Resolving dependencies... cabal: Could not resolve dependencies: next goal: cabal-rpm (user goal) rejecting: cabal-rpm-0.9.6, 0.9.5.1, 0.9.5, 0.9.4, 0.9.3, 0.9.2, 0.9.1, 0.9, 0.8.11, 0.8.10, 0.8.9, 0.8.8, 0.8.7, 0.8.6, 0.8.5, 0.8.4, 0.8.3, 0.8.2, 0.8.1, 0.8.0, 0.7.1, 0.7.0, 0.6.6, 0.6.5, 0.6.4, 0.6.3, 0.6.2, 0.6.1, 0.6.0 (global constraint requires ==0.5.1) trying: cabal-rpm-0.5.1 trying: Cabal-1.18.1.3/installed-715... (dependency of cabal-rpm-0.5.1) rejecting: cabal-rpm-0.5.1:+splitbase (conflict: Cabal==1.18.1.3/installed-715..., cabal-rpm-0.5.1:splitbase => Cabal>=1.2.3.0 && <1.3) rejecting: cabal-rpm-0.5.1:-splitbase (conflict: Cabal==1.18.1.3/installed-715..., cabal-rpm-0.5.1:splitbase => Cabal>=1.2.3.0 && <1.3) Backjump limit reached (change with --max-backjumps).