In common.h, define func_lib for function objects.  In configure.ac, define HAVE_STD_FUNCTION and HAVE_BOOST_FUNCTION.  Include function headers in ndnboost.
diff --git a/libs/functional/overloaded_function/test/make_decl.cpp b/libs/functional/overloaded_function/test/make_decl.cpp
new file mode 100644
index 0000000..b76834e
--- /dev/null
+++ b/libs/functional/overloaded_function/test/make_decl.cpp
@@ -0,0 +1,24 @@
+
+// Copyright (C) 2009-2012 Lorenzo Caminiti
+// Distributed under the Boost Software License, Version 1.0
+// (see accompanying file LICENSE_1_0.txt or a copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+// Home at http://www.boost.org/libs/functional/overloaded_function
+
+#include "identity.hpp"
+#include <boost/functional/overloaded_function.hpp>
+#include <boost/typeof/typeof.hpp>
+#include <boost/detail/lightweight_test.hpp>
+
+int main() {
+    //[identity_make_decl
+    BOOST_AUTO(identity, ndnboost::make_overloaded_function(
+            identity_s, identity_i, identity_d));
+
+    BOOST_TEST(identity("abc") == "abc");
+    BOOST_TEST(identity(123) == 123);
+    BOOST_TEST(identity(1.23) == 1.23);
+    //]
+    return ndnboost::report_errors();
+}
+