Index: src/OFObject.h
==================================================================
--- src/OFObject.h
+++ src/OFObject.h
@@ -51,10 +51,18 @@
 /**
  * \return The name of the class as a C string
  */
 + (const char*)name;
 
+/**
+ * \param selector The selector which should be checked for respondance
+ *
+ * \return A boolean whether instances of the class respond to the specified
+ *	   selector
+ */
++ (BOOL)instancesRespondToSelector: (SEL)selector;
+
 /**
  * \param protocol The protocol which should be checked for conformance
  *
  * \return A boolean whether the class conforms to the specified protocol
  */

Index: src/OFObject.m
==================================================================
--- src/OFObject.m
+++ src/OFObject.m
@@ -94,10 +94,19 @@
 	return class_get_class_name(self);
 #else
 	return class_getName(self);
 #endif
 }
+
++ (BOOL)instancesRespondToSelector: (SEL)selector
+{
+#ifdef __objc_INCLUDE_GNU
+	return class_get_instance_method(self, selector) != METHOD_NULL;
+#else
+	return class_respondsToSelector(self, selector);
+#endif
+}
 
 + (BOOL)conformsToProtocol: (Protocol*)protocol
 {
 #ifdef __objc_INCLUDE_GNU
 	Class c;