Re: New failure on aarch64 in Fedora Rawhide.

[Carlos O'Donell <codonell at redhat dot com>]

On 4/10/19 7:04 AM, Andreas Schwab wrote:
> On Apr 09 2019, Carlos O'Donell <codonell@redhat.com> wrote:
>
> > https://kojipkgs.fedoraproject.org//work/tasks/2880/34082880/build.log
> >
> > BUILDSTDERR: In file included from ../sysdeps/aarch64/sysdep.h:22,
> > BUILDSTDERR:                  from ../sysdeps/unix/sysv/linux/aarch64/sysdep.h:26,
> > BUILDSTDERR:                  from ../sysdeps/aarch64/nptl/tls.h:37,
> > BUILDSTDERR:                  from ../include/errno.h:25,
> > BUILDSTDERR:                  from ../sysdeps/unix/sysv/linux/netlink_assert_response.c:19:
> > BUILDSTDERR: ../sysdeps/generic/sysdep.h:81: error: "CFI_RESTORE" redefined [-Werror]
> > BUILDSTDERR:    81 | # define CFI_RESTORE(reg) \
> > BUILDSTDERR:       |
> > BUILDSTDERR: In file included from ../sysdeps/unix/sysdep.h:18,
> > BUILDSTDERR:                  from ../sysdeps/unix/sysv/linux/aarch64/sysdep.h:25,
> > BUILDSTDERR:                  from ../sysdeps/aarch64/nptl/tls.h:37,
> > BUILDSTDERR:                  from ../include/errno.h:25,
> > BUILDSTDERR:                  from ../sysdeps/unix/sysv/linux/netlink_assert_response.c:19:
> > BUILDSTDERR: ../sysdeps/generic/sysdep.h:81: note: this is the location of the previous definition
> > BUILDSTDERR:    81 | # define CFI_RESTORE(reg) \
> > BUILDSTDERR:       |
> > BUILDSTDERR: cc1: all warnings being treated as errors
> >
> > This just came up in Fedora Rawhide.
>
> I don't see that failure, and I don't understand why the compiler
> complains.  The definitions should be 100% identical.  Why doesn't the
> compiler complain about the other macro redefinitions?

And the weirder thing is that a rebuild with the same compiler version worked.

Maybe flaky hardware?

--
Cheers,
Carlos.