diff -Nru a/boost/smart_ptr/detail/sp_has_sync.hpp b/boost/smart_ptr/detail/sp_has_sync.hpp
--- a/boost/smart_ptr/detail/sp_has_sync.hpp    2009-08-18 15:31:54 +01:00
+++ b/boost/smart_ptr/detail/sp_has_sync.hpp    2009-08-18 15:31:54 +01:00
@@ -41,7 +41,9 @@
 #endif
 
 #if defined( __INTEL_COMPILER ) && !defined( __ia64__ )
+#if __INTEL_COMPILER < 1100
 #undef BOOST_SP_HAS_SYNC
+#endif
 #endif
 
 #endif // __GNUC__ * 100 + __GNUC_MINOR__ >= 401