On Dec 29, 2015, at 11:28 AM, Pierre Henri CHAUDOUARD wrote: > I have installed KDE4 with qt4-mac. I would prefer to have a X11 environment. Is it possible to install KDE4 with qt4-x11 ? No, I don't believe we have that feature. It would be a lot more work to support two KDE environments. qt4-x11 contains an obsolete version of the Qt software and should be removed.