>>The correct switch is -mno-cygwin. -mno-cygwin should be equivalent to >>building with the mingw compiler unless you try to include cygwin header >>files or libraries, which is a common mistake. Chris, sorry that was I typo in my posting! I used gcc -mno-cygwin rather than -no-cygwin, and this did NOT produce a working dll!!!! mingw-gcc did! thx for responding, H. -- 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/