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.
This commit is contained in:
Hendrik Leppkes 2015-10-14 23:20:09 +02:00
parent e12908d71e
commit 97be5d4d20
1 changed files with 5 additions and 0 deletions

View File

@ -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"