configure:29184: checking for KDE configure: 29237: /usr/include/ksharedptr.h configure: 29237: /usr/lib/kde/include/ksharedptr.h configure: 29237: /usr/local/kde/include/ksharedptr.h configure: 29237: /usr/local/include/ksharedptr.h configure: 29237: /usr/kde/include/ksharedptr.h configure: 29237: /usr/include/kde/ksharedptr.h configure: 29237: /usr/include/ksharedptr.h configure: 29237: /opt/kde3/include/ksharedptr.h configure: 29237: /opt/kde/include/ksharedptr.h configure: 29237: ./ksharedptr.h configure: 29237: /usr/qt/3/include/ksharedptr.h configure:29251: error: in the prefix, you've chosen, are no KDE headers installed. This will fail. So, check this please and use another prefix!