Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: monomorphic (user goal)
rejecting: monomorphic-0.0.3.3, 0.0.3.2, 0.0.3.1, 0.0.3.0, 0.0.2.0, 0.0.1.2,
0.0.1.1 (global constraint requires ==0.0.1.0)
trying: monomorphic-0.0.1.0
next goal: base (dependency of monomorphic-0.0.1.0)
rejecting: base-4.8.1.0/installed-4f7... (conflict: monomorphic =>
base==4.5.*)
rejecting: base-4.8.1.0, 4.8.0.0, 4.7.0.2, 4.7.0.1, 4.7.0.0, 4.6.0.1, 4.6.0.0,
4.5.1.0, 4.5.0.0, 4.4.1.0, 4.4.0.0, 4.3.1.0, 4.3.0.0, 4.2.0.2, 4.2.0.1,
4.2.0.0, 4.1.0.0, 4.0.0.0, 3.0.3.2, 3.0.3.1 (global constraint requires
installed instance)
Dependency tree exhaustively searched.