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: Fri, 13 Jan 2017 09:02:35 +0100 Message-ID: <87wpdzl750.fsf@gnu.org> References: <87fusdgyg5.fsf@gnu.org> <20160616153927.GB2245@jasmine> <20160619173154.GA26953@jasmine> <87mvexuta8.fsf@gnu.org> <87k2a06viz.fsf@kirby.i-did-not-set--mail-host-address--so-tickle-me> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:39798) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cRwpF-0007tL-R8 for bug-guix@gnu.org; Fri, 13 Jan 2017 03:03:09 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cRwpC-0004G6-Op for bug-guix@gnu.org; Fri, 13 Jan 2017 03:03:05 -0500 Received: from debbugs.gnu.org ([208.118.235.43]:36628) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1cRwpC-0004G1-M2 for bug-guix@gnu.org; Fri, 13 Jan 2017 03:03:02 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1cRwpC-0000Jq-2o for bug-guix@gnu.org; Fri, 13 Jan 2017 03:03:02 -0500 Sender: "Debbugs-submit" Resent-Message-ID: In-Reply-To: <87k2a06viz.fsf@kirby.i-did-not-set--mail-host-address--so-tickle-me> (Marius Bakke's message of "Thu, 12 Jan 2017 18:24:52 +0100") List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guix-bounces+gcggb-bug-guix=m.gmane.org@gnu.org Sender: "bug-Guix" To: Marius Bakke Cc: 23776@debbugs.gnu.org Marius Bakke skribis: > Ludovic Court=C3=A8s writes: > >> Leo Famulari skribis: >> >>> On Thu, Jun 16, 2016 at 11:39:27AM -0400, Leo Famulari wrote: >>>> On Thu, Jun 16, 2016 at 01:33:46PM +0200, Ludovic Court=C3=A8s wrote: >>>> > The problem is described in : >>>> >=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/TimestampsInManpag= esGeneratedByPodMan >>>>=20 >>>> 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? >>> >>> I noticed that Pod::Man is supposed to respect SOURCE_DATE_EPOCH, as of >>> the upstream module version 4.03 (released 2015-12-06). Does anyone know >>> how to check the version of the module bundled into perl? >> >> For the record, even though Pod::Man supposedly honors SOURCE_DATE_EPOCH >> as of Perl 5.24, we still have this problem: >> >> --8<---------------cut here---------------start------------->8--- >> $ diff -r /gnu/store/hczskszmhm2l65vy8nv990lzc5dk3ln9-perl-algorithm-c3-= 0.10{,-check} >> diff -r /gnu/store/hczskszmhm2l65vy8nv990lzc5dk3ln9-perl-algorithm-c3-0.= 10/lib/perl5/5.24.0/x86_64-linux-thread-multi/perllocal.pod /gnu/store/hczs= kszmhm2l65vy8nv990lzc5dk3ln9-perl-algorithm-c3-0.10-check/lib/perl5/5.24.0/= x86_64-linux-thread-multi/perllocal.pod >> 1c1 >> < =3Dhead2 Wed Jan 11 22:20:36 2017: C L >> --- >>> =3Dhead2 Wed Jan 11 22:20:34 2017: C L >> --8<---------------cut here---------------end--------------->8--- > > Isn't this fixed by be12f4e27505edd87c4aa457fec43dd0fee23b79 from > 'core-updates'? Oh, probably! I had forgotten about it, thanks for the heads-up. Ludo=E2=80=99.