From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
Subject: bug#23776: Perl's .pod files include timestamps,
	making Perl package builds non-deterministic
Date: Sat, 18 Jun 2016 22:35:40 +0200
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References: <87fusdgyg5.fsf@gnu.org> <20160616153927.GB2245@jasmine>
	<877fdoxmja.fsf@gnu.org> <20160617185017.GA16420@jasmine>
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In-Reply-To: <20160617185017.GA16420@jasmine> (Leo Famulari's message of "Fri,
	17 Jun 2016 14:50:17 -0400")
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To: Leo Famulari <leo@famulari.name>
Cc: 23776@debbugs.gnu.org

Leo Famulari <leo@famulari.name> skribis:

> On Fri, Jun 17, 2016 at 10:11:21AM +0200, Ludovic Court=C3=A8s wrote:
>> Leo Famulari <leo@famulari.name> skribis:
>>=20
>> > On Thu, Jun 16, 2016 at 01:33:46PM +0200, Ludovic Court=C3=A8s wrote:
>> >> The problem is described in <git://git.debian.org/git/reproducible/no=
tes.git>:
>> >>=20
>> >> --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=3D1700#L977
>> >>     They should be based on the mtime of the original file.
>> >>   url: https://wiki.debian.org/ReproducibleBuilds/TimestampsInManpage=
sGeneratedByPodMan
>> >
>> > 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?
>>=20
>> 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?

Yes, sounds like the right approach to me.

Thank you.

Ludo=E2=80=99.