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From: ludo@gnu.org (Ludovic Courtès)
To: 20272@debbugs.gnu.org
Subject: bug#20272: Support reproducible builds
Date: Tue, 07 Apr 2015 13:48:16 +0200	[thread overview]
Message-ID: <87twws88hr.fsf@gnu.org> (raw)

Currently .go files embed randomly-generated symbols stemming from
‘syntax-session-id’, which prevents reproducible builds (see
<https://lists.gnu.org/archive/html/guix-devel/2013-09/msg00159.html>.)

One way to fix it would be to allow users to specify a random seed used
when generating session ids, and to make that available as a
command-line option to ‘guild compile’.  (GCC does something similar
with its ‘-frandom-seed’ option.)

Probably, ‘syntax-session-id’ would have to be a SRFI-39 parameter and
we would need a ‘fresh-syntax-session-id’ procedure that would take a
seed as a parameter.  In turn, ‘fresh_syntax_session_id’ would need to
take that extra argument, and it would need to be changed to not read
directly from /dev/urandom.

WDYT?

Ludo’.





             reply	other threads:[~2015-04-07 11:48 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-07 11:48 Ludovic Courtès [this message]
2016-02-04  2:41 ` bug#20272: Support reproducible builds Mark H Weaver
2016-02-04  9:35   ` Ludovic Courtès
2016-06-20 15:46   ` Andy Wingo
2016-02-11  7:09 ` Mark H Weaver
2016-02-12 16:29   ` Mark H Weaver
2016-06-20 15:48     ` Andy Wingo
2016-06-23 19:22       ` Andy Wingo
2016-11-03  6:54 ` Jan Nieuwenhuizen
2016-11-14 21:44   ` Jan Nieuwenhuizen
2016-12-14 16:25     ` Ludovic Courtès
2016-12-14 23:32       ` Ludovic Courtès
2016-12-14 23:42         ` Ludovic Courtès
2016-12-20 23:00           ` Ludovic Courtès
2016-12-21 23:53             ` Ludovic Courtès
2016-12-30 21:00               ` Ludovic Courtès
2017-03-07 19:55                 ` Ludovic Courtès
2017-02-28 13:26               ` Andy Wingo
2017-03-05 20:49                 ` Ludovic Courtès
2017-03-06 20:13                   ` Andy Wingo
2020-06-01 20:45 ` Andreas Rammhold
2020-06-02 12:25 ` Andreas Rammhold
     [not found] ` <87o8lcu1v8.fsf@gmail.com>
2020-11-24  4:44   ` Vagrant Cascadian
2023-11-17 20:28 ` Bernhard M. Wiedemann

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