From 6cae89a85ee75972427a9573fd66c50cb3d7d961 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Mon, 11 Feb 2013 18:22:17 -0800
Subject: [PATCH] Fixed compiling SYN_DROPPED with older kernel headers

---
 src/joystick/linux/SDL_sysjoystick.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/joystick/linux/SDL_sysjoystick.c b/src/joystick/linux/SDL_sysjoystick.c
index 339d9a803..e5192be8f 100644
--- a/src/joystick/linux/SDL_sysjoystick.c
+++ b/src/joystick/linux/SDL_sysjoystick.c
@@ -59,6 +59,11 @@
 #include <sys/types.h>
 #include <unistd.h>
 
+/* This isn't defined in older Linux kernel headers */
+#ifndef SYN_DROPPED
+#define SYN_DROPPED 3
+#endif
+
 /* we never link directly to libudev. */
 /* !!! FIXME: can we generalize this? ALSA, etc, do the same things. */
 static const char *udev_library = "libudev.so.0";