Global USE flags

Flag Description Packages
cpu_flags_x86_sse2 2
debug 2
gdal Enable alternative terrain engine based on pagedLOD using <pkg>sci-libs/gdal</pkg> 2

Local USE flags

acct-user

beszel-agent

Flag Description
docker Add the user to the docker group in order to access docker stats. Beware that this will grant the user full access to docker!
smartctl Add the user to the disk group in order to access S.M.A.R.T. stats. Requires sys-apps/smartmontools to work. Beware that this will grant the user full (raw) access disks!

dev-games

simgear

Flag Description
ffmpeg Enable video recording via <pkg>media-video/ffmpeg</pkg>
subversion Enable terrasync scenery downloader
test

games-simulation

flightgear

Flag Description
dbus Enable screensaver DBus interaction
examples
qt6 Build Qt6 launcher application
udev Enable event-based Input devices through <pkg>virtual/udev</pkg>
utils Build various utilities (fgpanel, fgviewer among others)

media-fonts

cantarell

Flag Description
staticfont Install the static fonts.
variablefont Install the variable font (may cause problems with Libreoffice and printing/PDF export).

media-gfx

gradia

Flag Description
ocr Enable OCR functionality