casa-mp-base

--- Source/WTF/wtf/Platform.h.orig  2012-10-17 21:57:04.000000000 -0700

+++ Source/WTF/wtf/Platform.h   2012-10-17 21:57:40.000000000 -0700

@@ -321,8 +321,10 @@

 #ifdef __APPLE__

 #define WTF_OS_DARWIN 1

-#include <Availability.h>

 #include <AvailabilityMacros.h>

+#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1050

+#include <Availability.h>

+#endif

 #include <TargetConditionals.h>

 #endif