Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: VKHS (user goal)
rejecting: VKHS-0.5.3, 0.5.2, 0.5.1, 0.5.0, 0.3.3, 0.3.2, 0.3.1, 0.3.0, 0.2.0,
0.1.6, 0.1.5, 0.1.4, 0.1.3, 0.1.2, 0.1.1, 0.1.0, 0.0.3 (global constraint
requires ==0.0.2)
trying: VKHS-0.0.2
next goal: base (dependency of VKHS-0.0.2)
rejecting: base-4.7.0.1/installed-e4b... (conflict: VKHS => base==4.5.*)
rejecting: base-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.