Resolving dependencies... Error: cabal: Could not resolve dependencies: [__0] trying: systranything-0.1.3.0 (user goal) [__1] next goal: gi-gtk3 (dependency of systranything) [__1] rejecting: gi-gtk3-3.0.44 (conflict: pkg-config package gtk+-3.0-any, not found in the pkg-config database) [__1] fail (backjumping, conflict set: gi-gtk3, systranything) After searching the rest of the dependency tree exhaustively, these were the goals I've had most trouble fulfilling: systranything, gi-gtk3