# cabal v2-build Warning: cannot determine version of /./pkg-config : "" Warning: cannot determine version of /./pkg-config : "" Resolving dependencies... Error: cabal: Could not resolve dependencies: [__0] next goal: CheckExtraProgPath (user goal) [__0] rejecting: CheckExtraProgPath-0.1 (conflict: pkg-config package zlib-any, not found in the pkg-config database) [__0] fail (backjumping, conflict set: CheckExtraProgPath) After searching the rest of the dependency tree exhaustively, these were the goals I've had most trouble fulfilling: CheckExtraProgPath (2)