Thanks very much!You have helped me twice. I can't get any help from google about -mwindows.So you are better than google.;) Best wishes! Wei -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/