x11-libs/libva is slotted so the dependency should include a slot operator.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=4404a6dab80b61ab4d99c1cb132884a9e3dbcb07 commit 4404a6dab80b61ab4d99c1cb132884a9e3dbcb07 Author: Andreas Sturmlechner <asturm@gentoo.org> AuthorDate: 2018-01-09 16:57:39 +0000 Commit: Andreas Sturmlechner <asturm@gentoo.org> CommitDate: 2018-01-09 17:29:21 +0000 media-video/avidemux: 2.7.0 version bump Add x11-libs/libva slot operator. Closes: https://bugs.gentoo.org/549818 Closes: https://bugs.gentoo.org/641636 Package-Manager: Portage-2.3.19, Repoman-2.3.6 media-video/avidemux/Manifest | 1 + media-video/avidemux/avidemux-2.6.20-r1.ebuild | 2 +- media-video/avidemux/avidemux-2.7.0.ebuild | 173 +++++++++++++++++++++++++ media-video/avidemux/avidemux-9999.ebuild | 30 +++-- 4 files changed, 192 insertions(+), 14 deletions(-) https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=c253f112ec169460f0f7a9c51becedbe3bfdc0f0 commit c253f112ec169460f0f7a9c51becedbe3bfdc0f0 Author: Andreas Sturmlechner <asturm@gentoo.org> AuthorDate: 2018-01-09 16:36:00 +0000 Commit: Andreas Sturmlechner <asturm@gentoo.org> CommitDate: 2018-01-09 17:28:57 +0000 media-libs/avidemux-core: 2.7.0 version bump Add x11-libs/libva slot operator. Closes: https://bugs.gentoo.org/641636 Package-Manager: Portage-2.3.19, Repoman-2.3.6 media-libs/avidemux-core/Manifest | 1 + .../avidemux-core/avidemux-core-2.7.0.ebuild | 98 ++++++++++++++++++++++ media-libs/avidemux-core/avidemux-core-9999.ebuild | 4 +- 3 files changed, 101 insertions(+), 2 deletions(-)