set testprefix pragma
 
 # Do not use a codec for tests in this file, as the database file is
 # manipulated directly using tcl scripts (using the [hexio_write] command).
@@ -41,6 +42,8 @@ do_not_use_codec
 #              reset when the schema is reloaded.
 # pragma-16.*: Test proxy locking
 # pragma-20.*: Test data_store_directory.
+# pragma-22.*: Test that "PRAGMA [db].integrity_check" respects the "db"
+#              directive - if it is present.
 #
 
 ifcapable !pragma {
@@ -1554,4 +1557,67 @@ do_test pragma-20.8 {
 forcedelete data_dir
 } ;# endif windows
 
+do_test 21.1 {
+  # Create a corrupt database in testerr.db. And a non-corrupt at test.db.
+  #
+  db close
+  forcedelete test.db
+  sqlite3 db test.db
+  execsql { 
+    PRAGMA page_size = 1024;
+    PRAGMA auto_vacuum = 0;
+    CREATE TABLE t1(a PRIMARY KEY, b);
+    INSERT INTO t1 VALUES(1, 1);
+  }
+  for {set i 0} {$i < 10} {incr i} {
+    execsql { INSERT INTO t1 SELECT a + (1 << $i), b + (1 << $i) FROM t1 }
+  }
+  db close
+  forcecopy test.db testerr.db
+  hexio_write testerr.db 15000 [string repeat 55 100]
+} {100}
+
+set mainerr {*** in database main ***
+Multiple uses for byte 672 of page 15}
+set auxerr {*** in database aux ***
+Multiple uses for byte 672 of page 15}
+
+do_test 22.2 {
+  catch { db close }
+  sqlite3 db testerr.db
+  execsql { PRAGMA integrity_check }
+} [list $mainerr]
+
+do_test 22.3.1 {
+  catch { db close }
+  sqlite3 db test.db
+  execsql { 
+    ATTACH 'testerr.db' AS 'aux';
+    PRAGMA integrity_check;
+  }
+} [list $auxerr]
+do_test 22.3.2 {
+  execsql { PRAGMA main.integrity_check; }
+} {ok}
+do_test 22.3.3 {
+  execsql { PRAGMA aux.integrity_check; }
+} [list $auxerr]
+
+do_test 22.4.1 {
+  catch { db close }
+  sqlite3 db testerr.db
+  execsql { 
+    ATTACH 'test.db' AS 'aux';
+    PRAGMA integrity_check;
+  }
+} [list $mainerr]
+do_test 22.4.2 {
+  execsql { PRAGMA main.integrity_check; }
+} [list $mainerr]
+do_test 22.4.3 {
+  execsql { PRAGMA aux.integrity_check; }
+} {ok}
+
 finish_test
+
+
diff --git a/test/releasetest.tcl b/test/releasetest.tcl
index 7725630..3b4662c 100644
--- a/test/releasetest.tcl
+++ b/test/releasetest.tcl
@@ -151,6 +151,15 @@ array set ::Configs {
     -DSQLITE_ENABLE_OVERSIZE_CELL_CHECK=1
     -DSQLITE_MAX_ATTACHED=62
   }
+  "Devkit" {
+    -DSQLITE_DEFAULT_FILE_FORMAT=4
+    -DSQLITE_MAX_ATTACHED=30
+    -DSQLITE_ENABLE_COLUMN_METADATA
+    -DSQLITE_ENABLE_FTS4
+    -DSQLITE_ENABLE_FTS4_PARENTHESIS
+    -DSQLITE_DISABLE_FTS4_DEFERRED
+    -DSQLITE_ENABLE_RTREE
+  }
 }
 
 array set ::Platforms {
@@ -166,6 +175,7 @@ array set ::Platforms {
     "Device-One"              fulltest
   }
   Linux-i686 {
+    "Devkit"                  test
     "Unlock-Notify"           "QUICKTEST_INCLUDE=notify2.test test"
     "Device-One"              test
     "Device-Two"              test
@@ -218,8 +228,6 @@ proc run_test_suite {name testtarget config} {
 
   if {$::tcl_platform(platform)=="windows"} {
     append opts " -DSQLITE_OS_WIN=1"
-  } elseif {$::tcl_platform(platform)=="os2"} {
-    append opts " -DSQLITE_OS_OS2=1"
   } else {
     append opts " -DSQLITE_OS_UNIX=1"
   }
diff --git a/test/rowid.test b/test/rowid.test
index 4a9404d..5daf581 100644
--- a/test/rowid.test
+++ b/test/rowid.test
@@ -657,7 +657,7 @@ do_test rowid-11.4 {
 # Test the automatic generation of rowids when the table already contains
 # a rowid with the maximum value.
 #
-# Once the the maximum rowid is taken, rowids are normally chosen at
+# Once the maximum rowid is taken, rowids are normally chosen at
 # random.  By by reseting the random number generator, we can cause
 # the rowid guessing loop to collide with prior rowids, and test the
 # loop out to its limit of 100 iterations.  After 100 collisions, the
diff --git a/test/securedel2.test b/test/securedel2.test
new file mode 100644
index 0000000..b20f4f9
--- /dev/null
+++ b/test/securedel2.test
@@ -0,0 +1,95 @@
+# 2012 August 7
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#*************************************************************************
+#
+# Tests for the secure_delete pragma.
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set ::testprefix securedel2
+
+# Generate 1000 pseudo-random 64-bit blobs.
+#
+for {set i 1} {$i <= 1000} {incr i} {
+  set aBlob($i) [string range [db one {SELECT quote(randomblob(8))}] 2 end-1]
+}
+
+proc detect_blob_prepare {zFile} {
+  set nByte [file size $zFile]
+  set ::detect_blob_data [hexio_read $zFile 0 $nByte]
+}
+
+proc detect_blob {zFile iBlob} {
+  if {$zFile != ""} { detect_blob_prepare $zFile }
+  string match "*$::aBlob($iBlob)*" $::detect_blob_data
+}
+
+do_test 1.1 {
+  execsql { PRAGMA secure_delete = 1 }
+  execsql { PRAGMA auto_vacuum = 0 }
+  execsql { CREATE TABLE t1(x, y) }
+  for {set i 1} {$i <= 1000} {incr i} {
+    set x "X'[string repeat $aBlob($i) 1]'"
+    set y "X'[string repeat $aBlob($i) 500]'"
+    execsql "INSERT INTO t1 VALUES($x, $y)"
+  }
+} {}
+
+do_test         1.2   { detect_blob test.db 1 } {1}
+
+forcecopy test.db test.db.bak
+do_execsql_test 1.3.1 { PRAGMA secure_delete = 0 } {0}
+do_execsql_test 1.3.2 { DELETE FROM t1 WHERE rowid = 1 }
+do_test         1.3.3 { detect_blob test.db 1 } {1}
+
+db close
+forcecopy test.db.bak test.db
+sqlite3 db test.db
+do_execsql_test 1.4.1 { PRAGMA secure_delete = 1 } {1}
+do_execsql_test 1.4.2 { DELETE FROM t1 WHERE rowid = 1 }
+do_test         1.4.3 { detect_blob test.db 1 } {0}
+
+do_execsql_test 1.5.1 { DELETE FROM t1 WHERE rowid>850 } {}
+do_test 1.5.2 { 
+  set n 0
+  detect_blob_prepare test.db
+  for {set i 851} {$i <= 1000} {incr i 5} {
+    incr n [detect_blob {} $i]
+  }
+  set n
+} {0}
+
+db close
+sqlite3 db test.db
+do_test 1.6.1 { 
+  execsql {
+    PRAGMA cache_size = 200;
+    PRAGMA secure_delete = 1;
+    CREATE TABLE t2(x);
+    SELECT * FROM t1;
+  }
+  for {set i 100} {$i < 5000} {incr i} {
+    execsql { INSERT INTO t2 VALUES(randomblob($i)) }
+  }
+  execsql { DELETE FROM t1 }
+} {}
+
+do_test 1.6.2 { 
+  set n 0
+  detect_blob_prepare test.db
+  for {set i 2} {$i <= 850} {incr i 5} {
+    incr n [detect_blob {} $i]
+  }
+  set n
+} {0}
+
+finish_test
+
diff --git a/test/select6.test b/test/select6.test
index e0ff165..64a8519 100644
--- a/test/select6.test
+++ b/test/select6.test
@@ -22,6 +22,7 @@ ifcapable !subquery {
   finish_test
   return
 }
+set ::testprefix select6
 
 do_test select6-1.0 {
   execsql {
@@ -513,5 +514,48 @@ do_test select6-9.11 {
 } {2 12 3 13 4 14}
 
 
+#-------------------------------------------------------------------------
+# Test that if a UNION ALL sub-query that would otherwise be eligible for
+# flattening consists of two or more SELECT statements that do not all 
+# return the same number of result columns, the error is detected.
+#
+do_execsql_test 10.1 {
+  CREATE TABLE t(i,j,k);
+  CREATE TABLE j(l,m);
+  CREATE TABLE k(o);
+}
+
+set err [list 1 {SELECTs to the left and right of UNION ALL do not have the same number of result columns}]
+
+do_execsql_test 10.2 {
+  SELECT * FROM (SELECT * FROM t), j;
+}
+do_catchsql_test 10.3 {
+  SELECT * FROM t UNION ALL SELECT * FROM j
+} $err
+do_catchsql_test 10.4 {
+  SELECT * FROM (SELECT i FROM t UNION ALL SELECT l, m FROM j)
+} $err
+do_catchsql_test 10.5 {
+  SELECT * FROM (SELECT j FROM t UNION ALL SELECT * FROM j)
+} $err
+do_catchsql_test 10.6 {
+  SELECT * FROM (SELECT * FROM t UNION ALL SELECT * FROM j)
+} $err
+do_catchsql_test 10.7 {
+  SELECT * FROM (
+    SELECT * FROM t UNION ALL 
+    SELECT l,m,l FROM j UNION ALL
+    SELECT * FROM k
+  )
+} $err
+do_catchsql_test 10.8 {
+  SELECT * FROM (
+    SELECT * FROM k UNION ALL
+    SELECT * FROM t UNION ALL 
+    SELECT l,m,l FROM j 
+  )
+} $err
+
 
 finish_test
diff --git a/test/spellfix.test b/test/spellfix.test
new file mode 100644
index 0000000..afef981
--- /dev/null
+++ b/test/spellfix.test
@@ -0,0 +1,151 @@
+# 2012 July 12
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix spellfix
+
+ifcapable !vtab { finish_test ; return }
+
+register_spellfix_module db
+
+set vocab {
+rabbi rabbit rabbits rabble rabid rabies raccoon raccoons race raced racer
+racers races racetrack racial racially racing rack racked racket racketeer
+racketeering racketeers rackets racking racks radar radars radial radially
+radian radiance radiant radiantly radiate radiated radiates radiating radiation
+radiations radiator radiators radical radically radicals radices radii radio
+radioactive radioastronomy radioed radiography radioing radiology radios radish
+radishes radium radius radix radon raft rafter rafters rafts rag rage raged
+rages ragged raggedly raggedness raging rags ragweed raid raided raider raiders
+raiding raids rail railed railer railers railing railroad railroaded railroader
+railroaders railroading railroads rails railway railways raiment rain rainbow
+raincoat raincoats raindrop raindrops rained rainfall rainier rainiest raining
+rains rainstorm rainy raise raised raiser raisers raises raisin raising rake
+raked rakes raking rallied rallies rally rallying ram ramble rambler rambles
+rambling ramblings ramification ramifications ramp rampage rampant rampart
+ramps ramrod rams ran ranch ranched rancher ranchers ranches ranching rancid
+random randomization randomize randomized randomizes randomly randomness randy
+rang range ranged rangeland ranger rangers ranges ranging rangy rank ranked
+ranker rankers rankest ranking rankings rankle rankly rankness ranks ransack
+ransacked ransacking ransacks ransom ransomer ransoming ransoms rant ranted
+ranter ranters ranting rants rap rapacious rape raped raper rapes rapid
+rapidity rapidly rapids rapier raping rapport rapprochement raps rapt raptly
+rapture raptures rapturous rare rarely rareness rarer rarest rarity rascal
+rascally rascals rash rasher rashly rashness rasp raspberry rasped rasping
+rasps raster rat rate rated rater raters rates rather ratification ratified
+ratifies ratify ratifying rating ratings ratio ration rational rationale
+rationales rationalities rationality rationalization rationalizations
+rationalize rationalized rationalizes rationalizing rationally rationals
+rationing rations ratios rats rattle rattled rattler rattlers rattles
+rattlesnake rattlesnakes rattling raucous ravage ravaged ravager ravagers
+ravages ravaging rave raved raven ravening ravenous ravenously ravens raves
+ravine ravines raving ravings raw rawer rawest rawly rawness ray rays raze
+razor razors re reabbreviate reabbreviated reabbreviates reabbreviating reach
+reachability reachable reachably reached reacher reaches reaching reacquired
+react reacted reacting reaction reactionaries reactionary reactions reactivate
+reactivated reactivates reactivating reactivation reactive reactively
+reactivity reactor reactors reacts read readability readable reader readers
+readied readier readies readiest readily readiness reading readings readjusted
+readout readouts reads ready readying real realest realign realigned realigning
+realigns realism realist realistic realistically realists realities reality
+}
+
+do_test 1.1 {
+  execsql { CREATE VIRTUAL TABLE t1 USING spellfix1 }
+  foreach word $vocab {
+    execsql { INSERT INTO t1(word) VALUES($word) }
+  }
+} {}
+
+foreach {tn word res} {
+  1   raxpi*     {rasping 5 rasped 5 ragweed 5 raspberry 6 rasp 4}
+  2   ril*       {rail 4 railed 4 railer 4 railers 4 railing 4}
+  3   rilis*     {realism 6 realist 6 realistic 6 realistically 6 realists 6}
+  4   reail*     {real 3 realest 3 realign 3 realigned 3 realigning 3}
+  5   ras*       {rascal 3 rascally 3 rascals 3 rash 3 rasher 3}
+  6   realistss* {realists 8 realigns 8 realistic 9 realistically 9 realest 7}
+  7   realistss  {realists 8 realist 7 realigns 8 realistic 9 realest 7}
+  8   rllation*  {realities 9 reality 7 rallied 7 railed 4}
+  9   renstom*   {rainstorm 8 ransom 6 ransomer 6 ransoming 6 ransoms 6}
+} {
+  do_execsql_test 1.2.$tn {
+    SELECT word, matchlen FROM t1 WHERE word MATCH $word 
+     ORDER BY score, word LIMIT 5
+  } $res
+}
+
+
+do_execsql_test 2.1 {
+  CREATE VIRTUAL TABLE t2 USING spellfix1;
+  INSERT INTO t2 (word, soundslike) VALUES('school', 'skuul');
+  INSERT INTO t2 (word, soundslike) VALUES('psalm', 'sarm');
+  SELECT word, matchlen FROM t2 WHERE word MATCH 'sar*' LIMIT 5;
+} {psalm 4}
+
+do_execsql_test 2.2 {
+  SELECT word, matchlen FROM t2 WHERE word MATCH 'skol*' LIMIT 5;
+} {school 6}
+
+set vocab {
+kangaroo kanji kappa karate keel keeled keeling keels keen keener keenest
+keenly keenness keep keeper keepers keeping keeps ken kennel kennels kept
+kerchief kerchiefs kern kernel kernels kerosene ketchup kettle
+kettles key keyboard keyboards keyed keyhole keying keynote keypad keypads keys
+keystroke keystrokes keyword keywords kick kicked kicker kickers kicking
+kickoff kicks kid kidded kiddie kidding kidnap kidnapper kidnappers kidnapping
+kidnappings kidnaps kidney kidneys kids kill killed killer killers killing
+killingly killings killjoy kills kilobit kilobits kiloblock kilobyte kilobytes
+kilogram kilograms kilohertz kilohm kilojoule kilometer kilometers kiloton
+kilovolt kilowatt kiloword kimono kin kind kinder kindergarten kindest
+kindhearted kindle kindled kindles kindling kindly kindness kindred kinds
+kinetic king kingdom kingdoms kingly kingpin kings kink kinky kinship kinsman
+kiosk kiss kissed kisser kissers kisses kissing kit kitchen kitchenette
+kitchens kite kited kites kiting kits kitten kittenish kittens kitty klaxon
+kludge kludges klystron knack knapsack knapsacks knave knaves knead kneads knee
+kneecap kneed kneeing kneel kneeled kneeling kneels knees knell knells knelt
+knew knife knifed knifes knifing knight knighted knighthood knighting knightly
+knights knit knits knives knob knobs knock knockdown knocked knocker knockers
+knocking knockout knocks knoll knolls knot knots knotted knotting know knowable
+knower knowhow knowing knowingly knowledge knowledgeable known knows knuckle
+knuckled knuckles koala kosher kudo
+}
+
+do_execsql_test 3.1 {
+  CREATE TABLE costs(iLang, cFrom, cTo, iCost);
+  INSERT INTO costs VALUES(0, 'a', 'e', 1);
+  INSERT INTO costs VALUES(0, 'e', 'i', 1);
+  INSERT INTO costs VALUES(0, 'i', 'o', 1);
+  INSERT INTO costs VALUES(0, 'o', 'u', 1);
+  INSERT INTO costs VALUES(0, 'u', 'a', 1);
+  CREATE VIRTUAL TABLE t3 USING spellfix1(edit_cost_table=costs);
+}
+
+do_test 3.2 {
+  foreach w $vocab {
+    execsql { INSERT INTO t3(word) VALUES($w) }
+  }
+} {}
+
+breakpoint
+foreach {tn word res} {
+  1   kos*     {kosher 3 kiosk 4 kudo 2 kiss 3 kissed 3}
+  2   kellj*   {killjoy 5 kill 4 killed 4 killer 4 killers 4}
+  3   kellj    {kill 4 kills 5 killjoy 7 keel 4 killed 6}
+} {
+  do_execsql_test 1.2.$tn {
+    SELECT word, matchlen FROM t3 WHERE word MATCH $word
+     ORDER BY score, word LIMIT 5
+  } $res
+} 
+
+finish_test
diff --git a/test/tclsqlite.test b/test/tclsqlite.test
index c8b0303..c954c71 100644
--- a/test/tclsqlite.test
+++ b/test/tclsqlite.test
@@ -319,14 +319,23 @@ do_test tcl-8.1 {
   execsql {INSERT INTO t1 VALUES(30,NULL)}
   db eval {SELECT * FROM t1 WHERE b IS NULL}
 } {30 NaN}
+proc concatFunc args {return [join $args {}]}
 do_test tcl-8.2 {
+  db function concat concatFunc
+  db eval {SELECT concat('a', b, 'z') FROM t1 WHERE b is NULL}
+} {aNaNz}
+do_test tcl-8.3 {
   db nullvalue NULL
   db nullvalue
 } {NULL}
-do_test tcl-8.3 {
+do_test tcl-8.4 {
   db nullvalue {}
   db eval {SELECT * FROM t1 WHERE b IS NULL}
 } {30 {}}
+do_test tcl-8.5 {
+  db function concat concatFunc
+  db eval {SELECT concat('a', b, 'z') FROM t1 WHERE b is NULL}
+} {az}
 
 # Test the return type of user-defined functions
 #
diff --git a/test/wal2.test b/test/wal2.test
index f30c011..4371e98 100644
--- a/test/wal2.test
+++ b/test/wal2.test
@@ -86,7 +86,7 @@ proc incr_tvfs_hdr {file idx incrval} {
 #
 #   2. Attempt to read the database using the reader. Before the reader
 #      has a chance to snapshot the wal-index header, increment one
-#      of the the integer fields (so that the reader ends up with a corrupted
+#      of the integer fields (so that the reader ends up with a corrupted
 #      header).
 #
 #   3. Check that the reader recovers the wal-index and reads the correct
@@ -126,9 +126,11 @@ set RECOVER [list                                      \
   {1 7 unlock exclusive} {0 1 unlock exclusive}        \
 ]
 set READ [list                                         \
-  {4 1 lock exclusive} {4 1 unlock exclusive}          \
   {4 1 lock shared}    {4 1 unlock shared}             \
 ]
+set INITSLOT [list                                     \
+  {4 1 lock exclusive} {4 1 unlock exclusive}          \
+]
 
 foreach {tn iInsert res wal_index_hdr_mod wal_locks} "
          2    5   {5 15}    0             {$RECOVER $READ}
@@ -141,7 +143,7 @@ foreach {tn iInsert res wal_index_hdr_mod wal_locks} "
          9   12   {12 78}   7             {$RECOVER $READ}
         10   13   {13 91}   8             {$RECOVER $READ}
         11   14   {14 105}  9             {$RECOVER $READ}
-        12   15   {15 120}  -1            {$READ}
+        12   15   {15 120}  -1            {$INITSLOT $READ}
 " {
 
   do_test wal2-1.$tn.1 {
diff --git a/test/wal3.test b/test/wal3.test
index ccab93e..18e6075 100644
--- a/test/wal3.test
+++ b/test/wal3.test
@@ -655,7 +655,7 @@ T filter xShmLock
 T script lock_callback
 
 proc lock_callback {method file handle spec} {
-  if {$spec == "4 1 unlock exclusive"} {
+  if {$spec == "1 7 unlock exclusive"} {
     T filter {}
     set ::r [catchsql { SELECT * FROM b } db2]
   }
diff --git a/test/walro.test b/test/walro.test
index 3ae7d53..465ce83 100644
--- a/test/walro.test
+++ b/test/walro.test
@@ -56,6 +56,7 @@ do_multiclient_test tn {
   do_test 1.1.1 {
     code2 { sqlite3 db2 test.db }
     sql2 { 
+      PRAGMA auto_vacuum = 0;
       PRAGMA journal_mode = WAL;
       CREATE TABLE t1(x, y);
       INSERT INTO t1 VALUES('a', 'b');
@@ -163,6 +164,132 @@ do_multiclient_test tn {
   do_test 1.3.2.4 {
     code1 { sqlite3_extended_errcode db } 
   } {SQLITE_READONLY_RECOVERY}
+
+  #-----------------------------------------------------------------------
+  # Test cases 1.4.* check that checkpoints and log wraps don't prevent
+  # read-only connections from reading the database.
+  do_test 1.4.1 {
+    code1 { db close }
+    forcedelete test.db-shm
+    file exists test.db-shm
+  } {0}
+
+  # Open one read-only and one read-write connection. Write some data
+  # and then run a checkpoint using the read-write connection. Then
+  # check the read-only connection can still read.
+  do_test 1.4.2 {
+    code1 { sqlite3 db file:test.db?readonly_shm=1 }
+    code2 { sqlite3 db2 test.db }
+    csql2 { 
+      INSERT INTO t1 VALUES(1, 2);
+      INSERT INTO t1 VALUES(3, 4);
+      INSERT INTO t1 VALUES(5, 6);
+      PRAGMA wal_checkpoint;
+    }
+  } {0 {0 3 3}}
+  do_test 1.4.3 {
+    csql1 { SELECT * FROM t1 }
+  } {0 {a b c d e f g h i j k l 1 2 3 4 5 6}}
+  
+  # Using the read-write connection, open a transaction and write lots
+  # of data - causing a cache spill and a log wrap. Then check that the 
+  # read-only connection can still read the database.
+  do_test 1.4.4.1 {
+    csql2 {
+      PRAGMA cache_size = 10;
+      BEGIN;
+      CREATE TABLE t2(x, y);
+      INSERT INTO t2 VALUES('abc', 'xyz');
+      INSERT INTO t2 SELECT x||y, y||x FROM t2;
+      INSERT INTO t2 SELECT x||y, y||x FROM t2;
+      INSERT INTO t2 SELECT x||y, y||x FROM t2;
+      INSERT INTO t2 SELECT x||y, y||x FROM t2;
+      INSERT INTO t2 SELECT x||y, y||x FROM t2;
+      INSERT INTO t2 SELECT x||y, y||x FROM t2;
+      INSERT INTO t2 SELECT x||y, y||x FROM t2;
+      INSERT INTO t2 SELECT x||y, y||x FROM t2;
+      INSERT INTO t2 SELECT x||y, y||x FROM t2;
+    }
+    file size test.db-wal
+  } {147800}
+  do_test 1.4.4.2 {
+    csql1 { SELECT * FROM t1 }
+  } {0 {a b c d e f g h i j k l 1 2 3 4 5 6}}
+  do_test 1.4.4.3 {
+    csql2 COMMIT
+    csql1 { SELECT count(*) FROM t2 }
+  } {0 512}
+  do_test 1.4.5 {
+    code2 { db2 close }
+    code1 { db close }
+  } {}
+}
+
+forcedelete test.db
+
+#-----------------------------------------------------------------------
+# Test cases 2.* check that a read-only connection may read the
+# database file while a checkpoint operation is ongoing.
+#
+do_multiclient_test tn {
+  # Do not run tests with the connections in the same process.
+  #
+  if {$tn==2} continue
+  
+  # Close all connections and delete the database.
+  #
+  code1 { db close  }
+  code2 { db2 close }
+  code3 { db3 close }
+  forcedelete test.db
+  forcedelete walro
+
+  foreach c {code1 code2 code3} {
+    $c {
+      sqlite3_shutdown
+      sqlite3_config_uri 1
+    }
+  }
+  
+  proc tv_hook {x file args} {
+    if {[file tail $file]=="test.db-wal"} {
+      do_test 2.1.2 {
+        code2 { sqlite3 db2 file:test.db?readonly_shm=1 }
+        csql2 { SELECT count(*) FROM t2 }
+      } {0 4}
+      do_test 2.1.3 {
+        code2 { db2 close }
+      } {}
+    } 
+  }
+
+  do_test 2.1.1 {
+    testvfs tv -default 1 -fullshm 1
+    tv script tv_hook
+    tv filter {}
+    code1 { sqlite3 db test.db }
+    csql1 { 
+      PRAGMA auto_vacuum = 0;
+      PRAGMA journal_mode = WAL;
+      BEGIN;
+        CREATE TABLE t2(x, y);
+        INSERT INTO t2 VALUES('abc', 'xyz');
+        INSERT INTO t2 SELECT x||y, y||x FROM t2;
+        INSERT INTO t2 SELECT x||y, y||x FROM t2;
+      COMMIT;
+    }
+  } {0 wal}
+
+  tv filter xSync
+  set res [csql1 { PRAGMA wal_checkpoint }]
+  do_test 2.1.4 { set res } {0 {0 2 2}}
+
+  do_test 2.1.5 {
+    code1 { db close }
+    code1 { tv delete }
+  } {}
 }
 
 finish_test
+
+
diff --git a/test/walthread.test b/test/walthread.test
index cbd6371..6249ce1 100644
--- a/test/walthread.test
+++ b/test/walthread.test
@@ -277,8 +277,8 @@ do_thread_test2 walthread-1 -seconds $seconds(walthread-1) -init {
   proc write_transaction {} {
     db eval {
       BEGIN;
-        INSERT INTO t1 VALUES(randomblob(100));
-        INSERT INTO t1 VALUES(randomblob(100));
+        INSERT INTO t1 VALUES(randomblob(101 + $::E(pid)));
+        INSERT INTO t1 VALUES(randomblob(101 + $::E(pid)));
         INSERT INTO t1 SELECT md5sum(x) FROM t1;
       COMMIT;
     }
diff --git a/test/whereD.test b/test/whereD.test
new file mode 100644
index 0000000..58fe934
--- /dev/null
+++ b/test/whereD.test
@@ -0,0 +1,189 @@
+# 2012 August 24
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library.  The
+# focus of this file is testing that an index may be used as a covering
+# index when there are OR expressions in the WHERE clause. 
+#
+
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set ::testprefix whereD
+
+do_execsql_test 1.1 {
+  CREATE TABLE t(i,j,k,m,n);
+  CREATE INDEX ijk ON t(i,j,k);
+  CREATE INDEX jmn ON t(j,m,n);
+
+  INSERT INTO t VALUES(3, 3, 'three', 3, 'tres');
+  INSERT INTO t VALUES(2, 2, 'two', 2, 'dos');
+  INSERT INTO t VALUES(1, 1, 'one', 1, 'uno');
+  INSERT INTO t VALUES(4, 4, 'four', 4, 'cuatro');
+}
+
+do_execsql_test 1.2 {
+  SELECT k FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2);
+} {one two}
+do_execsql_test 1.3 {
+  SELECT k FROM t WHERE (i=1 AND j=1) OR (+i=2 AND j=2);
+} {one two}
+do_execsql_test 1.4 {
+  SELECT n FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2);
+} {uno dos}
+do_execsql_test 1.5 {
+  SELECT k, n FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2);
+} {one uno two dos}
+do_execsql_test 1.6 {
+  SELECT k FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2) OR (i=3 AND j=3);
+} {one two three}
+do_execsql_test 1.7 {
+  SELECT n FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2) OR (i=3 AND j=3);
+} {uno dos tres}
+do_execsql_test 1.8 {
+  SELECT k FROM t WHERE (i=1 AND j=1) OR (j=2 AND m=2);
+} {one two}
+do_execsql_test 1.9 {
+  SELECT k FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2) OR (j=3 AND m=3);
+} {one two three}
+do_execsql_test 1.10 {
+  SELECT n FROM t WHERE (i=1 AND j=1) OR (i=2 AND j=2) OR (j=3 AND m=3);
+} {uno dos tres}
+do_execsql_test 1.11 {
+  SELECT k FROM t WHERE (i=1 AND j=1) OR (j=2 AND m=2) OR (i=3 AND j=3);
+} {one two three}
+do_execsql_test 1.12 {
+  SELECT n FROM t WHERE (i=1 AND j=1) OR (j=2 AND m=2) OR (i=3 AND j=3);
+} {uno dos tres}
+do_execsql_test 1.13 {
+  SELECT k FROM t WHERE (j=1 AND m=1) OR (i=2 AND j=2) OR (i=3 AND j=3);
+} {one two three}
+do_execsql_test 1.14 {
+  SELECT k FROM t WHERE (i=1 AND j=1) OR (j=2 AND i=2) OR (i=3 AND j=3);
+} {one two three}
+do_execsql_test 1.15 {
+  SELECT k FROM t WHERE (i=1 AND j=2) OR (i=2 AND j=1) OR (i=3 AND j=4);
+} {}
+do_execsql_test 1.16 {
+  SELECT k FROM t WHERE (i=1 AND (j=1 or j=2)) OR (i=3 AND j=3);
+} {one three}
+
+do_execsql_test 2.0 {
+  CREATE TABLE t1(a,b,c,d);
+  CREATE INDEX t1b ON t1(b);
+  CREATE INDEX t1c ON t1(c);
+  CREATE INDEX t1d ON t1(d);
+  CREATE TABLE t2(x,y);
+  CREATE INDEX t2y ON t2(y);
+  
+  INSERT INTO t1 VALUES(1,2,3,4);
+  INSERT INTO t1 VALUES(5,6,7,8);
+  INSERT INTO t2 VALUES(1,2);
+  INSERT INTO t2 VALUES(2,7);
+  INSERT INTO t2 VALUES(3,4);
+} {}
+do_execsql_test 2.1 {
+  SELECT a, x FROM t1 JOIN t2 ON +y=d OR x=7 ORDER BY a, x;
+} {1 3}
+do_execsql_test 2.2 {
+  SELECT a, x FROM t1 JOIN t2 ON y=d OR x=7 ORDER BY a, x;
+} {1 3}
+
+
+# Similar to [do_execsql_test], except that two elements are appended
+# to the result - the string "search" and the number of times test variable
+# sqlite3_search_count is incremented by running the supplied SQL. e.g.
+# 
+#   do_searchcount_test 1.0 { SELECT * FROM t1 } {x y search 2}
+#
+proc do_searchcount_test {tn sql res} {
+  uplevel [subst -nocommands {
+    do_test $tn {
+      set ::sqlite_search_count 0
+      concat [db eval {$sql}] search [set ::sqlite_search_count]
+    } [list $res]
+  }] 
+}
+
+do_execsql_test 3.0 {
+  CREATE TABLE t3(a, b, c);
+  CREATE UNIQUE INDEX i3 ON t3(a, b);
+  INSERT INTO t3 VALUES(1, 'one', 'i');
+  INSERT INTO t3 VALUES(3, 'three', 'iii');
+  INSERT INTO t3 VALUES(6, 'six', 'vi');
+  INSERT INTO t3 VALUES(2, 'two', 'ii');
+  INSERT INTO t3 VALUES(4, 'four', 'iv');
+  INSERT INTO t3 VALUES(5, 'five', 'v');
+
+  CREATE TABLE t4(x PRIMARY KEY, y);
+  INSERT INTO t4 VALUES('a', 'one');
+  INSERT INTO t4 VALUES('b', 'two');
+}
+
+do_searchcount_test 3.1 {
+  SELECT a, b FROM t3 WHERE (a=1 AND b='one') OR (a=2 AND b='two')
+} {1 one 2 two search 2}
+
+do_searchcount_test 3.2 {
+  SELECT a, c FROM t3 WHERE (a=1 AND b='one') OR (a=2 AND b='two')
+} {1 i 2 ii search 4}
+
+do_searchcount_test 3.4.1 {
+  SELECT y FROM t4 WHERE x='a'
+} {one search 2}
+do_searchcount_test 3.4.2 {
+  SELECT a, b FROM t3 WHERE 
+        (a=1 AND b=(SELECT y FROM t4 WHERE x='a')) 
+     OR (a=2 AND b='two')
+} {1 one 2 two search 4}
+do_searchcount_test 3.4.3 {
+  SELECT a, b FROM t3 WHERE 
+        (a=2 AND b='two')
+     OR (a=1 AND b=(SELECT y FROM t4 WHERE x='a')) 
+} {2 two 1 one search 4}
+do_searchcount_test 3.4.4 {
+  SELECT a, b FROM t3 WHERE 
+        (a=2 AND b=(SELECT y FROM t4 WHERE x='b')) 
+     OR (a=1 AND b=(SELECT y FROM t4 WHERE x='a')) 
+} {2 two 1 one search 6}
+
+do_searchcount_test 3.5.1 {
+  SELECT a, b FROM t3 WHERE (a=1 AND b='one') OR rowid=4
+} {1 one 2 two search 2}
+do_searchcount_test 3.5.2 {
+  SELECT a, c FROM t3 WHERE (a=1 AND b='one') OR rowid=4
+} {1 i 2 ii search 2}
+
+# Ticket [d02e1406a58ea02d] (2012-10-04)
+# LEFT JOIN with an OR in the ON clause causes segfault 
+#
+do_test 4.1 {
+  db eval {
+    CREATE TABLE t41(a,b,c);
+    INSERT INTO t41 VALUES(1,2,3), (4,5,6);
+    CREATE TABLE t42(d,e,f);
+    INSERT INTO t42 VALUES(3,6,9), (4,8,12);
+    SELECT * FROM t41 AS x LEFT JOIN t42 AS y ON (y.d=x.c) OR (y.e=x.b);
+  }
+} {1 2 3 3 6 9 4 5 6 {} {} {}}
+do_test 4.2 {
+  db eval {
+    CREATE INDEX t42d ON t42(d);
+    CREATE INDEX t42e ON t42(e);
+    SELECT * FROM t41 AS x LEFT JOIN t42 AS y ON (y.d=x.c) OR (y.e=x.b);
+  }
+} {1 2 3 3 6 9 4 5 6 {} {} {}}
+do_test 4.2 {
+  db eval {
+    SELECT * FROM t41 AS x LEFT JOIN t42 AS y ON (y.d=x.c) OR (y.d=x.b);
+  }
+} {1 2 3 3 6 9 4 5 6 {} {} {}}
+
+finish_test
diff --git a/tool/build-all-msvc.bat b/tool/build-all-msvc.bat
new file mode 100755
index 0000000..a2d7dae
--- /dev/null
+++ b/tool/build-all-msvc.bat
@@ -0,0 +1,394 @@
+@ECHO OFF
+
+::
+:: build-all-msvc.bat --
+::
+:: Multi-Platform Build Tool for MSVC
+::
+
+SETLOCAL
+
+REM SET __ECHO=ECHO
+REM SET __ECHO2=ECHO
+IF NOT DEFINED _AECHO (SET _AECHO=REM)
+IF NOT DEFINED _CECHO (SET _CECHO=REM)
+IF NOT DEFINED _VECHO (SET _VECHO=REM)
+
+%_AECHO% Running %0 %*
+
+REM SET DFLAGS=/L
+
+%_VECHO% DFlags = '%DFLAGS%'
+
+SET FFLAGS=/V /F /G /H /I /R /Y /Z
+
+%_VECHO% FFlags = '%FFLAGS%'
+
+SET ROOT=%~dp0\..
+SET ROOT=%ROOT:\\=\%
+
+%_VECHO% Root = '%ROOT%'
+
+REM
+REM NOTE: The first and only argument to this batch file should be the output
+REM       directory where the platform-specific binary directories should be
+REM       created.
+REM
+SET BINARYDIRECTORY=%1
+
+IF NOT DEFINED BINARYDIRECTORY (
+  GOTO usage
+)
+
+%_VECHO% BinaryDirectory = '%BINARYDIRECTORY%'
+
+SET DUMMY=%2
+
+IF DEFINED DUMMY (
+  GOTO usage
+)
+
+REM
+REM NOTE: From this point, we need a clean error level.  Reset it now.
+REM
+CALL :fn_ResetErrorLevel
+
+REM
+REM NOTE: Change the current directory to the root of the source tree, saving
+REM       the current directory on the directory stack.
+REM
+%__ECHO2% PUSHD "%ROOT%"
+
+IF ERRORLEVEL 1 (
+  ECHO Could not change directory to "%ROOT%".
+  GOTO errors
+)
+
+REM
+REM NOTE: This batch file requires the ComSpec environment variable to be set,
+REM       typically to something like "C:\Windows\System32\cmd.exe".
+REM
+IF NOT DEFINED ComSpec (
+  ECHO The ComSpec environment variable must be defined.
+  GOTO errors
+)
+
+REM
+REM NOTE: This batch file requires the VcInstallDir environment variable to be
+REM       set.  Tyipcally, this means this batch file needs to be run from an
+REM       MSVC command prompt.
+REM
+IF NOT DEFINED VCINSTALLDIR (
+  ECHO The VCINSTALLDIR environment variable must be defined.
+  GOTO errors
+)
+
+REM
+REM NOTE: If the list of platforms is not already set, use the default list.
+REM
+IF NOT DEFINED PLATFORMS (
+  SET PLATFORMS=x86 x86_amd64 x86_arm
+)
+
+%_VECHO% Platforms = '%PLATFORMS%'
+
+REM
+REM NOTE: Setup environment variables to translate between the MSVC platform
+REM       names and the names to be used for the platform-specific binary
+REM       directories.
+REM
+SET x86_NAME=x86
+SET x86_amd64_NAME=x64
+SET x86_arm_NAME=ARM
+
+%_VECHO% x86_Name = '%x86_NAME%'
+%_VECHO% x86_amd64_Name = '%x86_amd64_NAME%'
+%_VECHO% x86_arm_Name = '%x86_arm_NAME%'
+
+REM
+REM NOTE: Check for the external tools needed during the build process ^(i.e.
+REM       those that do not get compiled as part of the build process itself^)
+REM       along the PATH.
+REM
+FOR %%T IN (gawk.exe tclsh85.exe) DO (
+  SET %%T_PATH=%%~dp$PATH:T
+)
+
+REM
+REM NOTE: Set the TOOLPATH variable to contain all the directories where the
+REM       external tools were found in the search above.
+REM
+SET TOOLPATH=%gawk.exe_PATH%;%tclsh85.exe_PATH%
+
+%_VECHO% ToolPath = '%TOOLPATH%'
+
+REM
+REM NOTE: Check for MSVC 2012 because the Windows SDK directory handling is
+REM       slightly different for that version.
+REM
+IF "%VisualStudioVersion%" == "11.0" (
+  SET SET_NSDKLIBPATH=1
+) ELSE (
+  CALL :fn_UnsetVariable SET_NSDKLIBPATH
+)
+
+REM
+REM NOTE: This is the outer loop.  There should be exactly one iteration per
+REM       platform.
+REM
+FOR %%P IN (%PLATFORMS%) DO (
+  REM
+  REM NOTE: Using the MSVC platform name, lookup the simpler platform name to
+  REM       be used for the name of the platform-specific binary directory via
+  REM       the environment variables setup earlier.
+  REM
+  CALL :fn_SetVariable %%P_NAME PLATFORMNAME
+
+  REM
+  REM NOTE: This is the inner loop.  There should be exactly one iteration.
+  REM       This loop is necessary because the PlatformName environment
+  REM       variable was set above and that value is needed by some of the
+  REM       commands contained in the inner loop.  If these commands were
+  REM       directly contained in the outer loop, the PlatformName environment
+  REM       variable would be stuck with its initial empty value instead.
+  REM
+  FOR /F "tokens=2* delims==" %%D IN ('SET PLATFORMNAME') DO (
+    REM
+    REM NOTE: Attempt to clean the environment of all variables used by MSVC
+    REM       and/or Visual Studio.  This block may need to be updated in the
+    REM       future to account for additional environment variables.
+    REM
+    CALL :fn_UnsetVariable DevEnvDir
+    CALL :fn_UnsetVariable ExtensionSdkDir
+    CALL :fn_UnsetVariable Framework35Version
+    CALL :fn_UnsetVariable FrameworkDir
+    CALL :fn_UnsetVariable FrameworkDir32
+    CALL :fn_UnsetVariable FrameworkVersion
+    CALL :fn_UnsetVariable FrameworkVersion32
+    CALL :fn_UnsetVariable FSHARPINSTALLDIR
+    CALL :fn_UnsetVariable INCLUDE
+    CALL :fn_UnsetVariable LIB
+    CALL :fn_UnsetVariable LIBPATH
+    CALL :fn_UnsetVariable Platform
+    REM CALL :fn_UnsetVariable VCINSTALLDIR
+    CALL :fn_UnsetVariable VSINSTALLDIR
+    CALL :fn_UnsetVariable WindowsSdkDir
+    CALL :fn_UnsetVariable WindowsSdkDir_35
+    CALL :fn_UnsetVariable WindowsSdkDir_old
+
+    REM
+    REM NOTE: Reset the PATH here to the absolute bare minimum required.
+    REM
+    SET PATH=%TOOLPATH%;%SystemRoot%\System32;%SystemRoot%
+
+    REM
+    REM NOTE: Launch a nested command shell to perform the following steps:
+    REM
+    REM       1. Setup the MSVC environment for this platform using the
+    REM          official batch file.
+    REM
+    REM       2. Make sure that no stale build output files are present.
+    REM
+    REM       3. Build the "sqlite3.dll" and "sqlite3.lib" binaries for this
+    REM          platform.
+    REM
+    REM       4. Copy the "sqlite3.dll" and "sqlite3.lib" binaries for this
+    REM          platform to the platform-specific directory beneath the
+    REM          binary directory.
+    REM
+    "%ComSpec%" /C (
+      REM
+      REM NOTE: Attempt to setup the MSVC environment for this platform.
+      REM
+      %__ECHO% CALL "%VCINSTALLDIR%\vcvarsall.bat" %%P
+
+      IF ERRORLEVEL 1 (
+        ECHO Failed to call "%VCINSTALLDIR%\vcvarsall.bat" for platform %%P.
+        GOTO errors
+      )
+
+      REM
+      REM NOTE: If this batch file is not running in "what-if" mode, check to
+      REM       be sure we were actually able to setup the MSVC environment as
+      REM       current versions of their official batch file do not set the
+      REM       exit code upon failure.
+      REM
+      IF NOT DEFINED __ECHO (
+        IF NOT DEFINED WindowsSdkDir (
+          ECHO Cannot build, Windows SDK not found for platform %%P.
+          GOTO errors
+        )
+      )
+
+      REM
+      REM NOTE: When using MSVC 2012, the native SDK path cannot simply use
+      REM       the "lib" sub-directory beneath the location specified in the
+      REM       WindowsSdkDir environment variable because that location does
+      REM       not actually contain the necessary library files for x86.
+      REM       This must be done for each iteration because it relies upon
+      REM       the WindowsSdkDir environment variable being set by the batch
+      REM       file used to setup the MSVC environment.
+      REM
+      IF DEFINED SET_NSDKLIBPATH (
+        CALL :fn_SetVariable WindowsSdkDir NSDKLIBPATH
+        CALL :fn_AppendVariable NSDKLIBPATH \lib\win8\um\x86
+      )
+
+      REM
+      REM NOTE: Unless prevented from doing so, invoke NMAKE with the MSVC
+      REM       makefile to clean any stale build output from previous
+      REM       iterations of this loop and/or previous runs of this batch
+      REM       file, etc.
+      REM
+      IF NOT DEFINED NOCLEAN (
+        %__ECHO% nmake -f Makefile.msc clean
+
+        IF ERRORLEVEL 1 (
+          ECHO Failed to clean for platform %%P.
+          GOTO errors
+        )
+      ) ELSE (
+        REM
+        REM NOTE: Even when the cleaning step has been disabled, we still need
+        REM       to remove the build output for the files we are specifically
+        REM       wanting to build for each platform.
+        REM
+        %__ECHO% DEL /Q sqlite3.dll sqlite3.lib sqlite3.pdb
+      )
+
+      REM
+      REM NOTE: Invoke NMAKE with the MSVC makefile to build the "sqlite3.dll"
+      REM       binary.  The x86 compiler will be used to compile the native
+      REM       command line tools needed during the build process itself.
+      REM       Also, disable looking for and/or linking to the native Tcl
+      REM       runtime library.
+      REM
+      %__ECHO% nmake -f Makefile.msc sqlite3.dll "NCC=""%VCINSTALLDIR%\bin\cl.exe""" USE_NATIVE_LIBPATHS=1 NO_TCL=1 %NMAKE_ARGS%
+
+      IF ERRORLEVEL 1 (
+        ECHO Failed to build "sqlite3.dll" for platform %%P.
+        GOTO errors
+      )
+
+      REM
+      REM NOTE: Copy the "sqlite3.dll" file to the platform-specific directory
+      REM       beneath the binary directory.
+      REM
+      %__ECHO% XCOPY sqlite3.dll "%BINARYDIRECTORY%\%%D\" %FFLAGS% %DFLAGS%
+
+      IF ERRORLEVEL 1 (
+        ECHO Failed to copy "sqlite3.dll" to "%BINARYDIRECTORY%\%%D\".
+        GOTO errors
+      )
+
+      REM
+      REM NOTE: Copy the "sqlite3.lib" file to the platform-specific directory
+      REM       beneath the binary directory.
+      REM
+      %__ECHO% XCOPY sqlite3.lib "%BINARYDIRECTORY%\%%D\" %FFLAGS% %DFLAGS%
+
+      IF ERRORLEVEL 1 (
+        ECHO Failed to copy "sqlite3.lib" to "%BINARYDIRECTORY%\%%D\".
+        GOTO errors
+      )
+
+      REM
+      REM NOTE: Copy the "sqlite3.pdb" file to the platform-specific directory
+      REM       beneath the binary directory unless we are prevented from doing
+      REM       so.
+      REM
+      IF NOT DEFINED NOSYMBOLS (
+        %__ECHO% XCOPY sqlite3.pdb "%BINARYDIRECTORY%\%%D\" %FFLAGS% %DFLAGS%
+
+        IF ERRORLEVEL 1 (
+          ECHO Failed to copy "sqlite3.pdb" to "%BINARYDIRECTORY%\%%D\".
+          GOTO errors
+        )
+      )
+    )
+  )
+
+  REM
+  REM NOTE: Handle any errors generated during the nested command shell.
+  REM
+  IF ERRORLEVEL 1 (
+    GOTO errors
+  )
+)
+
+REM
+REM NOTE: Restore the saved current directory from the directory stack.
+REM
+%__ECHO2% POPD
+
+IF ERRORLEVEL 1 (
+  ECHO Could not restore directory.
+  GOTO errors
+)
+
+REM
+REM NOTE: If we get to this point, we have succeeded.
+REM
+GOTO no_errors
+
+:fn_ResetErrorLevel
+  VERIFY > NUL
+  GOTO :EOF
+
+:fn_SetErrorLevel
+  VERIFY MAYBE 2> NUL
+  GOTO :EOF
+
+:fn_SetVariable
+  SETLOCAL
+  IF NOT DEFINED %1 GOTO :EOF
+  IF "%2" == "" GOTO :EOF
+  SET __ECHO_CMD=ECHO %%%1%%
+  FOR /F "delims=" %%V IN ('%__ECHO_CMD%') DO (
+    SET VALUE=%%V
+  )
+  ENDLOCAL && SET %2=%VALUE%
+  GOTO :EOF
+
+:fn_UnsetVariable
+  IF NOT "%1" == "" (
+    SET %1=
+    CALL :fn_ResetErrorLevel
+  )
+  GOTO :EOF
+
+:fn_AppendVariable
+  SET __ECHO_CMD=ECHO %%%1%%
+  IF DEFINED %1 (
+    FOR /F "delims=" %%V IN ('%__ECHO_CMD%') DO (
+      SET %1=%%V%~2
+    )
+  ) ELSE (
+    SET %1=%~2
+  )
+  SET __ECHO_CMD=
+  CALL :fn_ResetErrorLevel
+  GOTO :EOF
+
+:usage
+  ECHO.
+  ECHO Usage: %~nx0 ^<binaryDirectory^>
+  ECHO.
+  GOTO errors
+
+:errors
+  CALL :fn_SetErrorLevel
+  ENDLOCAL
+  ECHO.
+  ECHO Failure, errors were encountered.
+  GOTO end_of_file
+
+:no_errors
+  CALL :fn_ResetErrorLevel
+  ENDLOCAL
+  ECHO.
+  ECHO Success, no errors were encountered.
+  GOTO end_of_file
+
+:end_of_file
+%__ECHO% EXIT /B %ERRORLEVEL%
diff --git a/tool/checkSpacing.c b/tool/checkSpacing.c
new file mode 100644
index 0000000..ce38b08
--- /dev/null
+++ b/tool/checkSpacing.c
@@ -0,0 +1,84 @@
+/*
+** This program checks for formatting problems in source code:
+**
+**    *  Any use of tab characters
+**    *  White space at the end of a line
+**    *  Blank lines at the end of a file
+**
+** Any violations are reported.
+*/
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define CR_OK      0x001
+#define WSEOL_OK   0x002
+
+static void checkSpacing(const char *zFile, unsigned flags){
+  FILE *in = fopen(zFile, "rb");
+  int i;
+  int seenSpace;
+  int seenTab;
+  int ln = 0;
+  int lastNonspace = 0;
+  char zLine[2000];
+  if( in==0 ){
+    printf("cannot open %s\n", zFile);
+    return;
+  }
+  while( fgets(zLine, sizeof(zLine), in) ){
+    seenSpace = 0;
+    seenTab = 0;
+    ln++;
+    for(i=0; zLine[i]; i++){
+      if( zLine[i]=='\t' && seenTab==0 ){
+        printf("%s:%d: tab (\\t) character\n", zFile, ln);
+        seenTab = 1;
+      }else if( zLine[i]=='\r' ){
+        if( (flags & CR_OK)==0 ){
+          printf("%s:%d: carriage-return (\\r) character\n", zFile, ln);
+        }
+      }else if( zLine[i]==' ' ){
+        seenSpace = 1;
+      }else if( zLine[i]!='\n' ){
+        lastNonspace = ln;
+        seenSpace = 0;
+      }
+    }
+    if( seenSpace && (flags & WSEOL_OK)==0 ){
+      printf("%s:%d: whitespace at end-of-line\n", zFile, ln);
+    }
+  }
+  fclose(in);
+  if( lastNonspace<ln ){
+    printf("%s:%d: blank lines at end of file (%d)\n",
+        zFile, ln, ln - lastNonspace);
+  }
+}
+
+int main(int argc, char **argv){
+  int i;
+  unsigned flags = WSEOL_OK;
+  for(i=1; i<argc; i++){
+    const char *z = argv[i];
+    if( z[0]=='-' ){
+      while( z[0]=='-' ) z++;
+      if( strcmp(z,"crok")==0 ){
+        flags |= CR_OK;
+      }else if( strcmp(z, "wseol")==0 ){
+        flags &= ~WSEOL_OK;
+      }else if( strcmp(z, "help")==0 ){
+        printf("Usage: %s [options] FILE ...\n", argv[0]);
+        printf("  --crok      Do not report on carriage-returns\n");
+        printf("  --wseol     Complain about whitespace at end-of-line\n");
+        printf("  --help      This message\n");
+      }else{
+        printf("unknown command-line option: [%s]\n", argv[i]);
+        printf("use --help for additional information\n");
+      }
+    }else{
+      checkSpacing(argv[i], flags);
+    }
+  }
+  return 0;
+}
diff --git a/tool/lemon.c b/tool/lemon.c
index 5d96995..f63e76f 100644
--- a/tool/lemon.c
+++ b/tool/lemon.c
@@ -15,7 +15,7 @@
 
 #ifndef __WIN32__
 #   if defined(_WIN32) || defined(WIN32)
-#	define __WIN32__
+#       define __WIN32__
 #   endif
 #endif
 
@@ -653,7 +653,7 @@ void FindRulePrecedences(struct lemon *xp)
           }
         }else if( sp->prec>=0 ){
           rp->precsym = rp->rhs[i];
-	}
+        }
       }
     }
   }
@@ -711,12 +711,12 @@ void FindFirstSets(struct lemon *lemp)
             progress += SetAdd(s1->firstset,s2->subsym[j]->index);
           }
           break;
-	}else if( s1==s2 ){
+        }else if( s1==s2 ){
           if( s1->lambda==LEMON_FALSE ) break;
-	}else{
+        }else{
           progress += SetUnion(s1->firstset,s2->firstset);
           if( s2->lambda==LEMON_FALSE ) break;
-	}
+        }
       }
     }
   }while( progress );
@@ -959,8 +959,8 @@ void FindFollowSets(struct lemon *lemp)
           if( change ){
             plp->cfp->status = INCOMPLETE;
             progress = 1;
-	  }
-	}
+          }
+        }
         cfp->status = COMPLETE;
       }
     }
@@ -993,7 +993,7 @@ void FindActions(struct lemon *lemp)
             ** rule "cfp->rp" if the lookahead symbol is "lemp->symbols[j]" */
             Action_add(&stp->ap,REDUCE,lemp->symbols[j],(char *)cfp->rp);
           }
-	}
+        }
       }
     }
   }
@@ -1262,11 +1262,11 @@ void Configlist_closure(struct lemon *lemp)
               SetAdd(newcfp->fws, xsp->subsym[k]->index);
             }
             break;
-	  }else{
+          }else{
             SetUnion(newcfp->fws,xsp->firstset);
             if( xsp->lambda==LEMON_FALSE ) break;
-	  }
-	}
+          }
+        }
         if( i==rp->nrhs ) Plink_add(&cfp->fplp,newcfp);
       }
     }
@@ -1996,7 +1996,7 @@ static void parseonetoken(struct pstate *psp)
 "There is no prior rule upon which to attach the code \
 fragment which begins on this line.");
           psp->errorcnt++;
-	}else if( psp->prevrule->code!=0 ){
+        }else if( psp->prevrule->code!=0 ){
           ErrorMsg(psp->filename,psp->tokenlineno,
 "Code fragment beginning on this line is not the first \
 to follow the previous rule.");
@@ -2004,7 +2004,7 @@ to follow the previous rule.");
         }else{
           psp->prevrule->line = psp->tokenlineno;
           psp->prevrule->code = &x[1];
-	}
+        }
       }else if( x[0]=='[' ){
         psp->state = PRECEDENCE_MARK_1;
       }else{
@@ -2097,7 +2097,7 @@ to follow the previous rule.");
             "Can't allocate enough memory for this rule.");
           psp->errorcnt++;
           psp->prevrule = 0;
-	}else{
+        }else{
           int i;
           rp->ruleline = psp->tokenlineno;
           rp->rhs = (struct symbol**)&rp[1];
@@ -2105,7 +2105,7 @@ to follow the previous rule.");
           for(i=0; i<psp->nrhs; i++){
             rp->rhs[i] = psp->rhs[i];
             rp->rhsalias[i] = psp->alias[i];
-	  }
+          }
           rp->lhs = psp->lhs;
           rp->lhsalias = psp->lhsalias;
           rp->nrhs = psp->nrhs;
@@ -2117,12 +2117,12 @@ to follow the previous rule.");
           rp->next = 0;
           if( psp->firstrule==0 ){
             psp->firstrule = psp->lastrule = rp;
-	  }else{
+          }else{
             psp->lastrule->next = rp;
             psp->lastrule = rp;
-	  }
+          }
           psp->prevrule = rp;
-	}
+        }
         psp->state = WAITING_FOR_DECL_OR_RULE;
       }else if( isalpha(x[0]) ){
         if( psp->nrhs>=MAXRHS ){
@@ -2131,11 +2131,11 @@ to follow the previous rule.");
             x);
           psp->errorcnt++;
           psp->state = RESYNC_AFTER_RULE_ERROR;
-	}else{
+        }else{
           psp->rhs[psp->nrhs] = Symbol_new(x);
           psp->alias[psp->nrhs] = 0;
           psp->nrhs++;
-	}
+        }
       }else if( (x[0]=='|' || x[0]=='/') && psp->nrhs>0 ){
         struct symbol *msp = psp->rhs[psp->nrhs-1];
         if( msp->type!=MULTITERMINAL ){
@@ -2199,24 +2199,24 @@ to follow the previous rule.");
         if( strcmp(x,"name")==0 ){
           psp->declargslot = &(psp->gp->name);
           psp->insertLineMacro = 0;
-	}else if( strcmp(x,"include")==0 ){
+        }else if( strcmp(x,"include")==0 ){
           psp->declargslot = &(psp->gp->include);
-	}else if( strcmp(x,"code")==0 ){
+        }else if( strcmp(x,"code")==0 ){
           psp->declargslot = &(psp->gp->extracode);
-	}else if( strcmp(x,"token_destructor")==0 ){
+        }else if( strcmp(x,"token_destructor")==0 ){
           psp->declargslot = &psp->gp->tokendest;
-	}else if( strcmp(x,"default_destructor")==0 ){
+        }else if( strcmp(x,"default_destructor")==0 ){
           psp->declargslot = &psp->gp->vardest;
-	}else if( strcmp(x,"token_prefix")==0 ){
+        }else if( strcmp(x,"token_prefix")==0 ){
           psp->declargslot = &psp->gp->tokenprefix;
           psp->insertLineMacro = 0;
-	}else if( strcmp(x,"syntax_error")==0 ){
+        }else if( strcmp(x,"syntax_error")==0 ){
           psp->declargslot = &(psp->gp->error);
-	}else if( strcmp(x,"parse_accept")==0 ){
+        }else if( strcmp(x,"parse_accept")==0 ){
           psp->declargslot = &(psp->gp->accept);
-	}else if( strcmp(x,"parse_failure")==0 ){
+        }else if( strcmp(x,"parse_failure")==0 ){
           psp->declargslot = &(psp->gp->failure);
-	}else if( strcmp(x,"stack_overflow")==0 ){
+        }else if( strcmp(x,"stack_overflow")==0 ){
           psp->declargslot = &(psp->gp->overflow);
         }else if( strcmp(x,"extra_argument")==0 ){
           psp->declargslot = &(psp->gp->arg);
@@ -2245,9 +2245,9 @@ to follow the previous rule.");
           psp->preccounter++;
           psp->declassoc = NONE;
           psp->state = WAITING_FOR_PRECEDENCE_SYMBOL;
-	}else if( strcmp(x,"destructor")==0 ){
+        }else if( strcmp(x,"destructor")==0 ){
           psp->state = WAITING_FOR_DESTRUCTOR_SYMBOL;
-	}else if( strcmp(x,"type")==0 ){
+        }else if( strcmp(x,"type")==0 ){
           psp->state = WAITING_FOR_DATATYPE_SYMBOL;
         }else if( strcmp(x,"fallback")==0 ){
           psp->fallback = 0;
@@ -2259,7 +2259,7 @@ to follow the previous rule.");
             "Unknown declaration keyword: \"%%%s\".",x);
           psp->errorcnt++;
           psp->state = RESYNC_AFTER_DECL_ERROR;
-	}
+        }
       }else{
         ErrorMsg(psp->filename,psp->tokenlineno,
           "Illegal declaration keyword: \"%s\".",x);
@@ -2314,10 +2314,10 @@ to follow the previous rule.");
           ErrorMsg(psp->filename,psp->tokenlineno,
             "Symbol \"%s\" has already be given a precedence.",x);
           psp->errorcnt++;
-	}else{
+        }else{
           sp->prec = psp->preccounter;
           sp->assoc = psp->declassoc;
-	}
+        }
       }else{
         ErrorMsg(psp->filename,psp->tokenlineno,
           "Can't assign a precedence to \"%s\".",x);
@@ -2587,12 +2587,12 @@ void Parse(struct lemon *gp)
             if( c=='\n' ) lineno++;
             prevc = c;
             cp++;
-	  }
-	}else if( c=='/' && cp[1]=='/' ){  /* Skip C++ style comments too */
+          }
+        }else if( c=='/' && cp[1]=='/' ){  /* Skip C++ style comments too */
           cp = &cp[2];
           while( (c= *cp)!=0 && c!='\n' ) cp++;
           if( c ) lineno++;
-	}else if( c=='\'' || c=='\"' ){    /* String a character literals */
+        }else if( c=='\'' || c=='\"' ){    /* String a character literals */
           int startchar, prevc;
           startchar = c;
           prevc = 0;
@@ -2600,8 +2600,8 @@ void Parse(struct lemon *gp)
             if( c=='\n' ) lineno++;
             if( prevc=='\\' ) prevc = 0;
             else              prevc = c;
-	  }
-	}
+          }
+        }
       }
       if( c==0 ){
         ErrorMsg(ps.filename,ps.tokenlineno,
@@ -4021,12 +4021,14 @@ void ReportHeader(struct lemon *lemp)
   else                    prefix = "";
   in = file_open(lemp,".h","rb");
   if( in ){
+    int nextChar;
     for(i=1; i<lemp->nterminal && fgets(line,LINESIZE,in); i++){
       sprintf(pattern,"#define %s%-30s %2d\n",prefix,lemp->symbols[i]->name,i);
       if( strcmp(line,pattern) ) break;
     }
+    nextChar = fgetc(in);
     fclose(in);
-    if( i==lemp->nterminal ){
+    if( i==lemp->nterminal && nextChar==EOF ){
       /* No change in the file.  Don't rewrite it. */
       return;
     }
diff --git a/tool/mksqlite3c-noext.tcl b/tool/mksqlite3c-noext.tcl
index 6ad3023..017ad62 100644
--- a/tool/mksqlite3c-noext.tcl
+++ b/tool/mksqlite3c-noext.tcl
@@ -100,7 +100,6 @@ foreach hdr {
    opcodes.h
    os_common.h
    os.h
-   os_os2.h
    pager.h
    parse.h
    pcache.h
@@ -233,7 +232,6 @@ foreach file {
    mem5.c
    mutex.c
    mutex_noop.c
-   mutex_os2.c
    mutex_unix.c
    mutex_w32.c
    malloc.c
@@ -244,7 +242,6 @@ foreach file {
    hash.c
    opcodes.c
 
-   os_os2.c
    os_unix.c
    os_win.c
 
diff --git a/tool/mksqlite3c.tcl b/tool/mksqlite3c.tcl
index 18f0521..2c569d7 100644
--- a/tool/mksqlite3c.tcl
+++ b/tool/mksqlite3c.tcl
@@ -104,7 +104,6 @@ foreach hdr {
    opcodes.h
    os_common.h
    os.h
-   os_os2.h
    pager.h
    parse.h
    pcache.h
@@ -238,7 +237,6 @@ foreach file {
    mem5.c
    mutex.c
    mutex_noop.c
-   mutex_os2.c
    mutex_unix.c
    mutex_w32.c
    malloc.c
@@ -249,7 +247,6 @@ foreach file {
    hash.c
    opcodes.c
 
-   os_os2.c
    os_unix.c
    os_win.c
 
diff --git a/tool/mksqlite3internalh.tcl b/tool/mksqlite3internalh.tcl
index f02a62d..406ef5c 100644
--- a/tool/mksqlite3internalh.tcl
+++ b/tool/mksqlite3internalh.tcl
@@ -61,7 +61,6 @@ foreach hdr {
    opcodes.h
    os_common.h
    os.h
-   os_os2.h
    pager.h
    parse.h
    sqlite3ext.h
diff --git a/tool/mkvsix.tcl b/tool/mkvsix.tcl
new file mode 100644
index 0000000..a751778
--- /dev/null
+++ b/tool/mkvsix.tcl
@@ -0,0 +1,419 @@
+#!/usr/bin/tclsh
+#
+# This script is used to generate a VSIX (Visual Studio Extension) file for
+# SQLite usable by Visual Studio.
+
+proc fail { {error ""} {usage false} } {
+  if {[string length $error] > 0} then {
+    puts stdout $error
+    if {!$usage} then {exit 1}
+  }
+
+  puts stdout "usage:\
+[file tail [info nameofexecutable]]\
+[file tail [info script]] <binaryDirectory> \[sourceDirectory\]"
+
+  exit 1
+}
+
+proc getEnvironmentVariable { name } {
+  #
+  # NOTE: Returns the value of the specified environment variable or an empty
+  #       string for environment variables that do not exist in the current
+  #       process environment.
+  #
+  return [expr {[info exists ::env($name)] ? $::env($name) : ""}]
+}
+
+proc getTemporaryPath {} {
+  #
+  # NOTE: Returns the normalized path to the first temporary directory found
+  #       in the typical set of environment variables used for that purpose
+  #       or an empty string to signal a failure to locate such a directory.
+  #
+  set names [list]
+
+  foreach name [list TEMP TMP] {
+    lappend names [string toupper $name] [string tolower $name] \
+        [string totitle $name]
+  }
+
+  foreach name $names {
+    set value [getEnvironmentVariable $name]
+
+    if {[string length $value] > 0} then {
+      return [file normalize $value]
+    }
+  }
+
+  return ""
+}
+
+proc appendArgs { args } {
+  #
+  # NOTE: Returns all passed arguments joined together as a single string with
+  #       no intervening spaces between arguments.
+  #
+  eval append result $args
+}
+
+proc readFile { fileName } {
+  #
+  # NOTE: Reads and returns the entire contents of the specified file, which
+  #       may contain binary data.
+  #
+  set file_id [open $fileName RDONLY]
+  fconfigure $file_id -encoding binary -translation binary
+  set result [read $file_id]
+  close $file_id
+  return $result
+}
+
+proc writeFile { fileName data } {
+  #
+  # NOTE: Writes the entire contents of the specified file, which may contain
+  #       binary data.
+  #
+  set file_id [open $fileName {WRONLY CREAT TRUNC}]
+  fconfigure $file_id -encoding binary -translation binary
+  puts -nonewline $file_id $data
+  close $file_id
+  return ""
+}
+
+proc substFile { fileName } {
+  #
+  # NOTE: Performs all Tcl command, variable, and backslash substitutions in
+  #       the specified file and then re-writes the contents of that same file
+  #       with the substituted data.
+  #
+  return [writeFile $fileName [uplevel 1 [list subst [readFile $fileName]]]]
+}
+
+proc replacePlatform { fileName platformName } {
+  #
+  # NOTE: Returns the specified file name containing the platform name instead
+  #       of platform placeholder tokens.
+  #
+  return [string map [list <platform> $platformName] $fileName]
+}
+
+set script [file normalize [info script]]
+
+if {[string length $script] == 0} then {
+  fail "script file currently being evaluated is unknown" true
+}
+
+set path [file dirname $script]
+set rootName [file rootname [file tail $script]]
+
+###############################################################################
+
+#
+# NOTE: Process and verify all the command line arguments.
+#
+set argc [llength $argv]
+if {$argc != 1 && $argc != 2} then {fail}
+
+set binaryDirectory [lindex $argv 0]
+
+if {[string length $binaryDirectory] == 0} then {
+  fail "invalid binary directory"
+}
+
+if {![file exists $binaryDirectory] || \
+    ![file isdirectory $binaryDirectory]} then {
+  fail "binary directory does not exist"
+}
+
+if {$argc == 2} then {
+  set sourceDirectory [lindex $argv 1]
+} else {
+  #
+  # NOTE: Assume that the source directory is the parent directory of the one
+  #       that contains this script file.
+  #
+  set sourceDirectory [file dirname $path]
+}
+
+if {[string length $sourceDirectory] == 0} then {
+  fail "invalid source directory"
+}
+
+if {![file exists $sourceDirectory] || \
+    ![file isdirectory $sourceDirectory]} then {
+  fail "source directory does not exist"
+}
+
+###############################################################################
+
+#
+# NOTE: Evaluate the user-specific customizations file, if it exists.
+#
+set userFile [file join $path [appendArgs \
+    $rootName . $tcl_platform(user) .tcl]]
+
+if {[file exists $userFile] && \
+    [file isfile $userFile]} then {
+  source $userFile
+}
+
+###############################################################################
+
+set templateFile [file join $path win sqlite.vsix]
+
+if {![file exists $templateFile] || \
+    ![file isfile $templateFile]} then {
+  fail [appendArgs "template file \"" $templateFile "\" does not exist"]
+}
+
+set currentDirectory [pwd]
+set outputFile [file join $currentDirectory sqlite-output.vsix]
+
+if {[file exists $outputFile]} then {
+  fail [appendArgs "output file \"" $outputFile "\" already exists"]
+}
+
+###############################################################################
+
+#
+# NOTE: Make sure that a valid temporary directory exists.
+#
+set temporaryDirectory [getTemporaryPath]
+
+if {[string length $temporaryDirectory] == 0 || \
+    ![file exists $temporaryDirectory] || \
+    ![file isdirectory $temporaryDirectory]} then {
+  fail "cannot locate a usable temporary directory"
+}
+
+#
+# NOTE: Setup the staging directory to have a unique name inside of the
+#       configured temporary directory.
+#
+set stagingDirectory [file normalize [file join $temporaryDirectory \
+    [appendArgs $rootName . [pid]]]]
+
+###############################################################################
+
+#
+# NOTE: Configure the external zipping tool.  First, see if it has already
+#       been pre-configured.  If not, try to query it from the environment.
+#       Finally, fallback on the default of simply "zip", which will then
+#       be assumed to exist somewhere along the PATH.
+#
+if {![info exists zip]} then {
+  if {[info exists env(ZipTool)]} then {
+    set zip $env(ZipTool)
+  }
+  if {![info exists zip] || ![file exists $zip]} then {
+    set zip zip
+  }
+}
+
+#
+# NOTE: Configure the external unzipping tool.  First, see if it has already
+#       been pre-configured.  If not, try to query it from the environment.
+#       Finally, fallback on the default of simply "unzip", which will then
+#       be assumed to exist somewhere along the PATH.
+#
+if {![info exists unzip]} then {
+  if {[info exists env(UnZipTool)]} then {
+    set unzip $env(UnZipTool)
+  }
+  if {![info exists unzip] || ![file exists $unzip]} then {
+    set unzip unzip
+  }
+}
+
+###############################################################################
+
+#
+# NOTE: Attempt to extract the SQLite version from the "sqlite3.h" header file
+#       in the source directory.  This script assumes that the header file has
+#       already been generated by the build process.
+#
+set pattern {^#define\s+SQLITE_VERSION\s+"(.*)"$}
+set data [readFile [file join $sourceDirectory sqlite3.h]]
+
+if {![regexp -line -- $pattern $data dummy version]} then {
+  fail [appendArgs "cannot locate SQLITE_VERSION value in \"" \
+      [file join $sourceDirectory sqlite3.h] \"]
+}
+
+###############################################################################
+
+#
+# NOTE: Setup the master file list data, including the necessary flags.
+#
+if {![info exists fileNames(source)]} then {
+  set fileNames(source) [list "" "" "" \
+      [file join $sourceDirectory sqlite3.h] \
+      [file join $binaryDirectory <platform> sqlite3.lib] \
+      [file join $binaryDirectory <platform> sqlite3.dll]]
+
+  if {![info exists no(symbols)]} then {
+    lappend fileNames(source) \
+        [file join $binaryDirectory <platform> sqlite3.pdb]
+  }
+}
+
+if {![info exists fileNames(destination)]} then {
+  set fileNames(destination) [list \
+      [file join $stagingDirectory extension.vsixmanifest] \
+      [file join $stagingDirectory SDKManifest.xml] \
+      [file join $stagingDirectory DesignTime CommonConfiguration \
+          <platform> SQLite.WinRT.props] \
+      [file join $stagingDirectory DesignTime CommonConfiguration \
+          <platform> sqlite3.h] \
+      [file join $stagingDirectory DesignTime CommonConfiguration \
+          <platform> sqlite3.lib] \
+      [file join $stagingDirectory Redist CommonConfiguration \
+          <platform> sqlite3.dll]]
+
+  if {![info exists no(symbols)]} then {
+    lappend fileNames(destination) \
+        [file join $stagingDirectory Redist Debug \
+            <platform> sqlite3.pdb]
+  }
+}
+
+if {![info exists fileNames(neutral)]} then {
+  set fileNames(neutral) [list 1 1 1 1 0 0]
+
+  if {![info exists no(symbols)]} then {
+    lappend fileNames(neutral) 0
+  }
+}
+
+if {![info exists fileNames(subst)]} then {
+  set fileNames(subst) [list 1 1 1 0 0 0]
+
+  if {![info exists no(symbols)]} then {
+    lappend fileNames(subst) 0
+  }
+}
+
+###############################################################################
+
+#
+# NOTE: Setup the list of platforms supported by this script.
+#
+if {![info exists platformNames]} then {
+  set platformNames [list x86 x64 ARM]
+}
+
+###############################################################################
+
+#
+# NOTE: Make sure the staging directory exists, creating it if necessary.
+#
+file mkdir $stagingDirectory
+
+#
+# NOTE: Build the Tcl command used to extract the template package to the
+#       staging directory.
+#
+set extractCommand [list exec -- $unzip $templateFile -d $stagingDirectory]
+
+#
+# NOTE: Extract the template package to the staging directory.
+#
+eval $extractCommand
+
+###############################################################################
+
+#
+# NOTE: Process each file in the master file list.  There are actually four
+#       parallel lists that contain the source file names, destination file
+#       names, the platform-neutral flags, and the use-subst flags.  When the
+#       platform-neutral flag is non-zero, the file is not platform-specific.
+#       When the use-subst flag is non-zero, the file is considered to be a
+#       text file that may contain Tcl variable and/or command replacements,
+#       to be dynamically replaced during processing.  If the source file name
+#       is an empty string, then the destination file name will be assumed to
+#       already exist in the staging directory and will not be copied; however,
+#       dynamic replacements may still be performed on the destination file
+#       prior to the package being re-zipped.
+#
+foreach sourceFileName $fileNames(source) \
+    destinationFileName $fileNames(destination) \
+    isNeutral $fileNames(neutral) useSubst $fileNames(subst) {
+  #
+  # NOTE: If the current file is platform-neutral, then only one platform will
+  #       be processed for it, namely "neutral"; otherwise, each supported
+  #       platform will be processed for it individually.
+  #
+  foreach platformName [expr {$isNeutral ? [list neutral] : $platformNames}] {
+    #
+    # NOTE: Use the actual platform name in the destination file name.
+    #
+    set newDestinationFileName [replacePlatform $destinationFileName \
+        $platformName]
+
+    #
+    # NOTE: Does the source file need to be copied to the destination file?
+    #
+    if {[string length $sourceFileName] > 0} then {
+      #
+      # NOTE: First, make sure the destination directory exists.
+      #
+      file mkdir [file dirname $newDestinationFileName]
+
+      #
+      # NOTE: Then, copy the source file to the destination file verbatim.
+      #
+      file copy [replacePlatform $sourceFileName $platformName] \
+          $newDestinationFileName
+    }
+
+    #
+    # NOTE: Does the destination file contain dynamic replacements that must
+    #       be processed now?
+    #
+    if {$useSubst} then {
+      #
+      # NOTE: Perform any dynamic replacements contained in the destination
+      #       file and then re-write it in-place.
+      #
+      substFile $newDestinationFileName
+    }
+  }
+}
+
+###############################################################################
+
+#
+# NOTE: Change the current directory to the staging directory so that the
+#       external archive building tool can pickup the necessary files using
+#       relative paths.
+#
+cd $stagingDirectory
+
+#
+# NOTE: Build the Tcl command used to archive the final package in the
+#       output directory.
+#
+set archiveCommand [list exec -- $zip -r $outputFile *]
+
+#
+# NOTE: Build the final package archive in the output directory.
+#
+eval $archiveCommand
+
+#
+# NOTE: Change back to the previously saved current directory.
+#
+cd $currentDirectory
+
+#
+# NOTE: Cleanup the temporary staging directory.
+#
+file delete -force $stagingDirectory
+
+###############################################################################
+
+#
+# NOTE: Success, emit the fully qualified path of the generated VSIX file.
+#
+puts stdout $outputFile
diff --git a/tool/omittest.tcl b/tool/omittest.tcl
index 7f13a4c..3351b96 100644
--- a/tool/omittest.tcl
+++ b/tool/omittest.tcl
@@ -53,8 +53,6 @@ proc run_quick_test {dir omit_symbol_list} {
   if {$::tcl_platform(platform)=="windows"} {
     append opts "OPTS += -DSQLITE_OS_WIN=1\n"
     set target "testfixture.exe"
-  } elseif {$::tcl_platform(platform)=="os2"} {
-    append opts "OPTS += -DSQLITE_OS_OS2=1\n"
   } else {
     append opts "OPTS += -DSQLITE_OS_UNIX=1\n"
   }
@@ -93,7 +91,7 @@ proc run_quick_test {dir omit_symbol_list} {
   # of trying to build the sqlite shell. The sqlite shell won't build 
   # with some of the OMIT options (i.e OMIT_COMPLETE).
   set sqlite3_dummy $dir/sqlite3
-  if {$::tcl_platform(platform)=="windows" || $::tcl_platform(platform)=="os2"} {
+  if {$::tcl_platform(platform)=="windows"} {
     append sqlite3_dummy ".exe"
   }
   if {![file exists $sqlite3_dummy]} {
@@ -127,8 +125,8 @@ proc run_quick_test {dir omit_symbol_list} {
 #
 proc process_options {argv} {
   set ::MAKEBIN make                        ;# Default value
-  if {$::tcl_platform(platform)=="windows" || $::tcl_platform(platform)=="os2"} {
-    set ::MAKEFILE ./Makefile               ;# Default value on Windows and OS2
+  if {$::tcl_platform(platform)=="windows"} {
+    set ::MAKEFILE ./Makefile               ;# Default value on Windows
   } else {
     set ::MAKEFILE ./Makefile.linux-gcc     ;# Default value
   }
diff --git a/tool/win/sqlite.vsix b/tool/win/sqlite.vsix
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