[lug] Compatibility between glibc-2.1 and glibc-2.2

[D. Stimits]

Jonathan Briggs wrote:
> 
> "Harris, James" wrote:
> 
> >Hi everybody!
> >
> >I'm getting confused with the recent RedHat updates on RH 7.0 bringing
> >glibc-2.1 up to glibc-2.2.  We have a box that we've patched completely, but
> >our third party application was apparently linked against 2.1 and won't
> >install now that we have 2.2.4 on the system.
> >
> >Looking at the install script, we can easily fool the installer to work, but
> >the BIG question is: will be application be unstable running with 2.2 when
> >it was originally built on 2.1?  We've sent this question out to the vendor,
> >but anticipate that it may take them some time to respond, and I figure you
> >guys might know whether the glibc libraries themselves are compatible.  I've
> >tried going to the glibc web page but can't find any compatibility
> >information out there.
> >
> >Does anyone here know?... Or are there any good sites out there that address
> >this type of compatibility issue?
> >
> The 2.2 version of glibc is _not_ fully compatible with the 2.1 version.
> 
> When I upgraded glibc on my RedHat 6.2 system up to 2.2.4 along with
> many other rpms from RedHat 7.2, several of my gnome applications quit
> working.  Nautilus and gnumeric and Ximian's RedCarpet program would run
> and then segfault.

That's a sign that it needs to be relinked. They will probably work
after that (using a source rpm or tarball or source in general makes
that possible).

D. Stimits, stimits at idcomm.com

> 
> However, most other programs continued to work fine.
> 
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