As of today, Calculate Linux is transitioning from Gentoo 17.1 to 23.0 profile. The update will be available first in the test repositories. Updating from binary packages should not be difficult, just run cl-update or use the graphical update utility. The revision will downgrade sys-devel/binutils, sys-devel/gcc, sys-libs/glibc, dev-build/libtool for mandatory rebuilds.
If you are not using binary packages, you should perform the upgrade as follows:
Update the portages by running: cl-update --sync-only
Make sure you are already using the new profile. This can be done by executing: source /var/db/repos/calculate/scripts/ini.sh; ini_repo_dirs. The Calculate profile must reference Gentoo 23.0.
Perform the upgrade in the following sequence: emerge -1 --nodeps sys-devel/binutils; emerge -1 --nodeps sys-devel/gcc; emerge -1 --nodeps sys-libs/glibc; emerge -1 --nodeps dev-build/libtool; cl-update
You can read more about migrating to the Gentoo 23.0 profile here.
Yes, for your own purposes, use whatever you want. But for tasks related to (global) system updates, it is better to use the tools on which it is based.
PS: But I think this topic is news - not a flood. All.