https://lists.gnu.org/archive/html/info-gnu/2017-06/msg00002.html
commit 0166e95da0988c7efaef6cef1d41a9d7e53057cc (HEAD -> master, origin/master, origin/HEAD) Author: Matthias Maier <tamiko@gentoo.org> Date: Sun Jun 11 12:34:51 2017 -0500 sys-devel/gdb: version bump to 8.0, bug #621088 Package-Manager: Portage-2.3.6, Repoman-2.3.2
The ebuild requires a version of python lower than 3.6. Is gdb really incompatible with python 3.6?