This is an auto-filled bug because this package fails to compile.
Created attachment 476012 [details] smplayer-16.11.0:20170611-103348.log build log
Created attachment 476014 [details] emerge --info emerge --info
Thanks, fixed in git. https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=e9fe49db5a559a407f146583f9f6fda2a389d3eb