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diff --git a/boost/archive/codecvt_null.hpp b/boost/archive/codecvt_null.hpp
new file mode 100644
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+++ b/boost/archive/codecvt_null.hpp
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+#ifndef BOOST_ARCHIVE_CODECVT_NULL_HPP
+#define BOOST_ARCHIVE_CODECVT_NULL_HPP
+
+// MS compatible compilers support #pragma once
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// codecvt_null.hpp:
+
+// (C) Copyright 2004 Robert Ramey - http://www.rrsd.com .
+// Use, modification and distribution is 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)
+
+//  See http://www.boost.org for updates, documentation, and revision history.
+
+#include <locale>
+#include <cstddef> // NULL, size_t
+#include <cwchar>   // for mbstate_t
+#include <boost/config.hpp>
+#include <boost/archive/detail/auto_link_archive.hpp>
+#include <boost/archive/detail/abi_prefix.hpp> // must be the last header
+
+#if defined(BOOST_NO_STDC_NAMESPACE)
+namespace std {
+// For STLport on WinCE, BOOST_NO_STDC_NAMESPACE can get defined if STLport is putting symbols in its own namespace.
+// In the case of codecvt, however, this does not mean that codecvt is in the global namespace (it will be in STLport's namespace)
+#  if !defined(__SGI_STL_PORT) && !defined(_STLPORT_VERSION)
+    using ::codecvt;
+#  endif
+    using ::mbstate_t;
+    using ::size_t;
+} // namespace
+#endif
+
+#ifdef BOOST_MSVC
+#  pragma warning(push)
+#  pragma warning(disable : 4511 4512)
+#endif
+
+namespace boost {
+namespace archive {
+
+template<class Ch>
+class codecvt_null;
+
+template<>
+class codecvt_null<char> : public std::codecvt<char, char, std::mbstate_t>
+{
+    virtual bool do_always_noconv() const throw() {
+        return true;
+    }
+public:
+    explicit codecvt_null(std::size_t no_locale_manage = 0) :
+        std::codecvt<char, char, std::mbstate_t>(no_locale_manage)
+    {}
+};
+
+template<>
+class codecvt_null<wchar_t> : public std::codecvt<wchar_t, char, std::mbstate_t>
+{
+    virtual BOOST_WARCHIVE_DECL(std::codecvt_base::result)
+    do_out(
+        std::mbstate_t & state,
+        const wchar_t * first1,
+        const wchar_t * last1,
+        const wchar_t * & next1,
+        char * first2,
+        char * last2,
+        char * & next2
+    ) const;
+    virtual BOOST_WARCHIVE_DECL(std::codecvt_base::result)
+    do_in(
+        std::mbstate_t & state,
+        const char * first1,
+        const char * last1,
+        const char * & next1,
+        wchar_t * first2,
+        wchar_t * last2,
+        wchar_t * & next2
+    ) const;
+    virtual int do_encoding( ) const throw( ){
+        return sizeof(wchar_t) / sizeof(char);
+    }
+    virtual int do_max_length( ) const throw( ){
+        return do_encoding();
+    }
+};
+
+} // namespace archive
+} // namespace boost
+
+#ifdef BOOST_MSVC
+#  pragma warning(pop)
+#endif
+#include <boost/archive/detail/abi_suffix.hpp> // pop pragmas
+
+#endif //BOOST_ARCHIVE_CODECVT_NULL_HPP