avoiding undesirable undef[weak] syms after relocatable linking

[H.J. Lu]

On Sat, Apr 13, 2024 at 6:52 AM H.J. Lu <hjl.tools@gmail.com> wrote:
>
> On Sat, Apr 13, 2024 at 3:15 AM Alexandre Oliva <oliva@adacore.com> wrote:
> >
> > Hello, Nick,
> >
> > On Apr 12, 2024, Nick Clifton <nickc@redhat.com> wrote:
> >
> > > Hi Alex,
> > >> And here's how to trigger the problem:
> > >> as t.s -o t.o && ar cr t.a t.o && ranlib t.a && as m.s -o m.o &&
> > >> ld m.o -o m -r && nm m | grep bar
> > >> w bar
> >
> > > Which version of the binutils are you using ?  And for which target ?
> >
> > Originally, 2.42 snapshots on multiple vxworks targets, but I'd tried on
> > x86_64-linux-gnu as well.  Unfortunately, I see now that I made a
> > mistake in the command posted by email: somehow I dropped t.a from the
> > link command, presumably while editing it to remove local artifacts.
> > Please accept my apologies.  Here's the correct command, now (not)
> > adjusted, so that it runs from the top of a binutils build tree.  The
> > (unmodified) [tm].s files are attached.
> >
> > $ gas/as-new t.s -o t.o && binutils/ar cr t.a t.o && binutils/ranlib t.a && gas/as-new m.s -o m.o && ld/ld-new m.o t.a -o m -r && binutils/nm-new m | grep bar
> >                  w bar
> > $ ld/ld-new --version
> > GNU ld (GNU Binutils) 2.42.50.20240413
> > [...]
> > $ git log
> > commit 4ad25f3bed6bc4c010962b11fde1c70ce8c22cae
> > [...]
> >
> >
>
> Please open a bug report.
>
> Thanks.
>

This should fix it.  I will submit a complete patch after the bug
report is opened.

-- 
H.J.
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