Wine was ported to v4l2 in 4.6 and the configure option --with-v4l was consequently moved to --with-v4l2.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/proj/wine.git/commit/?id=fc4ecad5ad8fc4471c081216e90ec138de5051c2 commit fc4ecad5ad8fc4471c081216e90ec138de5051c2 Author: Nick Sarnie <sarnex@gentoo.org> AuthorDate: 2019-06-17 22:28:28 +0000 Commit: Nick Sarnie <sarnex@gentoo.org> CommitDate: 2019-06-17 22:28:39 +0000 app-emulation/wine-staging: Fix v4l useflag Fixes: https://bugs.gentoo.org/688206 Package-Manager: Portage-2.3.67, Repoman-2.3.14 Signed-off-by: Nick Sarnie <sarnex@gentoo.org> app-emulation/wine-staging/wine-staging-4.10.ebuild | 2 +- app-emulation/wine-staging/wine-staging-9999.ebuild | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) Additionally, it has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/proj/wine.git/commit/?id=95c0b8d1bd0086aa38e5abc2ee09709f15533f37 commit 95c0b8d1bd0086aa38e5abc2ee09709f15533f37 Author: Nick Sarnie <sarnex@gentoo.org> AuthorDate: 2019-06-17 22:36:32 +0000 Commit: Nick Sarnie <sarnex@gentoo.org> CommitDate: 2019-06-17 22:36:46 +0000 app-emulation/wine-vanilla: Fix v4l useflag Bug: https://bugs.gentoo.org/688206 Package-Manager: Portage-2.3.67, Repoman-2.3.14 Signed-off-by: Nick Sarnie <sarnex@gentoo.org> app-emulation/wine-vanilla/wine-vanilla-4.10.ebuild | 2 +- app-emulation/wine-vanilla/wine-vanilla-9999.ebuild | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)