If no HAVE_STD_SHARED_PTR or HAVE_BOOST_SHARED_PTR then set ptr_lib to ndnboost in the boost headers in this distribution.
diff --git a/boost/mpl/size_t_fwd.hpp b/boost/mpl/size_t_fwd.hpp
new file mode 100644
index 0000000..396a521
--- /dev/null
+++ b/boost/mpl/size_t_fwd.hpp
@@ -0,0 +1,28 @@
+
+#ifndef BOOST_MPL_SIZE_T_FWD_HPP_INCLUDED
+#define BOOST_MPL_SIZE_T_FWD_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: size_t_fwd.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_/adl_barrier.hpp>
+#include <boost/config.hpp> // make sure 'size_t' is placed into 'std'
+#include <cstddef>
+
+BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_OPEN
+
+template< std::size_t N > struct size_t;
+
+BOOST_MPL_AUX_ADL_BARRIER_NAMESPACE_CLOSE
+BOOST_MPL_AUX_ADL_BARRIER_DECL(size_t)
+
+#endif // BOOST_MPL_SIZE_T_FWD_HPP_INCLUDED