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Re: ABI breakage in libmysqlclient15off_5.0.24-1 - binNMU possible?

On Sat, Aug 26, 2006 at 04:13:23AM +0200, Christian Hammers wrote:

> On 2006-08-25 Steve Langasek wrote:
> > On Fri, Aug 25, 2006 at 10:25:25PM +0200, Christian Hammers wrote:

> > > MySQL introduced a ABI incompatibility in libmysqlclient15off_5.0.24-1
> > > which already caused a lot of segfaults and crashes esp. with the Perl
> > > bindings. A patch is available at least.

> > > Is it possible to schedule a binNMU rebuild for all packages depending on
> > > libmysqlclient15off without a package name change and just change
> > > the line "dh_makeshlibs -V"?
> > > I guess not as it was necessary back in 2006-03-15 at the last ABI
> > > breakage?

> > What do you mean, 'change the line "dh_makeshlibs -V"'? A binNMU can't
> > include any changes to the source, but this line shouldn't appear in the
> > packages that *depend* on libmysqlclient15off anyway (or at least it's not
> > relevant to this change).
> Sorry for being unclear, the dh_makeshlibs command is of course in my source
> package which I will have to upload anyway to revert the accidental ABI
> change.

Right, ok :)

> > Please fix the library first -- ideally with a package name change or by
> > restoring the ABI,
> Hm, yes, that "or" was exactly my question, in cases where an unintended ABI
> change has been around only for a week in unstable, is it enough to upload
> a fixed version and rebuild everything?

Yes; or even if it's been around longer, really.

> > but at least with a bumped shlibs -- and then we can binNMU the packages 
> > depending on it as needed.
> I upload 5.0.24-2 once it has been built here. It contains *no* package name
> nor soname change but just a fixed libmysqlclient.so.15 and an updated shlibs
> file. And a NEWS entry for apt-listchanges to warn people to rebuild
> binaries that were compiled locally last week. 

Sounds good, Adeodato tells me he's already working up the list of packages
that we'll want to binNMU.

Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
vorlon@debian.org                                   http://www.debian.org/

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