require cmake 2.6.0 now, like the rest of KDE
require cmake 2.6.0 now, like the rest of KDE

KDE/phonon-gstreamer,KDE/phonon-mmf,KDE/phonon-xine,KDE/phonon-gstreamer,KDE/phonon-waveout,shadeslayer/phonon-gstreamer,KDE/phonon-xine,shadeslayer/phonon-gstreamer,KDE/phonon-quicktime,KDE/phonon-xine,shadeslayer/phonon-gstreamer,KDE/phonon-directshow,KDE/phonon-directshow