Index: Include/pymacconfig.h
===================================================================
--- Include/pymacconfig.h	(revision 66828)
+++ Include/pymacconfig.h	(working copy)
@@ -15,6 +15,7 @@
 # undef SIZEOF_SIZE_T
 # undef SIZEOF_TIME_T
 # undef SIZEOF_VOID_P
+# undef WORDS_BIGENDIAN
 
 #    undef VA_LIST_IS_ARRAY
 #    if defined(__LP64__) && defined(__x86_64__)
@@ -54,6 +55,11 @@
 
 #    endif
 
+#ifdef __BIG_ENDIAN__
+#define WORDS_BIGENDIAN 1
+#endif /* __BIG_ENDIAN */
+
+
 #endif /* defined(_APPLE__) */
 
 #endif /* PYMACCONFIG_H */