[FFmpeg-devel] [PATCH] libavutil/ppc/cpu.c: check that AT_HWCAP2 is defined

[Michael Niedermayer]

On Wed, Oct 18, 2023 at 01:18:54PM -0400, Sean McGovern wrote:
> On Sat, Oct 14, 2023, 23:27 Sean McGovern <gseanmcg at gmail.com> wrote:
> 
> > It was not introduced until glibc 2.18.
> > ---
> > This should fix the ppc32 FATE node.
> > ---
> >  libavutil/ppc/cpu.c | 5 ++++-
> >  1 file changed, 4 insertions(+), 1 deletion(-)
> >
> > diff --git a/libavutil/ppc/cpu.c b/libavutil/ppc/cpu.c
> > index 96b491c716..bc8bb5f47c 100644
> > --- a/libavutil/ppc/cpu.c
> > +++ b/libavutil/ppc/cpu.c
> > @@ -95,12 +95,15 @@ int ff_get_cpu_flags_ppc(void)
> >  #endif
> >                  if (ret & AV_CPU_FLAG_VSX)
> >                      av_assert0(ret & AV_CPU_FLAG_ALTIVEC);
> > -            } else if (buf[i] == AT_HWCAP2) {
> > +            }
> > +#ifdef AT_HWCAP2 /* not introduced until glibc 2.18 */
> > +            else if (buf[i] == AT_HWCAP2) {
> >  #ifdef PPC_FEATURE2_ARCH_2_07
> >                  if (buf[i + 1] & PPC_FEATURE2_ARCH_2_07)
> >                      ret |= AV_CPU_FLAG_POWER8;
> >  #endif
> >              }
> > +#endif /* AT_HWCAP2 */
> >          }
> >      }
> >
> > --
> > 2.39.2
> >
> 
> Ping review.

will apply with my next push to master


> 
> Alternatively, can the ppc32 FATE nodes be upgraded to a distribution
> release with glibc 2.18 or higher?

> Can I assist with that somehow?

If you want, you can run a fate client to replace or augment the old one.
for this sent the public ssh key the cleint will use to fate-admin (email addr
should be in the docs)

thx
[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

If you fake or manipulate statistics in a paper in physics you will never
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a job for life at the pharma industry.
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