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/ndnboost/mpl/aux_/lambda_spec.hpp b/ndnboost/mpl/aux_/lambda_spec.hpp
new file mode 100644
index 0000000..f3e6137
--- /dev/null
+++ b/ndnboost/mpl/aux_/lambda_spec.hpp
@@ -0,0 +1,49 @@
+
+#ifndef BOOST_MPL_AUX_LAMBDA_SPEC_HPP_INCLUDED
+#define BOOST_MPL_AUX_LAMBDA_SPEC_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2001-2007
+//
+// 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: lambda_spec.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
+// $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
+// $Revision: 49267 $
+
+#include <ndnboost/mpl/void.hpp>
+#include <ndnboost/mpl/lambda_fwd.hpp>
+#include <ndnboost/mpl/int_fwd.hpp>
+#include <ndnboost/mpl/aux_/preprocessor/params.hpp>
+#include <ndnboost/mpl/aux_/lambda_arity_param.hpp>
+#include <ndnboost/mpl/aux_/config/lambda.hpp>
+
+#if !defined(BOOST_MPL_CFG_NO_FULL_LAMBDA_SUPPORT)
+
+# define BOOST_MPL_AUX_PASS_THROUGH_LAMBDA_SPEC(i, name) \
+template< \
+ BOOST_MPL_PP_PARAMS(i, typename T) \
+ , typename Tag \
+ > \
+struct lambda< \
+ name< BOOST_MPL_PP_PARAMS(i, T) > \
+ , Tag \
+ BOOST_MPL_AUX_LAMBDA_ARITY_PARAM(int_<i>) \
+ > \
+{ \
+ typedef false_ is_le; \
+ typedef name< BOOST_MPL_PP_PARAMS(i, T) > result_; \
+ typedef result_ type; \
+}; \
+/**/
+
+#else
+
+# define BOOST_MPL_AUX_PASS_THROUGH_LAMBDA_SPEC(i, name) /**/
+
+#endif
+
+#endif // BOOST_MPL_AUX_LAMBDA_SPEC_HPP_INCLUDED