Add library SDL2

Engine/lib/sdl/src/SDL_internal.h

@@ -0,0 +1,38 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#ifndef _SDL_internal_h
+#define _SDL_internal_h
+
+#include "dynapi/SDL_dynapi.h"
+
+#if SDL_DYNAMIC_API
+#include "dynapi/SDL_dynapi_overrides.h"
+/* force DECLSPEC and SDLCALL off...it's all internal symbols now.
+   These will have actual #defines during SDL_dynapi.c only */
+#define DECLSPEC
+#define SDLCALL
+#endif
+
+#include "SDL_config.h"
+
+#endif
+
+/* vi: set ts=4 sw=4 expandtab: */