diff --git a/boost/mpl/aux_/config/integral.hpp b/boost/mpl/aux_/config/integral.hpp
new file mode 100644
index 0000000..6a89160
--- /dev/null
+++ b/boost/mpl/aux_/config/integral.hpp
@@ -0,0 +1,38 @@
+
+#ifndef BOOST_MPL_AUX_CONFIG_INTEGRAL_HPP_INCLUDED
+#define BOOST_MPL_AUX_CONFIG_INTEGRAL_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2004
+//
+// Distributed under 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)
+//
+// See http://www.boost.org/libs/mpl for documentation.
+
+// $Id: integral.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
+// $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
+// $Revision: 49267 $
+
+#include <boost/mpl/aux_/config/msvc.hpp>
+#include <boost/mpl/aux_/config/workaround.hpp>
+
+#if    !defined(BOOST_MPL_CFG_BCC_INTEGRAL_CONSTANTS) \
+    && !defined(BOOST_MPL_PREPROCESSING_MODE) \
+    && BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x610))
+
+#   define BOOST_MPL_CFG_BCC_INTEGRAL_CONSTANTS
+
+#endif
+
+#if    !defined(BOOST_MPL_CFG_NO_NESTED_VALUE_ARITHMETIC) \
+    && !defined(BOOST_MPL_PREPROCESSING_MODE) \
+    && ( BOOST_WORKAROUND(BOOST_MSVC, <= 1300) \
+        || BOOST_WORKAROUND(__EDG_VERSION__, <= 238) \
+        )
+
+#   define BOOST_MPL_CFG_NO_NESTED_VALUE_ARITHMETIC
+
+#endif
+
+#endif // BOOST_MPL_AUX_CONFIG_INTEGRAL_HPP_INCLUDED