[Bug ld/16403] Spurious undefined reference with --as-needed

[amodra at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=16403

Alan Modra <amodra at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |amodra at gmail dot com

--- Comment #1 from Alan Modra <amodra at gmail dot com> ---
Wow, that's quite an unusual testcase.  The only reason you need libc.so.6 is
due to a reference from libc_nonshared.a.

libc.so:
GROUP ( libc.so.6 libc_nonshared.a  ld-linux.so.2 )

A workaround is to link -lc twice, or change libc.so to link libc.so.6 both
before and after libc_nonshared.a.

Another possible solution is to modify ld GROUP behaviour when --as-needed is
in effect.

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