diff -r ea891871f481 -r bb5522e88ab2 misc/libphysfs/lzma/CPP/7zip/Common/CreateCoder.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/7zip/Common/CreateCoder.h	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,98 @@
+// CreateCoder.h
+
+#ifndef __CREATECODER_H
+#define __CREATECODER_H
+
+#include "Common/MyCom.h"
+#include "Common/MyString.h"
+#include "../ICoder.h"
+
+#include "MethodId.h"
+
+#ifdef EXTERNAL_CODECS
+
+struct CCodecInfoEx
+{
+  UString Name;
+  CMethodId Id;
+  UInt32 NumInStreams;
+  UInt32 NumOutStreams;
+  bool EncoderIsAssigned;
+  bool DecoderIsAssigned;
+  bool IsSimpleCodec() const { return NumOutStreams == 1 && NumInStreams == 1; }
+  CCodecInfoEx(): EncoderIsAssigned(false), DecoderIsAssigned(false) {}
+};
+
+HRESULT LoadExternalCodecs(ICompressCodecsInfo *codecsInfo, CObjectVector<CCodecInfoEx> &externalCodecs);
+
+#define PUBLIC_ISetCompressCodecsInfo public ISetCompressCodecsInfo,
+#define QUERY_ENTRY_ISetCompressCodecsInfo MY_QUERYINTERFACE_ENTRY(ISetCompressCodecsInfo)
+#define DECL_ISetCompressCodecsInfo STDMETHOD(SetCompressCodecsInfo)(ICompressCodecsInfo *compressCodecsInfo);
+#define IMPL_ISetCompressCodecsInfo2(x) \
+STDMETHODIMP x::SetCompressCodecsInfo(ICompressCodecsInfo *compressCodecsInfo) { \
+  COM_TRY_BEGIN _codecsInfo = compressCodecsInfo;  return LoadExternalCodecs(_codecsInfo, _externalCodecs); COM_TRY_END }
+#define IMPL_ISetCompressCodecsInfo IMPL_ISetCompressCodecsInfo2(CHandler)
+
+#define EXTERNAL_CODECS_VARS2 _codecsInfo, &_externalCodecs
+
+#define DECL_EXTERNAL_CODECS_VARS CMyComPtr<ICompressCodecsInfo> _codecsInfo; CObjectVector<CCodecInfoEx> _externalCodecs;
+#define EXTERNAL_CODECS_VARS EXTERNAL_CODECS_VARS2,
+
+#define DECL_EXTERNAL_CODECS_LOC_VARS2 ICompressCodecsInfo *codecsInfo, const CObjectVector<CCodecInfoEx> *externalCodecs
+#define EXTERNAL_CODECS_LOC_VARS2 codecsInfo, externalCodecs
+
+#define DECL_EXTERNAL_CODECS_LOC_VARS DECL_EXTERNAL_CODECS_LOC_VARS2,
+#define EXTERNAL_CODECS_LOC_VARS EXTERNAL_CODECS_LOC_VARS2,
+
+#else
+
+#define PUBLIC_ISetCompressCodecsInfo
+#define QUERY_ENTRY_ISetCompressCodecsInfo
+#define DECL_ISetCompressCodecsInfo
+#define IMPL_ISetCompressCodecsInfo
+#define EXTERNAL_CODECS_VARS2
+#define DECL_EXTERNAL_CODECS_VARS
+#define EXTERNAL_CODECS_VARS EXTERNAL_CODECS_VARS2
+#define DECL_EXTERNAL_CODECS_LOC_VARS2
+#define EXTERNAL_CODECS_LOC_VARS2
+#define DECL_EXTERNAL_CODECS_LOC_VARS
+#define EXTERNAL_CODECS_LOC_VARS
+
+#endif
+
+bool FindMethod(
+  DECL_EXTERNAL_CODECS_LOC_VARS
+  const UString &name, CMethodId &methodId, UInt32 &numInStreams, UInt32 &numOutStreams);
+
+bool FindMethod(
+  DECL_EXTERNAL_CODECS_LOC_VARS
+  CMethodId methodId, UString &name);
+
+
+HRESULT CreateCoder(
+  DECL_EXTERNAL_CODECS_LOC_VARS
+  CMethodId methodId,
+  CMyComPtr<ICompressFilter> &filter,
+  CMyComPtr<ICompressCoder> &coder,
+  CMyComPtr<ICompressCoder2> &coder2,
+  bool encode, bool onlyCoder);
+
+HRESULT CreateCoder(
+  DECL_EXTERNAL_CODECS_LOC_VARS
+  CMethodId methodId,
+  CMyComPtr<ICompressCoder> &coder,
+  CMyComPtr<ICompressCoder2> &coder2,
+  bool encode);
+
+HRESULT CreateCoder(
+  DECL_EXTERNAL_CODECS_LOC_VARS
+  CMethodId methodId, 
+  CMyComPtr<ICompressCoder> &coder, bool encode);
+
+HRESULT CreateFilter(
+  DECL_EXTERNAL_CODECS_LOC_VARS
+  CMethodId methodId,
+  CMyComPtr<ICompressFilter> &filter,
+  bool encode);
+
+#endif