@@ -26,11 +26,12 @@
 @protocol RetainRelease
 - retain;
 - (void)release;
 @end
 
-#if defined(OF_GNU_RUNTIME) || defined(OF_OBJFW_RUNTIME)
+#if defined(OF_OBJFW_RUNTIME) || defined(OF_GNU_RUNTIME) || \
+    defined(OF_OLD_GNU_RUNTIME)
 struct objc_abi_class {
 	struct objc_abi_metaclass *metaclass;
 	const char *superclass, *name;
 	unsigned long version, info, instance_size;
 	void *ivars, *methodlist, *dtable, *subclass_list, *sibling_class;