Re: [Haskell-cafe] Re: Cabal transitive constraint puzzle

Henning Thielemann via ghc-devs <[email protected]> Thu, 5 Mar 2026 08:44:25 +0100 (CET)

Newsgroups	gmane.comp.lang.haskell.ghc.devel,gmane.comp.lang.haskell.cafe
Message-ID	<[email protected]>

On Thu, 5 Mar 2026, Viktor Dukhovni wrote:

>> On 5 Mar 2026, at 6:21 pm, Henning Thielemann <[email protected]> wrote:
>>
>> The use_crypton flag is declared to be manual. I think this is the problem, it should be automatic.
>
> Yes, that's one of the potential obstacles, but making automatic does not help.
> The solver does not see the conflict, even if `tsl` declares `conflicts: cryptonite`,
> and the flag is automatic.

What is `conflicts: cryptonite`? A Cabal package description field? I do 
not see it in Cabal-3.16 docs.

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