Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: gloss (user goal)
rejecting: gloss-1.9.4.1, 1.9.3.1, 1.9.2.1, 1.9.1.1, 1.8.2.2, 1.8.2.1,
1.8.1.2, 1.8.1.1, 1.8.0.1, 1.7.8.4, 1.7.8.3, 1.7.8.2, 1.7.8.1, 1.7.7.201204.1,
1.7.7.1, 1.7.6.6, 1.7.6.5 (global constraint requires ==1.7.6.4)
trying: gloss-1.7.6.4
next goal: base (dependency of gloss-1.7.6.4)
rejecting: base-4.8.1.0/installed-4f7... (conflict: base =>
ghc-prim==0.4.0.0/installed-af1..., gloss => ghc-prim>=0.2 && <0.4)
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.