From 3126ed79f1903db1c4cadd9e1ec43512ee354327 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Branimir=20Karad=C5=BEi=C4=87?= <branimirkaradzic@gmail.com>
Date: Sun, 24 Jan 2016 22:35:49 -0800
Subject: [PATCH] Fixed Linux build.

---
 examples/common/entry/entry_sdl.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/examples/common/entry/entry_sdl.cpp b/examples/common/entry/entry_sdl.cpp
index e981de533..566952a83 100644
--- a/examples/common/entry/entry_sdl.cpp
+++ b/examples/common/entry/entry_sdl.cpp
@@ -21,6 +21,9 @@ BX_PRAGMA_DIAGNOSTIC_IGNORED_CLANG("-Wextern-c-compat")
 BX_PRAGMA_DIAGNOSTIC_POP_CLANG()
 
 #include <bgfx/bgfxplatform.h>
+#if defined(None) // X11 defines this...
+#	undef None
+#endif // defined(None)
 
 #include <stdio.h>
 #include <bx/thread.h>