On Tue, Sep 02, 2025 at 10:01:54AM +0530, Ayappan wrote:
> All active releases I would say. That would be GCC 13, 14 and 15 if I am not
> wrong.
Wow. So this shortcoming harks back to the origin of time.
Why was it not discovered before, do you think? No one ever tried it?
Should we have a testcase for it? _Do_ we have a testcase for it?
Segher
p.s. Please do not top-post.
> On Mon, Sep 1, 2025 at 10:11 PM Segher Boessenkool <[1]
> seg...@kernel.crashing.org> wrote:
>
> On Mon, Sep 01, 2025 at 09:54:41PM +0530, Ayappan wrote:
> > Yes, that would be really helpful.
>
> What release branches do you want this backported to, then? I cannot
> (always) read minds :-)
>
>
> Segher
>
>
> > On Mon, Sep 1, 2025 at 9:31 PM Segher Boessenkool <[1]
> > [2]seg...@kernel.crashing.org> wrote:
> >
> > Excellent. Thank you. Okay for trunk, as David said.
> >
> > Do you want backports for this?
> >
> >
> > Segher
> >
> >
> > On Mon, Sep 01, 2025 at 07:22:17PM +0530, Ayappan Perumal wrote:
> > > From: Ayappan Perumal <[2][3]ayapp...@in.ibm.com>
> > >
> > > ---
> > > stack-protector is not supported in GCC on AIX. This patch is to
> fail the
> > > compilation if -fstack-protector option is passed.
> > >
> > > gcc/config/rs6000/aix.h | 4 +++-
> > > 1 file changed, 3 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/gcc/config/rs6000/aix.h b/gcc/config/rs6000/aix.h
> > > index 9e7edbb2f22..c83eacefff4 100644
> > > --- a/gcc/config/rs6000/aix.h
> > > +++ b/gcc/config/rs6000/aix.h
> > > @@ -281,4 +281,6 @@
> > > #undef SUBTARGET_DRIVER_SELF_SPECS
> > > #define SUBTARGET_DRIVER_SELF_SPECS \
> > > "%{m64:-maix64} %<m64", \
> > > -"%{m32:-maix32} %<m32"
> > > +"%{m32:-maix32} %<m32", \
> > > +"%{fstack-protector*: %<fstack-protector* \
> > > + %estack-protector not supported on AIX}"
> > > --
> > > 2.41.0
> >
> >
> > References:
> >
> > [1] mailto:[4]seg...@kernel.crashing.org
> > [2] mailto:[5]ayapp...@in.ibm.com
>
>
> References:
>
> [1] mailto:seg...@kernel.crashing.org
> [2] mailto:seg...@kernel.crashing.org
> [3] mailto:ayapp...@in.ibm.com
> [4] mailto:seg...@kernel.crashing.org
> [5] mailto:ayapp...@in.ibm.com
