--- pacemaker-1.1.7.orig/mcp/pacemaker.h	2012-03-28 08:14:13.000000000 +0200
+++ pacemaker-1.1.7/mcp/pacemaker.h	2012-07-31 13:43:39.000000000 +0200
@@ -21,6 +21,7 @@
 #include <sys/param.h>
 #include <sys/types.h>
 #include <sys/wait.h>
+#include <sys/resource.h>
 
 #include <stdint.h>