Index: src/runtime/lookup.m
==================================================================
--- src/runtime/lookup.m
+++ src/runtime/lookup.m
@@ -20,10 +20,19 @@
 #include <stdlib.h>
 
 #import "runtime.h"
 #import "runtime-private.h"
 #import "macros.h"
+
+@interface DummyObject
+{
+	Class isa;
+}
+
++ (BOOL)resolveClassMethod: (SEL)selector;
++ (BOOL)resolveInstanceMethod: (SEL)selector;
+@end
 
 static IMP forward_handler = (IMP)0;
 static IMP forward_handler_stret = (IMP)0;
 
 static IMP