Index: mpl/has_xxx.hpp
===================================================================
--- mpl/has_xxx.hpp	(revision 86692)
+++ mpl/has_xxx.hpp	(working copy)
@@ -231,7 +231,7 @@
       BOOST_MPL_HAS_MEMBER_INTROSPECTION_TEST_NAME(args)(...); \
     /**/
 
-#   if !BOOST_MPL_HAS_XXX_NO_WRAPPED_TYPES
+#   if !defined(BOOST_MPL_HAS_XXX_NO_WRAPPED_TYPES)
 #     define BOOST_MPL_HAS_MEMBER_MULTI_ACCEPT(z, n, args) \
         template< typename V > \
         static boost::mpl::aux::yes_tag \
@@ -313,7 +313,7 @@
       ) \
     /**/
 
-#   if BOOST_MPL_HAS_XXX_NEEDS_TEMPLATE_SFINAE
+#   if defined(BOOST_MPL_HAS_XXX_NEEDS_TEMPLATE_SFINAE)
 
 #     if !defined(BOOST_MPL_HAS_XXX_NEEDS_NAMESPACE_LEVEL_SUBSTITUTE)
 #       if BOOST_WORKAROUND(BOOST_MSVC, <= 1400)