Gentoo Packages

sys-apps/world: install <pkg>app-portage/layman</pkg> to handle overlays, not using overlays is generally not supported
x11-apps/igt-gpu-tools: Build the intel-gpu-overlay utility

Warning: USE flag 'overlay' is used in ebuilds/metadata but is not defined in profiles/use.desc

Package	Local Description (use.local.desc)	Metadata Description (metadata.xml)
sys-apps/world	-	install <pkg>app-portage/layman</pkg> to handle overlays, not using overlays is generally not supported
x11-apps/igt-gpu-tools	Build the intel-gpu-overlay utility	Build the intel-gpu-overlay utility

USE Flag: overlay