Import of liblzma, xz, xzdec, lzmainfo from vendor branch

Add support for xz and lzma to lesspipe.sh (xzless, lzless)
Bump __FreeBSD_version

Approved by:	delphij (mentor)
MFC after:	2 weeks

1 files changed, 23 insertions, 0 deletions

diff --git a/contrib/xz/src/common/tuklib_open_stdxxx.h b/contrib/xz/src/common/tuklib_open_stdxxx.h
new file mode 100644
index 0000000..b911616
--- /dev/null
+++ b/contrib/xz/src/common/tuklib_open_stdxxx.h
@@ -0,0 +1,23 @@
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file       tuklib_open_stdxxx.h
+/// \brief      Make sure that file descriptors 0, 1, and 2 are open
+//
+//  Author:     Lasse Collin
+//
+//  This file has been put into the public domain.
+//  You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef TUKLIB_OPEN_STDXXX_H
+#define TUKLIB_OPEN_STDXXX_H
+
+#include "tuklib_common.h"
+TUKLIB_DECLS_BEGIN
+
+#define tuklib_open_stdxx TUKLIB_SYMBOL(tuklib_open_stdxxx)
+extern void tuklib_open_stdxxx(int err_status);
+
+TUKLIB_DECLS_END
+#endif