ecasound

USE flags

• alsa - Add support for media-libs/alsa-lib (Advanced Linux Sound Architecture)
• audiofile - Add support for libaudiofile where applicable
• 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
• jack - Add support for the JACK Audio Connection Kit
• libsamplerate - Build with support for converting sample rates using libsamplerate
• lv2 - Add support for Ladspa V2
• mikmod - Add libmikmod support to allow playing of SoundTracker-style music files
• ncurses - Add ncurses support (console display library)
• oil - Use dev-libs/liboil for inner loop optimizations
• osc - Enable support for Open Sound Control
• oss - Add support for OSS (Open Sound System)
• python - Add optional support/bindings for the Python language
• python_single_target_python3_10 - Build for Python 3.10 only
• python_single_target_python3_11 - Build for Python 3.11 only
• python_single_target_python3_9 - Build for Python 3.9 only
• ruby - Add support/bindings for the Ruby language
• sndfile - Add support for libsndfile
• static-libs - Build static versions of dynamic libraries as well
• test - Enable dependencies and/or preparations necessary to run tests (usually controlled by FEATURES=test but can be toggled independently)