Re: ld compat linker warnings considered harmful

[Robert Swindells <rjs%fdy2.co.uk@localhost>]

Thomas Klausner <wiz%netbsd.org@localhost> wrote:
> For library function renaming to work, NetBSD uses header macros to
> use the latest version of a function, so that the old symbol still
> stays available for programs that were linked against the previous
> version of the function.
>
> There is also a linker warning so that you do not use the old
> functions by accident, because you forgot including the header, e.g.:
>
> ld: /usr/lib/libm.so.0: warning: warning: reference to compatibility cabs()
>
> The (known) problem is that this linker warning also triggers when it
> shouldn't, when libraries are pulled in indirectly and the functions
> not even used by the program that (indirectly) links against them.

Do any of the alternative linkers handle .gnu.warning.SYMBOL sections
how we would want them to work?