Current distcc ebuild lacks Python 3.7 support, as for Python 3.8 there's known issue https://github.com/distcc/distcc/issues/370
https://github.com/gentoo/gentoo/pull/14259
commit ec8c2601c4a39300baedced2d2ef912b93eab523 Author: Rick Farina <zerochaos@gentoo.org> AuthorDate: 2020-03-18 20:43:09 +0100 Commit: Rick Farina <zerochaos@gentoo.org> CommitDate: 2020-03-18 20:43:18 +0100 sys-devel/distcc: python3_7 Package-Manager: Portage-2.3.94, Repoman-2.3.21 Signed-off-by: Rick Farina <zerochaos@gentoo.org> I have also fixed tests, and will add 3.8+3.9 in a minute.