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, 32 insertions, 0 deletions

diff --git a/contrib/xz/src/common/tuklib_progname.h b/contrib/xz/src/common/tuklib_progname.h
new file mode 100644
index 0000000..791b125
--- /dev/null
+++ b/contrib/xz/src/common/tuklib_progname.h
@@ -0,0 +1,32 @@
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file       tuklib_progname.h
+/// \brief      Program name to be displayed in messages
+//
+//  Author:     Lasse Collin
+//
+//  This file has been put into the public domain.
+//  You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef TUKLIB_PROGNAME_H
+#define TUKLIB_PROGNAME_H
+
+#include "tuklib_common.h"
+#include <errno.h>
+
+TUKLIB_DECLS_BEGIN
+
+#if HAVE_DECL_PROGRAM_INVOCATION_NAME
+#	define progname program_invocation_name
+#else
+#	define progname TUKLIB_SYMBOL(tuklib_progname)
+	extern char *progname;
+#endif
+
+#define tuklib_progname_init TUKLIB_SYMBOL(tuklib_progname_init)
+extern void tuklib_progname_init(char **argv);
+
+TUKLIB_DECLS_END
+#endif