{cabal, X11}: cabal.mkDerivation (self : { pname = "HGL"; version = "3.2.0.0"; sha256 = "fa7cb1981f6e5a89b35e0fc2593c0945175a0d97fc3bc356cc8724fa1c881e86"; propagatedBuildInputs = [X11]; configureFlags = ''--constraint=base<4''; meta = { description = "A simple graphics library based on X11 or Win32"; }; })