{ mkDerivation }: mkDerivation { version = "20.3.8.9"; sha256 = "0v2iiyzss8hiih98wvj0gi2qzdmmhh7bvc9p025wlfm4k7r1109a"; prePatch = '' substituteInPlace configure.in --replace '`sw_vers -productVersion`' "''${MACOSX_DEPLOYMENT_TARGET:-10.12}" ''; }