@@ -, +, @@ 
--- 
--- a/src/audio/midi.c	
+++ a/src/audio/midi.c	
@@ -29,6 +29,13 @@ 
 
 #define SHAVING (0.01) //seconds to shave off a note start time to ensure stopping before noteon is sent, and starting with noteon first note may depend of speed of machine??? FIXME 
 
+#ifndef HAVE_PORTAUDIO 
+gdouble get_playback_speed (void) 
+{ 
+ return 1.0; 
+} 
+void set_playback_speed (double speed) {} 
+#endif 
 
 static volatile gboolean playing = FALSE; 
 
--