diff -up intel-gpu-tools-1.9/tests/testdisplay_hotplug.c.jx intel-gpu-tools-1.9/tests/testdisplay_hotplug.c

--- intel-gpu-tools-1.9/tests/testdisplay_hotplug.c.jx	2014-12-12 11:08:14.000000000 -0500

+++ intel-gpu-tools-1.9/tests/testdisplay_hotplug.c	2015-06-03 15:43:55.127775543 -0400

@@ -24,6 +24,7 @@

 #include <stdio.h>

 #include <string.h>

 #include <stdlib.h>

+#include <sys/stat.h>

 #include "testdisplay.h"

 #ifdef HAVE_CONFIG_H