[[!comment format=mdwn username="https://www.google.com/accounts/o8/id?id=AItOawl7dGdYtCHb7xleEOp6n8yaUQ4UtaiAEEs" nickname="Henning" subject="libxml-sax Error on OS X fresh install" date="2013-07-27T13:11:23Z" content=""" I had - maybe the same problem as Nigel - with ExitFailure 1 libxml-sax-0.7.4 . I could fix this by forcing the link of libxml2 package with \"brew link libxml2 --force\". Maybe you should update your guide. I had this problem on 2 different machines running both the current versions of OS X. After this the build finished successfull. Maybe this helps. """]]