| Flag |
Description |
2.5.2 |
2.4.8 |
2.4.7 |
2.4.6-r2 |
2.4.3 |
| alsa |
Add support for media-libs/alsa-lib (Advanced Linux Sound Architecture)
|
✓ |
✓ |
✓ |
✓ |
✓ |
| dbus |
Enable dbus support for anything that needs it (gpsd, gnomemeeting, etc)
|
✓ |
✓ |
✓ |
✓ |
✓ |
| debug |
Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
|
✓ |
✓ |
✓ |
✓ |
✓ |
| doc |
Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally
|
✓ |
✓ |
✓ |
✓ |
✓ |
| ipv6 |
Add support for IP version 6
|
✓ |
✓ |
✓ |
✓ |
✓ |
| jack |
Add support for the JACK Audio Connection Kit
|
✓ |
✓ |
✓ |
✓ |
✓ |
| ladspa |
Enable the ability to support ladspa plugins
|
✓ |
✓ |
✓ |
✓ |
✓ |
| network |
enable network support (requires BSD sockets)
|
✗ |
✗ |
✗ |
✗ |
✓ |
| openmp |
Build support for the OpenMP (support parallel computing), requires >=sys-devel/gcc-4.2 built with USE="openmp"
|
✓ |
✓ |
✓ |
✓ |
✗ |
| oss |
Add support for OSS (Open Sound System)
|
✓ |
✓ |
✓ |
✓ |
✓ |
| pipewire |
enable <pkg>media-video/pipewire</pkg> support
|
✓ |
✓ |
✓ |
✓ |
✓ |
| portaudio |
Add support for the crossplatform portaudio audio API
|
✓ |
✓ |
✓ |
✓ |
✓ |
| pulseaudio |
Add sound server support via media-libs/libpulse (may be PulseAudio or PipeWire)
|
✓ |
✓ |
✓ |
✓ |
✓ |
| readline |
Enable support for libreadline, a GNU line-editing library that almost everyone wants
|
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
| sdl |
Add support for Simple Direct Layer (media library)
|
✓ |
✓ |
✓ |
✓ |
✓ |
| sndfile |
Add support for libsndfile
|
⊕ |
⊕ |
⊕ |
⊕ |
⊕ |
| systemd |
Enable use of systemd-specific libraries and features like socket activation or session tracking
|
✓ |
✓ |
✓ |
✓ |
✓ |
| threads |
Add threads support for various packages. Usually pthreads
|
✓ |
✓ |
✓ |
✓ |
✓ |