Bug#865411: perl: please backport zlib > 1.2.9 patches

[Dominic Hargreaves]

On Wed, Jun 21, 2017 at 10:02:37PM +0300, Niko Tyni wrote:
> On Wed, Jun 21, 2017 at 07:42:32PM +0100, Dominic Hargreaves wrote:
> > On Wed, Jun 21, 2017 at 08:10:04AM +0000, Gianfranco Costamagna wrote:
> > > Source: perl
> > > Version: 5.24.1-4
> > > Severity: important
> > > 
> > > Hello, with the new zlib > 1.2.9 the testsuite fails,
> > > (e.g. you can look at Ubuntu build failures).
> > > https://launchpad.net/ubuntu/+source/perl/5.24.1-2
> > > 
> > > I found the test failures on rt.cpan.org and I applied to Ubuntu the proposed
> > > patches:
> > > https://rt.cpan.org/Public/Bug/Display.html?id=120134
> > > https://rt.cpan.org/Public/Bug/Display.html?id=119762
> 
> > Just to be clear, this is in Compress-Raw-Zlib that has already 
> > (according to https://rt.cpan.org/Public/Bug/Display.html?id=119762)
> > been fixed in 2.74, which is already in blead and perl 5.26 (which is
> > in experimental).
> 
> The Ubuntu patches and the second bug also reference IO-Compress, not
> sure if that's upstream yet.

My reading is that no change in IO-Compress was needed once
Compress-Raw-Zlib was fixed. And the CPAN bug was resolved with
no code change in IO-Compress.

> > I'm not convinced that we need to spend time on fixing this for 5.24
> > given where we are in the release cycle, but this will depend on
> > when the zlib maintainer (Cced) plans to update to a newer zlib.
> 
> Agreed.