diff options
Diffstat (limited to 'src/secp256k1/configure.ac')
| -rw-r--r-- | src/secp256k1/configure.ac | 177 |
1 files changed, 123 insertions, 54 deletions
diff --git a/src/secp256k1/configure.ac b/src/secp256k1/configure.ac index 2da5709834..f691156ff7 100644 --- a/src/secp256k1/configure.ac +++ b/src/secp256k1/configure.ac @@ -6,7 +6,7 @@ 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]) +AM_INIT_AUTOMAKE([foreign subdir-objects]) LT_INIT dnl make the compilation flags quiet unless V=1 is used @@ -18,8 +18,12 @@ AC_PATH_TOOL(AR, ar) AC_PATH_TOOL(RANLIB, ranlib) AC_PATH_TOOL(STRIP, strip) +if test "x$CFLAGS" = "x"; then + CFLAGS="-O3 -g" +fi + AC_PROG_CC_C99 -if test x"$ac_cv_prog_cc_c99" == x"no"; then +if test x"$ac_cv_prog_cc_c99" = x"no"; then AC_MSG_ERROR([c99 compiler support required]) fi @@ -33,10 +37,35 @@ case $host in esac case $host_os in - darwin*) - CPPFLAGS="$CPPFLAGS -I/opt/local/include" - LDFLAGS="$LDFLAGS -L/opt/local/lib" - ;; + *darwin*) + if test x$cross_compiling != xyes; then + AC_PATH_PROG([BREW],brew,) + if test x$BREW != x; then + dnl These Homebrew packages may be keg-only, meaning that they won't be found + dnl in expected paths because they may conflict with system files. Ask + dnl Homebrew where each one is located, then adjust paths accordingly. + + openssl_prefix=`$BREW --prefix openssl 2>/dev/null` + gmp_prefix=`$BREW --prefix gmp 2>/dev/null` + if test x$openssl_prefix != x; then + PKG_CONFIG_PATH="$openssl_prefix/lib/pkgconfig:$PKG_CONFIG_PATH" + export PKG_CONFIG_PATH + fi + if test x$gmp_prefix != x; then + GMP_CPPFLAGS="-I$gmp_prefix/include" + GMP_LIBS="-L$gmp_prefix/lib" + fi + else + AC_PATH_PROG([PORT],port,) + dnl if homebrew isn't installed and macports is, add the macports default paths + dnl as a last resort. + if test x$PORT != x; then + CPPFLAGS="$CPPFLAGS -isystem /opt/local/include" + LDFLAGS="$LDFLAGS -L/opt/local/lib" + fi + fi + fi + ;; esac CFLAGS="$CFLAGS -W" @@ -53,9 +82,9 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])], AC_ARG_ENABLE(benchmark, - AS_HELP_STRING([--enable-benchmark],[compile benchmark (default is yes)]), + AS_HELP_STRING([--enable-benchmark],[compile benchmark (default is no)]), [use_benchmark=$enableval], - [use_benchmark=yes]) + [use_benchmark=no]) AC_ARG_ENABLE(tests, AS_HELP_STRING([--enable-tests],[compile tests (default is yes)]), @@ -67,53 +96,74 @@ AC_ARG_ENABLE(endomorphism, [use_endomorphism=$enableval], [use_endomorphism=no]) -AC_ARG_WITH([field], [AS_HELP_STRING([--with-field=gmp|64bit|64bit_asm|32bit|auto], +AC_ARG_WITH([field], [AS_HELP_STRING([--with-field=64bit|32bit|auto], [Specify Field Implementation. Default is auto])],[req_field=$withval], [req_field=auto]) -AC_ARG_WITH([bignum], [AS_HELP_STRING([--with-bignum=gmp|auto], +AC_ARG_WITH([bignum], [AS_HELP_STRING([--with-bignum=gmp|no|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_ARG_WITH([asm], [AS_HELP_STRING([--with-asm=x86_64|no|auto] +[Specify assembly optimizations to use. Default is auto])],[req_asm=$withval], [req_asm=auto]) + AC_CHECK_TYPES([__int128]) -AC_CHECK_DECL(__builtin_expect,AC_DEFINE(HAVE_BUILTIN_EXPECT,1,[Define this symbol if __builtin_expect is available]),,) +AC_MSG_CHECKING([for __builtin_expect]) +AC_COMPILE_IFELSE([AC_LANG_SOURCE([[void myfunc() {__builtin_expect(0,0);}]])], + [ AC_MSG_RESULT([yes]);AC_DEFINE(HAVE_BUILTIN_EXPECT,1,[Define this symbol if __builtin_expect is available]) ], + [ AC_MSG_RESULT([no]) + ]) -if test x"$req_field" = x"auto"; then +if test x"$req_asm" = x"auto"; then SECP_64BIT_ASM_CHECK if test x"$has_64bit_asm" = x"yes"; then - set_field=64bit_asm + set_asm=x86_64 fi + if test x"$set_asm" = x; then + set_asm=no + fi +else + set_asm=$req_asm + case $set_asm in + x86_64) + SECP_64BIT_ASM_CHECK + if test x"$has_64bit_asm" != x"yes"; then + AC_MSG_ERROR([x86_64 assembly optimization requested but not available]) + fi + ;; + no) + ;; + *) + AC_MSG_ERROR([invalid assembly optimization selection]) + ;; + esac +fi +if test x"$req_field" = x"auto"; then + if test x"set_asm" = x"x86_64"; then + set_field=64bit + fi if test x"$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 $set_field in - 64bit_asm) - SECP_64BIT_ASM_CHECK - ;; 64bit) - SECP_INT128_CHECK - ;; - gmp) - SECP_GMP_CHECK + if test x"$set_asm" != x"x86_64"; then + SECP_INT128_CHECK + if test x"$has_int128" != x"yes"; then + AC_MSG_ERROR([64bit field explicitly requested but neither __int128 support or x86_64 assembly available]) + fi + fi ;; 32bit) ;; @@ -124,11 +174,9 @@ else fi if test x"$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 + SECP_INT128_CHECK + if test x"$has_int128" = x"yes"; then + set_scalar=64bit fi if test x"$set_scalar" = x; then set_scalar=32bit @@ -138,6 +186,9 @@ else case $set_scalar in 64bit) SECP_INT128_CHECK + if test x"$has_int128" != x"yes"; then + AC_MSG_ERROR([64bit scalar explicitly requested but __int128 support not available]) + fi ;; 32bit) ;; @@ -154,16 +205,18 @@ if test x"$req_bignum" = x"auto"; then fi if test x"$set_bignum" = x; then - AC_MSG_ERROR([no working bignum implementation found]) + set_bignum=no fi else set_bignum=$req_bignum case $set_bignum in gmp) SECP_GMP_CHECK + if test x"$has_gmp" != x"yes"; then + AC_MSG_ERROR([gmp bignum explicitly requested but libgmp not available]) + fi ;; - openssl) - SECP_OPENSSL_CHECK + no) ;; *) AC_MSG_ERROR([invalid bignum implementation selection]) @@ -171,20 +224,23 @@ else esac fi +# select assembly optimization +case $set_asm in +x86_64) + AC_DEFINE(USE_ASM_X86_64, 1, [Define this symbol to enable x86_64 assembly optimizations]) + ;; +no) + ;; +*) + AC_MSG_ERROR([invalid assembly optimizations]) + ;; +esac + # 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]) ;; @@ -196,9 +252,15 @@ esac # select bignum implementation case $set_bignum in gmp) - AC_DEFINE(HAVE_LIBGMP,1,[Define this symbol if libgmp is installed]) - AC_DEFINE(USE_NUM_GMP, 1, [Define this symbol to use the gmp implementation]) - AC_DEFINE(USE_FIELD_INV_NUM, 1, [Define this symbol to use the USE_FIELD_INV_NUM implementation]) + AC_DEFINE(HAVE_LIBGMP, 1, [Define this symbol if libgmp is installed]) + AC_DEFINE(USE_NUM_GMP, 1, [Define this symbol to use the gmp implementation for num]) + AC_DEFINE(USE_FIELD_INV_NUM, 1, [Define this symbol to use the num-based field inverse implementation]) + AC_DEFINE(USE_SCALAR_INV_NUM, 1, [Define this symbol to use the num-based scalar inverse implementation]) + ;; +no) + AC_DEFINE(USE_NUM_NONE, 1, [Define this symbol to use no num implementation]) + AC_DEFINE(USE_FIELD_INV_BUILTIN, 1, [Define this symbol to use the native field inverse implementation]) + AC_DEFINE(USE_SCALAR_INV_BUILTIN, 1, [Define this symbol to use the native scalar inverse implementation]) ;; *) AC_MSG_ERROR([invalid bignum implementation]) @@ -220,7 +282,7 @@ esac if test x"$use_tests" = x"yes"; then SECP_OPENSSL_CHECK - if test x"$has_openssl_ec" == x"yes"; then + if test x"$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" @@ -234,17 +296,20 @@ if test x"$use_tests" = x"yes"; then fi fi -if test x"$set_field" = x"gmp" || test x"$set_bignum" = x"gmp"; then +if test x"$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]) + AC_DEFINE(USE_ENDOMORPHISM, 1, [Define this symbol to use endomorphism optimization]) fi +AC_MSG_NOTICE([Using assembly optimizations: $set_asm]) 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_MSG_NOTICE([Using endomorphism optimizations: $use_endomorphism]) AC_CONFIG_HEADERS([src/libsecp256k1-config.h]) AC_CONFIG_FILES([Makefile libsecp256k1.pc]) @@ -252,8 +317,12 @@ AC_SUBST(SECP_INCLUDES) AC_SUBST(SECP_LIBS) AC_SUBST(SECP_TEST_LIBS) AC_SUBST(SECP_TEST_INCLUDES) -AC_SUBST(YASM_BINFMT) -AM_CONDITIONAL([USE_ASM], [test x"$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"]) +AM_CONDITIONAL([USE_BENCHMARK], [test x"$use_benchmark" = x"yes"]) + +dnl make sure nothing new is exported so that we don't break the cache +PKGCONFIG_PATH_TEMP="$PKG_CONFIG_PATH" +unset PKG_CONFIG_PATH +PKG_CONFIG_PATH="$PKGCONFIG_PATH_TEMP" + AC_OUTPUT |