diff --git a/ndnboost/mpl/aux_/na_assert.hpp b/ndnboost/mpl/aux_/na_assert.hpp
new file mode 100644
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+++ b/ndnboost/mpl/aux_/na_assert.hpp
@@ -0,0 +1,34 @@
+
+#ifndef BOOST_MPL_AUX_NA_ASSERT_HPP_INCLUDED
+#define BOOST_MPL_AUX_NA_ASSERT_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2001-2004
+//
+// 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: na_assert.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
+// $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
+// $Revision: 49267 $
+
+#include <ndnboost/mpl/aux_/na.hpp>
+#include <ndnboost/mpl/aux_/config/msvc.hpp>
+#include <ndnboost/mpl/aux_/config/workaround.hpp>
+
+#if !BOOST_WORKAROUND(_MSC_FULL_VER, <= 140050601)    \
+    && !BOOST_WORKAROUND(__EDG_VERSION__, <= 243)
+#   include <ndnboost/mpl/assert.hpp>
+#   define BOOST_MPL_AUX_ASSERT_NOT_NA(x) \
+    BOOST_MPL_ASSERT_NOT((ndnboost::mpl::is_na<type>)) \
+/**/
+#else
+#   include <ndnboost/static_assert.hpp>
+#   define BOOST_MPL_AUX_ASSERT_NOT_NA(x) \
+    BOOST_STATIC_ASSERT(!ndnboost::mpl::is_na<x>::value) \
+/**/
+#endif
+
+#endif // BOOST_MPL_AUX_NA_ASSERT_HPP_INCLUDED