use examples && local EXAMPLES=( examples/. ) should be replaced by: if use examples; then insinto "/usr/share/doc/${PF}" docompress -x "/usr/share/doc/${PF}/examples" doins -r examples fi
https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=66b2ab8f5f64ca3e7a4835477620c25d736d6bad