diff -ruN phonon-4.5.0.old//phonon/pulsestream_p.h phonon-4.5.0/phonon/pulsestream_p.h
--- phonon-4.5.0.old//phonon/pulsestream_p.h	2011-03-25 06:55:56.000000000 -0700
+++ phonon-4.5.0/phonon/pulsestream_p.h	2011-10-08 19:33:15.258128378 -0700
@@ -28,6 +28,7 @@
 
 #include <stdint.h>
 #include <pulse/pulseaudio.h>
+#include <math.h>
 
 
 #include <QtCore/QtGlobal>