Resolving dependencies... cabal: Could not resolve dependencies: next goal: cabal-rpm (user goal) rejecting: cabal-rpm-0.10.1, cabal-rpm-0.10.0, cabal-rpm-0.9.11, cabal-rpm-0.9.10, cabal-rpm-0.9.9, cabal-rpm-0.9.8, cabal-rpm-0.9.7, cabal-rpm-0.9.6, cabal-rpm-0.9.5.1, cabal-rpm-0.9.5, cabal-rpm-0.9.4, cabal-rpm-0.9.3, cabal-rpm-0.9.2, cabal-rpm-0.9.1, cabal-rpm-0.9, cabal-rpm-0.8.11, cabal-rpm-0.8.10, cabal-rpm-0.8.9, cabal-rpm-0.8.8, cabal-rpm-0.8.7, cabal-rpm-0.8.6, cabal-rpm-0.8.5, cabal-rpm-0.8.4, cabal-rpm-0.8.3, cabal-rpm-0.8.2, cabal-rpm-0.8.1, cabal-rpm-0.8.0, cabal-rpm-0.7.1, cabal-rpm-0.7.0, cabal-rpm-0.6.6, cabal-rpm-0.6.5, cabal-rpm-0.6.4, cabal-rpm-0.6.3, cabal-rpm-0.6.2, cabal-rpm-0.6.1, cabal-rpm-0.6.0 (constraint from user target requires ==0.5.1) trying: cabal-rpm-0.5.1 trying: base-4.9.0.0/installed-4.9... (dependency of cabal-rpm-0.5.1) next goal: Cabal (dependency of cabal-rpm-0.5.1) rejecting: Cabal-1.24.0.0/installed-1.2..., Cabal-1.24.2.0, Cabal-1.24.0.0, Cabal-1.22.8.0, Cabal-1.22.7.0, Cabal-1.22.6.0, Cabal-1.22.5.0, Cabal-1.22.4.0, Cabal-1.22.3.0, Cabal-1.22.2.0, Cabal-1.22.1.1, Cabal-1.22.1.0, Cabal-1.22.0.0, Cabal-1.20.0.4, Cabal-1.20.0.3, Cabal-1.20.0.2, Cabal-1.20.0.1, Cabal-1.20.0.0, Cabal-1.18.1.7, Cabal-1.18.1.6, Cabal-1.18.1.5, Cabal-1.18.1.4, Cabal-1.18.1.3, Cabal-1.18.1.2, Cabal-1.18.1.1, Cabal-1.18.1, Cabal-1.18.0, Cabal-1.16.0.3, Cabal-1.16.0.2, Cabal-1.16.0.1, Cabal-1.16.0, Cabal-1.14.0, Cabal-1.12.0, Cabal-1.10.2.0, Cabal-1.10.1.0, Cabal-1.10.0.0, Cabal-1.8.0.6, Cabal-1.8.0.4, Cabal-1.8.0.2, Cabal-1.6.0.3, Cabal-1.6.0.2, Cabal-1.6.0.1, Cabal-1.4.0.2, Cabal-1.4.0.1, Cabal-1.4.0.0 (conflict: cabal-rpm => Cabal>=1.2.3.0 && <1.3 || >=1.2.3.0 && <1.3) rejecting: Cabal-1.2.4.0, Cabal-1.2.3.0 (conflict: base==4.9.0.0/installed-4.9..., Cabal => base>=3 && <4.2 || <3) rejecting: Cabal-1.2.2.0, Cabal-1.2.1, Cabal-1.1.6, Cabal-1.24.1.0 (conflict: cabal-rpm => Cabal>=1.2.3.0 && <1.3 || >=1.2.3.0 && <1.3) Dependency tree exhaustively searched.