From 836b4b5108a30c441566312f066261421871f21d Mon Sep 17 00:00:00 2001
From: Nick Parker <nparker@zetetic.net>
Date: Fri, 21 Jun 2013 12:18:42 -0500
Subject: [PATCH] Adding 'none' option to --with-crypto-lib

This allows for skipping of the library check, useful when only
preparing the amalgamation.
---
 configure    | 37 +++++++++++++++++++++----------------
 configure.ac | 26 +++++++++++++++-----------
 2 files changed, 36 insertions(+), 27 deletions(-)

diff --git a/configure b/configure
index ead7202..808f5d5 100755
--- a/configure
+++ b/configure
@@ -10611,12 +10611,22 @@ fi
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for crypto library to use" >&5
 $as_echo_n "checking for crypto library to use... " >&6; }
-if test "$crypto_lib" = "libtomcrypt"; then
-  CFLAGS+=" -DSQLCIPHER_CRYPTO_LIBTOMCRYPT"
-  BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_LIBTOMCRYPT"
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: libtomcrypt" >&5
+if test "$crypto_lib" = "none"; then
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: none" >&5
+$as_echo "none" >&6; }
+else
+  if test "$crypto_lib" = "commoncrypto"; then
+    CFLAGS+=" -DSQLCIPHER_CRYPTO_CC"
+    BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_CC"
+	  { $as_echo "$as_me:${as_lineno-$LINENO}: result: commoncrypto" >&5
+$as_echo "commoncrypto" >&6; }
+  else
+    if test "$crypto_lib" = "libtomcrypt"; then
+      CFLAGS+=" -DSQLCIPHER_CRYPTO_LIBTOMCRYPT"
+      BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_LIBTOMCRYPT"
+      { $as_echo "$as_me:${as_lineno-$LINENO}: result: libtomcrypt" >&5
 $as_echo "libtomcrypt" >&6; }
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for register_cipher in -ltomcrypt" >&5
+      { $as_echo "$as_me:${as_lineno-$LINENO}: checking for register_cipher in -ltomcrypt" >&5
 $as_echo_n "checking for register_cipher in -ltomcrypt... " >&6; }
 if ${ac_cv_lib_tomcrypt_register_cipher+:} false; then :
   $as_echo_n "(cached) " >&6
@@ -10663,18 +10673,12 @@ else
   as_fn_error $? "Library crypto not found. Install libtomcrypt!\"" "$LINENO" 5
 fi
 
-else
-  if test "$crypto_lib" = "commoncrypto"; then
-    CFLAGS+=" -DSQLCIPHER_CRYPTO_CC"
-    BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_CC"
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: result: commoncrypto" >&5
-$as_echo "commoncrypto" >&6; }
-  else
-    CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL"
-    BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL"
-	  { $as_echo "$as_me:${as_lineno-$LINENO}: result: openssl" >&5
+    else
+        CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL"
+        BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL"
+	      { $as_echo "$as_me:${as_lineno-$LINENO}: result: openssl" >&5
 $as_echo "openssl" >&6; }
-    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for HMAC_Init_ex in -lcrypto" >&5
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for HMAC_Init_ex in -lcrypto" >&5
 $as_echo_n "checking for HMAC_Init_ex in -lcrypto... " >&6; }
 if ${ac_cv_lib_crypto_HMAC_Init_ex+:} false; then :
   $as_echo_n "(cached) " >&6
@@ -10721,6 +10725,7 @@ else
   as_fn_error $? "Library crypto not found. Install openssl!\"" "$LINENO" 5
 fi
 
+    fi
   fi
 fi
 
diff --git a/configure.ac b/configure.ac
index d4170a9..f226f14 100644
--- a/configure.ac
+++ b/configure.ac
@@ -257,23 +257,27 @@ AC_ARG_WITH([crypto-lib],
 AC_HELP_STRING([--with-crypto-lib],[Specify which crypto library to use]),
 crypto_lib=$withval)
 AC_MSG_CHECKING([for crypto library to use])
-if test "$crypto_lib" = "libtomcrypt"; then
-  CFLAGS+=" -DSQLCIPHER_CRYPTO_LIBTOMCRYPT"
-  BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_LIBTOMCRYPT"
-  AC_MSG_RESULT([libtomcrypt])
-  AC_CHECK_LIB([tomcrypt], [register_cipher], ,
-               AC_MSG_ERROR([Library crypto not found. Install libtomcrypt!"]))
+if test "$crypto_lib" = "none"; then
+  AC_MSG_RESULT([none])
 else
   if test "$crypto_lib" = "commoncrypto"; then
     CFLAGS+=" -DSQLCIPHER_CRYPTO_CC"
     BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_CC"
 	  AC_MSG_RESULT([commoncrypto])
   else
-    CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL"
-    BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL"
-	  AC_MSG_RESULT([openssl])
-    AC_CHECK_LIB([crypto], [HMAC_Init_ex], ,
-                 AC_MSG_ERROR([Library crypto not found. Install openssl!"]))
+    if test "$crypto_lib" = "libtomcrypt"; then
+      CFLAGS+=" -DSQLCIPHER_CRYPTO_LIBTOMCRYPT"
+      BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_LIBTOMCRYPT"
+      AC_MSG_RESULT([libtomcrypt])
+      AC_CHECK_LIB([tomcrypt], [register_cipher], ,
+                   AC_MSG_ERROR([Library crypto not found. Install libtomcrypt!"]))
+    else
+        CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL"
+        BUILD_CFLAGS+=" -DSQLCIPHER_CRYPTO_OPENSSL"
+	      AC_MSG_RESULT([openssl])
+        AC_CHECK_LIB([crypto], [HMAC_Init_ex], ,
+                     AC_MSG_ERROR([Library crypto not found. Install openssl!"]))
+    fi
   fi
 fi