--- libtirpc-0.2.5.orig/src/debug.h	2014-08-08 11:24:34.000000000 -0500
+++ libtirpc-0.2.5/src/debug.h	2015-02-10 11:32:36.946998399 -0600
@@ -21,6 +21,7 @@
 
 #ifndef _DEBUG_H
 #define _DEBUG_H
+#include <stdarg.h>
 #include <syslog.h>
 
 extern int libtirpc_debug_level;