Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: xhaskell-library (user goal)
rejecting: xhaskell-library-0.0.6, 0.0.5 (global constraint requires ==0.0.4)
trying: xhaskell-library-0.0.4
trying: base-4.8.1.0/installed-4f7... (dependency of xhaskell-library-0.0.4)
rejecting: xhaskell-library-0.0.4:+base4 (conflict:
base==4.8.1.0/installed-4f7..., xhaskell-library-0.0.4:base4 => base>=4.0 &&
<=4.1)
rejecting: xhaskell-library-0.0.4:-base4 (conflict:
base==4.8.1.0/installed-4f7..., xhaskell-library-0.0.4:base4 => base<4.0 &&
>=3.0)
Dependency tree exhaustively searched.