Created attachment 412854 [details, diff] kdepim-common-libs.patch kdepim-common-libs contains a blocker against kmail, the blocker should be relaxed only against for kmail:4 to avoid problems with kmail:3.5 proposed patch is here attached
Fixed in: https://github.com/gentoo/gentoo/commit/66c092ed416d05b90076508cad7092bb86c594e9