The current kdesdk-kioslaves-4.4.0 ebuild contains RDEPEND="${DEPEND} !kdeprefix? ( subversion? ( !dev-util/kdesvn:4 ) ) " However, this is too strict, since the newest kdesvn version takes care not to install any conflicting files. Please change the RDEPEND to read RDEPEND="${DEPEND} !kdeprefix? ( subversion? ( !<dev-util/kdesvn-1.5.1 ) ) " Tested and works fine here.
Fixed in Portage, overlay remains broken so leaving open... + 25 Feb 2010; Samuli Suominen <ssuominen@gentoo.org> + kdesdk-kioslaves-4.3.5.ebuild, kdesdk-kioslaves-4.4.0.ebuild: + Fix kdesvn blockers wrt #306467, thanks to Andreas K. Huettel for + reporting.
I solved the following issue by removing the "subversion" use flag. [ebuild N ] dev-util/kdesvn-1.5.2-r1 USE="handbook (-aqua) -debug (-kdeenablefinal)" LINGUAS="-de -es -fr -ja -lt -nl -pt_BR -ro -ru" [blocks B ] >=kde-base/kdesdk-kioslaves-4.3.5[-kdeprefix,subversion] (">=kde-base/kdesdk-kioslaves-4.3.5[-kdeprefix,subversion]" is blocking dev-util/kdesvn-1.5.2-r1) [blocks B ] >=dev-util/kdesvn-1.5.2:4 (">=dev-util/kdesvn-1.5.2:4" is blocking kde-base/kdesdk-kioslaves-4.4.0) * Error: The above package list contains packages which cannot be * installed at the same time on the same system. ('installed', '/', 'kde-base/kdesdk-kioslaves-4.4.0', 'nomerge') pulled in by kde-base/kdesdk-kioslaves required by world ('ebuild', '/', 'dev-util/kdesvn-1.5.2-r1', 'merge') pulled in by kdesvn
This has been fixed in both portage and overlay now. The blocker should be there, since the kioslave & servicefiles from kdesvn are preferred.