diff --git a/ndnboost/mpl/aux_/preprocessed/msvc60/fold_impl.hpp b/ndnboost/mpl/aux_/preprocessed/msvc60/fold_impl.hpp
new file mode 100644
index 0000000..c8ca0c7
--- /dev/null
+++ b/ndnboost/mpl/aux_/preprocessed/msvc60/fold_impl.hpp
@@ -0,0 +1,293 @@
+
+// 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/aux_/fold_impl.hpp" header
+// -- DO NOT modify by hand!
+
+namespace ndnboost { namespace mpl { namespace aux {
+
+/// forward declaration
+
+template<
+      int N
+    , typename First
+    , typename Last
+    , typename State
+    , typename ForwardOp
+    >
+struct fold_impl;
+
+template< int N >
+struct fold_chunk;
+
+template<> struct fold_chunk<0>
+{
+    template<
+          typename First
+        , typename Last
+        , typename State
+        , typename ForwardOp
+        >
+    struct result_
+    {
+        typedef First iter0;
+        typedef State state0;
+        typedef state0 state;
+        typedef iter0 iterator;
+    };
+
+    /// ETI workaround
+    template<> struct result_< int,int,int,int >
+    {
+        typedef int state;
+        typedef int iterator;
+    };
+
+};
+
+template<> struct fold_chunk<1>
+{
+    template<
+          typename First
+        , typename Last
+        , typename State
+        , typename ForwardOp
+        >
+    struct result_
+    {
+        typedef First iter0;
+        typedef State state0;
+        typedef typename apply2< ForwardOp, state0, typename deref<iter0>::type >::type state1;
+        typedef typename mpl::next<iter0>::type iter1;
+        
+
+        typedef state1 state;
+        typedef iter1 iterator;
+    };
+
+    /// ETI workaround
+    template<> struct result_< int,int,int,int >
+    {
+        typedef int state;
+        typedef int iterator;
+    };
+
+};
+
+template<> struct fold_chunk<2>
+{
+    template<
+          typename First
+        , typename Last
+        , typename State
+        , typename ForwardOp
+        >
+    struct result_
+    {
+        typedef First iter0;
+        typedef State state0;
+        typedef typename apply2< ForwardOp, state0, typename deref<iter0>::type >::type state1;
+        typedef typename mpl::next<iter0>::type iter1;
+        typedef typename apply2< ForwardOp, state1, typename deref<iter1>::type >::type state2;
+        typedef typename mpl::next<iter1>::type iter2;
+        
+
+        typedef state2 state;
+        typedef iter2 iterator;
+    };
+
+    /// ETI workaround
+    template<> struct result_< int,int,int,int >
+    {
+        typedef int state;
+        typedef int iterator;
+    };
+
+};
+
+template<> struct fold_chunk<3>
+{
+    template<
+          typename First
+        , typename Last
+        , typename State
+        , typename ForwardOp
+        >
+    struct result_
+    {
+        typedef First iter0;
+        typedef State state0;
+        typedef typename apply2< ForwardOp, state0, typename deref<iter0>::type >::type state1;
+        typedef typename mpl::next<iter0>::type iter1;
+        typedef typename apply2< ForwardOp, state1, typename deref<iter1>::type >::type state2;
+        typedef typename mpl::next<iter1>::type iter2;
+        typedef typename apply2< ForwardOp, state2, typename deref<iter2>::type >::type state3;
+        typedef typename mpl::next<iter2>::type iter3;
+        
+
+        typedef state3 state;
+        typedef iter3 iterator;
+    };
+
+    /// ETI workaround
+    template<> struct result_< int,int,int,int >
+    {
+        typedef int state;
+        typedef int iterator;
+    };
+
+};
+
+template<> struct fold_chunk<4>
+{
+    template<
+          typename First
+        , typename Last
+        , typename State
+        , typename ForwardOp
+        >
+    struct result_
+    {
+        typedef First iter0;
+        typedef State state0;
+        typedef typename apply2< ForwardOp, state0, typename deref<iter0>::type >::type state1;
+        typedef typename mpl::next<iter0>::type iter1;
+        typedef typename apply2< ForwardOp, state1, typename deref<iter1>::type >::type state2;
+        typedef typename mpl::next<iter1>::type iter2;
+        typedef typename apply2< ForwardOp, state2, typename deref<iter2>::type >::type state3;
+        typedef typename mpl::next<iter2>::type iter3;
+        typedef typename apply2< ForwardOp, state3, typename deref<iter3>::type >::type state4;
+        typedef typename mpl::next<iter3>::type iter4;
+        
+
+        typedef state4 state;
+        typedef iter4 iterator;
+    };
+
+    /// ETI workaround
+    template<> struct result_< int,int,int,int >
+    {
+        typedef int state;
+        typedef int iterator;
+    };
+
+};
+
+template< int N >
+struct fold_chunk
+{
+    template<
+          typename First
+        , typename Last
+        , typename State
+        , typename ForwardOp
+        >
+    struct result_
+    {
+        typedef fold_impl<
+              4
+            , First
+            , Last
+            , State
+            , ForwardOp
+            > chunk_;
+
+        typedef fold_impl<
+              ( (N - 4) < 0 ? 0 : N - 4 )
+            , typename chunk_::iterator
+            , Last
+            , typename chunk_::state
+            , ForwardOp
+            > res_;
+
+        typedef typename res_::state state;
+        typedef typename res_::iterator iterator;
+    };
+};
+
+template<
+      typename First
+    , typename Last
+    , typename State
+    , typename ForwardOp
+    >
+struct fold_step;
+
+template<
+      typename Last
+    , typename State
+    >
+struct fold_null_step
+{
+    typedef Last iterator;
+    typedef State state;
+};
+
+template<>
+struct fold_chunk< -1 >
+{
+    template<
+          typename First
+        , typename Last
+        , typename State
+        , typename ForwardOp
+        >
+    struct result_
+    {
+        typedef typename if_<
+              typename is_same< First,Last >::type
+            , fold_null_step< Last,State >
+            , fold_step< First,Last,State,ForwardOp >
+            >::type res_;
+
+        typedef typename res_::state state;
+        typedef typename res_::iterator iterator;
+    };
+
+    /// ETI workaround
+    template<> struct result_< int,int,int,int >
+    {
+        typedef int state;
+        typedef int iterator;
+    };
+
+};
+
+template<
+      typename First
+    , typename Last
+    , typename State
+    , typename ForwardOp
+    >
+struct fold_step
+{
+    typedef fold_chunk< -1 >::template result_<
+          typename mpl::next<First>::type
+        , Last
+        , typename apply2<ForwardOp,State, typename deref<First>::type>::type
+        , ForwardOp
+        > chunk_;
+
+    typedef typename chunk_::state state;
+    typedef typename chunk_::iterator iterator;
+};
+
+template<
+      int N
+    , typename First
+    , typename Last
+    , typename State
+    , typename ForwardOp
+    >
+struct fold_impl
+    : fold_chunk<N>
+        ::template result_< First,Last,State,ForwardOp >
+{
+};
+
+}}}