[Haskell-cafe] ghc package problem

Daniel Fischer daniel.is.fischer at web.de
Fri Apr 16 07:36:03 EDT 2010


Am Freitag 16 April 2010 11:28:54 schrieb Phyx:
> Hi all,
>
>
>
> I'm having a rather weird problem,
>
>
>
> Ghc-pkg list shows a package installed but doing a ghc -make will give
> an error saying that It can't find a module that's supposed to be in the
> installed package.
>
>
>
> And cabal install always reinstall all the dependencies on every change.
> It doesn't seem to see that they're already installed.

Can we have more details, please?

As a first idea, you might try

ghc-pkg unregister offending-package
cabal install offending-package


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