--- udev-9999/src/udev.h.ori	2012-10-10 20:36:52.267033098 +0200
+++ udev-9999/src/udev.h	2012-10-10 20:37:16.455678722 +0200
@@ -26,6 +26,8 @@
 #include "libudev.h"
 #include "libudev-private.h"
 
+#define streq(a, b) (strcmp((a), (b)) == 0)
+
 struct udev_event {
         struct udev *udev;
         struct udev_device *dev;