Resolving dependencies... cabal: Could not resolve dependencies: next goal: antisplice (user goal) rejecting: antisplice-0.17.1.0, 0.17.0.3, 0.17.0.2, 0.17.0.0, 0.16.0.1, 0.15.0.1, 0.14.0.3, 0.14.0.0, 0.13.2.2, 0.13.2.0, 0.13.1.0, 0.13.0.1, 0.12.3.0, 0.12.1.0, 0.12.0.0, 0.11.0.4, 0.11.0.3 (global constraint requires ==0.8.0.1) trying: antisplice-0.8.0.1 next goal: base (dependency of antisplice-0.8.0.1) rejecting: base-4.8.1.0/installed-4f7... (conflict: antisplice => base>=4.6 && <4.7) 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.