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_/find_if_pred.hpp b/ndnboost/mpl/aux_/find_if_pred.hpp
new file mode 100644
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+++ b/ndnboost/mpl/aux_/find_if_pred.hpp
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+
+#ifndef BOOST_MPL_AUX_FIND_IF_PRED_HPP_INCLUDED
+#define BOOST_MPL_AUX_FIND_IF_PRED_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2004
+// Copyright Eric Friedman 2002
+//
+// 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.
+
+#include <ndnboost/mpl/aux_/iter_apply.hpp>
+#include <ndnboost/mpl/not.hpp>
+
+namespace ndnboost { namespace mpl { namespace aux {
+
+template< typename Predicate >
+struct find_if_pred
+{
+ template< typename Iterator >
+ struct apply
+ {
+ typedef not_< aux::iter_apply1<Predicate,Iterator> > type;
+ };
+};
+
+}}}
+
+#endif // BOOST_MPL_AUX_FIND_IF_PRED_HPP_INCLUDED