Include bind in ndnboost.
diff --git a/ndnboost/numeric/conversion/numeric_cast_traits.hpp b/ndnboost/numeric/conversion/numeric_cast_traits.hpp
new file mode 100644
index 0000000..d482bfd
--- /dev/null
+++ b/ndnboost/numeric/conversion/numeric_cast_traits.hpp
@@ -0,0 +1,31 @@
+//
+//! Copyright (c) 2011
+//! Brandon Kohn
+//
+// 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)
+//
+#ifndef BOOST_NUMERIC_CAST_TRAITS_HPP
+#define BOOST_NUMERIC_CAST_TRAITS_HPP
+
+#include <ndnboost/numeric/conversion/converter_policies.hpp>
+
+namespace ndnboost { namespace numeric {
+
+ template <typename Target, typename Source, typename EnableIf = void>
+ struct numeric_cast_traits
+ {
+ typedef def_overflow_handler overflow_policy;
+ typedef UseInternalRangeChecker range_checking_policy;
+ typedef Trunc<Source> rounding_policy;
+ };
+
+}}//namespace ndnboost::numeric;
+
+#if !defined( BOOST_NUMERIC_CONVERSION_RELAX_BUILT_IN_CAST_TRAITS )
+#include <ndnboost/cstdint.hpp>
+#include <ndnboost/numeric/conversion/detail/numeric_cast_traits.hpp>
+#endif//!defined BOOST_NUMERIC_CONVERSION_RELAX_BUILT_IN_CAST_TRAITS
+
+#endif//BOOST_NUMERIC_CAST_TRAITS_HPP