musescore

USE flags

• alsa - Add support for media-libs/alsa-lib (Advanced Linux Sound Architecture)
• 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
• jack - Add support for the JACK Audio Connection Kit
• jumbo-build - Combine source files to speed up build process, requires more memory
• mp3 - Add support for reading mp3 files
• omr - Enable PDF import (OMR - optical music recognition)
• osc - Enable OSC remote control protocol
• portaudio - Add support for the crossplatform portaudio audio API
• portmidi - Enable support for building against media-libs/portmidi
• pulseaudio - Add sound server support via media-libs/libpulse (may be PulseAudio or PipeWire)
• sf3 - Enable SoundFont 3 support using media-libs/libvorbis
• sfz - Enable experimental SFZ sampler
• test - Enable dependencies and/or preparations necessary to run tests (usually controlled by FEATURES=test but can be toggled independently)
• webengine - Use dev-qt/qtwebengine for embedded web browser