On 2022-09-30 20:23:06 [+0300], Lasse Collin wrote:
> On 2022-09-29 Guillem Jover wrote:
> > On Wed, 2022-09-28 at 21:41:59 +0800, Jia Tan wrote:
> > > […] The
> > > interface for liblzma and xz for the multi threaded decoder does not
> > > have any planned changes, so things could probably be developed and
> > > tested using 5.3.3.  
> > 
> > Ah, thanks, that's reassuring then. It's one of the things I was
> > worried about when having to decide whether to merge the patch I've
> > got implementing this support into dpkg. So, once the alpha version
> > has been packaged for Debian experimental, I'll test the patch and
> > commit it.
> There are no planned changes but that isn't a *promise* that there won't
> be any changes before 5.4.0.
> I don't track API or ABI compatibility within development releases and
> thus binaries linked against shared liblzma from one alpha/beta release
> won't run with liblzma from the next alpha/beta *if* they depend on
> unstable symbols (symbol versioning stops it). This includes the xz
> binary itself and would include dpkg too if it uses the threaded
> decoder.

That should be no problem. The last alpha version has been uploaded to
debian experimental and it is exactly the place for such things. So dpkg
could be linked against that version in experimental and will never
enter an official release.


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