https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51388
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |egallager at gcc dot gnu.org
Resolution|--- |FIXED
--- Comment #13 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Andreas Schwab from comment #11)
> Does this work?
>
> diff --git a/config/warnings.m4 b/config/warnings.m4
> index 292e5a4..b64b594 100644
> --- a/config/warnings.m4
> +++ b/config/warnings.m4
> @@ -32,7 +32,7 @@ for real_option in $1; do
> # Do the check with the no- prefix removed since gcc silently
> # accepts any -Wno-* option on purpose
> case $real_option in
> - -Wno-*) option=-W`expr $real_option : '-Wno-\(.*\)'` ;;
> + -Wno-*) option=-W`expr x$real_option : 'x-Wno-\(.*\)'` ;;
> *) option=$real_option ;;
> esac
> AS_VAR_PUSHDEF([acx_Woption], [acx_cv_prog_cc_warning_$option])
(In reply to Andreas Tobler from comment #12)
> Seems to work. At least in stage one, compiling gcc.
>
> Thank you!
Upon checking current config/warnings.m4, it looks like this patch was applied,
so I'm closing this bug as FIXED.
