As of Qt 5.7, revdeps must be build with C++11 or later.
Created attachment 448366 [details] build.log.gz Compressed build log due to size.
commit 26bf76caa565de0d9ca3fe2dadf550d8c27c4e40 Author: Lars Wendler <polynomial-c@gentoo.org> Date: Wed Oct 19 16:27:55 2016 app-crypt/xca: Fixed compilation with >=qt-5.7.0 (bug #595440). Package-Manager: portage-2.3.2 Signed-off-by: Lars Wendler <polynomial-c@gentoo.org>