sdl2

- fix atomic header to compile happily under msvc 6.0
libsdl-org · Feb 26, 2013 · 8ee7017 · 8ee7017
1 parent 02403d3
commit 8ee7017
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/include/SDL_atomic.h b/include/SDL_atomic.h
@@ -126,15 +126,15 @@ extern DECLSPEC void SDLCALL SDL_AtomicUnlock(SDL_SpinLock *lock);
  * The compiler barrier prevents the compiler from reordering
  * reads and writes to globally visible variables across the call.
  */
-#ifdef _MSC_VER
+#if defined(_MSC_VER) && (_MSC_VER > 1200)
 void _ReadWriteBarrier(void);
 #pragma intrinsic(_ReadWriteBarrier)
 #define SDL_CompilerBarrier()   _ReadWriteBarrier()
 #elif defined(__GNUC__)
 #define SDL_CompilerBarrier()   __asm__ __volatile__ ("" : : : "memory")
 #else
 #define SDL_CompilerBarrier()   \
-({ SDL_SpinLock _tmp = 0; SDL_AtomicLock(&_tmp); SDL_AtomicUnlock(&_tmp); })
+{ SDL_SpinLock _tmp = 0; SDL_AtomicLock(&_tmp); SDL_AtomicUnlock(&_tmp); }
 #endif
 
 /* Platform specific optimized versions of the atomic functions,