glibc2 & (de)register_frame_info

[Ulrich Drepper]

Christopher Seawood <cls@seawood.org> writes:

> When I compile glibc 2.0.{6,7} with egcs, glibc ends up defining
> the symbols __register_frame_info & __deregister_frame_info. I noticed
> that these are also defined in egcs' libgcc.a  Should this be happening? 

These symbols come from libgcc and they are added while building the
shared object.

> The real problem happens when I upgrade to a glibc that was not built with
> egcs.  Some of the programs I compiled with egcs under a egcs built glibc
> also have a dependency on these symbols.  If it wasn't /bin/login, I might
> not have cared so much. :-/

Well, this is something you can blaim the gcc2 maintainer for.  This
is an unavoidable compatibility problem.

-- Uli
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