diff options
Diffstat (limited to 'src/secp256k1/build-aux/m4/bitcoin_secp.m4')
| -rw-r--r-- | src/secp256k1/build-aux/m4/bitcoin_secp.m4 | 51 |
1 files changed, 17 insertions, 34 deletions
diff --git a/src/secp256k1/build-aux/m4/bitcoin_secp.m4 b/src/secp256k1/build-aux/m4/bitcoin_secp.m4 index 4ca28f99cf..1373478c9c 100644 --- a/src/secp256k1/build-aux/m4/bitcoin_secp.m4 +++ b/src/secp256k1/build-aux/m4/bitcoin_secp.m4 @@ -11,38 +11,16 @@ fi dnl AC_DEFUN([SECP_64BIT_ASM_CHECK],[ -if test x"$host_cpu" == x"x86_64"; then - AC_CHECK_PROG(YASM, yasm, yasm) -else - if test x"$set_field" = x"64bit_asm"; then - AC_MSG_ERROR([$set_field field support explicitly requested but is not compatible with this host]) - fi -fi -if test x$YASM = x; then - if test x"$set_field" = x"64bit_asm"; then - AC_MSG_ERROR([$set_field field support explicitly requested but yasm was not found]) - fi - has_64bit_asm=no -else - case x"$host_os" in - xdarwin*) - YASM_BINFMT=macho64 - ;; - x*-gnux32) - YASM_BINFMT=elfx32 - ;; - *) - YASM_BINFMT=elf64 - ;; - esac - if $YASM -f help | grep -q $YASM_BINFMT; then - has_64bit_asm=yes - else - if test x"$set_field" = x"64bit_asm"; then - AC_MSG_ERROR([$set_field field support explicitly requested but yasm doesn't support $YASM_BINFMT format]) - fi - AC_MSG_WARN([yasm too old for $YASM_BINFMT format]) - has_64bit_asm=no +AC_MSG_CHECKING(for x86_64 assembly availability) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ + #include <stdint.h>]],[[ + uint64_t a = 11, tmp; + __asm__ __volatile__("movq $0x100000000,%1; mulq %%rsi" : "+a"(a) : "S"(tmp) : "cc", "%rdx"); + ]])],[has_64bit_asm=yes],[has_64bit_asm=no]) +AC_MSG_RESULT([$has_64bit_asm]) +if test x"$set_field" == x"64bit_asm"; then + if test x"$has_64bit_asm" == x"no"; then + AC_MSG_ERROR([$set_field field support explicitly requested but no x86_64 assembly available]) fi fi ]) @@ -52,8 +30,13 @@ AC_DEFUN([SECP_OPENSSL_CHECK],[ if test x"$use_pkgconfig" = x"yes"; then : #NOP m4_ifdef([PKG_CHECK_MODULES],[ - PKG_CHECK_MODULES([CRYPTO], [libcrypto], [has_libcrypto=yes; AC_DEFINE(HAVE_LIBCRYPTO,1,[Define this symbol if libcrypto is installed])],[has_libcrypto=no]) - : #NOP + PKG_CHECK_MODULES([CRYPTO], [libcrypto], [has_libcrypto=yes],[has_libcrypto=no]) + if test x"$has_libcrypto" = x"yes"; then + TEMP_LIBS="$LIBS" + LIBS="$LIBS $CRYPTO_LIBS" + AC_CHECK_LIB(crypto, main,[AC_DEFINE(HAVE_LIBCRYPTO,1,[Define this symbol if libcrypto is installed])],[has_libcrypto=no]) + LIBS="$TEMP_LIBS" + fi ]) else AC_CHECK_HEADER(openssl/crypto.h,[AC_CHECK_LIB(crypto, main,[has_libcrypto=yes; CRYPTO_LIBS=-lcrypto; AC_DEFINE(HAVE_LIBCRYPTO,1,[Define this symbol if libcrypto is installed])] |