Resolving dependencies... cabal: Could not resolve dependencies: next goal: casadi-bindings (user goal) rejecting: casadi-bindings-3.0.0.5 (conflict: requires pkg-config package casadi-any, not found in the pkg-config database) rejecting: casadi-bindings-3.0.0.4, casadi-bindings-3.0.0.3, casadi-bindings-3.0.0.2, casadi-bindings-3.0.0.1, casadi-bindings-3.0.0.0, casadi-bindings-2.4.1.9, casadi-bindings-2.4.1.8, casadi-bindings-2.4.1.7, casadi-bindings-2.4.1.6, casadi-bindings-2.4.1.5, casadi-bindings-2.4.1.4, casadi-bindings-2.4.1.3, casadi-bindings-2.4.1.2, casadi-bindings-2.4.1.1, casadi-bindings-2.4.1.0, casadi-bindings-2.3.0.1, casadi-bindings-2.3.0.0, casadi-bindings-2.2.0.8, casadi-bindings-2.2.0.7, casadi-bindings-2.2.0.6, casadi-bindings-2.2.0.5, casadi-bindings-2.2.0.4, casadi-bindings-2.2.0.3, casadi-bindings-2.2.0.2, casadi-bindings-2.2.0.1, casadi-bindings-2.2.0.0, casadi-bindings-2.1.3.2, casadi-bindings-2.1.3.1, casadi-bindings-2.1.3.0, casadi-bindings-2.1.0.1, casadi-bindings-2.1.0.0, casadi-bindings-2.0.0.1, casadi-bindings-2.0.0, casadi-bindings-1.9.0.5, casadi-bindings-1.9.0.4, casadi-bindings-1.9.0.3, casadi-bindings-1.9.0.2, casadi-bindings-1.9.0.1, casadi-bindings-1.9.0.0, casadi-bindings-1.8.2.1, casadi-bindings-1.8.0.0 (constraint from user target requires ==3.0.0.5) Dependency tree exhaustively searched.