#include <boost/config/warning_disable.hpp>
-// define BOOST_FILESYSTEM_SOURCE so that <boost/filesystem/config.hpp> knows
-// the library is being built (possibly exporting rather than importing code)
-#define BOOST_FILESYSTEM_SOURCE
-
-#ifndef BOOST_SYSTEM_NO_DEPRECATED
+#ifndef BOOST_SYSTEM_NO_DEPRECATED
# define BOOST_SYSTEM_NO_DEPRECATED
#endif