GNU bug report logs - #48661
reproducibility: build date in modus-themes.info

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Package: emacs;

Reported by: Glenn Morris <rgm <at> gnu.org>

Date: Tue, 25 May 2021 21:51:02 UTC

Severity: minor

Found in version 28.0.50

Done: Protesilaos Stavrou <info <at> protesilaos.com>

Bug is archived. No further changes may be made.

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Message #14 received at 48661 <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Kévin Le Gouguec <kevin.legouguec <at> gmail.com>
Cc: Glenn Morris <rgm <at> gnu.org>, info <at> protesilaos.com, 48661 <at> debbugs.gnu.org
Subject: Re: bug#48661: reproducibility: build date in modus-themes.info
Date: Wed, 26 May 2021 12:40:11 +0200

On Mai 26 2021, Kévin Le Gouguec wrote:

> Question from the peanut gallery: are timestamp information really
> verboten in reproducible builds?  I was led to believe that the
> SOURCE_DATE_EPOCH mechanism was introduced to allow programs to keep
> embedding this information, while giving packagers the means to assert
> reproducibility.

That requires support for SOURCE_DATE_EPOCH in each place a timestamp is
generated.  For example, gcc does that for __DATE__ and __TIME__.  If
org wants to keep the timestamp it should add support for
SOURCE_DATE_EPOCH.

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."
This bug report was last modified 3 years and 362 days ago.

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