diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000000..2da5709834 --- /dev/null +++ b/configure.ac @@ -0,0 +1,259 @@ +AC_PREREQ([2.60]) +AC_INIT([libsecp256k1],[0.1]) +AC_CONFIG_AUX_DIR([build-aux]) +AC_CONFIG_MACRO_DIR([build-aux/m4]) +AC_CANONICAL_HOST +AH_TOP([#ifndef LIBSECP256K1_CONFIG_H]) +AH_TOP([#define LIBSECP256K1_CONFIG_H]) +AH_BOTTOM([#endif //LIBSECP256K1_CONFIG_H]) +AM_INIT_AUTOMAKE([foreign]) +LT_INIT + +dnl make the compilation flags quiet unless V=1 is used +m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) + +PKG_PROG_PKG_CONFIG + +AC_PATH_TOOL(AR, ar) +AC_PATH_TOOL(RANLIB, ranlib) +AC_PATH_TOOL(STRIP, strip) + +AC_PROG_CC_C99 +if test x"$ac_cv_prog_cc_c99" == x"no"; then + AC_MSG_ERROR([c99 compiler support required]) +fi + +case $host in + *mingw*) + use_pkgconfig=no + ;; + *) + use_pkgconfig=yes + ;; +esac + +case $host_os in + darwin*) + CPPFLAGS="$CPPFLAGS -I/opt/local/include" + LDFLAGS="$LDFLAGS -L/opt/local/lib" + ;; +esac + +CFLAGS="$CFLAGS -W" + +warn_CFLAGS="-Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes -Wno-unused-function" +saved_CFLAGS="$CFLAGS" +CFLAGS="$CFLAGS $warn_CFLAGS" +AC_MSG_CHECKING([if ${CC} supports ${warn_CFLAGS}]) +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])], + [ AC_MSG_RESULT([yes]) ], + [ AC_MSG_RESULT([no]) + CFLAGS="$saved_CFLAGS" + ]) + + +AC_ARG_ENABLE(benchmark, + AS_HELP_STRING([--enable-benchmark],[compile benchmark (default is yes)]), + [use_benchmark=$enableval], + [use_benchmark=yes]) + +AC_ARG_ENABLE(tests, + AS_HELP_STRING([--enable-tests],[compile tests (default is yes)]), + [use_tests=$enableval], + [use_tests=yes]) + +AC_ARG_ENABLE(endomorphism, + AS_HELP_STRING([--enable-endomorphism],[enable endomorphism (default is no)]), + [use_endomorphism=$enableval], + [use_endomorphism=no]) + +AC_ARG_WITH([field], [AS_HELP_STRING([--with-field=gmp|64bit|64bit_asm|32bit|auto], +[Specify Field Implementation. Default is auto])],[req_field=$withval], [req_field=auto]) + +AC_ARG_WITH([bignum], [AS_HELP_STRING([--with-bignum=gmp|auto], +[Specify Bignum Implementation. Default is auto])],[req_bignum=$withval], [req_bignum=auto]) + +AC_ARG_WITH([scalar], [AS_HELP_STRING([--with-scalar=64bit|32bit|auto], +[Specify scalar implementation. Default is auto])],[req_scalar=$withval], [req_scalar=auto]) + +AC_CHECK_TYPES([__int128]) + +AC_CHECK_DECL(__builtin_expect,AC_DEFINE(HAVE_BUILTIN_EXPECT,1,[Define this symbol if __builtin_expect is available]),,) + +if test x"$req_field" = x"auto"; then + SECP_64BIT_ASM_CHECK + if test x"$has_64bit_asm" = x"yes"; then + set_field=64bit_asm + fi + + if test x"$set_field" = x; then + SECP_INT128_CHECK + if test x"$has_int128" = x"yes"; then + set_field=64bit + fi + fi + + if test x"$set_field" = x; then + SECP_GMP_CHECK + if test x"$has_gmp" = x"yes"; then + set_field=gmp + fi + fi + + if test x"$set_field" = x; then + set_field=32bit + fi +else + set_field=$req_field + case $set_field in + 64bit_asm) + SECP_64BIT_ASM_CHECK + ;; + 64bit) + SECP_INT128_CHECK + ;; + gmp) + SECP_GMP_CHECK + ;; + 32bit) + ;; + *) + AC_MSG_ERROR([invalid field implementation selection]) + ;; + esac +fi + +if test x"$req_scalar" = x"auto"; then + if test x"$set_scalar" = x; then + SECP_INT128_CHECK + if test x"$has_int128" = x"yes"; then + set_scalar=64bit + fi + fi + if test x"$set_scalar" = x; then + set_scalar=32bit + fi +else + set_scalar=$req_scalar + case $set_scalar in + 64bit) + SECP_INT128_CHECK + ;; + 32bit) + ;; + *) + AC_MSG_ERROR([invalid scalar implementation selected]) + ;; + esac +fi + +if test x"$req_bignum" = x"auto"; then + SECP_GMP_CHECK + if test x"$has_gmp" = x"yes"; then + set_bignum=gmp + fi + + if test x"$set_bignum" = x; then + AC_MSG_ERROR([no working bignum implementation found]) + fi +else + set_bignum=$req_bignum + case $set_bignum in + gmp) + SECP_GMP_CHECK + ;; + openssl) + SECP_OPENSSL_CHECK + ;; + *) + AC_MSG_ERROR([invalid bignum implementation selection]) + ;; + esac +fi + +# select field implementation +case $set_field in +64bit_asm) + AC_DEFINE(USE_FIELD_5X52_ASM, 1, [Define this symbol to use the assembly version for the 5x52 field implementation]) + AC_DEFINE(USE_FIELD_5X52, 1, [Define this symbol to use the FIELD_5X52 implementation]) + ;; +64bit) + AC_DEFINE(USE_FIELD_5X52_INT128, 1, [Define this symbol to use the __int128 version for the 5x52 field implementation]) + AC_DEFINE(USE_FIELD_5X52, 1, [Define this symbol to use the FIELD_5X52 implementation]) + ;; +gmp) + AC_DEFINE(HAVE_LIBGMP,1,[Define this symbol if libgmp is installed]) + AC_DEFINE(USE_FIELD_GMP, 1, [Define this symbol to use the FIELD_GMP implementation]) + ;; +32bit) + AC_DEFINE(USE_FIELD_10X26, 1, [Define this symbol to use the FIELD_10X26 implementation]) + ;; +*) + AC_MSG_ERROR([invalid field implementation]) + ;; +esac + +# select bignum implementation +case $set_bignum in +gmp) + AC_DEFINE(HAVE_LIBGMP,1,[Define this symbol if libgmp is installed]) + AC_DEFINE(USE_NUM_GMP, 1, [Define this symbol to use the gmp implementation]) + AC_DEFINE(USE_FIELD_INV_NUM, 1, [Define this symbol to use the USE_FIELD_INV_NUM implementation]) + ;; +*) + AC_MSG_ERROR([invalid bignum implementation]) + ;; +esac + +#select scalar implementation +case $set_scalar in +64bit) + AC_DEFINE(USE_SCALAR_4X64, 1, [Define this symbol to use the 4x64 scalar implementation]) + ;; +32bit) + AC_DEFINE(USE_SCALAR_8X32, 1, [Define this symbol to use the 8x32 scalar implementation]) + ;; +*) + AC_MSG_ERROR([invalid scalar implementation]) + ;; +esac + +if test x"$use_tests" = x"yes"; then + SECP_OPENSSL_CHECK + if test x"$has_openssl_ec" == x"yes"; then + AC_DEFINE(ENABLE_OPENSSL_TESTS, 1, [Define this symbol if OpenSSL EC functions are available]) + SECP_TEST_INCLUDES="$SSL_CFLAGS $CRYPTO_CFLAGS" + SECP_TEST_LIBS="$CRYPTO_LIBS" + + case $host in + *mingw*) + SECP_TEST_LIBS="$SECP_TEST_LIBS -lgdi32" + ;; + esac + + fi +fi + +if test x"$set_field" = x"gmp" || test x"$set_bignum" = x"gmp"; then + SECP_LIBS="$SECP_LIBS $GMP_LIBS" +fi + +if test x"$use_endomorphism" = x"yes"; then + AC_DEFINE(USE_ENDOMORPHISM, 1, [Define this symbol to use endomorphism]) +fi + +AC_MSG_NOTICE([Using field implementation: $set_field]) +AC_MSG_NOTICE([Using bignum implementation: $set_bignum]) +AC_MSG_NOTICE([Using scalar implementation: $set_scalar]) + +AC_CONFIG_HEADERS([src/libsecp256k1-config.h]) +AC_CONFIG_FILES([Makefile libsecp256k1.pc]) +AC_SUBST(SECP_INCLUDES) +AC_SUBST(SECP_LIBS) +AC_SUBST(SECP_TEST_LIBS) +AC_SUBST(SECP_TEST_INCLUDES) +AC_SUBST(YASM_BINFMT) +AM_CONDITIONAL([USE_ASM], [test x"$set_field" == x"64bit_asm"]) +AM_CONDITIONAL([USE_TESTS], [test x"$use_tests" != x"no"]) +AM_CONDITIONAL([USE_BENCHMARK], [test x"$use_benchmark" != x"no"]) +AC_OUTPUT |