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| author | Wladimir J. van der Laan <laanwj@gmail.com> | 2017-06-13 19:38:37 +0200 |
|---|---|---|
| committer | Wladimir J. van der Laan <laanwj@gmail.com> | 2017-06-13 19:48:13 +0200 |
| commit | a4fe07714da104205a1376343d67b7f576f08d26 (patch) | |
| tree | e0dfa9a78fb5cb1956d7ef9d48c26f1449990669 /configure.ac | |
| parent | 22ec7688388694289cf5ffdc39c69ee3b12c8a23 (diff) | |
| parent | 3ee3d04374894ad56ac00b654aef70d70fe6466e (diff) | |
| download | bitcoin-a4fe07714da104205a1376343d67b7f576f08d26.tar.xz | |
Merge #10544: Update to LevelDB 1.20
3ee3d04 Add extra LevelDB source to Makefile (MarcoFalke)
2424989 leveldb: enable runtime-detected crc32 instructions (Cory Fields)
cf44e4c Squashed 'src/leveldb/' changes from a31c8aa40..196962ff0 (Pieter Wuille)
Tree-SHA512: 19ade77e3f6265507b3ab7b9aa5150d378aa0751e24ac7a61567b0f720a566cedc6c3d3336da17a3bd2b5d068ee86600d96a15228f78bd20ccf98c8fc9041a91
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 160be397ba..5ad01d44e8 100644 --- a/configure.ac +++ b/configure.ac @@ -236,6 +236,12 @@ if test "x$CXXFLAGS_overridden" = "xno"; then AX_CHECK_COMPILE_FLAG([-Wunused-local-typedef],[CXXFLAGS="$CXXFLAGS -Wno-unused-local-typedef"],,[[$CXXFLAG_WERROR]]) AX_CHECK_COMPILE_FLAG([-Wdeprecated-register],[CXXFLAGS="$CXXFLAGS -Wno-deprecated-register"],,[[$CXXFLAG_WERROR]]) AX_CHECK_COMPILE_FLAG([-Wimplicit-fallthrough],[CXXFLAGS="$CXXFLAGS -Wno-implicit-fallthrough"],,[[$CXXFLAG_WERROR]]) + + # Check for optional instruction set support. Enabling these does _not_ imply that all code will + # be compiled with them, rather that specific objects/libs may use them after checking for runtime + # compatibility. + AX_CHECK_COMPILE_FLAG([-msse4.2],[[enable_sse42=yes; SSE42_CXXFLAGS="-msse4.2"]],,[[$CXXFLAG_WERROR]]) + fi CPPFLAGS="$CPPFLAGS -DHAVE_BUILD_INFO -D__STDC_FORMAT_MACROS" @@ -1114,6 +1120,7 @@ AM_CONDITIONAL([USE_QRCODE], [test x$use_qr = xyes]) AM_CONDITIONAL([USE_LCOV],[test x$use_lcov = xyes]) AM_CONDITIONAL([GLIBC_BACK_COMPAT],[test x$use_glibc_compat = xyes]) AM_CONDITIONAL([HARDEN],[test x$use_hardening = xyes]) +AM_CONDITIONAL([ENABLE_SSE42],[test x$enable_sse42 = xyes]) AC_DEFINE(CLIENT_VERSION_MAJOR, _CLIENT_VERSION_MAJOR, [Major version]) AC_DEFINE(CLIENT_VERSION_MINOR, _CLIENT_VERSION_MINOR, [Minor version]) @@ -1146,6 +1153,7 @@ AC_SUBST(HARDENED_CPPFLAGS) AC_SUBST(HARDENED_LDFLAGS) AC_SUBST(PIC_FLAGS) AC_SUBST(PIE_FLAGS) +AC_SUBST(SSE42_CXXFLAGS) AC_SUBST(LIBTOOL_APP_LDFLAGS) AC_SUBST(USE_UPNP) AC_SUBST(USE_QRCODE) |