Actually there's four: `base`, `ghc`, `template-haskell`, `ghc-prim`. Everything else is fair game, although you may need to be explicit about it because cabal will prefer the installed version.

On Sun, Sep 17, 2023 at 2:19 PM Joachim Breitner <mail@joachim-breitner.de> wrote:

Hi,

Am Samstag, dem 16.09.2023 um 19:12 +0100 schrieb Tomas Janousek:
> Or can you ask cabal to just pull it and build it?

you can! As long as you don’t depend on the “ghc” library (which is the
only library cabal cannot just rebuild, AFAIK).

Cheers,
Joachim

--
Joachim Breitner
mail@joachim-breitner.de
http://www.joachim-breitner.de/

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