diff --git a/boost/mpl/aux_/value_wknd.hpp b/boost/mpl/aux_/value_wknd.hpp
new file mode 100644
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--- /dev/null
+++ b/boost/mpl/aux_/value_wknd.hpp
@@ -0,0 +1,89 @@
+
+#ifndef BOOST_MPL_AUX_VALUE_WKND_HPP_INCLUDED
+#define BOOST_MPL_AUX_VALUE_WKND_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2004
+//
+// 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: value_wknd.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_/static_cast.hpp>
+#include <boost/mpl/aux_/config/integral.hpp>
+#include <boost/mpl/aux_/config/eti.hpp>
+#include <boost/mpl/aux_/config/workaround.hpp>
+
+#if defined(BOOST_MPL_CFG_BCC_INTEGRAL_CONSTANTS) \
+    || defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG)
+
+#   include <boost/mpl/int.hpp>
+
+namespace ndnboost { namespace mpl { namespace aux {
+template< typename C_ > struct value_wknd
+    : C_
+{
+};
+
+#if defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG)
+template<> struct value_wknd<int>
+    : int_<1>
+{
+    using int_<1>::value;
+};
+#endif
+}}}
+
+
+#if !defined(BOOST_MPL_CFG_MSVC_60_ETI_BUG)
+#   define BOOST_MPL_AUX_VALUE_WKND(C) \
+    ::BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE::aux::value_wknd< C > \
+/**/
+#    define BOOST_MPL_AUX_MSVC_VALUE_WKND(C) BOOST_MPL_AUX_VALUE_WKND(C)
+#else
+#   define BOOST_MPL_AUX_VALUE_WKND(C) C
+#   define BOOST_MPL_AUX_MSVC_VALUE_WKND(C) \
+    ::ndnboost::mpl::aux::value_wknd< C > \
+/**/
+#endif
+
+#else // BOOST_MPL_CFG_BCC_INTEGRAL_CONSTANTS
+
+#   define BOOST_MPL_AUX_VALUE_WKND(C) C
+#   define BOOST_MPL_AUX_MSVC_VALUE_WKND(C) C
+
+#endif
+
+#if BOOST_WORKAROUND(__EDG_VERSION__, <= 238)
+#   define BOOST_MPL_AUX_NESTED_VALUE_WKND(T, C) \
+    BOOST_MPL_AUX_STATIC_CAST(T, C::value) \
+/**/
+#else
+#   define BOOST_MPL_AUX_NESTED_VALUE_WKND(T, C) \
+    BOOST_MPL_AUX_VALUE_WKND(C)::value \
+/**/
+#endif
+
+
+namespace ndnboost { namespace mpl { namespace aux {
+
+template< typename T > struct value_type_wknd
+{
+    typedef typename T::value_type type;
+};
+
+#if defined(BOOST_MPL_CFG_MSVC_ETI_BUG)
+template<> struct value_type_wknd<int>
+{
+    typedef int type;
+};
+#endif
+
+}}}
+
+#endif // BOOST_MPL_AUX_VALUE_WKND_HPP_INCLUDED