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/memory_order.hpp b/boost/memory_order.hpp
new file mode 100644
index 0000000..9e4290c
--- /dev/null
+++ b/boost/memory_order.hpp
@@ -0,0 +1,53 @@
+#ifndef BOOST_MEMORY_ORDER_HPP_INCLUDED
+#define BOOST_MEMORY_ORDER_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+// boost/memory_order.hpp
+//
+// Defines enum ndnboost::memory_order per the C++0x working draft
+//
+// Copyright (c) 2008, 2009 Peter Dimov
+//
+// 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)
+
+
+namespace ndnboost
+{
+
+//
+// Enum values are chosen so that code that needs to insert
+// a trailing fence for acquire semantics can use a single
+// test such as:
+//
+// if( mo & memory_order_acquire ) { ...fence... }
+//
+// For leading fences one can use:
+//
+// if( mo & memory_order_release ) { ...fence... }
+//
+// Architectures such as Alpha that need a fence on consume
+// can use:
+//
+// if( mo & ( memory_order_acquire | memory_order_consume ) ) { ...fence... }
+//
+
+enum memory_order
+{
+ memory_order_relaxed = 0,
+ memory_order_acquire = 1,
+ memory_order_release = 2,
+ memory_order_acq_rel = 3, // acquire | release
+ memory_order_seq_cst = 7, // acq_rel | 4
+ memory_order_consume = 8
+};
+
+} // namespace ndnboost
+
+#endif // #ifndef BOOST_MEMORY_ORDER_HPP_INCLUDED