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: Thu, 16 Jun 2016 13:33:46 +0200 Message-ID: <87fusdgyg5.fsf@gnu.org> 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]:35877) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bDVZh-00051H-Ok for bug-guix@gnu.org; Thu, 16 Jun 2016 07:35:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bDVZe-0004SK-As for bug-guix@gnu.org; Thu, 16 Jun 2016 07:35:05 -0400 Received: from debbugs.gnu.org ([208.118.235.43]:58857) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bDVZe-0004SE-7G for bug-guix@gnu.org; Thu, 16 Jun 2016 07:35:02 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1bDVZe-0000WH-0b for bug-guix@gnu.org; Thu, 16 Jun 2016 07:35:02 -0400 Sender: "Debbugs-submit" Resent-Message-ID: Received: from eggs.gnu.org ([2001:4830:134:3::10]:35651) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bDVYZ-0004y5-9t for bug-guix@gnu.org; Thu, 16 Jun 2016 07:33:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bDVYU-00040P-HM for bug-guix@gnu.org; Thu, 16 Jun 2016 07:33:55 -0400 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:43939) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bDVYU-0003zz-E6 for bug-guix@gnu.org; Thu, 16 Jun 2016 07:33:50 -0400 Received: from pluto.bordeaux.inria.fr ([193.50.110.57]:44008 helo=pluto) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1bDVYS-00036A-Pd for bug-guix@gnu.org; Thu, 16 Jun 2016 07:33:49 -0400 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: 23776@debbugs.gnu.org Here=E2=80=99s an example: --8<---------------cut here---------------start------------->8--- $ diff -ru /gnu/store/fmib129w05hbwbikd7x48s37hvr8nrdf-perl-io-stringy-2.11= 0 /gnu/store/fmib129w05hbwbikd7x48s37hvr8nrdf-perl-io-stringy-2.110-check diff -ru /gnu/store/fmib129w05hbwbikd7x48s37hvr8nrdf-perl-io-stringy-2.110/= lib/perl5/5.22.1/x86_64-linux/perllocal.pod /gnu/store/fmib129w05hbwbikd7x4= 8s37hvr8nrdf-perl-io-stringy-2.110-check/lib/perl5/5.22.1/x86_64-linux/perl= local.pod --- /gnu/store/fmib129w05hbwbikd7x48s37hvr8nrdf-perl-io-stringy-2.110/lib/p= erl5/5.22.1/x86_64-linux/perllocal.pod 1970-01-01 01:00:01.000000000 +0100 +++ /gnu/store/fmib129w05hbwbikd7x48s37hvr8nrdf-perl-io-stringy-2.110-check= /lib/perl5/5.22.1/x86_64-linux/perllocal.pod 1970-01-01 01:00:01.000000000 = +0100 @@ -1,4 +1,4 @@ -=3Dhead2 Thu Jun 16 11:29:36 2016: C L +=3Dhead2 Thu Jun 16 11:29:34 2016: C L =20 =3Dover 4 --8<---------------cut here---------------end--------------->8--- The problem is described in : --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/TimestampsInManpagesGener= atedByPodMan deterministic: True --8<---------------cut here---------------end--------------->8--- Ludo=E2=80=99.