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Re: Get rid of weak symbols in static objects


Momchil Velikov <velco@fadata.bg> writes:

> >>>>> "Alan" == Alan Modra <amodra@bigpond.net.au> writes:
> 
> Alan> On Wed, Nov 26, 2003 at 12:22:34PM +0200, Momchil Velikov wrote:
> >> * elflink.h (elf_link_output_extsym): Do not output weak symbols
> >> in statically linked objects.
> 
> Alan> Also not OK.  What is wrong with leaving the symbols as they are
> Alan> currently? 
> 
>   I find useful to maintain the following invariant:
> 
>   "Statically linked executables do not contain undefined symbols
>   (unless --noinhibit-exec is given)."

Why is that useful?

>From my point of view a weak undefined symbol which never sees a
definition really is undefined.  The linker resolves it as though it
has the value zero, but the linker never defines it in the usual
sense.

Ian


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