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diff --git a/src/isa-l/igzip/igzip_wrapper.h b/src/isa-l/igzip/igzip_wrapper.h
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+++ b/src/isa-l/igzip/igzip_wrapper.h
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+/**********************************************************************
+  Copyright(c) 2011-2018 Intel Corporation All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions
+  are met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in
+      the documentation and/or other materials provided with the
+      distribution.
+    * Neither the name of Intel Corporation nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**********************************************************************/
+
+#ifndef IGZIP_WRAPPER_H
+
+#define DEFLATE_METHOD 8
+#define ZLIB_DICT_FLAG (1 << 5)
+#define TEXT_FLAG (1 << 0)
+#define HCRC_FLAG (1 << 1)
+#define EXTRA_FLAG (1 << 2)
+#define NAME_FLAG (1 << 3)
+#define COMMENT_FLAG (1 << 4)
+#define UNDEFINED_FLAG (-1)
+
+#define GZIP_HDR_BASE 10
+#define GZIP_EXTRA_LEN 2
+#define GZIP_HCRC_LEN 2
+#define GZIP_TRAILER_LEN 8
+
+#define ZLIB_HDR_BASE 2
+#define ZLIB_DICT_LEN 4
+#define ZLIB_INFO_OFFSET 4
+#define ZLIB_LEVEL_OFFSET 6
+#define ZLIB_TRAILER_LEN 4
+
+#endif