diff --git a/ndnboost/lambda/detail/lambda_fwd.hpp b/ndnboost/lambda/detail/lambda_fwd.hpp
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+++ b/ndnboost/lambda/detail/lambda_fwd.hpp
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+//  lambda_fwd.hpp - Boost Lambda Library -------------------------------
+
+// Copyright (C) 1999, 2000 Jaakko Jarvi (jaakko.jarvi@cs.utu.fi)
+//
+// 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)
+//
+// For more information, see www.boost.org
+
+// -------------------------------------------------------
+
+#ifndef BOOST_LAMBDA_FWD_HPP
+#define BOOST_LAMBDA_FWD_HPP
+
+namespace ndnboost { 
+namespace lambda { 
+
+namespace detail {
+
+template<class T> struct generate_error;
+
+}   
+// -- placeholders --------------------------------------------
+
+template <int I> struct placeholder;
+
+// function_adaptors
+template <class Func> 
+struct function_adaptor;
+
+template <int I, class Act> class action;
+
+template <class Base> 
+class lambda_functor;
+
+template <class Act, class Args> 
+class lambda_functor_base;
+
+} // namespace lambda
+} // namespace ndnboost
+
+
+//  #define CALL_TEMPLATE_ARGS class A, class Env
+//  #define CALL_FORMAL_ARGS A& a, Env& env
+//  #define CALL_ACTUAL_ARGS a, env
+//  #define CALL_ACTUAL_ARGS_NO_ENV a
+//  #define CALL_REFERENCE_TYPES A&, Env&
+//  #define CALL_PLAIN_TYPES A, Env
+#define CALL_TEMPLATE_ARGS class A, class B, class C, class Env
+#define CALL_FORMAL_ARGS A& a, B& b, C& c, Env& env
+#define CALL_ACTUAL_ARGS a, b, c, env
+#define CALL_ACTUAL_ARGS_NO_ENV a, b, c
+#define CALL_REFERENCE_TYPES A&, B&, C&, Env&
+#define CALL_PLAIN_TYPES A, B, C, Env
+
+namespace ndnboost {
+namespace lambda {
+namespace detail {
+
+template<class A1, class A2, class A3, class A4>
+void do_nothing(A1&, A2&, A3&, A4&) {}
+
+} // detail
+} // lambda
+} // boost
+
+// prevent the warnings from unused arguments
+#define CALL_USE_ARGS \
+::ndnboost::lambda::detail::do_nothing(a, b, c, env)
+
+
+
+#endif