Global USE flags

Flag	Description	Packages
doc	Generate Doxygen documentation	16
examples		4
fftw	Compile code that requires the <pkg>sci-libs/fftw3</pkg> library	2
readline		2
static-libs	Build static libraries	28

Category USE flags

sci-libs

Flag	Description	Packages
X		2
all-lal	Enable/disable compilation of all LAL libraries	4
cfitsio	Compile code that requires cfitsio library	2
dtt	Build support for dtt	2
fast-gsl	Enable fast/inline GSL code	7
fast-install	Optimize for fast installation	21
frame	Adds support for <pkg>sci-libs/libframe</pkg>	2
framel	Compile code that requires the <pkg>sci-libs/ldas-tools-framecpp</pkg> library	2
lalburst	Compile code that requires the <pkg>sci-libs/lalburst</pkg> library	4
lalframe	Compile code that requires lalframe library	4
lalinference	Compile code that requires the <pkg>sci-libs/lalinference</pkg> library	2
lalinspiral	Compile code that requires the <pkg>sci-libs/lalinspiral</pkg> library	3
lalmetaio	Include the <pkg>sci-libs/lalmetaio</pkg> package	3
lalpulsar	Compile code that requires the <pkg>sci-libs/lalpulsar</pkg> library	3
lalsimulation	Compile code that requires the <pkg>sci-libs/lalsimulation</pkg> library	2
largefile	Omit support for large files	5
libtool-lock	Avoid locking (might break parallel builds)	9
metaio	Adds support for <pkg>sci-libs/metaio</pkg>	2
monitors	Build all monitors	5
mpi	Compile using MPI for supported codes	2
omega	Build Omega_c only	5
online	Online program version	5
only-dtt	Build dtt only	2
openmp	Add support for <pkg>sys-cluster/openmpi</pkg>	4
png		2
python	Build Python programs and modules	9
root-objects	Build root dictionary in shared objects	2
swig	Generate SWIG bindings for all languages	7
swig-iface	Generate SWIG interface only	7
swig-octave	Generate SWIG bindings for Octave	7
swig-python	Generate SWIG bindings for Python	7
tk		2
xml		3

Local USE flags

app-misc

brightnessctl

Flag	Description
systemd
udev

dev-perl

Astro-satpass

Flag	Description
json	Uses <pkg>dev-perl/JSON</pkg> to pass JSON orbital data from Space Track to the Astro::Coord::ECI::TLE parse() method

dev-qt

qt-meta

Flag	Description
dbus
kde	Select <pkg>media-libs/phonon</pkg> as Phonon variant (needed for KDE)
wayland
webkit

net-im

skypeforlinux

Flag	Description
pax_kernel	Triggers a paxmarking of the main skype binary

net-mail

davmail-bin

Flag	Description
server	Add a davmail user and an entry to /etc/init.d to use davmail as a service

mu

Flag	Description
emacs	Install the mu4e mail client.

sci-electronics

labjack-ljm-64bit

Flag	Description
kipling	Install the Kipling program

sci-geosciences

gpsman

Flag	Description
utils	Install utilities for e.g. conversion

sci-libs

fgsl

Flag	Description
doc-html	Installs (~13Mb) of documentation as HTML
doc-pdf	Installs (~4.6Mb) of documentation as PDF

gds-gui

Flag	Description
dmtviewer	Add dmtviewer anyway
gui	Build dtt with gui

lal

Flag	Description
fftw3-memalign	Use aligned memory optimizations with fftw3
intelfft	Use Intel FFT libraries insted of FFTW
pthread-lock	Use pthread mutex lock for threadsafety

lalapps

Flag	Description
gds	Compile code that requires the <pkg>sci-libs/gds</pkg> library
static-binaries	Build static binaries

lalsuite

Flag	Description
lalapps	Include the <pkg>sci-libs/lalapps</pkg> package

pg2plplot

Flag	Description
postscript

pgplot

Flag	Description
motif

plplot

Flag	Description
cairo
cxx
dynamic	Build with dynamic drivers
fortran
gd
java
jpeg
latex
lua
ocaml
octave	Add bindings for <pkg>sci-mathematics/octave</pkg>
pdf
qhull	Add bindings for <pkg>media-libs/qhull</pkg>
qt5
shapefile	Enable support for ESRI shapefiles
svg
tcl
test
threads
truetype
wxwidgets

sci-mathematics

giac

Flag	Description
${IUSE}
gc	Enable garbage collection support via <pkg>dev-libs/boehm-gc</pkg>
l10n_
l10n_${X}

sys-kernel

gentoo-sources

Flag	Description
experimental	Apply experimental patches; for more information, see "https://wiki.gentoo.org/wiki/Project:Kernel/Experimental".

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