{cabal, libX11, xineramaSupport ? true, libXinerama ? null, libXext ? null}: assert xineramaSupport -> (libXinerama != null && libXext != null); cabal.mkDerivation (self : { pname = "X11"; version = "1.4.5"; sha256 = "6665056b9fe5801ca27bf960a90215c940ae70b549753efed0303d5ed8d89ddb"; propagatedBuildInputs = [libX11] ++ (if xineramaSupport then [libXinerama libXext] else []); meta = { description = "A Haskell binding to the X11 graphics library"; }; })