Gentoo Packages

Warning: USE flag 'cdrom' is used in ebuilds/metadata but is not defined in profiles/use.desc
Warning: USE flag 'cdrom' used by games-emulation/mednafen-psx-hw-libretro but not documented in its metadata.xml
Warning: USE flag 'cdrom' used by games-emulation/retroarch but has no description in metadata.xml, use.local.desc or use.desc
Warning: USE flag 'cdrom' used by app-emulation/quickemu but has no description in metadata.xml, use.local.desc or use.desc

Package	Local Description (use.local.desc)	Metadata Description (metadata.xml)
kde-apps/kdemultimedia-meta	Include packages for optical discs	Include packages for optical discs
games-emulation/mednafen-psx-hw-libretro	Enable physical CDROM support	-
games-emulation/retroarch	-	-
app-emulation/quickemu	-	-

USE Flag: cdrom