--- OpenImageIO-oiio-bcdad81/src/include/thread.h~	2013-11-01 18:03:46.000000000 +0100
+++ OpenImageIO-oiio-bcdad81/src/include/thread.h	2013-11-05 21:54:05.234898906 +0100
@@ -111,9 +111,7 @@
 #  endif
 #endif
 
-#if defined(__GNUC__) && (defined(_GLIBCXX_ATOMIC_BUILTINS) || (__GNUC__ * 100 + __GNUC_MINOR__ >= 401))
-#define USE_GCC_ATOMICS
-#endif
+#undef USE_GCC_ATOMICS
 
 OIIO_NAMESPACE_ENTER
 {