From mboxrd@z Thu Jan  1 00:00:00 1970
From: Kyle Meyer <kyle@kyleam.com>
Subject: bug#33922: failing git-annex build
Date: Sat, 05 Jan 2019 15:12:38 -0500
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References: <87h8evvjr2.fsf@kyleam.com> <87bm53gs9w.fsf@elephly.net>
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To: Timothy Sample <samplet@ngyro.com>, Ricardo Wurmus <rekado@elephly.net>
Cc: 33922@debbugs.gnu.org

Timothy Sample <samplet@ngyro.com> writes:

> Hi,
>
> Ricardo Wurmus <rekado@elephly.net> writes:
>
>> [...]
>>
>> It seems to me that this is a more general problem affecting all of our
>> Haskell packages.  The configure phase that you didn=E2=80=99t paste sho=
uld show
>> that modules are provided by slightly different packages.
>>
>> The haskell-build-system suffers from non-determinism.  It might just be
>> limited to the package database files that are generated by ghc-pkg
>> (where readdir is used and the result isn=E2=80=99t sorted).
>
> This is exactly the problem.  I=E2=80=99ve attached a patch that should f=
ix
> this.  Unfortunately, I kind of rediscovered this from scratch, so for
> the sake of completeness, here=E2=80=99s all the details of what I found.
> [...]

Interesting.  Thanks for taking the time to write up this analysis.