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_/push_front_impl.hpp b/ndnboost/mpl/aux_/push_front_impl.hpp
new file mode 100644
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+++ b/ndnboost/mpl/aux_/push_front_impl.hpp
@@ -0,0 +1,71 @@
+
+#ifndef BOOST_MPL_AUX_PUSH_FRONT_IMPL_HPP_INCLUDED
+#define BOOST_MPL_AUX_PUSH_FRONT_IMPL_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2008
+//
+// 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: push_front_impl.hpp 55679 2009-08-20 07:50:16Z agurtovoy $
+// $Date: 2009-08-20 00:50:16 -0700 (Thu, 20 Aug 2009) $
+// $Revision: 55679 $
+
+#include <ndnboost/mpl/push_front_fwd.hpp>
+#include <ndnboost/mpl/assert.hpp>
+#include <ndnboost/mpl/aux_/has_type.hpp>
+#include <ndnboost/mpl/aux_/traits_lambda_spec.hpp>
+#include <ndnboost/mpl/aux_/config/forwarding.hpp>
+#include <ndnboost/mpl/aux_/config/static_constant.hpp>
+
+#include <ndnboost/type_traits/is_same.hpp>
+
+namespace ndnboost { namespace mpl {
+
+struct has_push_front_arg {};
+
+// agurt 05/feb/04: no default implementation; the stub definition is needed
+// to enable the default 'has_push_front' implementation below
+
+template< typename Tag >
+struct push_front_impl
+{
+ template< typename Sequence, typename T > struct apply
+ {
+ // should be instantiated only in the context of 'has_push_front_impl';
+ // if you've got an assert here, you are requesting a 'push_front'
+ // specialization that doesn't exist.
+ BOOST_MPL_ASSERT_MSG(
+ ( ndnboost::is_same< T, has_push_front_arg >::value )
+ , REQUESTED_PUSH_FRONT_SPECIALIZATION_FOR_SEQUENCE_DOES_NOT_EXIST
+ , ( Sequence )
+ );
+ };
+};
+
+template< typename Tag >
+struct has_push_front_impl
+{
+ template< typename Seq > struct apply
+#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)
+ : aux::has_type< push_front< Seq, has_push_front_arg > >
+ {
+#else
+ {
+ typedef aux::has_type< push_front< Seq, has_push_front_arg > > type;
+ BOOST_STATIC_CONSTANT(bool, value =
+ (aux::has_type< push_front< Seq, has_push_front_arg > >::value)
+ );
+#endif
+ };
+};
+
+BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(2, push_front_impl)
+BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(1, has_push_front_impl)
+
+}}
+
+#endif // BOOST_MPL_AUX_PUSH_FRONT_IMPL_HPP_INCLUDED