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-FluidSynth is a software real-time synthesizer based on the Soundfont 2
-specifications. FluidSynth reads and handles MIDI events from the MIDI
-input device. It is the software analogue of a MIDI synthesizer.
-FluidSynth can also play midifiles using a Soundfont.
+fluidsynth (software synthesizer)
-If you want to build support for ladspa plugins, you can pass
-LADSPA=yes to the script. That requires ladspa_sdk.
+FluidSynth is a software real-time synthesizer based on the Soundfont
+2 specifications. FluidSynth reads and handles MIDI events from the
+MIDI input device. It is the software analogue of a MIDI synthesizer.
+FluidSynth can also play MIDI files using a Soundfont.
-Optional deps are lash, portaudio, and jack.
+Optional dependencies: ladspa_sdk, lash, portaudio, jack, SDL2. These
+are autodetected at build time, but can be disabled via the environment.
+
+Build options (environment variables):
+
+JACK=yes|no - support JACK audio output, if present. Default: yes.
+LADSPA=yes|no - support LADSPA plugins, if present. Default: yes.
+LASH=yes|no - support LASH session management, if present. Default: yes.
+OSS=yes|no - support old-style OSS audio output. Default: no.
+PORTAUDIO=yes|no - support PortAudio audio output, if present. Default: yes.
+PULSE=yes|no - support PulseAudio audio output. Default: yes.
+SDL2=yes|no - support SDL2 audio output, if present. Default: yes.