--as-needed change wrt undefined weak symbols

[H.J. Lu]

On Sun, Jan 13, 2013 at 7:58 PM, Alan Modra <amodra@gmail.com> wrote:
> Does anyone have objections or serious reservations on changing
> --as-needed to require a strong reference?  I'm in favour of excluding
> weak references as that more closely follows the rules for ld
> extracting objects from archives.
>
> Now that http://sourceware.org/ml/binutils/2013-01/msg00165.html and
> http://sourceware.org/ml/binutils/2013-01/msg00186.html have gone in I
> think the following is all we need.
>
> bfd/
>         PR ld/12549
>         elflink.c (elf_link_add_object_symbols): Exclude weak refs when
>         considering whether an --as-needed library is needed.
> ld/
>         * ld.texinfo (--as-needed): Update.
> ld/testsuite/
>         * ld-elf/pr14862.out: Expect no output.
>

Given then the behavior of pr14862 is changed,
I don't think it is a good idea.


-- 
H.J.