Gentoo Packages

Warning: USE flag 'threads' used by media-libs/libheif but has no description in metadata.xml, use.local.desc or use.desc
Warning: USE flag 'threads' used by media-libs/libsdl2 but has no description in metadata.xml, use.local.desc or use.desc
Warning: USE flag 'threads' used by media-libs/openexr but has no description in metadata.xml, use.local.desc or use.desc
Warning: USE flag 'threads' used by net-misc/ntp 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/libheif	-	-
media-libs/libsdl2	-	-
media-libs/openexr	-	-
net-misc/ntp	-	-

USE Flag: threads