sci-libs/ignition-common sci-libs/ignition-fuel-tools sci-libs/ignition-math They should be treecleaned as: - upstream rebranded and changed the name at least two years ago https://github.com/ignitionrobotics/ign-math - the packages were never marked as stable - they are way behind the current release - 3.17.0 vs 5.4.2 (commons) - 4.9.1 vs 9.0.0 (fuel-tools) - 6.15.1 vs 7.3.0 (math) - have many unresolved bugs https://bugs.gentoo.org/buglist.cgi?quicksearch=ignition-&list_id=7223259