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| author | Hendrik Leppkes <h.leppkes@gmail.com> | 2015-10-14 23:18:17 +0200 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2015-10-16 17:46:41 +0200 |
| commit | 68e00ad66d13c57d9eb3a3862b44ab3fb030e19f (patch) | |
| tree | f969affb560f74f058ec5d4a161a8111104663c5 /compat | |
| parent | b52307933b576eba741c80108c3dad09eb48ba12 (diff) | |
| download | ffmpeg-68e00ad66d13c57d9eb3a3862b44ab3fb030e19f.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.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
Diffstat (limited to 'compat')
| -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 ac9a8142f4..3bc69b31cb 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/internal.h" #include "libavutil/mem.h" |