#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)
+#if !defined(BOOST_STDLIB_CONFIG) && !defined(BOOST_NO_STDLIB_CONFIG) && !defined(BOOST_NO_CONFIG) && defined(__cplusplus)
# include <boost/config/select_stdlib_config.hpp>
#endif
// if we have a std library config, include it now: