592 lines
18 KiB
Plaintext
592 lines
18 KiB
Plaintext
AC_PREREQ([2.60])
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AC_INIT([libsecp256k1],[0.1])
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AC_CONFIG_AUX_DIR([build-aux])
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AC_CONFIG_MACRO_DIR([build-aux/m4])
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AC_CANONICAL_HOST
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AH_TOP([#ifndef LIBSECP256K1_CONFIG_H])
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AH_TOP([#define LIBSECP256K1_CONFIG_H])
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AH_BOTTOM([#endif /*LIBSECP256K1_CONFIG_H*/])
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AM_INIT_AUTOMAKE([foreign subdir-objects])
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LT_INIT
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dnl make the compilation flags quiet unless V=1 is used
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m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
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PKG_PROG_PKG_CONFIG
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AC_PATH_TOOL(AR, ar)
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AC_PATH_TOOL(RANLIB, ranlib)
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AC_PATH_TOOL(STRIP, strip)
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AX_PROG_CC_FOR_BUILD
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if test "x$CFLAGS" = "x"; then
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CFLAGS="-g"
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fi
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AM_PROG_CC_C_O
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AC_PROG_CC_C89
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if test x"$ac_cv_prog_cc_c89" = x"no"; then
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AC_MSG_ERROR([c89 compiler support required])
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fi
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AM_PROG_AS
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case $host_os in
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*darwin*)
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if test x$cross_compiling != xyes; then
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AC_PATH_PROG([BREW],brew,)
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if test x$BREW != x; then
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dnl These Homebrew packages may be keg-only, meaning that they won't be found
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dnl in expected paths because they may conflict with system files. Ask
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dnl Homebrew where each one is located, then adjust paths accordingly.
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openssl_prefix=`$BREW --prefix openssl 2>/dev/null`
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gmp_prefix=`$BREW --prefix gmp 2>/dev/null`
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if test x$openssl_prefix != x; then
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PKG_CONFIG_PATH="$openssl_prefix/lib/pkgconfig:$PKG_CONFIG_PATH"
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export PKG_CONFIG_PATH
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fi
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if test x$gmp_prefix != x; then
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GMP_CPPFLAGS="-I$gmp_prefix/include"
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GMP_LIBS="-L$gmp_prefix/lib"
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fi
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else
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AC_PATH_PROG([PORT],port,)
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dnl if homebrew isn't installed and macports is, add the macports default paths
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dnl as a last resort.
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if test x$PORT != x; then
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CPPFLAGS="$CPPFLAGS -isystem /opt/local/include"
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LDFLAGS="$LDFLAGS -L/opt/local/lib"
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fi
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fi
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fi
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;;
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esac
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CFLAGS="$CFLAGS -W"
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warn_CFLAGS="-std=c89 -pedantic -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes -Wno-unused-function -Wno-long-long -Wno-overlength-strings"
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saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $warn_CFLAGS"
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AC_MSG_CHECKING([if ${CC} supports ${warn_CFLAGS}])
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])],
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[ AC_MSG_RESULT([yes]) ],
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[ AC_MSG_RESULT([no])
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CFLAGS="$saved_CFLAGS"
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])
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saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -fvisibility=hidden"
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AC_MSG_CHECKING([if ${CC} supports -fvisibility=hidden])
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])],
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[ AC_MSG_RESULT([yes]) ],
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[ AC_MSG_RESULT([no])
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CFLAGS="$saved_CFLAGS"
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])
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AC_ARG_ENABLE(benchmark,
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AS_HELP_STRING([--enable-benchmark],[compile benchmark [default=yes]]),
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[use_benchmark=$enableval],
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[use_benchmark=yes])
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AC_ARG_ENABLE(coverage,
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AS_HELP_STRING([--enable-coverage],[enable compiler flags to support kcov coverage analysis [default=no]]),
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[enable_coverage=$enableval],
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[enable_coverage=no])
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AC_ARG_ENABLE(tests,
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AS_HELP_STRING([--enable-tests],[compile tests [default=yes]]),
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[use_tests=$enableval],
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[use_tests=yes])
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AC_ARG_ENABLE(openssl_tests,
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AS_HELP_STRING([--enable-openssl-tests],[enable OpenSSL tests [default=auto]]),
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[enable_openssl_tests=$enableval],
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[enable_openssl_tests=auto])
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AC_ARG_ENABLE(experimental,
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AS_HELP_STRING([--enable-experimental],[allow experimental configure options [default=no]]),
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[use_experimental=$enableval],
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[use_experimental=no])
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AC_ARG_ENABLE(exhaustive_tests,
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AS_HELP_STRING([--enable-exhaustive-tests],[compile exhaustive tests [default=yes]]),
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[use_exhaustive_tests=$enableval],
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[use_exhaustive_tests=yes])
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AC_ARG_ENABLE(endomorphism,
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AS_HELP_STRING([--enable-endomorphism],[enable endomorphism [default=no]]),
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[use_endomorphism=$enableval],
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[use_endomorphism=no])
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AC_ARG_ENABLE(ecmult_static_precomputation,
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AS_HELP_STRING([--enable-ecmult-static-precomputation],[enable precomputed ecmult table for signing [default=auto]]),
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[use_ecmult_static_precomputation=$enableval],
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[use_ecmult_static_precomputation=auto])
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AC_ARG_ENABLE(module_ecdh,
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AS_HELP_STRING([--enable-module-ecdh],[enable ECDH shared secret computation (experimental)]),
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[enable_module_ecdh=$enableval],
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[enable_module_ecdh=no])
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AC_ARG_ENABLE(module_recovery,
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AS_HELP_STRING([--enable-module-recovery],[enable ECDSA pubkey recovery module [default=no]]),
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[enable_module_recovery=$enableval],
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[enable_module_recovery=no])
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AC_ARG_ENABLE(external_default_callbacks,
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AS_HELP_STRING([--enable-external-default-callbacks],[enable external default callback functions [default=no]]),
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[use_external_default_callbacks=$enableval],
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[use_external_default_callbacks=no])
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AC_ARG_ENABLE(jni,
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AS_HELP_STRING([--enable-jni],[enable libsecp256k1_jni [default=no]]),
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[use_jni=$enableval],
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[use_jni=no])
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AC_ARG_WITH([field], [AS_HELP_STRING([--with-field=64bit|32bit|auto],
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[finite field implementation to use [default=auto]])],[req_field=$withval], [req_field=auto])
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AC_ARG_WITH([bignum], [AS_HELP_STRING([--with-bignum=gmp|no|auto],
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[bignum implementation to use [default=auto]])],[req_bignum=$withval], [req_bignum=auto])
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AC_ARG_WITH([scalar], [AS_HELP_STRING([--with-scalar=64bit|32bit|auto],
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[scalar implementation to use [default=auto]])],[req_scalar=$withval], [req_scalar=auto])
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AC_ARG_WITH([asm], [AS_HELP_STRING([--with-asm=x86_64|arm|no|auto],
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[assembly optimizations to use (experimental: arm) [default=auto]])],[req_asm=$withval], [req_asm=auto])
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AC_ARG_WITH([ecmult-window], [AS_HELP_STRING([--with-ecmult-window=SIZE|auto],
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[window size for ecmult precomputation for verification, specified as integer in range [2..24].]
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[Larger values result in possibly better performance at the cost of an exponentially larger precomputed table.]
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[The table will store 2^(SIZE-2) * 64 bytes of data but can be larger in memory due to platform-specific padding and alignment.]
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[If the endomorphism optimization is enabled, two tables of this size are used instead of only one.]
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["auto" is a reasonable setting for desktop machines (currently 15). [default=auto]]
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)],
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[req_ecmult_window=$withval], [req_ecmult_window=auto])
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AC_ARG_WITH([ecmult-gen-precision], [AS_HELP_STRING([--with-ecmult-gen-precision=2|4|8|auto],
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[Precision bits to tune the precomputed table size for signing.]
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[The size of the table is 32kB for 2 bits, 64kB for 4 bits, 512kB for 8 bits of precision.]
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[A larger table size usually results in possible faster signing.]
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["auto" is a reasonable setting for desktop machines (currently 4). [default=auto]]
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)],
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[req_ecmult_gen_precision=$withval], [req_ecmult_gen_precision=auto])
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AC_CHECK_TYPES([__int128])
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if test x"$enable_coverage" = x"yes"; then
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AC_DEFINE(COVERAGE, 1, [Define this symbol to compile out all VERIFY code])
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CFLAGS="$CFLAGS -O0 --coverage"
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LDFLAGS="$LDFLAGS --coverage"
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else
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CFLAGS="$CFLAGS -O3"
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fi
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if test x"$use_ecmult_static_precomputation" != x"no"; then
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# Temporarily switch to an environment for the native compiler
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save_cross_compiling=$cross_compiling
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cross_compiling=no
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SAVE_CC="$CC"
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CC="$CC_FOR_BUILD"
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SAVE_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS_FOR_BUILD"
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SAVE_CPPFLAGS="$CPPFLAGS"
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CPPFLAGS="$CPPFLAGS_FOR_BUILD"
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SAVE_LDFLAGS="$LDFLAGS"
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LDFLAGS="$LDFLAGS_FOR_BUILD"
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warn_CFLAGS_FOR_BUILD="-Wall -Wextra -Wno-unused-function"
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saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $warn_CFLAGS_FOR_BUILD"
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AC_MSG_CHECKING([if native ${CC_FOR_BUILD} supports ${warn_CFLAGS_FOR_BUILD}])
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])],
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[ AC_MSG_RESULT([yes]) ],
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[ AC_MSG_RESULT([no])
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CFLAGS="$saved_CFLAGS"
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])
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AC_MSG_CHECKING([for working native compiler: ${CC_FOR_BUILD}])
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AC_RUN_IFELSE(
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[AC_LANG_PROGRAM([], [])],
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[working_native_cc=yes],
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[working_native_cc=no],[dnl])
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CFLAGS_FOR_BUILD="$CFLAGS"
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# Restore the environment
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cross_compiling=$save_cross_compiling
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CC="$SAVE_CC"
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CFLAGS="$SAVE_CFLAGS"
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CPPFLAGS="$SAVE_CPPFLAGS"
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LDFLAGS="$SAVE_LDFLAGS"
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if test x"$working_native_cc" = x"no"; then
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AC_MSG_RESULT([no])
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set_precomp=no
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m4_define([please_set_for_build], [Please set CC_FOR_BUILD, CFLAGS_FOR_BUILD, CPPFLAGS_FOR_BUILD, and/or LDFLAGS_FOR_BUILD.])
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if test x"$use_ecmult_static_precomputation" = x"yes"; then
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AC_MSG_ERROR([native compiler ${CC_FOR_BUILD} does not produce working binaries. please_set_for_build])
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else
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AC_MSG_WARN([Disabling statically generated ecmult table because the native compiler ${CC_FOR_BUILD} does not produce working binaries. please_set_for_build])
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fi
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else
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AC_MSG_RESULT([yes])
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set_precomp=yes
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fi
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else
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set_precomp=no
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fi
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if test x"$req_asm" = x"auto"; then
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SECP_64BIT_ASM_CHECK
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if test x"$has_64bit_asm" = x"yes"; then
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set_asm=x86_64
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fi
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if test x"$set_asm" = x; then
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set_asm=no
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fi
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else
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set_asm=$req_asm
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case $set_asm in
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x86_64)
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SECP_64BIT_ASM_CHECK
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if test x"$has_64bit_asm" != x"yes"; then
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AC_MSG_ERROR([x86_64 assembly optimization requested but not available])
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fi
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;;
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arm)
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;;
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no)
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;;
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*)
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AC_MSG_ERROR([invalid assembly optimization selection])
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;;
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esac
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fi
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if test x"$req_field" = x"auto"; then
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if test x"set_asm" = x"x86_64"; then
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set_field=64bit
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fi
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if test x"$set_field" = x; then
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SECP_INT128_CHECK
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if test x"$has_int128" = x"yes"; then
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set_field=64bit
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fi
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fi
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if test x"$set_field" = x; then
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set_field=32bit
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fi
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else
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set_field=$req_field
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case $set_field in
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64bit)
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if test x"$set_asm" != x"x86_64"; then
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SECP_INT128_CHECK
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if test x"$has_int128" != x"yes"; then
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AC_MSG_ERROR([64bit field explicitly requested but neither __int128 support or x86_64 assembly available])
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fi
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fi
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;;
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32bit)
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;;
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*)
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AC_MSG_ERROR([invalid field implementation selection])
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;;
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esac
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fi
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if test x"$req_scalar" = x"auto"; then
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SECP_INT128_CHECK
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if test x"$has_int128" = x"yes"; then
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set_scalar=64bit
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fi
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if test x"$set_scalar" = x; then
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set_scalar=32bit
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fi
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else
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set_scalar=$req_scalar
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case $set_scalar in
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64bit)
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SECP_INT128_CHECK
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if test x"$has_int128" != x"yes"; then
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AC_MSG_ERROR([64bit scalar explicitly requested but __int128 support not available])
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fi
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;;
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32bit)
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;;
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*)
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AC_MSG_ERROR([invalid scalar implementation selected])
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;;
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esac
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fi
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if test x"$req_bignum" = x"auto"; then
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SECP_GMP_CHECK
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if test x"$has_gmp" = x"yes"; then
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set_bignum=gmp
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fi
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if test x"$set_bignum" = x; then
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set_bignum=no
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fi
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else
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set_bignum=$req_bignum
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case $set_bignum in
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gmp)
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SECP_GMP_CHECK
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if test x"$has_gmp" != x"yes"; then
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AC_MSG_ERROR([gmp bignum explicitly requested but libgmp not available])
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fi
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;;
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no)
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;;
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*)
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AC_MSG_ERROR([invalid bignum implementation selection])
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;;
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esac
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fi
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# select assembly optimization
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use_external_asm=no
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case $set_asm in
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x86_64)
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AC_DEFINE(USE_ASM_X86_64, 1, [Define this symbol to enable x86_64 assembly optimizations])
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;;
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arm)
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use_external_asm=yes
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;;
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no)
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;;
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*)
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AC_MSG_ERROR([invalid assembly optimizations])
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;;
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esac
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# select field implementation
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case $set_field in
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64bit)
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AC_DEFINE(USE_FIELD_5X52, 1, [Define this symbol to use the FIELD_5X52 implementation])
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;;
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32bit)
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AC_DEFINE(USE_FIELD_10X26, 1, [Define this symbol to use the FIELD_10X26 implementation])
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;;
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*)
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AC_MSG_ERROR([invalid field implementation])
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;;
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esac
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# select bignum implementation
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case $set_bignum in
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gmp)
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AC_DEFINE(HAVE_LIBGMP, 1, [Define this symbol if libgmp is installed])
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AC_DEFINE(USE_NUM_GMP, 1, [Define this symbol to use the gmp implementation for num])
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AC_DEFINE(USE_FIELD_INV_NUM, 1, [Define this symbol to use the num-based field inverse implementation])
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AC_DEFINE(USE_SCALAR_INV_NUM, 1, [Define this symbol to use the num-based scalar inverse implementation])
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;;
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no)
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AC_DEFINE(USE_NUM_NONE, 1, [Define this symbol to use no num implementation])
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AC_DEFINE(USE_FIELD_INV_BUILTIN, 1, [Define this symbol to use the native field inverse implementation])
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AC_DEFINE(USE_SCALAR_INV_BUILTIN, 1, [Define this symbol to use the native scalar inverse implementation])
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;;
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*)
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AC_MSG_ERROR([invalid bignum implementation])
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;;
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esac
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#select scalar implementation
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case $set_scalar in
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64bit)
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AC_DEFINE(USE_SCALAR_4X64, 1, [Define this symbol to use the 4x64 scalar implementation])
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;;
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32bit)
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AC_DEFINE(USE_SCALAR_8X32, 1, [Define this symbol to use the 8x32 scalar implementation])
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;;
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*)
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AC_MSG_ERROR([invalid scalar implementation])
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;;
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esac
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#set ecmult window size
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if test x"$req_ecmult_window" = x"auto"; then
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set_ecmult_window=15
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else
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set_ecmult_window=$req_ecmult_window
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fi
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error_window_size=['window size for ecmult precomputation not an integer in range [2..24] or "auto"']
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case $set_ecmult_window in
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''|*[[!0-9]]*)
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# no valid integer
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AC_MSG_ERROR($error_window_size)
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;;
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*)
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if test "$set_ecmult_window" -lt 2 -o "$set_ecmult_window" -gt 24 ; then
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# not in range
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AC_MSG_ERROR($error_window_size)
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fi
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AC_DEFINE_UNQUOTED(ECMULT_WINDOW_SIZE, $set_ecmult_window, [Set window size for ecmult precomputation])
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;;
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esac
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#set ecmult gen precision
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if test x"$req_ecmult_gen_precision" = x"auto"; then
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set_ecmult_gen_precision=4
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else
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set_ecmult_gen_precision=$req_ecmult_gen_precision
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fi
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case $set_ecmult_gen_precision in
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2|4|8)
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AC_DEFINE_UNQUOTED(ECMULT_GEN_PREC_BITS, $set_ecmult_gen_precision, [Set ecmult gen precision bits])
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;;
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*)
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AC_MSG_ERROR(['ecmult gen precision not 2, 4, 8 or "auto"'])
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;;
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esac
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if test x"$use_tests" = x"yes"; then
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SECP_OPENSSL_CHECK
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if test x"$has_openssl_ec" = x"yes"; then
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if test x"$enable_openssl_tests" != x"no"; then
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AC_DEFINE(ENABLE_OPENSSL_TESTS, 1, [Define this symbol if OpenSSL EC functions are available])
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SECP_TEST_INCLUDES="$SSL_CFLAGS $CRYPTO_CFLAGS"
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SECP_TEST_LIBS="$CRYPTO_LIBS"
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case $host in
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*mingw*)
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SECP_TEST_LIBS="$SECP_TEST_LIBS -lgdi32"
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;;
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esac
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fi
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else
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if test x"$enable_openssl_tests" = x"yes"; then
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AC_MSG_ERROR([OpenSSL tests requested but OpenSSL with EC support is not available])
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fi
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fi
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else
|
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if test x"$enable_openssl_tests" = x"yes"; then
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AC_MSG_ERROR([OpenSSL tests requested but tests are not enabled])
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fi
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fi
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|
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if test x"$use_jni" != x"no"; then
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AX_JNI_INCLUDE_DIR
|
||
have_jni_dependencies=yes
|
||
if test x"$enable_module_ecdh" = x"no"; then
|
||
have_jni_dependencies=no
|
||
fi
|
||
if test "x$JNI_INCLUDE_DIRS" = "x"; then
|
||
have_jni_dependencies=no
|
||
fi
|
||
if test "x$have_jni_dependencies" = "xno"; then
|
||
if test x"$use_jni" = x"yes"; then
|
||
AC_MSG_ERROR([jni support explicitly requested but headers/dependencies were not found. Enable ECDH and try again.])
|
||
fi
|
||
AC_MSG_WARN([jni headers/dependencies not found. jni support disabled])
|
||
use_jni=no
|
||
else
|
||
use_jni=yes
|
||
for JNI_INCLUDE_DIR in $JNI_INCLUDE_DIRS; do
|
||
JNI_INCLUDES="$JNI_INCLUDES -I$JNI_INCLUDE_DIR"
|
||
done
|
||
fi
|
||
fi
|
||
|
||
if test x"$set_bignum" = x"gmp"; then
|
||
SECP_LIBS="$SECP_LIBS $GMP_LIBS"
|
||
SECP_INCLUDES="$SECP_INCLUDES $GMP_CPPFLAGS"
|
||
fi
|
||
|
||
if test x"$use_endomorphism" = x"yes"; then
|
||
AC_DEFINE(USE_ENDOMORPHISM, 1, [Define this symbol to use endomorphism optimization])
|
||
fi
|
||
|
||
if test x"$set_precomp" = x"yes"; then
|
||
AC_DEFINE(USE_ECMULT_STATIC_PRECOMPUTATION, 1, [Define this symbol to use a statically generated ecmult table])
|
||
fi
|
||
|
||
if test x"$enable_module_ecdh" = x"yes"; then
|
||
AC_DEFINE(ENABLE_MODULE_ECDH, 1, [Define this symbol to enable the ECDH module])
|
||
fi
|
||
|
||
if test x"$enable_module_recovery" = x"yes"; then
|
||
AC_DEFINE(ENABLE_MODULE_RECOVERY, 1, [Define this symbol to enable the ECDSA pubkey recovery module])
|
||
fi
|
||
|
||
AC_C_BIGENDIAN()
|
||
|
||
if test x"$use_external_asm" = x"yes"; then
|
||
AC_DEFINE(USE_EXTERNAL_ASM, 1, [Define this symbol if an external (non-inline) assembly implementation is used])
|
||
fi
|
||
|
||
if test x"$use_external_default_callbacks" = x"yes"; then
|
||
AC_DEFINE(USE_EXTERNAL_DEFAULT_CALLBACKS, 1, [Define this symbol if an external implementation of the default callbacks is used])
|
||
fi
|
||
|
||
if test x"$enable_experimental" = x"yes"; then
|
||
AC_MSG_NOTICE([******])
|
||
AC_MSG_NOTICE([WARNING: experimental build])
|
||
AC_MSG_NOTICE([Experimental features do not have stable APIs or properties, and may not be safe for production use.])
|
||
AC_MSG_NOTICE([Building ECDH module: $enable_module_ecdh])
|
||
AC_MSG_NOTICE([******])
|
||
else
|
||
if test x"$enable_module_ecdh" = x"yes"; then
|
||
AC_MSG_ERROR([ECDH module is experimental. Use --enable-experimental to allow.])
|
||
fi
|
||
if test x"$set_asm" = x"arm"; then
|
||
AC_MSG_ERROR([ARM assembly optimization is experimental. Use --enable-experimental to allow.])
|
||
fi
|
||
fi
|
||
|
||
AC_CONFIG_HEADERS([src/libsecp256k1-config.h])
|
||
AC_CONFIG_FILES([Makefile libsecp256k1.pc])
|
||
AC_SUBST(JNI_INCLUDES)
|
||
AC_SUBST(SECP_INCLUDES)
|
||
AC_SUBST(SECP_LIBS)
|
||
AC_SUBST(SECP_TEST_LIBS)
|
||
AC_SUBST(SECP_TEST_INCLUDES)
|
||
AM_CONDITIONAL([ENABLE_COVERAGE], [test x"$enable_coverage" = x"yes"])
|
||
AM_CONDITIONAL([USE_TESTS], [test x"$use_tests" != x"no"])
|
||
AM_CONDITIONAL([USE_EXHAUSTIVE_TESTS], [test x"$use_exhaustive_tests" != x"no"])
|
||
AM_CONDITIONAL([USE_BENCHMARK], [test x"$use_benchmark" = x"yes"])
|
||
AM_CONDITIONAL([USE_ECMULT_STATIC_PRECOMPUTATION], [test x"$set_precomp" = x"yes"])
|
||
AM_CONDITIONAL([ENABLE_MODULE_ECDH], [test x"$enable_module_ecdh" = x"yes"])
|
||
AM_CONDITIONAL([ENABLE_MODULE_RECOVERY], [test x"$enable_module_recovery" = x"yes"])
|
||
AM_CONDITIONAL([USE_JNI], [test x"$use_jni" = x"yes"])
|
||
AM_CONDITIONAL([USE_EXTERNAL_ASM], [test x"$use_external_asm" = x"yes"])
|
||
AM_CONDITIONAL([USE_ASM_ARM], [test x"$set_asm" = x"arm"])
|
||
|
||
dnl make sure nothing new is exported so that we don't break the cache
|
||
PKGCONFIG_PATH_TEMP="$PKG_CONFIG_PATH"
|
||
unset PKG_CONFIG_PATH
|
||
PKG_CONFIG_PATH="$PKGCONFIG_PATH_TEMP"
|
||
|
||
AC_OUTPUT
|
||
|
||
echo
|
||
echo "Build Options:"
|
||
echo " with endomorphism = $use_endomorphism"
|
||
echo " with ecmult precomp = $set_precomp"
|
||
echo " with external callbacks = $use_external_default_callbacks"
|
||
echo " with jni = $use_jni"
|
||
echo " with benchmarks = $use_benchmark"
|
||
echo " with coverage = $enable_coverage"
|
||
echo " module ecdh = $enable_module_ecdh"
|
||
echo " module recovery = $enable_module_recovery"
|
||
echo
|
||
echo " asm = $set_asm"
|
||
echo " bignum = $set_bignum"
|
||
echo " field = $set_field"
|
||
echo " scalar = $set_scalar"
|
||
echo " ecmult window size = $set_ecmult_window"
|
||
echo " ecmult gen prec. bits = $set_ecmult_gen_precision"
|
||
echo
|
||
echo " CC = $CC"
|
||
echo " CFLAGS = $CFLAGS"
|
||
echo " CPPFLAGS = $CPPFLAGS"
|
||
echo " LDFLAGS = $LDFLAGS"
|
||
echo
|