qcad doesn't depend on kde-base/kdelibs:3.5 but is inheriting deprecated kde-functions.eclass, this is wrong, migrate to qt3.eclass if needed
+ 31 Dec 2009; Samuli Suominen <ssuominen@gentoo.org> qcad-2.0.5.0.ebuild: + Stop using deprecated kde-functions.eclass. + Changed to qt3.eclass and changed "need-qt 3" line to a real DEPEND in the ebuild, seems to work.