Include bind in ndnboost.
diff --git a/ndnboost/concept/detail/concept_undef.hpp b/ndnboost/concept/detail/concept_undef.hpp
new file mode 100644
index 0000000..713db89
--- /dev/null
+++ b/ndnboost/concept/detail/concept_undef.hpp
@@ -0,0 +1,5 @@
+// Copyright David Abrahams 2006. 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)
+# undef BOOST_concept_typename
+# undef BOOST_concept