i think you guys already fixed it on mingw. http://sourceforge.net/tracker/index.php?func=detail&aid=1211187&group_id=2435&atid=102435 but not for cygwin. it results sigsegv in cygwin for profiling regparm(x) function. please execute cp -f winsup/mingw/profile/profile.h winsup/cygwin/config/i386/profile.h regards. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple