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bug#27563: [PATCH v3 0/2] Make ghostscript reproducible.


From: Ludovic Courtès
Subject: bug#27563: [PATCH v3 0/2] Make ghostscript reproducible.
Date: Fri, 07 Jul 2017 19:51:10 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux)

Danny Milosavljevic <address@hidden> skribis:

> On Fri, 07 Jul 2017 17:18:15 +0200
> address@hidden (Ludovic Courtès) wrote:
>
>> OK, makes sense.  Maybe we can still have it disabled (or enabled) by
>> environment variable
>
> Sure.  Any suggestions for the name of the environment variable?

For CreationDate/ModDate, I think it should honor SOURCE_DATE_EPOCH as
in
<https://anonscm.debian.org/git/printing/ghostscript.git/tree/debian/patches/2010_add_build_timestamp_setting.patch?id=e2bf3ad7026afe13636d4937430c3fdae7854078>.

For the two UUIDs (and “ID” too?), maybe we can use, say,
GS_GENERATE_UUIDS; if set to 0 or “no” it’s disable, otherwise it’s
enabled.

> Also, where would we set it so the build processes of all the other
> packages actually pick it up?

Eventually we can add it to gnu-build-system.scm, but for now, given
that core-updates is well built, we should add it on a case-by-case
basis.  I don’t think there are that many packages that produce PDFs,
but I could be wrong.

How does that sound?

Thank you,
Ludo’.





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