Resolving dependencies... cabal: Could not resolve dependencies: [__0] next goal: redland (user goal) [__0] rejecting: redland-0.2.0.2 (conflict: pkg-config package redland-any, not found in the pkg-config database) [__0] rejecting: redland-0.2.0.1, redland-0.2.0.0, redland-0.1.0.0 (constraint from user target requires ==0.2.0.2) After searching the rest of the dependency tree exhaustively, these were the goals I've had most trouble fulfilling: redland