{ mkDerivation, fetchurl }:
mkDerivation rec {
version = "20.0";
sha256 = "12dbay254ivnakwknjn5h55wndb0a0wqx55p156h8hwjhykj2kn0";
prePatch = ''
substituteInPlace configure.in --replace '`sw_vers -productVersion`' '10.10'
'';
}