https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80238
--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Mike from comment #4) > (In reply to Richard Biener from comment #3) > > Can you try to build in a separate object directory instead? > And where to put the folder https://gcc.gnu.org/wiki/FAQ#configure