depends cmake && depends -sub CXX gcc && optional_depends alsa-lib \ "-DBUILD_ALSA=on" \ "-DBUILD_ALSA=off" \ "support for the alsa audio backend" && optional_depends portaudio19 \ "-DBUILD_PORTAUDIO=on" \ "-DBUILD_PORTAUDIO=off" \ "support for the portaudio backend" && optional_depends pulseaudio \ "-DBUILD_PULSEAUDIO=on" \ "-DBUILD_PULSEAUDIO=off" \ "support for the pulseaudio backend" && optional_depends JACK-DRIVER \ "-DBUILD_JACK=on" \ "-DBUILD_JACK=off" \ "support for the jack backend" && optional_depends lame \ "-DBUILD_LAME=on" \ "-DBUILD_LAME=off" \ "for mp3 export" && optional_depends libsndfile \ "-DHAS_AUDIOFILE=on" \ "-DHAS_AUDIOFILE=off" \ "for audio export" && optional_depends libvorbis \ "-DSOUNDFONT3=on" \ "-DSOUNDFONT3=off" \ "support for vorbis-compressed sound fonts" && if is_depends_enabled $SPELL libvorbis; then depends libogg fi && depends qtbase && depends qttools && depends qtdeclarative && depends qtquickcontrols && depends qtscript && depends qtxmlpatterns && depends qtsvg && depends SSL && depends WEBKIT_QT