Merge topic 'add-liblzma'

65a0ea45 Help: Add notes for topic 'add-liblzma'
8436d181 CMake: Enable use of liblzma in libarchive (#14504)
73eab246 liblzma: Avoid defining a 'restrict' macro
90e7a4d4 liblzma: Disable warnings to avoid changing 3rd party code
c20b4502 liblzma: Port to VS 6, 7.0
7a92eddb liblzma: Port from C99 to C89/90
b2a07ca4 liblzma: Add CMake build system
d44ad161 liblzma: Remove unused Makefile.* files
a53caea3 liblzma: Add README-CMake.txt
133d42fe Merge branch 'liblzma-upstream' into add-liblzma
c289e634 liblzma 5.0.5-gb69900ed (reduced)
8510533f liblzma: Add .gitattributes to ignore whitespace checks

1 files changed, 30 insertions, 0 deletions

diff --git a/Utilities/cmliblzma/liblzma/check/crc_macros.h b/Utilities/cmliblzma/liblzma/check/crc_macros.h
new file mode 100644
index 0000000..a7c21b7
--- /dev/null
+++ b/Utilities/cmliblzma/liblzma/check/crc_macros.h
@@ -0,0 +1,30 @@
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file       crc_macros.h
+/// \brief      Some endian-dependent macros for CRC32 and CRC64
+//
+//  Author:     Lasse Collin
+//
+//  This file has been put into the public domain.
+//  You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifdef WORDS_BIGENDIAN
+#	define A(x) ((x) >> 24)
+#	define B(x) (((x) >> 16) & 0xFF)
+#	define C(x) (((x) >> 8) & 0xFF)
+#	define D(x) ((x) & 0xFF)
+
+#	define S8(x) ((x) << 8)
+#	define S32(x) ((x) << 32)
+
+#else
+#	define A(x) ((x) & 0xFF)
+#	define B(x) (((x) >> 8) & 0xFF)
+#	define C(x) (((x) >> 16) & 0xFF)
+#	define D(x) ((x) >> 24)
+
+#	define S8(x) ((x) >> 8)
+#	define S32(x) ((x) >> 32)
+#endif