Global USE flags

Flag	Description	Packages
X		3
ladspa	Enable building of LADSPA plugin	2
lv2	Enable building of LV2 plugin	9
osc		6
standalone	Enable building of standalone application	9

Category USE flags

media-plugins

Flag	Description	Packages
dssi	Enable building of DSSI plugin	2
nsm	Enable New Session Manager support	2
vst	Enable building of VST plugin	5

media-sound

Flag	Description	Packages
alsa		6
debug		6
jack		4
lash		2
opengl		2
pulseaudio		2

Local USE flags

media-libs

libmonome

Flag	Description
python
udev

media-plugins

artyfx

Flag	Description
cpu_flags_x86_sse

media-sound

bitwig-studio

Flag	Description
abi_x86_32
cpu_flags_x86_sse4_1

cadence

Flag	Description
a2jmidid	Enable a2jmidid integration
ladish	Enable installation of Claudia, a LADISH front-end

carla

Flag	Description
gtk
gtk2	Use gtk-2 instead of gtk-3
rdf	Enable LADSPA-RDF support
sf2	Enable builtin SF2 sample support using <pkg>media-sound/fluidsynth</pkg>
sndfile

ladish

Flag	Description
doc

new-session-manager

Flag	Description
gui

pure-data

Flag	Description
double-precision	Use double- rather than single-precision floating-point representation
fftw
oss

sc3-plugins

Flag	Description
supernova	Enable building the supernova server

sequencer64

Flag	Description
cli	Enable CLI
qt5

serialosc

Flag	Description
zeroconf

setbfree

Flag	Description
convolution	enable experimental built-in convolution reverb used for leslie cabinet simulation

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