PATCH: Handle undefined symbol in DSO from DT_NEEDED

[Ulrich Drepper]

"H . J . Lu" <hjl@lucon.org> writes:

> glibc 2.2.3 changes atexit from default to hidden. DSOs with
> unversioned references to atexit fail to link if they are loaded
> in via a DT_NEEDED entry. This patch makes it non-fatal. I will
> check it in if I don't hear any objections by Thursday.

Why should the linker ignore bugs?  Don't work around problems users
introduced.  Make them fix their code.

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