Bug#495394: Perl embedding pain

[Ben Hutchings]

On Sun, 2015-05-24 at 13:10 +0300, Niko Tyni wrote:
> On Tue, Aug 26, 2014 at 01:35:50AM -0700, Ben Hutchings wrote:
> > On Mon, 2014-08-25 at 16:20 -0700, Niko Tyni wrote:
> > > On Thu, Aug 21, 2014 at 01:07:16PM -0700, Ben Hutchings wrote:
> > > > As libperl5.* packages currently depend on an exact version of
> > > > perl-base, coinstallation of multiple library versions is impossible.
> > > > Transitions are not only a pain for developers, but users must upgrade
> > > > all Perl extensions and embedding applications at the same time as the
> > > > perl package.
> > > > 
> > > > Why don't all the Perl package names include the ABI version, leaving
> > > > perl as a metapackage?
> > > > 
> > > > With linux-tools-* packages, this is particularly problematic as the
> > > > older packages will never be rebuilt for the new Perl version.  My
> > > > inclination is to 'fix' this by removing Perl integration from perf.
> > > > Please let us know whether it will be possible to fix this properly.
> 
> > > For my part, I'm sort of interested in leaving old libperl versions
> > > installable after upgrades, but I wouldn't want to be supporting
> > > /usr/bin/perl5.18 and /usr/bin/perl5.20 simultaneously or even having
> > > separate source packages for different Perl versions in the archive at the
> > > same time.
> 
> Hi, getting back to this old thread (and #495394, which is a similar
> request): it looks like we'll be reorganizing the package setup for
> Perl 5.22 so that in the future libperl5.xx and libperl5.yy will stay
> coinstallable, along with the full standard library.  There are still
> no provisions for keeping old builds of binary ("XS") module packages
> around, but it should be possible to install those modules manually from
> CPAN if needed.
> 
> New major Perl releases are made yearly in May or thereabouts, and 5.22
> is currently at the release candidate phase upstream. We expect to get
> it in experimental soon, and in sid this summer.  By the time stretch
> is frozen I suppose we'll be at 5.24.
> 
> As jessie was released with the old setup, this won't help jessie->stretch
> upgrades, but at least things are getting better now.

Thanks, it sounds like that will fix the problem we have with
linux-tools-*.

Ben.

> Greetings from the Debian Perl team sprint in sunny Barcelona,

-- 
Ben Hutchings
Experience is what causes a person to make new mistakes instead of old ones.
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