Resolving dependencies... Error: cabal: Could not resolve dependencies: [__0] next goal: minicurl (user goal) [__0] rejecting: minicurl-0 (conflict: pkg-config package libcurl>=7.58.0, not found in the pkg-config database) [__0] fail (backjumping, conflict set: minicurl) After searching the rest of the dependency tree exhaustively, these were the goals I've had most trouble fulfilling: minicurl