>You may have a stale header in KDEDIR.
>rm -f $KDEDIR/include/qvariant.h
>
>Or you might mix wrong versions of kdelibs and Qt. Which versions of both
>are you trying to use ?
>
>-- 
>David FAURE, david@mandrakesoft.com, faure@kde.org
>http://home.clara.net/faure/
>KDE, Making The Future of Computing Available Today
>See http://www.kde.org/kde1-and-kde2.txt for how to set up KDE 2
>
2 days old kdelibs (HEAD branch) and Qt-2.1.0beta2