From http://www.jwz.org/xscreensaver/xscreensaver-5.34.tar.gz
[xscreensaver] / OSX / xscreensaver.xcconfig
2015-10-25 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.34.tar.gz github/master2
2015-07-02 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.33.tar.gz
2014-11-16 Zygo BlaxellFrom jwz.org/xscreensaver/xscreensaver-5.31.tar.gz