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_/preprocessed/plain/template_arity.hpp b/ndnboost/mpl/aux_/preprocessed/plain/template_arity.hpp
new file mode 100644
index 0000000..6cb42ae
--- /dev/null
+++ b/ndnboost/mpl/aux_/preprocessed/plain/template_arity.hpp
@@ -0,0 +1,11 @@
+
+// Copyright Aleksey Gurtovoy 2001-2004
+//
+// 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)
+//
+
+// Preprocessed version of "ndnboost/mpl/aux_/template_arity.hpp" header
+// -- DO NOT modify by hand!
+