--- src/JackDspSource.cpp    2007-02-19 07:56:49.000000000 +0000
+++ src_new/JackDspSource.cpp    2008-06-10 23:40:16.000000000 +0100
@@ -32,6 +32,7 @@
 /* ============================================================ include files */
 
 #include "AudioSource.h"
+#include "limits.h"
 
 #ifdef SUPPORT_JACK_DSP
 // only compile this code if there is support for it