cabal: cannot configure wxcore-0.12.1.6. It requires containers >=0.2 && <0.4 For the dependency on containers >=0.2 && <0.4 there are these packages: containers-0.2.0.0, containers-0.2.0.1 and containers-0.3.0.0. However none of them are available. containers-0.2.0.0 was excluded because template-haskell-2.5.0.0 requires containers ==0.4.0.0 containers-0.2.0.0 was excluded because hpc-0.5.0.6 requires containers ==0.4.0.0 containers-0.2.0.0 was excluded because ghc-binary-0.5.0.2 requires containers ==0.4.0.0 containers-0.2.0.0 was excluded because containers-0.4.0.0 was selected instead containers-0.2.0.0 was excluded because bin-package-db-0.0.0.0 requires containers ==0.4.0.0 containers-0.2.0.0 was excluded because Cabal-1.10.0.0 requires containers ==0.4.0.0 containers-0.2.0.0 was excluded because ghc-7.0.1 requires containers ==0.4.0.0 containers-0.2.0.1 was excluded because template-haskell-2.5.0.0 requires containers ==0.4.0.0 containers-0.2.0.1 was excluded because hpc-0.5.0.6 requires containers ==0.4.0.0 containers-0.2.0.1 was excluded because ghc-binary-0.5.0.2 requires containers ==0.4.0.0 containers-0.2.0.1 was excluded because containers-0.4.0.0 was selected instead containers-0.2.0.1 was excluded because bin-package-db-0.0.0.0 requires containers ==0.4.0.0 containers-0.2.0.1 was excluded because Cabal-1.10.0.0 requires containers ==0.4.0.0 containers-0.2.0.1 was excluded because ghc-7.0.1 requires containers ==0.4.0.0 containers-0.3.0.0 was excluded because template-haskell-2.5.0.0 requires containers ==0.4.0.0 containers-0.3.0.0 was excluded because hpc-0.5.0.6 requires containers ==0.4.0.0 containers-0.3.0.0 was excluded because ghc-binary-0.5.0.2 requires containers ==0.4.0.0 containers-0.3.0.0 was excluded because containers-0.4.0.0 was selected instead containers-0.3.0.0 was excluded because bin-package-db-0.0.0.0 requires containers ==0.4.0.0 containers-0.3.0.0 was excluded because Cabal-1.10.0.0 requires containers ==0.4.0.0 containers-0.3.0.0 was excluded because ghc-7.0.1 requires containers ==0.4.0.0