Gentoo Packages

app-text/ispell: Whether to support (and require) sys-libs/ncurses[tinfo].
sci-mathematics/reduce: Build with ncurses[tinfo]
sys-libs/ncurses: Build curses library (libncurses) sep from the low-level terminfo library (libtinfo) -- usually needed only for binary packages -- but it is binary compatible in either mode
sys-libs/ncurses-compat: Build curses library (libncurses) sep from the low-level terminfo library (libtinfo) -- usually needed only for binary packages -- but it is binary compatible in either mode

app-text/ispell: Whether to support (and require) sys-libs/ncurses[tinfo].
sci-mathematics/reduce: Build with ncurses[tinfo]
sys-libs/ncurses: Build curses library (libncurses) sep from the low-level terminfo library (libtinfo) -- usually needed only for binary packages -- but it is binary compatible in either mode
sys-libs/ncurses-compat: Build curses library (libncurses) sep from the low-level terminfo library (libtinfo) -- usually needed only for binary packages -- but it is binary compatible in either mode

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

Package	Local Description (use.local.desc)	Metadata Description (metadata.xml)
sys-libs/ncurses	Build curses library (libncurses) sep from the low-level terminfo library (libtinfo) -- usually needed only for binary packages -- but it is binary compatible in either mode	Build curses library (libncurses) sep from the low-level terminfo library (libtinfo) -- usually needed only for binary packages -- but it is binary compatible in either mode
sys-libs/ncurses-compat	Build curses library (libncurses) sep from the low-level terminfo library (libtinfo) -- usually needed only for binary packages -- but it is binary compatible in either mode	Build curses library (libncurses) sep from the low-level terminfo library (libtinfo) -- usually needed only for binary packages -- but it is binary compatible in either mode
app-text/ispell	Whether to support (and require) sys-libs/ncurses[tinfo].	Whether to support (and require) sys-libs/ncurses[tinfo].
sci-mathematics/reduce	Build with ncurses[tinfo]	Build with ncurses[tinfo]

USE Flag: tinfo