--- apricots/sampleio.cpp~	2012-03-02 07:49:55.000000000 -0600
+++ apricots/sampleio.cpp	2012-03-02 08:04:28.828977306 -0600
@@ -13,6 +13,10 @@
 //   Code cleanup
 
 #include "sampleio.h"
+#include <AL/al.h>
+#include <AL/alc.h>
+#include <AL/alut.h>
+
 
 // Empty Noaudio sound routines
 #if AP_AUDIO==AUDIO_NOAUDIO