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bug#36084: ghc-tasty/ghc-clock circular dependency breaking is broken

From: Timothy Sample
Subject: bug#36084: ghc-tasty/ghc-clock circular dependency breaking is broken
Date: Tue, 16 Jul 2019 15:11:00 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux)


Robert Vollmert <address@hidden> writes:

>> On 16. Jul 2019, at 17:08, Timothy Sample <address@hidden> wrote:
>> Hi Robert,
>> After looking at this and your patch at <https://bugs.gnu.org/36249>,
>> I’m wondering if it works as long as we make sure the versions match.
>> Can we just inherit the current “ghc-clock”, disable its tests, and call
>> it “ghc-clock-bootstrap”?  Is the Cabal consistency checking too clever
>> for that?
>> If that doesn’t work, can you explain why the method you proposed above
>> doesn‘t work?  It seems a little simpler than your patch.  In fact,
>> maybe we could live with the main “ghc-tasty” package being built
>> without “ghc-clock” (via the flag you mentioned).
> I tried the direct approach again, and this time it worked. Posted an
> updated patch.
> I believe this should be fine, since GHCs builds should be deterministic.

It looks like this is a common idiom for us, so I’m pretty confident,
too.  Fixed in 71e5d425c9b9e108ebdd06d13de45b56dddd9ef5.  Thanks!

-- Tim

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