Cargo Features

[dependencies]
coreaudio-sys = { version = "0.2.16", default-features = false, features = ["core_audio", "audio_server_plugin", "io_kit_audio", "core_midi"] }
default = audio_server_plugin, audio_toolbox, audio_unit, core_audio, core_midi, open_al

These default features are set whenever coreaudio-sys is added without default-features = false somewhere in the dependency tree.

audio_toolbox audio_unit core_audio default
audio_server_plugin default
io_kit_audio
open_al core_midi default

coreaudio-sys has 5 features without comments.