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/less_equal.hpp b/ndnboost/mpl/aux_/preprocessed/plain/less_equal.hpp
new file mode 100644
index 0000000..c18dd6a
--- /dev/null
+++ b/ndnboost/mpl/aux_/preprocessed/plain/less_equal.hpp
@@ -0,0 +1,92 @@
+
+// Copyright Aleksey Gurtovoy 2000-2004
+//
+// 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/less_equal.hpp" header
+// -- DO NOT modify by hand!
+
+namespace ndnboost { namespace mpl {
+
+template<
+ typename Tag1
+ , typename Tag2
+ >
+struct less_equal_impl
+ : if_c<
+ ( BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag1)
+ > BOOST_MPL_AUX_NESTED_VALUE_WKND(int, Tag2)
+ )
+
+ , aux::cast2nd_impl< less_equal_impl< Tag1,Tag1 >,Tag1, Tag2 >
+ , aux::cast1st_impl< less_equal_impl< Tag2,Tag2 >,Tag1, Tag2 >
+ >::type
+{
+};
+
+/// for Digital Mars C++/compilers with no CTPS/TTP support
+template<> struct less_equal_impl< na,na >
+{
+ template< typename U1, typename U2 > struct apply
+ {
+ typedef apply type;
+ BOOST_STATIC_CONSTANT(int, value = 0);
+ };
+};
+
+template< typename Tag > struct less_equal_impl< na,Tag >
+{
+ template< typename U1, typename U2 > struct apply
+ {
+ typedef apply type;
+ BOOST_STATIC_CONSTANT(int, value = 0);
+ };
+};
+
+template< typename Tag > struct less_equal_impl< Tag,na >
+{
+ template< typename U1, typename U2 > struct apply
+ {
+ typedef apply type;
+ BOOST_STATIC_CONSTANT(int, value = 0);
+ };
+};
+
+template< typename T > struct less_equal_tag
+{
+ typedef typename T::tag type;
+};
+
+template<
+ typename BOOST_MPL_AUX_NA_PARAM(N1)
+ , typename BOOST_MPL_AUX_NA_PARAM(N2)
+ >
+struct less_equal
+
+ : less_equal_impl<
+ typename less_equal_tag<N1>::type
+ , typename less_equal_tag<N2>::type
+ >::template apply< N1,N2 >::type
+{
+};
+
+BOOST_MPL_AUX_NA_SPEC2(2, 2, less_equal)
+
+}}
+
+namespace ndnboost { namespace mpl {
+
+template<>
+struct less_equal_impl< integral_c_tag,integral_c_tag >
+{
+ template< typename N1, typename N2 > struct apply
+
+ : bool_< ( BOOST_MPL_AUX_VALUE_WKND(N1)::value <= BOOST_MPL_AUX_VALUE_WKND(N2)::value ) >
+ {
+ };
+};
+
+}}