diff options
| -rw-r--r-- | pm_config.in.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/pm_config.in.h b/pm_config.in.h index 684d60a1..c8b3df05 100644 --- a/pm_config.in.h +++ b/pm_config.in.h @@ -242,7 +242,28 @@ and up. */ #if GCCVERSION >=402 && defined(__SSE__) && defined(__SSE2__) + +/* Apple, in Mac OSX 10.8, ships: + + > cc --version + Apple clang version 4.0 (tags/Apple/clang-421.0.60) (based on LLVM 3.1svn) + + which masquerades as GCC 4.2.1, but it fails on pamflip_sse.c: + + pamflip_sse.c:136:39: error: use of unknown builtin + '__builtin_ia32_pcmpeqb128' [-Wimplicit-function-declaration] + register v16qi const compare =__builtin_ia32_pcmpeqb128(vReg,zero128); + + so we disable SSE2 for Apple cc. The gcc compiler Apple ships is + llvm-based and also defines APPLE_CC, and it works fine, so we disable + SSE2 only on Clang compilers. +*/ +#if defined(__APPLE_CC__) && defined(__clang__) + #define HAVE_GCC_SSE2 0 +#else #define HAVE_GCC_SSE2 1 +#endif + #else #define HAVE_GCC_SSE2 0 #endif |