[Haskell-cafe] Can't install chp (confused by cabal yet again)

Duncan Coutts duncan.coutts at worc.ox.ac.uk
Mon Sep 14 19:05:08 EDT 2009

On Mon, 2009-09-14 at 12:05 -0700, Michael Steele wrote:
> You got the original error because cabal chose to use base-3 when
> compiling chp, and then identifiers found only in base-4 were
> referenced.
> Download the cabal package, and edit chp.cabal so that it depends on
> base >= 4.

Or as another workaround use:

$ cabal install chp --preference="base >= 4"


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