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diff --git a/misc/builddeps/win32/sdl/include/SDL2/SDL_cpuinfo.h b/misc/builddeps/win32/sdl/include/SDL2/SDL_cpuinfo.h
new file mode 100644
index 00000000..1f6efd38
--- /dev/null
+++ b/misc/builddeps/win32/sdl/include/SDL2/SDL_cpuinfo.h
@@ -0,0 +1,156 @@
+/*
+  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.
+*/
+
+/**
+ *  \file SDL_cpuinfo.h
+ *
+ *  CPU feature detection for SDL.
+ */
+
+#ifndef _SDL_cpuinfo_h
+#define _SDL_cpuinfo_h
+
+#include "SDL_stdinc.h"
+
+/* Need to do this here because intrin.h has C++ code in it */
+/* Visual Studio 2005 has a bug where intrin.h conflicts with winnt.h */
+#if defined(_MSC_VER) && (_MSC_VER >= 1500) && (defined(_M_IX86) || defined(_M_X64))
+#include <intrin.h>
+#ifndef _WIN64
+#define __MMX__
+#define __3dNOW__
+#endif
+#define __SSE__
+#define __SSE2__
+#elif defined(__MINGW64_VERSION_MAJOR)
+#include <intrin.h>
+#else
+#ifdef __ALTIVEC__
+#if HAVE_ALTIVEC_H && !defined(__APPLE_ALTIVEC__)
+#include <altivec.h>
+#undef pixel
+#endif
+#endif
+#ifdef __MMX__
+#include <mmintrin.h>
+#endif
+#ifdef __3dNOW__
+#include <mm3dnow.h>
+#endif
+#ifdef __SSE__
+#include <xmmintrin.h>
+#endif
+#ifdef __SSE2__
+#include <emmintrin.h>
+#endif
+#endif
+
+#include "begin_code.h"
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* This is a guess for the cacheline size used for padding.
+ * Most x86 processors have a 64 byte cache line.
+ * The 64-bit PowerPC processors have a 128 byte cache line.
+ * We'll use the larger value to be generally safe.
+ */
+#define SDL_CACHELINE_SIZE  128
+
+/**
+ *  This function returns the number of CPU cores available.
+ */
+extern DECLSPEC int SDLCALL SDL_GetCPUCount(void);
+
+/**
+ *  This function returns the L1 cache line size of the CPU
+ *
+ *  This is useful for determining multi-threaded structure padding
+ *  or SIMD prefetch sizes.
+ */
+extern DECLSPEC int SDLCALL SDL_GetCPUCacheLineSize(void);
+
+/**
+ *  This function returns true if the CPU has the RDTSC instruction.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasRDTSC(void);
+
+/**
+ *  This function returns true if the CPU has AltiVec features.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasAltiVec(void);
+
+/**
+ *  This function returns true if the CPU has MMX features.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasMMX(void);
+
+/**
+ *  This function returns true if the CPU has 3DNow! features.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_Has3DNow(void);
+
+/**
+ *  This function returns true if the CPU has SSE features.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE(void);
+
+/**
+ *  This function returns true if the CPU has SSE2 features.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE2(void);
+
+/**
+ *  This function returns true if the CPU has SSE3 features.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE3(void);
+
+/**
+ *  This function returns true if the CPU has SSE4.1 features.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE41(void);
+
+/**
+ *  This function returns true if the CPU has SSE4.2 features.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE42(void);
+
+/**
+ *  This function returns true if the CPU has AVX features.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX(void);
+
+/**
+ *  This function returns the amount of RAM configured in the system, in MB.
+ */
+extern DECLSPEC int SDLCALL SDL_GetSystemRAM(void);
+
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+}
+#endif
+#include "close_code.h"
+
+#endif /* _SDL_cpuinfo_h */
+
+/* vi: set ts=4 sw=4 expandtab: */