https://gcc.gnu.org/bugzilla/show_bug.cgi?id=40960
Eric Gallager <egallager at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2017-09-16
CC| |egallager at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #5 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to jos...@codesourcery.com from comment #4)
> Subject: Re: POSIX requires that option -D have a lower precedence
> than -U
>
> On Tue, 4 Aug 2009, vincent at vinc17 dot org wrote:
>
> > There would the possibility to have a POSIX mode implied by c99, but I don't
> > think having different behaviors would be a good idea. IMHO, Makefiles
> > should
>
> I think that installing a variant driver program as "c99", that implements
> the different semantics, is exactly the right thing to do here; the
> present semantics are more useful for "gcc". We should have a configure
> option to install "cc", "c89" and "c99" drivers; they should have
> appropriate defaults regarding e.g. standards mode, and should also adjust
> the precedence of these options and make any other adjustments required by
> POSIX that aren't appropriate for "gcc".
Confirmed, I think a configure option would be a good way to go about it.
