Resolving dependencies... Error: cabal: Could not resolve dependencies: [__0] trying: gi-javascriptcore-6.0.5 (user goal) [__1] next goal: gi-javascriptcore6 (dependency of gi-javascriptcore) [__1] rejecting: gi-javascriptcore6-6.0.5 (conflict: pkg-config package javascriptcoregtk-6.0-any, not found in the pkg-config database) [__1] fail (backjumping, conflict set: gi-javascriptcore, gi-javascriptcore6) After searching the rest of the dependency tree exhaustively, these were the goals I've had most trouble fulfilling: gi-javascriptcore, gi-javascriptcore6