Gentoo Packages

Warning: USE flag 'v4l2' is used in ebuilds/metadata but is not defined in profiles/use.desc
Warning: USE flag 'v4l2' used by media-libs/libcamera but has no description in metadata.xml, use.local.desc or use.desc

Package	Local Description (use.local.desc)	Metadata Description (metadata.xml)
media-libs/libcamera	-	-
net-libs/pjproject	Include Video4Linux v2 support in the build	Include Video4Linux v2 support in the build
games-emulation/RetroArch	Video4linux2 support	Video4linux2 support

USE Flag: v4l2