https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108743
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Pierre Ossman from comment #2) > Great news. And that is the same thing as clang's -fconstant-cfstrings? yes > > Unfortunately, I couldn't see -mconstant-cfstrings in gcc's documentation, > but I may be looking in the wrong place. and it is just missing. Also are you trying to compile for darwin (Mac OS X) or some other target? If some other target, then these options are not there.
