https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108369
--- Comment #18 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> --- (In reply to anlauf from comment #17) > (In reply to Jerry DeLisle from comment #16) > > Works using the correct compiler option. We probably should get rid of or > > change the -x option or document it. > I was imagining deleting it altogether and document that it is deleted and advise users to use one of the correct options that specifies fixed form. I was going to wait for 14. > Is there a way to warn the user that this is a deprecated option that > will be removed in a future version? We could start issuing this warning > immediately and finally remove it e.g. in gcc-14. > > At least we should stop mentioning this option in gcc/doc/invoke.texi, > so that it does no longer appear in the documentation under "-x language". I can indeed do this warning in 13 pretty quickly I think.