Mesa upstream after 52be440f48ac7c337f6604846bb6f0cfd88e7118 requires >=x11-libs/libdrm-2.4.89. Unfortunately no such ebuild exists yet. https://cgit.freedesktop.org/mesa/mesa/commit/configure.ac?id=52be440f48ac7c337f6604846bb6f0cfd88e7118
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=186b8b961d6606591064d99553f1434fea254fe5 commit 186b8b961d6606591064d99553f1434fea254fe5 Author: Matt Turner <mattst88@gentoo.org> AuthorDate: 2018-01-05 18:10:37 +0000 Commit: Matt Turner <mattst88@gentoo.org> CommitDate: 2018-01-05 18:10:58 +0000 media-libs/mesa: Require libdrm-2.4.89 Closes: https://bugs.gentoo.org/643482 media-libs/mesa/mesa-9999.ebuild | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Additionally, it has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=81d300b0339ed621ca3203d1a609c4fba359efb4 commit 81d300b0339ed621ca3203d1a609c4fba359efb4 Author: Matt Turner <mattst88@gentoo.org> AuthorDate: 2018-01-05 18:06:47 +0000 Commit: Matt Turner <mattst88@gentoo.org> CommitDate: 2018-01-05 18:10:58 +0000 x11-libs/libdrm: Version bump to 2.4.89 Bug: https://bugs.gentoo.org/643482 x11-libs/libdrm/Manifest | 1 + x11-libs/libdrm/libdrm-2.4.89.ebuild | 63 ++++++++++++++++++++++++++++++++++++ 2 files changed, 64 insertions(+)}