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-rw-r--r--extra/scanlzma/scanlzma.c2
-rw-r--r--lib/Makefile.am2
-rw-r--r--lib/getopt-cdefs.h2
-rw-r--r--lib/getopt-core.h2
-rw-r--r--lib/getopt-ext.h2
-rw-r--r--lib/getopt-pfx-core.h2
-rw-r--r--lib/getopt-pfx-ext.h2
-rw-r--r--lib/getopt.c2
-rw-r--r--lib/getopt.in.h2
-rw-r--r--lib/getopt1.c2
-rw-r--r--lib/getopt_int.h2
-rw-r--r--m4/ax_pthread.m42
-rw-r--r--m4/getopt.m42
-rw-r--r--m4/posix-shell.m42
-rw-r--r--m4/visibility.m42
-rw-r--r--src/scripts/xzdiff.13
-rw-r--r--src/scripts/xzdiff.in1
-rw-r--r--src/scripts/xzgrep.13
-rw-r--r--src/scripts/xzgrep.in1
-rw-r--r--src/scripts/xzless.in1
-rw-r--r--src/scripts/xzmore.13
-rw-r--r--src/scripts/xzmore.in1
22 files changed, 37 insertions, 6 deletions
diff --git a/extra/scanlzma/scanlzma.c b/extra/scanlzma/scanlzma.c
index 110f822b..1c8fcd8f 100644
--- a/extra/scanlzma/scanlzma.c
+++ b/extra/scanlzma/scanlzma.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
/*
scanlzma, scan for lzma compressed data in stdin and echo it to stdout.
Copyright (C) 2006 Timo Lindfors
diff --git a/lib/Makefile.am b/lib/Makefile.am
index b6a3b161..3309e228 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -1,3 +1,5 @@
+## SPDX-License-Identifier: GPL-2.0-or-later
+
##
## Copyright (C) 2004-2007 Free Software Foundation, Inc.
##
diff --git a/lib/getopt-cdefs.h b/lib/getopt-cdefs.h
index 021bdd36..576428c1 100644
--- a/lib/getopt-cdefs.h
+++ b/lib/getopt-cdefs.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
/* getopt-on-non-glibc compatibility macros.
Copyright (C) 1989-2023 Free Software Foundation, Inc.
This file is part of gnulib.
diff --git a/lib/getopt-core.h b/lib/getopt-core.h
index c5dd4936..126ce808 100644
--- a/lib/getopt-core.h
+++ b/lib/getopt-core.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
/* Declarations for getopt (basic, portable features only).
Copyright (C) 1989-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library and is also part of gnulib.
diff --git a/lib/getopt-ext.h b/lib/getopt-ext.h
index d37c2932..006037ba 100644
--- a/lib/getopt-ext.h
+++ b/lib/getopt-ext.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
/* Declarations for getopt (GNU extensions).
Copyright (C) 1989-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library and is also part of gnulib.
diff --git a/lib/getopt-pfx-core.h b/lib/getopt-pfx-core.h
index 095e3930..ee22d3f7 100644
--- a/lib/getopt-pfx-core.h
+++ b/lib/getopt-pfx-core.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
/* getopt (basic, portable features) gnulib wrapper header.
Copyright (C) 1989-2023 Free Software Foundation, Inc.
This file is part of gnulib.
diff --git a/lib/getopt-pfx-ext.h b/lib/getopt-pfx-ext.h
index 8578d725..00d2a095 100644
--- a/lib/getopt-pfx-ext.h
+++ b/lib/getopt-pfx-ext.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
/* getopt (GNU extensions) gnulib wrapper header.
Copyright (C) 1989-2023 Free Software Foundation, Inc.
This file is part of gnulib.
diff --git a/lib/getopt.c b/lib/getopt.c
index 5941f6fd..ab3ff879 100644
--- a/lib/getopt.c
+++ b/lib/getopt.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
/* Getopt for GNU.
Copyright (C) 1987-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library and is also part of gnulib.
diff --git a/lib/getopt.in.h b/lib/getopt.in.h
index 79941d44..6d602c5d 100644
--- a/lib/getopt.in.h
+++ b/lib/getopt.in.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
/* Declarations for getopt.
Copyright (C) 1989-2023 Free Software Foundation, Inc.
This file is part of gnulib.
diff --git a/lib/getopt1.c b/lib/getopt1.c
index fb99b4a0..5cb3b913 100644
--- a/lib/getopt1.c
+++ b/lib/getopt1.c
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
/* getopt_long and getopt_long_only entry points for GNU getopt.
Copyright (C) 1987-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library and is also part of gnulib.
diff --git a/lib/getopt_int.h b/lib/getopt_int.h
index 4d9e24be..2dcb5538 100644
--- a/lib/getopt_int.h
+++ b/lib/getopt_int.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
/* Internal declarations for getopt.
Copyright (C) 1989-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library and is also part of gnulib.
diff --git a/m4/ax_pthread.m4 b/m4/ax_pthread.m4
index 9f35d139..3f26da62 100644
--- a/m4/ax_pthread.m4
+++ b/m4/ax_pthread.m4
@@ -1,3 +1,5 @@
+dnl SPDX-License-Identifier: GPL-3.0-or-later WITH Autoconf-exception-macro
+
# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_pthread.html
# ===========================================================================
diff --git a/m4/getopt.m4 b/m4/getopt.m4
index 5271f557..af8bfd4c 100644
--- a/m4/getopt.m4
+++ b/m4/getopt.m4
@@ -1,3 +1,5 @@
+dnl SPDX-License-Identifier: FSFULLR
+
# getopt.m4 serial 49 (modified version)
dnl Copyright (C) 2002-2006, 2008-2023 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
diff --git a/m4/posix-shell.m4 b/m4/posix-shell.m4
index 4c56193c..95a19a96 100644
--- a/m4/posix-shell.m4
+++ b/m4/posix-shell.m4
@@ -1,3 +1,5 @@
+dnl SPDX-License-Identifier: FSFULLR
+
# Find a POSIX-conforming shell.
# Copyright (C) 2007-2008 Free Software Foundation, Inc.
diff --git a/m4/visibility.m4 b/m4/visibility.m4
index f0468e89..52c7ef10 100644
--- a/m4/visibility.m4
+++ b/m4/visibility.m4
@@ -1,3 +1,5 @@
+dnl SPDX-License-Identifier: FSFULLR
+
# visibility.m4 serial 8
dnl Copyright (C) 2005, 2008, 2010-2023 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
diff --git a/src/scripts/xzdiff.1 b/src/scripts/xzdiff.1
index 24fed680..21824118 100644
--- a/src/scripts/xzdiff.1
+++ b/src/scripts/xzdiff.1
@@ -1,11 +1,10 @@
+.\" SPDX-License-Identifier: GPL-2.0-or-later
.\"
.\" Original zdiff.1 for gzip: Jean-loup Gailly
.\"
.\" Modifications for XZ Utils: Lasse Collin
.\" Andrew Dudman
.\"
-.\" License: GNU GPLv2+
-.\"
.TH XZDIFF 1 "2021-06-04" "Tukaani" "XZ Utils"
.SH NAME
xzcmp, xzdiff, lzcmp, lzdiff \- compare compressed files
diff --git a/src/scripts/xzdiff.in b/src/scripts/xzdiff.in
index 72249d3a..40a1fd33 100644
--- a/src/scripts/xzdiff.in
+++ b/src/scripts/xzdiff.in
@@ -1,4 +1,5 @@
#!@POSIX_SHELL@
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 1998, 2002, 2006, 2007 Free Software Foundation
# Copyright (C) 1993 Jean-loup Gailly
diff --git a/src/scripts/xzgrep.1 b/src/scripts/xzgrep.1
index e0514b8b..0ace8502 100644
--- a/src/scripts/xzgrep.1
+++ b/src/scripts/xzgrep.1
@@ -1,11 +1,10 @@
+.\" SPDX-License-Identifier: GPL-2.0-or-later
.\"
.\" Original zgrep.1 for gzip: Jean-loup Gailly
.\" Charles Levert <charles@comm.polymtl.ca>
.\"
.\" Modifications for XZ Utils: Lasse Collin
.\"
-.\" License: GNU GPLv2+
-.\"
.TH XZGREP 1 "2022-07-19" "Tukaani" "XZ Utils"
.SH NAME
xzgrep \- search compressed files for a regular expression
diff --git a/src/scripts/xzgrep.in b/src/scripts/xzgrep.in
index c98fb30d..6e3d8d7e 100644
--- a/src/scripts/xzgrep.in
+++ b/src/scripts/xzgrep.in
@@ -1,4 +1,5 @@
#!@POSIX_SHELL@
+# SPDX-License-Identifier: GPL-2.0-or-later
# xzgrep -- a wrapper around a grep program that decompresses files as needed
# Adapted from a version sent by Charles Levert <charles@comm.polymtl.ca>
diff --git a/src/scripts/xzless.in b/src/scripts/xzless.in
index 53650ef1..08a64dc7 100644
--- a/src/scripts/xzless.in
+++ b/src/scripts/xzless.in
@@ -1,4 +1,5 @@
#!@POSIX_SHELL@
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 1998, 2002, 2006, 2007 Free Software Foundation
diff --git a/src/scripts/xzmore.1 b/src/scripts/xzmore.1
index 9613974e..8a402808 100644
--- a/src/scripts/xzmore.1
+++ b/src/scripts/xzmore.1
@@ -1,9 +1,8 @@
+.\" SPDX-License-Identifier: GPL-2.0-or-later
.\"
.\" Original zdiff.1 for gzip: Jean-loup Gailly
.\" Modifications for XZ Utils: Lasse Collin
.\"
-.\" License: GNU GPLv2+
-.\"
.TH XZMORE 1 "2013-06-30" "Tukaani" "XZ Utils"
.SH NAME
xzmore, lzmore \- view xz or lzma compressed (text) files
diff --git a/src/scripts/xzmore.in b/src/scripts/xzmore.in
index 5188fdab..7cb31cbe 100644
--- a/src/scripts/xzmore.in
+++ b/src/scripts/xzmore.in
@@ -1,4 +1,5 @@
#!@POSIX_SHELL@
+# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (C) 2001, 2002, 2007 Free Software Foundation
# Copyright (C) 1992, 1993 Jean-loup Gailly