{ mkDerivation }:
mkDerivation rec {
version = "21.1.1";
sha256 = "1kgny4nvw40d93jn5f4y5bcfhdlshg79n2w7lr0xj35kgwkyci39";
prePatch = ''
substituteInPlace configure.in --replace '`sw_vers -productVersion`' '10.10'
'';
}