Hi, I have the same issue using GNAT while linking. "cannot find entry symbol _mainCRTStartup ; defaulting to 0x004010000" Did you find the problem? Please let me know Krzysztof -- 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/