diff --git a/include/boost/config/compiler/common_edg.hpp b/include/boost/config/compiler/common_edg.hpp
index c7c0b56e..7405ade1 100644
--- a/include/boost/config/compiler/common_edg.hpp
+++ b/include/boost/config/compiler/common_edg.hpp
@@ -2,6 +2,7 @@
 //  (C) Copyright Jens Maurer 2001. 
 //  (C) Copyright David Abrahams 2002. 
 //  (C) Copyright Aleksey Gurtovoy 2002. 
+//  (C) Copyright Markus Schoepflin 2005.
 //  Use, modification and distribution are subject to the 
 //  Boost Software License, Version 1.0. (See accompanying file 
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -34,6 +35,10 @@
 #   define BOOST_NO_TEMPLATE_TEMPLATES
 #endif 
 
+#if (__EDG_VERSION__ < 300) && !defined(BOOST_NO_IS_ABSTRACT)
+#   define BOOST_NO_IS_ABSTRACT
+#endif 
+
 // See also kai.hpp which checks a Kai-specific symbol for EH
 # if !defined(__KCC) && !defined(__EXCEPTIONS)
 #     define BOOST_NO_EXCEPTIONS