When running: emerge --keep-going -uvDN @world
The following output is generated:
These are the packages that would be merged, in order:
Calculating dependencies... done!
emerge: there are no ebuilds to satisfy ">=kde-base/kdelibs-15.08.0:4[aqua=]".
(dependency required by "kde-apps/libkcddb-15.08.0" [ebuild])
(dependency required by "app-cdr/k3b-2.0.3-r2" [installed])
(dependency required by "@selected" [set])
(dependency required by "@world" [argument])
There seems to be a number of packages for plasma 5 in the kde-apps, which causes the problem. The kde mix-ins maybe should mask all apps with a version number higher than 14.90 (and it may be time to plan a plasma mix-in when Gentoo has more plasma 5 related ebuilds).
kde-apps/audiocd-kio-15.08.0.ebuild
kde-apps/dragon-15.08.0.ebuild
kde-apps/ffmpegthumbs-15.08.0.ebuild
kde-apps/juk-15.08.0.ebuild
kde-apps/kdemultimedia-meta-15.08.0.ebuild
kde-apps/kmix-15.08.0.ebuild
kde-apps/kscd-15.08.0.ebuild
kde-apps/libkcddb-15.08.0.ebuild
kde-apps/libkcompactdisc-15.08.0.ebuild
kde-apps/mplayerthumbs-15.08.0.ebuild
kde-apps/kdenlive-15.08.0.ebuild
Temporary fix is to use --backtrack=30 but I don't want to keep on doing with every emerge until KDE4 has been depricated.