[webkit-qt] Error building Webkit 2.3

[lindsay.mathieson at gmail.com]

/usr/share/qt4/mkspecs/modules/qt_phonon.pri:8: Unknown test function: 
!contains
/usr/share/qt4/mkspecs/modules/qt_phonon.pri:8: Unknown test function: 
!contains
make[2]: Leaving directory 
`/data/dev/qtwebkit-23/WebKitBuild/Release/Source/WebCore'
make[1]: Leaving directory `/data/dev/qtwebkit-23/WebKitBuild/Release'


Any thoughts?

Kubuntu 12.10
Qt: 4.8.3
KDE Development Platform: 4.9.1
kde4-config: 1.0