Make SDL_atomic.h depend on the void pointer size determined at compi…

…le time rather than at configure time. As OS X supports lipo'ed versions of SDL for i386 and x86_64, a single set of headers that work for both architectures is desired.
libsdl-org · Sep 26, 2012 · 30a09c9 · 30a09c9
1 parent a8442cf
commit 30a09c9
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/include/SDL_atomic.h b/include/SDL_atomic.h
@@ -161,10 +161,10 @@ void _ReadWriteBarrier(void);
 #include <libkern/OSAtomic.h>
 
 #define SDL_AtomicCAS(a, oldval, newval) OSAtomicCompareAndSwap32Barrier((oldval), (newval), &(a)->value)
-#if SIZEOF_VOIDP == 4
-#define SDL_AtomicCASPtr(a, oldval, newval) OSAtomicCompareAndSwap32Barrier((int32_t)(oldval), (int32_t)(newval), (int32_t*)(a))
-#elif SIZEOF_VOIDP == 8
+#ifdef __LP64__
 #define SDL_AtomicCASPtr(a, oldval, newval) OSAtomicCompareAndSwap64Barrier((int64_t)(oldval), (int64_t)(newval), (int64_t*)(a))
+#else
+#define SDL_AtomicCASPtr(a, oldval, newval) OSAtomicCompareAndSwap32Barrier((int32_t)(oldval), (int32_t)(newval), (int32_t*)(a))
 #endif
 
 #elif defined(HAVE_GCC_ATOMICS)