Bug#495394: Perl embedding pain

[Jonas Smedegaard]

Quoting Niko Tyni (2015-05-24 12:10:12)
> 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.

Ohh - this is great news!

I look forward to being able to do major Debian upgrades in smaller 
chunks rather than being forced to upgrade all packages related to XS 
modules in lockstep.


Enjoy Spain!

 - Jonas

-- 
 * Jonas Smedegaard - idealist & Internet-arkitekt
 * Tlf.: +45 40843136  Website: http://dr.jones.dk/

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