Use a warranty disclaimer in all-permissive license notices.

* etc/license-notices/unlimited: Add a short warranty disclaimer sentence. * m4/*.m4: Update. * build-aux/prefix-gnulib-mk: Likewise. * HACKING: Likewise.
coreutils · Oct 17, 2024 · b1f65fa · b1f65fa
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diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,12 @@
+2024-10-17  Bruno Haible  <[email protected]>
+
+	Use a warranty disclaimer in all-permissive license notices.
+	* etc/license-notices/unlimited: Add a short warranty disclaimer
+	sentence.
+	* m4/*.m4: Update.
+	* build-aux/prefix-gnulib-mk: Likewise.
+	* HACKING: Likewise.
+
 2024-10-17  Bruno Haible  <[email protected]>
 
 	gettext: Un-obsolete.

diff --git a/HACKING b/HACKING
@@ -63,6 +63,7 @@ In *.m4 files, use a notice like this:
   dnl This file is free software; the Free Software Foundation
   dnl gives unlimited permission to copy and/or distribute it,
   dnl with or without modifications, as long as this notice is preserved.
+  dnl This file is offered as-is, without any warranty.
 
 In lib/, tests/, build-aux/ files, except those that are shared with glibc,
 use the license notices from etc/license-notices/ . This avoids gratuitous

diff --git a/build-aux/prefix-gnulib-mk b/build-aux/prefix-gnulib-mk
@@ -8,6 +8,7 @@
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
+# This file is offered as-is, without any warranty.
 #
 # Written by Jim Meyering
 

diff --git a/etc/license-notices/unlimited b/etc/license-notices/unlimited
@@ -3,8 +3,10 @@
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
+# This file is offered as-is, without any warranty.
 
 
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
diff --git a/m4/00gnulib.m4 b/m4/00gnulib.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 dnl This file must be named something that sorts before all other
 dnl gnulib-provided .m4 files.  It is needed until the clang fix has

diff --git a/m4/_Exit.m4 b/m4/_Exit.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2010-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC__EXIT],
 [

diff --git a/m4/__inline.m4 b/m4/__inline.m4
@@ -4,6 +4,7 @@ dnl Copyright 2017-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 # Test for __inline keyword
 

diff --git a/m4/abort-debug.m4 b/m4/abort-debug.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_ABORT_DEBUG],
 [

diff --git a/m4/absolute-header.m4 b/m4/absolute-header.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2006-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 dnl From Derek Price.
 

diff --git a/m4/accept4.m4 b/m4/accept4.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ACCEPT4],
 [

diff --git a/m4/access.m4 b/m4/access.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2019-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ACCESS],
 [

diff --git a/m4/acl.m4 b/m4/acl.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2002, 2004-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 # Check for access control list (ACL) primitives
 

diff --git a/m4/acos.m4 b/m4/acos.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2011-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ACOS],
 [

diff --git a/m4/acosf.m4 b/m4/acosf.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2011-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ACOSF],
 [

diff --git a/m4/acosl.m4 b/m4/acosl.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2010-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ACOSL],
 [

diff --git a/m4/af_alg.m4 b/m4/af_alg.m4
@@ -4,6 +4,7 @@ dnl Copyright 2018-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 dnl From Matteo Croce.
 

diff --git a/m4/alignalloc.m4 b/m4/alignalloc.m4
@@ -4,6 +4,7 @@ dnl Copyright 2022-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_ALIGNALLOC],
 [

diff --git a/m4/aligned_alloc.m4 b/m4/aligned_alloc.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2020-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ALIGNED_ALLOC],
 [

diff --git a/m4/alloca.m4 b/m4/alloca.m4
@@ -5,6 +5,7 @@ dnl Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ALLOCA],
 [

diff --git a/m4/alphasort.m4 b/m4/alphasort.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ALPHASORT],
 [

diff --git a/m4/ansi-c++.m4 b/m4/ansi-c++.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2002-2003, 2005, 2010-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 dnl From Bruno Haible.
 

diff --git a/m4/arctwo.m4 b/m4/arctwo.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2005-2006, 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 # Prerequisites of lib/arctwo.c.
 AC_DEFUN([gl_ARCTWO], [:])
diff --git a/m4/argp.m4 b/m4/argp.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2003-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_ARGP],
 [

diff --git a/m4/argz.m4 b/m4/argz.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2004-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 # Portability macros for glibc argz.                    -*- Autoconf -*-
 

diff --git a/m4/arpa_inet_h.m4 b/m4/arpa_inet_h.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2006, 2008-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 dnl Written by Simon Josefsson and Bruno Haible
 

diff --git a/m4/asin.m4 b/m4/asin.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2011-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ASIN],
 [

diff --git a/m4/asinf.m4 b/m4/asinf.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2011-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ASINF],
 [

diff --git a/m4/asinl.m4 b/m4/asinl.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2010-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ASINL],
 [

diff --git a/m4/asm-underscore.m4 b/m4/asm-underscore.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2010-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 dnl From Bruno Haible. Based on as-underscore.m4 in GNU clisp.
 

diff --git a/m4/assert.m4 b/m4/assert.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 1998-1999, 2001, 2004, 2008-2024 Free Software Foundation, Inc
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 dnl based on code from Eleftherios Gkioulekas
 dnl Autoconf 2.60 provides AC_HEADER_ASSERT for the same purpose, but

diff --git a/m4/assert_h.m4 b/m4/assert_h.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2011-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 dnl From Paul Eggert.
 

diff --git a/m4/atan.m4 b/m4/atan.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2011-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ATAN],
 [

diff --git a/m4/atan2.m4 b/m4/atan2.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2011-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ATAN2],
 [

diff --git a/m4/atan2f.m4 b/m4/atan2f.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2011-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ATAN2F],
 [

diff --git a/m4/atanf.m4 b/m4/atanf.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2011-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ATANF],
 [

diff --git a/m4/atanl.m4 b/m4/atanl.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2010-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ATANL],
 [

diff --git a/m4/atexit.m4 b/m4/atexit.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2002, 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ATEXIT],
 [

diff --git a/m4/atoll.m4 b/m4/atoll.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2008-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_ATOLL],
 [

diff --git a/m4/atomic-cas.m4 b/m4/atomic-cas.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 # Determines whether the atomic compare-and-swap operations, officially
 # supported in GCC >= 4.1 and clang >= 3.0, are actually available.

diff --git a/m4/autobuild.m4 b/m4/autobuild.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2004, 2006-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 dnl From Simon Josefsson
 

diff --git a/m4/backupfile.m4 b/m4/backupfile.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2002-2006, 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 dnl Prerequisites of lib/backupfile.c.
 AC_DEFUN([gl_BACKUPFILE],

diff --git a/m4/base32.m4 b/m4/base32.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2004, 2006, 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_BASE32],
 [

diff --git a/m4/base64.m4 b/m4/base64.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2004, 2006, 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_BASE64],
 [

diff --git a/m4/bison-i18n.m4 b/m4/bison-i18n.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2005-2006, 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 dnl From Bruno Haible.
 

diff --git a/m4/bison.m4 b/m4/bison.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2002-2006, 2008-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 # There are two types of parser skeletons:
 #

diff --git a/m4/btowc.m4 b/m4/btowc.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2008-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 AC_DEFUN([gl_FUNC_BTOWC],
 [

diff --git a/m4/build-to-host.m4 b/m4/build-to-host.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2023-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 dnl Written by Bruno Haible.
 

diff --git a/m4/builtin-expect.m4 b/m4/builtin-expect.m4
@@ -4,6 +4,7 @@ dnl Copyright 2016-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 dnl Provide a GCC-compatible __builtin_expect macro in <config.h>.
 

diff --git a/m4/byteswap.m4 b/m4/byteswap.m4
@@ -4,6 +4,7 @@ dnl Copyright (C) 2005, 2007, 2009-2024 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 dnl Written by Oskar Liljeblad.