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/function_types/detail/classifier_impl/master.hpp b/ndnboost/function_types/detail/classifier_impl/master.hpp
new file mode 100644
index 0000000..0ddacf6
--- /dev/null
+++ b/ndnboost/function_types/detail/classifier_impl/master.hpp
@@ -0,0 +1,33 @@
+
+// (C) Copyright Tobias Schwinger
+//
+// Use modification and distribution are subject to the boost Software License,
+// Version 1.0. (See http://www.boost.org/LICENSE_1_0.txt).
+
+//------------------------------------------------------------------------------
+
+// no include guards, this file is intended for multiple inclusion
+
+#if BOOST_FT_ARITY_LOOP_PREFIX
+
+# ifndef BOOST_FT_DETAIL_CLASSIFIER_IMPL_MASTER_HPP_INCLUDED
+# define BOOST_FT_DETAIL_CLASSIFIER_IMPL_MASTER_HPP_INCLUDED
+# include <ndnboost/preprocessor/facilities/identity.hpp>
+# endif
+
+# define BOOST_FT_type_name
+
+#elif BOOST_FT_ARITY_LOOP_IS_ITERATING
+
+template< BOOST_FT_tplargs(BOOST_PP_IDENTITY(typename)) >
+typename encode_charr<BOOST_FT_flags,BOOST_FT_cc_id,BOOST_FT_arity>::type
+classifier_impl(BOOST_FT_type);
+
+#elif BOOST_FT_ARITY_LOOP_SUFFIX
+
+# undef BOOST_FT_type_name
+
+#else
+# error "attempt to use arity loop master file without loop"
+#endif
+