From debbugs-submit-bounces@debbugs.gnu.org Sun Nov 15 06:06:10 2020 Received: (at 44559) by debbugs.gnu.org; 15 Nov 2020 11:06:10 +0000 Received: from localhost ([127.0.0.1]:52608 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1keFrG-0005Rr-6y for submit@debbugs.gnu.org; Sun, 15 Nov 2020 06:06:10 -0500 Received: from eggs.gnu.org ([209.51.188.92]:52342) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1keFrD-0005Rc-Sy for 44559@debbugs.gnu.org; Sun, 15 Nov 2020 06:06:08 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]:41579) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1keFr8-00062X-8P; Sun, 15 Nov 2020 06:06:02 -0500 Received: from [2a01:e0a:1d:7270:af76:b9b:ca24:c465] (port=42214 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1keFqt-000162-MA; Sun, 15 Nov 2020 06:05:58 -0500 From: =?utf-8?Q?Ludovic_Court=C3=A8s?= To: Marius Bakke Subject: Re: bug#44559: gnutls 3.6.12 fails to build: FAIL: status-request-revoked References: <87d00los2d.fsf@cbaines.net> <87v9eaffpa.fsf@gnu.org> <87zh3mb7fr.fsf@gnu.org> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 25 Brumaire an 229 de la =?utf-8?Q?R=C3=A9volution?= X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Sun, 15 Nov 2020 12:05:43 +0100 In-Reply-To: <87zh3mb7fr.fsf@gnu.org> (Marius Bakke's message of "Thu, 12 Nov 2020 22:18:16 +0100") Message-ID: <87zh3iani0.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 44559 Cc: 44559@debbugs.gnu.org, Christopher Baines X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) Hi, Marius Bakke skribis: > Ludovic Court=C3=A8s writes: > >> The question for us becomes how to ensure long-term reproducibility in >> the presence of such bugs. >> >> In this case, I think the only solution would be to change the system >> clock when one rebuilds GnuTLS (or to use =E2=80=98--without-tests=3Dgnu= tls=E2=80=99, but >> you end up with different derivations, which is not necessarily >> desirable). >> >> Thoughts? > > There is a related bug report here: > > https://issues.guix.gnu.org/39310 > > Perhaps we could make a "--with-system-clock" option for 'guix build' > that instructs the daemon to fake the system time? How would it fake it though? There are time_namespaces(7), but it=E2=80=99s only for CLOCK_MONOTONIC and CLOCK_BOOTTIME. LD_PRELOAD like =E2=80=98datefudge=E2=80=99 does is probably not a viable o= ption. Ludo=E2=80=99.