Gentoo Packages

Warning: USE flag 'png' used by media-gfx/imagemagick but has no description in metadata.xml, use.local.desc or use.desc
Warning: USE flag 'png' used by media-libs/opencv but has no description in metadata.xml, use.local.desc or use.desc
Warning: USE flag 'png' used by sci-libs/dlib but has no description in metadata.xml, use.local.desc or use.desc

Package	Local Description (use.local.desc)	Metadata Description (metadata.xml)
media-gfx/imagemagick	-	-
media-libs/opencv	-	-
sci-libs/dlib	-	-

USE Flag: png