i686-linux-gnu-no-pie build failure

[H.J. Lu]

On Wed, Sep 3, 2025, 9:36 AM Joseph Myers <josmyers@redhat.com> wrote:

> On Wed, 3 Sep 2025, H.J. Lu wrote:
>
> > On Wed, Sep 3, 2025, 8:28 AM Joseph Myers <josmyers@redhat.com> wrote:
> >
> > > With GCC mainline, we have a failure
> > >
> > > FAIL: glibcs-i686-linux-gnu-no-pie build
> > >
> > > that appears to result from the GCC change:
> > >
> > > commit 07d8de9174c421d719649639a1452b8b9f2eee32
> > > Author: H.J. Lu <hjl.tools@gmail.com>
> > > Date:   Wed Jul 2 08:58:23 2025 +0800
> > >
> > >     x86-64: Add --enable-x86-64-mfentry
> > >
> > > This warning "'-pg' without '-mfentry' may be unreliable with shrink
> > > wrapping" doesn't have an option to control it.  I suppose we need to
> > > change options used to build profiling glibc for i686 to avoid this
> > > warning?
> > >
> >
> > Does it fail for Linux i686? If not, why?
>
> The failure is specific to the no-pie case (i.e. --disable-default-pie),
> presumably because the warning is disabled for PIC.
>

Does it fail on Linux i686 with the same configure option?

>
> --
> Joseph S. Myers
> josmyers@redhat.com
>
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