boost/config/header_deprecated.hpp
#ifndef BOOST_CONFIG_HEADER_DEPRECATED_HPP_INCLUDED
#define BOOST_CONFIG_HEADER_DEPRECATED_HPP_INCLUDED
// Copyright 2017 Peter Dimov.
//
// 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
//
// BOOST_HEADER_DEPRECATED("<alternative>")
//
// Expands to the equivalent of
// BOOST_PRAGMA_MESSAGE("This header is deprecated. Use <alternative> instead.")
//
// Note that this header is C compatible.
#include <boost/config/pragma_message.hpp>
#if defined(BOOST_ALLOW_DEPRECATED_HEADERS) || defined(BOOST_ALLOW_DEPRECATED)
# define BOOST_HEADER_DEPRECATED(a)
#else
# define BOOST_HEADER_DEPRECATED(a) BOOST_PRAGMA_MESSAGE("This header is deprecated. Use " a " instead.")
#endif
#endif // BOOST_CONFIG_HEADER_DEPRECATED_HPP_INCLUDED