Index: is_member_pointer.hpp
===================================================================
--- is_member_pointer.hpp	(revision 39815)
+++ is_member_pointer.hpp	(working copy)
@@ -47,9 +47,12 @@
 #elif !defined(BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION)
 BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_member_pointer,T,::boost::is_member_function_pointer<T>::value)
 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*,true)
+
+#if !BOOST_WORKAROUND(__MWERKS__,<=0x3003)
 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*const,true)
 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*volatile,true)
 BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC1_2(typename T,typename U,is_member_pointer,U T::*const volatile,true)
+#endif
 
 #else // no partial template specialization