Resolving dependencies... cabal: Could not resolve dependencies: next goal: accelerate-examples (user goal) rejecting: accelerate-examples-0.15.0.0, 0.14.0.0 (global constraint requires ==0.13.0.0) trying: accelerate-examples-0.13.0.0 trying: base-4.8.1.0/installed-4f7... (dependency of accelerate-examples-0.13.0.0) next goal: repa-io (dependency of accelerate-examples-0.13.0.0) rejecting: repa-io-3.4.0.1, 3.3.1.2, 3.3.1.1 (conflict: accelerate-examples => repa-io>=3.1 && <3.3) rejecting: repa-io-3.2.5.1 (conflict: base==4.8.1.0/installed-4f7..., repa-io => base==4.7.*) rejecting: repa-io-3.2.3.2, 3.2.3.1 (conflict: base==4.8.1.0/installed-4f7..., repa-io => base==4.6.*) rejecting: repa-io-3.2.2.201204.1 (conflict: base==4.8.1.0/installed-4f7..., repa-io => base==4.5.*) rejecting: repa-io-3.2.2.3, 3.2.2.1 (conflict: base==4.8.1.0/installed-4f7..., repa-io => base==4.6.*) rejecting: repa-io-3.2.1.1, 3.1.3.1, 3.1.0.1 (conflict: base==4.8.1.0/installed-4f7..., repa-io => base==4.5.*) rejecting: repa-io-3.0.0.1, 2.2.0.1, 2.1.0.1, 2.0.1.1, 2.0.0.3, 2.0.0.2, 2.0.0.1, 1.1.0.0 (conflict: accelerate-examples => repa-io>=3.1 && <3.3) Dependency tree exhaustively searched.