[Haskell-cafe] Cabal install problem

Victor Miller victorsmiller at gmail.com
Sat Nov 5 15:52:44 CET 2011

Lately whenever I try to install a cabal package it fails with the
following error message:

Could not find module `Control.Monad.State':
     Perhaps you haven't installed the profiling libraries for
package `mtl-'?
     Use -v to see a list of the files searched for.

The strange thing is that I can load Control.Monad.State from ghci.
How do I fix this -- i.e. where should I look?

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