text: 
  // Copyright 2005-2008 Daniel James.
  // 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)
  
  #error "boost/functional/hash/map.hpp is no longer supported, use boost/functional/hash.hpp instead."
  #include <boost/functional/hash.hpp>
  