@@ -14,10 +14,15 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #import "OFBlock.h"
+
+@protocol RetainRelease
+- retain;
+- (void)release;
+@end
 
 #if defined(OF_GNU_RUNTIME) || defined(OF_OBJFW_RUNTIME)
 struct objc_abi_class {
 	struct objc_abi_metaclass *metaclass;
 	const char *superclass, *name;