diff options
Diffstat (limited to 'src/secp256k1/configure.ac')
| -rw-r--r-- | src/secp256k1/configure.ac | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/secp256k1/configure.ac b/src/secp256k1/configure.ac index 6e6fccd7fd..40e121e806 100644 --- a/src/secp256k1/configure.ac +++ b/src/secp256k1/configure.ac @@ -18,6 +18,10 @@ 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 AC_MSG_ERROR([c99 compiler support required]) @@ -103,7 +107,11 @@ AC_ARG_WITH([scalar], [AS_HELP_STRING([--with-scalar=64bit|32bit|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"$req_field" = x"auto"; then SECP_64BIT_ASM_CHECK @@ -283,7 +291,6 @@ AC_SUBST(SECP_INCLUDES) AC_SUBST(SECP_LIBS) AC_SUBST(SECP_TEST_LIBS) AC_SUBST(SECP_TEST_INCLUDES) -AC_SUBST(YASM_BINFMT) AM_CONDITIONAL([USE_ASM], [test x"$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"]) |