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, 17 Jun 2016 10:11:21 +0200 Message-ID: <877fdoxmja.fsf@gnu.org> References: <87fusdgyg5.fsf@gnu.org> <20160616153927.GB2245@jasmine> 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]:43273) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bDosn-0004hi-JB for bug-guix@gnu.org; Fri, 17 Jun 2016 04:12:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bDosk-00058e-B5 for bug-guix@gnu.org; Fri, 17 Jun 2016 04:12:05 -0400 Received: from debbugs.gnu.org ([208.118.235.43]:59721) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bDosk-00058U-7i for bug-guix@gnu.org; Fri, 17 Jun 2016 04:12:02 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1bDosk-0004ac-49 for bug-guix@gnu.org; Fri, 17 Jun 2016 04:12:02 -0400 Sender: "Debbugs-submit" Resent-Message-ID: In-Reply-To: <20160616153927.GB2245@jasmine> (Leo Famulari's message of "Thu, 16 Jun 2016 11:39:27 -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: Leo Famulari Cc: 23776@debbugs.gnu.org Leo Famulari skribis: > 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/TimestampsInManpagesGe= neratedByPodMan > > 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. Thanks, Ludo=E2=80=99.