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Re: glibc 2.3
- From: Jakub Jelinek <jakub at redhat dot com>
- To: Graham Murray <graham at gmurray dot org dot uk>
- Cc: linux-gcc at vger dot kernel dot org, libc-alpha at sources dot redhat dot com
- Date: Sat, 5 Oct 2002 21:39:26 +0200
- Subject: Re: glibc 2.3
- References: <3D9C1775.9030503@redhat.com> <m3elb4fzky.fsf@home.gmurray.org.uk>
- Reply-to: Jakub Jelinek <jakub at redhat dot com>
On Sat, Oct 05, 2002 at 08:35:57PM +0100, Graham Murray wrote:
> Ulrich Drepper <drepper@redhat.com> writes:
>
>
> > The 2.3.x release should be binary compatible with the 2.2 and earlier
> > releases. All correct programs should continue to run.
>
> I have encountered what looks like a binary incompatibility since
> upgrading from 2.2.5.
>
> I received the error message "relocation error: symbol
> __libc_stack_end, version GLIBC_2.1 not defined in file ld-linux.so.2
> with link time reference". This was on a program built from source
> using the same gcc3.2 and glibc 2.2.5 (SuSE). Recompiling while
> running glibc 2.3
__libc_stack_end is part of glibc private interface, libraries other
then the ones contained in glibc or programs must not use it.
The private interfaces has been moved to GLIBC_PRIVATE symbol version
to catch broken programs/libraries and also to document what is and what
is not considered to be private interface in a clear way.
Jakub