--- a/include/dix-config.h.in
+++ b/include/dix-config.h.in
@@ -3,6 +3,14 @@
 #ifndef _DIX_CONFIG_H_
 #define _DIX_CONFIG_H_
 
+#ifndef X_BIG_ENDIAN
+#  define X_BIG_ENDIAN 4321
+#endif
+
+#ifndef X_LITTLE_ENDIAN
+#  define X_LITTLE_ENDIAN 1234
+#endif
+
 /* Support BigRequests extension */
 #undef BIGREQS
 
-- 
2.3.5