The sys-devel/bison-3.7.6 & sys-devel/bison-3.8.2 ebuilds have License: GPL-2 Those versions of bc are licensed under the GPL-3+: https://www.gnu.org/software/bison/#Licensing
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=3b32672bbba5816d31ab02eb1d91cb603d2d3030 commit 3b32672bbba5816d31ab02eb1d91cb603d2d3030 Author: Sam James <sam@gentoo.org> AuthorDate: 2022-07-28 06:36:00 +0000 Commit: Sam James <sam@gentoo.org> CommitDate: 2022-07-28 06:36:00 +0000 sys-devel/bison: fix LICENSE Closes: https://bugs.gentoo.org/861185 Signed-off-by: Sam James <sam@gentoo.org> sys-devel/bison/bison-3.7.6.ebuild | 4 ++-- sys-devel/bison/bison-3.8.2.ebuild | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-)