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From: Leo Famulari <leo@famulari.name>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: 23776@debbugs.gnu.org
Subject: bug#23776: Perl's .pod files include timestamps, making Perl package builds non-deterministic
Date: Fri, 17 Jun 2016 14:50:17 -0400	[thread overview]
Message-ID: <20160617185017.GA16420@jasmine> (raw)
In-Reply-To: <877fdoxmja.fsf@gnu.org>

On Fri, Jun 17, 2016 at 10:11:21AM +0200, Ludovic Courtès wrote:
> Leo Famulari <leo@famulari.name> skribis:
> 
> > On Thu, Jun 16, 2016 at 01:33:46PM +0200, Ludovic Courtès wrote:
> >> The problem is described in <git://git.debian.org/git/reproducible/notes.git>:
> >> 
> >> --8<---------------cut here---------------start------------->8---
> >> timestamps_in_documentation_generated_by_podman:
> >>   description: |
> >>     The module Pod::Man includes timestamps in its embedded manpages:
> >>     http://sources.debian.net/src/perl/latest/cpan/podlators/lib/Pod/Man.pm/?hl=1700#L977
> >>     They should be based on the mtime of the original file.
> >>   url: https://wiki.debian.org/ReproducibleBuilds/TimestampsInManpagesGeneratedByPodMan
> >
> > According to the information on this page, we should set POD_MAN_DATE
> > while building. Should we make the perl-build-system export this
> > variable? Set to SOURCE_DATE_EPOCH?
> 
> Yes, that sounds like a good idea.

Should I add a phase to %standard-phases in perl-build-system.scm [0]?

Should I define a new procedure set-POD_MAN_DATE [1] and add that
perl-build-system.scm's %standard-phases?

[0]
http://git.savannah.gnu.org/cgit/guix.git/tree/guix/build/perl-build-system.scm#n71

[1] As in...
http://git.savannah.gnu.org/cgit/guix.git/tree/guix/build/gnu-build-system.scm#n42

  reply	other threads:[~2016-06-17 18:51 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-16 11:33 bug#23776: Perl's .pod files include timestamps, making Perl package builds non-deterministic Ludovic Courtès
2016-06-16 15:39 ` Leo Famulari
2016-06-17  8:11   ` Ludovic Courtès
2016-06-17 18:50     ` Leo Famulari [this message]
2016-06-18 20:35       ` Ludovic Courtès
2016-06-19 17:31   ` Leo Famulari
2016-06-25 18:23     ` Leo Famulari
2016-07-30  9:28       ` Ludovic Courtès
2017-01-11 22:27     ` Ludovic Courtès
2017-01-12 17:24       ` Marius Bakke
2017-01-13  8:02         ` Ludovic Courtès
2017-10-31 15:17           ` Ludovic Courtès

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