diff -aur ccrtp-1.8.0.old//src/ccrtp/sources.h ccrtp-1.8.0.new//src/ccrtp/sources.h
--- ccrtp-1.8.0.old//src/ccrtp/sources.h	2011-05-14 03:15:35.993564505 -0700
+++ ccrtp-1.8.0.new//src/ccrtp/sources.h	2011-05-14 03:19:02.033569568 -0700
@@ -46,6 +46,7 @@
 
 #include <string>
 #include <ccrtp/rtcppkt.h>
+#include <stddef.h>
 
 #ifdef	CCXX_NAMESPACES
 namespace ost {