cabal: cannot configure haddock-2.9.4. It requires base >=4.3 && <4.5 and ghc >=7.2 && <7.4 For the dependency on base >=4.3 && <4.5 there are these packages: base-4.3.0.0, base-4.3.1.0, base-4.4.0.0 and base-4.4.1.0. However none of them are available. base-4.3.0.0 was excluded because of the top level dependency base -any base-4.3.1.0 was excluded because of the top level dependency base -any base-4.4.0.0 was excluded because of the top level dependency base -any base-4.4.1.0 was excluded because of the top level dependency base -any There is no available version of ghc that satisfies >=7.2 && <7.4