Move LZMA SDK to 3rdparty subdirectory

Also add attribution document.

Task-number: QTIFW-2336
Change-Id: I91546bc6c3ace244e4b546b945f40b7d204f7463
Reviewed-by: Katja Marttila <katja.marttila@qt.io>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

1 files changed, 39 insertions, 0 deletions

diff --git a/src/libs/3rdparty/7zip/win/C/XzEnc.h b/src/libs/3rdparty/7zip/win/C/XzEnc.h
new file mode 100644
index 000000000..c3c19eca0
--- /dev/null
+++ b/src/libs/3rdparty/7zip/win/C/XzEnc.h
@@ -0,0 +1,39 @@
+/* XzEnc.h -- Xz Encode
+2011-02-07 : Igor Pavlov : Public domain */
+
+#ifndef __XZ_ENC_H
+#define __XZ_ENC_H
+
+#include "Lzma2Enc.h"
+
+#include "Xz.h"
+
+EXTERN_C_BEGIN
+
+typedef struct
+{
+  UInt32 id;
+  UInt32 delta;
+  UInt32 ip;
+  int ipDefined;
+} CXzFilterProps;
+
+void XzFilterProps_Init(CXzFilterProps *p);
+
+typedef struct
+{
+  const CLzma2EncProps *lzma2Props;
+  const CXzFilterProps *filterProps;
+  unsigned checkId;
+} CXzProps;
+
+void XzProps_Init(CXzProps *p);
+
+SRes Xz_Encode(ISeqOutStream *outStream, ISeqInStream *inStream,
+    const CXzProps *props, ICompressProgress *progress);
+
+SRes Xz_EncodeEmpty(ISeqOutStream *outStream);
+
+EXTERN_C_END
+
+#endif