remove unused INTERBASE variable. Use TARGET_lower where it's clearer.
// Boost config.hpp configuration header file ------------------------------//
// (C) Copyright John Maddock 2002.
// 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)
// See http://www.boost.org/libs/config for most recent version.
// Boost config.hpp policy and rationale documentation has been moved to
// http://www.boost.org/libs/config
//
// CAUTION: This file is intended to be completely stable -
// DO NOT MODIFY THIS FILE!
//
#ifndef BOOST_CONFIG_HPP
#define BOOST_CONFIG_HPP
// if we don't have a user config, then use the default location:
#if !defined(BOOST_USER_CONFIG) && !defined(BOOST_NO_USER_CONFIG)
# define BOOST_USER_CONFIG <boost/config/user.hpp>
#endif
// include it first:
#ifdef BOOST_USER_CONFIG
# include BOOST_USER_CONFIG
#endif
// if we don't have a compiler config set, try and find one:
#if !defined(BOOST_COMPILER_CONFIG) && !defined(BOOST_NO_COMPILER_CONFIG) && !defined(BOOST_NO_CONFIG)
# include <boost/config/select_compiler_config.hpp>
#endif
// if we have a compiler config, include it now:
#ifdef BOOST_COMPILER_CONFIG
# include BOOST_COMPILER_CONFIG
#endif
// if we don't have a std library config set, try and find one:
#if !defined(BOOST_STDLIB_CONFIG) && !defined(BOOST_NO_STDLIB_CONFIG) && !defined(BOOST_NO_CONFIG)
# include <boost/config/select_stdlib_config.hpp>
#endif
// if we have a std library config, include it now:
#ifdef BOOST_STDLIB_CONFIG
# include BOOST_STDLIB_CONFIG
#endif
// if we don't have a platform config set, try and find one:
#if !defined(BOOST_PLATFORM_CONFIG) && !defined(BOOST_NO_PLATFORM_CONFIG) && !defined(BOOST_NO_CONFIG)
# include <boost/config/select_platform_config.hpp>
#endif
// if we have a platform config, include it now:
#ifdef BOOST_PLATFORM_CONFIG
# include BOOST_PLATFORM_CONFIG
#endif
// get config suffix code:
#include <boost/config/suffix.hpp>
#endif // BOOST_CONFIG_HPP