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-fmit (Free Music Instrument Tuner) is a piece of software for tuning musical
-instruments, using Qt as a GUI library, supporting ALSA, JACK, OSS, or
-PortAudio for audio input. Features error and volume history, tuning scales
-using Scala (.scl) files, microtonal tuning, harmonic ratios, wave shapes, and
-more.
-
-fmit will automatically detect ALSA and if jack-audio-connection-kit, oss or
-portaudio support is desired, pass JACK="ON", OSS="ON" or PORTAUDIO="ON" to
-the SlackBuild.
+fmit (Free Music Instrument Tuner)
+
+fmit (Free Music Instrument Tuner) is a piece of software for tuning
+musical instruments, using Qt as a GUI library, supporting ALSA,
+PulseAudio, JACK, OSS, or PortAudio for audio input. Features error
+and volume history, tuning scales using Scala (.scl) files, microtonal
+tuning, harmonic ratios, wave shapes, and more.
+
+fmit will always be built with support for ALSA and PulseAudio. If
+jack and/or portaudio are installed, they will be autodetected
+(but may be disabled via JACK=no and/or PORTAUDIO=no in the
+environment).
+
+If OSS support is desired, export OSS=yes in the environment.
+
+When built with jack support, this package uses POSIX
+filesystem capabilities to execute with elevated privileges
+(required for realtime audio processing). This may be considered a
+security/stability risk. Please read http://www.slackbuilds.org/caps/
+for more information. To disable capabilities, pass SETCAP=no to the
+script (or JACK=no if you don't need jack).