diff -r ea891871f481 -r bb5522e88ab2 misc/libphysfs/lzma/CPP/7zip/Common/RegisterCodec.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/7zip/Common/RegisterCodec.h	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,33 @@
+// RegisterCodec.h
+
+#ifndef __REGISTERCODEC_H
+#define __REGISTERCODEC_H
+
+#include "../Common/MethodId.h"
+
+typedef void * (*CreateCodecP)();
+struct CCodecInfo
+{
+  CreateCodecP CreateDecoder;
+  CreateCodecP CreateEncoder;
+  CMethodId Id;
+  const wchar_t *Name;
+  UInt32 NumInStreams;
+  bool IsFilter;
+};
+
+void RegisterCodec(const CCodecInfo *codecInfo);
+
+#define REGISTER_CODEC_NAME(x) CRegisterCodec ## x 
+
+#define REGISTER_CODEC(x) struct REGISTER_CODEC_NAME(x) { \
+    REGISTER_CODEC_NAME(x)() { RegisterCodec(&g_CodecInfo); }}; \
+    static REGISTER_CODEC_NAME(x) g_RegisterCodec;
+
+#define REGISTER_CODECS_NAME(x) CRegisterCodecs ## x 
+#define REGISTER_CODECS(x) struct REGISTER_CODECS_NAME(x) { \
+    REGISTER_CODECS_NAME(x)() { for (int i = 0; i < sizeof(g_CodecsInfo) / sizeof(g_CodecsInfo[0]); i++) \
+    RegisterCodec(&g_CodecsInfo[i]); }}; \
+    static REGISTER_CODECS_NAME(x) g_RegisterCodecs;
+
+#endif