diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/configure.ac b/configure.ac index af0d1d1505..439bb508e7 100644 --- a/configure.ac +++ b/configure.ac @@ -482,11 +482,12 @@ TEMP_CXXFLAGS="$CXXFLAGS" CXXFLAGS="$SSE41_CXXFLAGS $CXXFLAGS" AC_MSG_CHECKING([for SSE4.1 intrinsics]) AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ - #include <stdint.h> #include <immintrin.h> ]],[[ - __m128i l = _mm_set1_epi32(0); - return _mm_extract_epi32(l, 3); + __m128i a = _mm_set1_epi32(0); + __m128i b = _mm_set1_epi32(1); + __m128i r = _mm_blend_epi16(a, b, 0xFF); + return _mm_extract_epi32(r, 3); ]])], [ AC_MSG_RESULT([yes]); enable_sse41=yes; AC_DEFINE([ENABLE_SSE41], [1], [Define this symbol to build code that uses SSE4.1 intrinsics]) ], [ AC_MSG_RESULT([no])] @@ -1317,6 +1318,7 @@ if test "$use_reduce_exports" = "yes"; then AX_CHECK_COMPILE_FLAG([-fvisibility=hidden], [CORE_CXXFLAGS="$CORE_CXXFLAGS -fvisibility=hidden"], [AC_MSG_ERROR([Cannot set hidden symbol visibility. Use --disable-reduce-exports.])], [$CXXFLAG_WERROR]) AX_CHECK_LINK_FLAG([-Wl,--exclude-libs,ALL], [RELDFLAGS="-Wl,--exclude-libs,ALL"], [], [$LDFLAG_WERROR]) + AX_CHECK_LINK_FLAG([-Wl,-no_exported_symbols], [LIBTOOL_APP_LDFLAGS="$LIBTOOL_APP_LDFLAGS -Wl,-no_exported_symbols"], [], [$LDFLAG_WERROR]) fi if test "$use_tests" = "yes"; then |