https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111330
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Seems sed -i -e 's/ -fcase / -fcase -Wno-all /' libgm2/*/Makefile.am sed -i -e 's/ -fcase / -fcase -Wno-all /' libgm2/*/Makefile.in can work as a work-around for this bug, but it would still be nice to understand what's going on and get it fixed.
