for native-struct try http://gcc.gnu.org/ml/gcc-patches/1999-06n/msg00702.html for vtable-thunks try http://gcc.gnu.org/onlinedocs/gcc-2.95.3/gcc_2.html#SEC7 could you post a sample code file and makefile? Toby Popenfoose tpopenfoose@earthlink.net -- Want to unsubscribe from this list? Check out: http://cygwin.com/ml/#unsubscribe-simple