GNU bug report logs - #43843
git-annex is not Reproducible

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From: Ludovic Courtès <ludo <at> gnu.org>
To: zimoun <zimon.toutoune <at> gmail.com>
Cc: Ricardo Wurmus <rekado <at> elephly.net>, 43843 <at> debbugs.gnu.org
Subject: bug#43843: git-annex is not Reproducible
Date: Tue, 13 Oct 2020 15:05:59 +0200

zimoun <zimon.toutoune <at> gmail.com> skribis:

> On Mon, 12 Oct 2020 at 12:34, Ricardo Wurmus <rekado <at> elephly.net> wrote:
>
>> > Does the parallel build save a lot of time and CPU?  If yes, maybe we
>> > could to provide a transformation for the expert, something like
>> > "haskell-build-system-with-parellel-build" which tweaks
>> > "PARALLEL-BUILD?", similarly to the recent "no tests".  WDYT?
>>
>> We shouldn’t compromise reproducibility for parallel builds.  Ideally we
>> would figure out what exactly causes the differences and fix that
>> instead of disabling parallel builds, but if that turns out to be too
>> difficult I think we should just revert this until we have a good fix.
>>
>> Perhaps something can be done by fixing the order of files somewhere.
>
> My proposal is for the expert and not at the CLI level.  Something
> like "(funky-name ghc-foo)" which returns a new package with
> PARALLEL-BUILD? turned to #t.  And the default should be #f.  WDYT?

You can always build with ‘--cores=1’, which will ensure both the build
and test will run sequentially.

Ludo’.

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