Global USE flags

Flag Description Packages
X Enable support for X11 applications (XWayland) 2
alsa 2
doc 3
qt5 2
test 8
wayland 2

Local USE flags

app-emulation

looking-glass

Flag Description
debug
pipewire PipeWire support
pulseaudio

dev-python

pydns

Flag Description
examples

media-libs

lpcnet-freedv

Flag Description
cpu_flags_arm_neon
cpu_flags_x86_avx
cpu_flags_x86_avx2
cpu_flags_x86_sse4_1

net-misc

ifupdown-ng

Flag Description
elibc_musl

reprepro

Flag Description
bzip2
crypt
libarchive Use libarchive for reading package files
lzma

net-print

lprng

Flag Description
kerberos
nls
ssl

magicfilter

Flag Description
lprng-failsafe Refuse options for compability with certain LPRng versions.

net-voip

twinkle

Flag Description
dbus
g729 Add support for the G.729A audio codec
gsm
speex

sci-electronics

icestorm

Flag Description
iceprog

nextpnr

Flag Description
python

yosys

Flag Description
libedit
libffi
readline
tcl
zlib

sys-block

partclone

Flag Description
extfs Support ext2/3/4 file systems
fuse Enable FUSE image support
ncurses
nilfs2 Support NILFS2 file system
ntfs Support NTFS file system
reiser4 Support Reiser4 file system

sys-libs

termpaint

Flag Description
tools Install additional tools

x11-misc

rofi-wayland

Flag Description
drun Enable desktop file run dialog
windowmode Enable normal window mode