Resolving dependencies... Error: cabal: Could not resolve dependencies: [__0] next goal: cairo-image (user goal) [__0] rejecting: cairo-image-0.1.0.5 (conflict: pkg-config package cairo-any, not found in the pkg-config database) [__0] rejecting: cairo-image-0.1.0.4, cairo-image-0.1.0.3, cairo-image-0.1.0.2, cairo-image-0.1.0.1, cairo-image-0.1.0.0 (constraint from user target requires ==0.1.0.5) [__0] fail (backjumping, conflict set: cairo-image) After searching the rest of the dependency tree exhaustively, these were the goals I've had most trouble fulfilling: cairo-image