Index: src/gui/midi.cpp
--- src/gui/midi.cpp.orig
+++ src/gui/midi.cpp
@@ -116,6 +116,10 @@ static struct {
 
 #include "midi_win32.h"
 
+#elif defined (HAVE_SNDIO)
+
+#include "midi_sndio.h"
+
 #else
 
 #include "midi_oss.h"
