//  abi_prefix header  -------------------------------------------------------//

 // © Copyright John Maddock 2003

 // Use, modification and distribution are subject to 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).

 #ifndef BOOST_CONFIG_ABI_PREFIX_HPP

 # define BOOST_CONFIG_ABI_PREFIX_HPP

 #else

 # error double inclusion of header boost/config/abi_prefix.hpp is an error

 #endif

 #include <boost/config.hpp>

 // this must occur after all other includes and before any code appears:

 #ifdef BOOST_HAS_ABI_HEADERS

 #  include BOOST_ABI_PREFIX

 #endif