@@ -45,10 +45,14 @@
 } alloc_failed_exception;
 
 #ifdef NEED_OBJC_SYNC_INIT
 extern BOOL objc_sync_init();
 #endif
+
+#ifndef HAVE_OBJC_ENUMERATIONMUTATION
+#define enumeration_mutation_handler objc_enumerationMutation
+#endif
 
 void
 enumeration_mutation_handler(id object)
 {
 	@throw [OFEnumerationMutationException newWithClass: [object class]];