Please see https://bugs.launchpad.net/ubuntu/+source/qt4-x11/+bug/490371/comments/6 - I 'm not sure if it relevant or not, but it sounds like upstream has some concerns.
Please see https:/ /bugs.launchpad .net/ubuntu/ +source/ qt4-x11/ +bug/490371/ comments/ 6 - I 'm not sure if it relevant or not, but it sounds like upstream has some concerns.