This seems to be similar to https://bugs.gentoo.org/647774. But I do not have semantic-desktop in /etc/make.conf nor it is activated for dolphin, gwenview, kdenlive or digikam. But it seems now to be required by plasma-workspace: root@lynxold:/root(10)# equery h semantic-desktop * Searching for USE flag semantic-desktop ... [IP-] [ ] kde-apps/dolphin-18.04.0:5 [IP-] [ ] kde-apps/gwenview-18.04.0:5 [IP-] [ ] kde-apps/kdenlive-18.04.0-r1:5 [IP-] [ ] kde-plasma/plasma-workspace-5.12.4-r1:5 [IP-] [ ] media-gfx/digikam-5.9.0:5 root@lynxold:/root(11)# emerge -pv1 dolphin gwenview kdenlive digikam plasma-workspace These are the packages that would be merged, in order: Calculating dependencies... done! [ebuild R ] kde-apps/dolphin-18.04.0:5::gentoo USE="handbook -debug -semantic-desktop {-test} -thumbnail" 0 KiB [ebuild R ] kde-plasma/plasma-workspace-5.12.4-r1:5::gentoo USE="calendar geolocation handbook semantic-desktop systemd -appstream -debug -gps -prison -qalculate {-test}" 0 KiB [ebuild R ] kde-apps/gwenview-18.04.0:5::gentoo USE="X fits handbook raw -debug -kipi -semantic-desktop {-test}" 0 KiB [ebuild R ] kde-apps/kdenlive-18.04.0-r1:5::gentoo USE="handbook v4l -debug -freesound (-gles2) -jogshuttle -semantic-desktop" 0 KiB [ebuild R ] media-gfx/digikam-5.9.0:5::gentoo USE="X gphoto2 handbook jpeg2k kipi lensfun mysql opengl openmp panorama -addressbook -calendar -debug -marble -mediaplayer -scanner -semantic-desktop {-test}" 0 KiB Total: 5 packages (5 reinstalls), Size of downloads: 0 KiB root@lynxold:/root(5)# grep "^[^#].*semantic-desktop" /etc/make.conf root@lynxold:/root(6)#
I'm not sure where you see plasma-workspace pulling in baloo here. `equery d baloo` if you want to know where it is coming from, it is certainly not installed on my system. *** This bug has been marked as a duplicate of bug 647774 ***