+++ /dev/null
---- a/extras/input_id/input_id.c
-+++ b/extras/input_id/input_id.c
-@@ -30,6 +30,10 @@
- #include "libudev.h"
- #include "libudev-private.h"
-
-+#ifndef BTN_TRIGGER_HAPPY
-+#define BTN_TRIGGER_HAPPY 0x2c0
-+#endif
-+
- /* we must use this kernel-compatible implementation */
- #define BITS_PER_LONG (sizeof(unsigned long) * 8)
- #define NBITS(x) ((((x)-1)/BITS_PER_LONG)+1)