On Sun, Dec 15, 2019 at 07:01:15PM +0100, Thomas Schweikle wrote: > The current version of portage supports EAPI '6'. You must upgrade to a > newer version of portage before EAPI masked packages can be installed.
The message is pretty clear. You need to upgrade portage first. Try `emerge -1 portage`. This should take care of the EAPI message. Good luck with the 17.1 profile migration. Though if the system is not amd64, you should have nothing to worry about.
