https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86377
--- Comment #9 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to U.Mutlu from comment #8) > It is possible to fix all the warnings and then use -Werror. But only today. Tomorrow's compilers will have different warnings. And yesterday's compilers too. I think what you're trying to do is not something anybody really cares about supporting.