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| author | Hendrik Leppkes <h.leppkes@gmail.com> | 2015-10-14 23:20:09 +0200 |
|---|---|---|
| committer | Hendrik Leppkes <h.leppkes@gmail.com> | 2015-10-16 14:54:48 +0200 |
| commit | 97be5d4d200755c5077684e6ea003d3c452b0b4a (patch) | |
| tree | d5a5cebe8c8850a0909b29b6fad81b2965a1ca12 | |
| parent | e12908d71e7a0b0f61db5f28b6475a7843c07354 (diff) | |
| download | ffmpeg-97be5d4d200755c5077684e6ea003d3c452b0b4a.tar.gz | |
w32pthreads: fix mingw build on x86 with -msse2 or higher
When SSE2 or higher compiler optimizations are used, mingw uses
the _mm_mfence intrinsic for MemoryBarrier, however it doesn't include
the appropriate headers automatically.
| -rw-r--r-- | compat/w32pthreads.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compat/w32pthreads.h b/compat/w32pthreads.h index c25a191f21..3a2f68f2d5 100644 --- a/compat/w32pthreads.h +++ b/compat/w32pthreads.h @@ -39,6 +39,11 @@ #include <windows.h> #include <process.h> +/* MinGW requires the intrinsics header for the pthread_once fallback code */ +#if _WIN32_WINNT < 0x0600 && defined(__MINGW32__) +#include <intrin.h> +#endif + #include "libavutil/attributes.h" #include "libavutil/common.h" #include "libavutil/internal.h" |