Version 3.4 is available upstream. Please consider updating!
It seems that version 3.4 is available upstream, while the latest version in the Gentoo tree is 3.4_rc1. You think this warning is false? Read more about it here.
Libselinux provides an API for SELinux applications to get and set
process and file security contexts and to obtain security policy
decisions. Required for any applications that use the SELinux API.