These are all bitmapped fonts, and as such not copyrightable. The Makefile says: "Kau Chauo Chinese Fanti Ming Fonts Version 1.05 For FreeBSD". Disclaimer: IANAL, TINLA.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=067fd0f0b9b34335a720384ca40bbfc16476bfc8 commit 067fd0f0b9b34335a720384ca40bbfc16476bfc8 Author: Ulrich Müller <ulm@gentoo.org> AuthorDate: 2019-12-24 14:57:54 +0000 Commit: Ulrich Müller <ulm@gentoo.org> CommitDate: 2019-12-24 14:59:14 +0000 media-fonts/zh-kcfonts: Fix LICENSE. Closes: https://bugs.gentoo.org/702948 Package-Manager: Portage-2.3.83, Repoman-2.3.20 Signed-off-by: Ulrich Müller <ulm@gentoo.org> media-fonts/zh-kcfonts/zh-kcfonts-1.05-r3.ebuild | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)