; Add 2024 to copyright years

133 files changed, 133 insertions, 133 deletions

diff --git a/m4/00gnulib.m4 b/m4/00gnulib.m4
index 7fe03e0b9c0..3448c40bbd6 100644
--- a/m4/00gnulib.m4
+++ b/m4/00gnulib.m4
@@ -1,5 +1,5 @@
 # 00gnulib.m4 serial 8
-dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/__inline.m4 b/m4/__inline.m4
index acf8668bc58..992e16f4ea7 100644
--- a/m4/__inline.m4
+++ b/m4/__inline.m4
@@ -1,5 +1,5 @@
 # Test for __inline keyword
-dnl Copyright 2017-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/absolute-header.m4 b/m4/absolute-header.m4
index e7947648881..aa7d0dac6da 100644
--- a/m4/absolute-header.m4
+++ b/m4/absolute-header.m4
@@ -1,5 +1,5 @@
 # absolute-header.m4 serial 17
-dnl Copyright (C) 2006-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/acl.m4 b/m4/acl.m4
index 98362858ce5..59ada447581 100644
--- a/m4/acl.m4
+++ b/m4/acl.m4
@@ -1,7 +1,7 @@
 # acl.m4 - check for access control list (ACL) primitives
 # serial 24
 
-# Copyright (C) 2002, 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2004-2024 Free Software Foundation, Inc.
 # 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.
diff --git a/m4/alloca.m4 b/m4/alloca.m4
index 75851875910..911a003a04f 100644
--- a/m4/alloca.m4
+++ b/m4/alloca.m4
@@ -1,5 +1,5 @@
 # alloca.m4 serial 21
-dnl Copyright (C) 2002-2004, 2006-2007, 2009-2023 Free Software
+dnl Copyright (C) 2002-2004, 2006-2007, 2009-2024 Free Software
 dnl Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/assert_h.m4 b/m4/assert_h.m4
index 6275f633a69..e3aaad34ddc 100644
--- a/m4/assert_h.m4
+++ b/m4/assert_h.m4
@@ -1,5 +1,5 @@
 # assert-h.m4
-dnl Copyright (C) 2011-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/builtin-expect.m4 b/m4/builtin-expect.m4
index 531ed48af7f..8faffc50354 100644
--- a/m4/builtin-expect.m4
+++ b/m4/builtin-expect.m4
@@ -1,6 +1,6 @@
 dnl Check for __builtin_expect.
 
-dnl Copyright 2016-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/byteswap.m4 b/m4/byteswap.m4
index 8058d178bce..5493d901916 100644
--- a/m4/byteswap.m4
+++ b/m4/byteswap.m4
@@ -1,5 +1,5 @@
 # byteswap.m4 serial 5
-dnl Copyright (C) 2005, 2007, 2009-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/c-bool.m4 b/m4/c-bool.m4
index f614371bb28..44fba3c012f 100644
--- a/m4/c-bool.m4
+++ b/m4/c-bool.m4
@@ -1,6 +1,6 @@
 # Check for bool that conforms to C2023.
 
-dnl Copyright 2022-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/canonicalize.m4 b/m4/canonicalize.m4
index 03cb0aec93f..c7129b2049d 100644
--- a/m4/canonicalize.m4
+++ b/m4/canonicalize.m4
@@ -1,6 +1,6 @@
 # canonicalize.m4 serial 37
 
-dnl Copyright (C) 2003-2007, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2003-2007, 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,
diff --git a/m4/clock_time.m4 b/m4/clock_time.m4
index 411e0710e7f..0c6d182d106 100644
--- a/m4/clock_time.m4
+++ b/m4/clock_time.m4
@@ -1,5 +1,5 @@
 # clock_time.m4 serial 11
-dnl Copyright (C) 2002-2006, 2009-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/copy-file-range.m4 b/m4/copy-file-range.m4
index d41f2c48313..b5d7a03a03a 100644
--- a/m4/copy-file-range.m4
+++ b/m4/copy-file-range.m4
@@ -1,5 +1,5 @@
 # copy-file-range.m4
-dnl Copyright 2019-2023 Free Software Foundation, Inc.
+dnl Copyright 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.
diff --git a/m4/d-type.m4 b/m4/d-type.m4
index 05eb8ac0cfa..13bab57a3a5 100644
--- a/m4/d-type.m4
+++ b/m4/d-type.m4
@@ -5,7 +5,7 @@ dnl
 dnl Check whether struct dirent has a member named d_type.
 dnl
 
-# Copyright (C) 1997, 1999-2004, 2006, 2009-2023 Free Software
+# Copyright (C) 1997, 1999-2004, 2006, 2009-2024 Free Software
 # Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
diff --git a/m4/dirent_h.m4 b/m4/dirent_h.m4
index 2a232a7622e..a856a113d60 100644
--- a/m4/dirent_h.m4
+++ b/m4/dirent_h.m4
@@ -1,5 +1,5 @@
 # dirent_h.m4 serial 19
-dnl Copyright (C) 2008-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/dirfd.m4 b/m4/dirfd.m4
index 2135535042b..85223351b28 100644
--- a/m4/dirfd.m4
+++ b/m4/dirfd.m4
@@ -2,7 +2,7 @@
 
 dnl Find out how to get the file descriptor associated with an open DIR*.
 
-# Copyright (C) 2001-2006, 2008-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2006, 2008-2024 Free Software Foundation, Inc.
 # 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.
diff --git a/m4/double-slash-root.m4 b/m4/double-slash-root.m4
index 1776e5eb75d..00f23a70b0c 100644
--- a/m4/double-slash-root.m4
+++ b/m4/double-slash-root.m4
@@ -1,5 +1,5 @@
 # double-slash-root.m4 serial 4   -*- Autoconf -*-
-dnl Copyright (C) 2006, 2008-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/dup2.m4 b/m4/dup2.m4
index 8a040d4c369..1833ff0ec17 100644
--- a/m4/dup2.m4
+++ b/m4/dup2.m4
@@ -1,5 +1,5 @@
 #serial 27
-dnl Copyright (C) 2002, 2005, 2007, 2009-2023 Free Software Foundation,
+dnl Copyright (C) 2002, 2005, 2007, 2009-2024 Free Software Foundation,
 dnl Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/eealloc.m4 b/m4/eealloc.m4
index cb3e08fe53a..d8862a1e0f3 100644
--- a/m4/eealloc.m4
+++ b/m4/eealloc.m4
@@ -1,5 +1,5 @@
 # eealloc.m4 serial 3
-dnl Copyright (C) 2003, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2003, 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.
diff --git a/m4/environ.m4 b/m4/environ.m4
index 741dfc56a1e..5b9e06b0088 100644
--- a/m4/environ.m4
+++ b/m4/environ.m4
@@ -1,5 +1,5 @@
 # environ.m4 serial 8
-dnl Copyright (C) 2001-2004, 2006-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2001-2004, 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.
diff --git a/m4/errno_h.m4 b/m4/errno_h.m4
index 4c70d225289..8900d6c7257 100644
--- a/m4/errno_h.m4
+++ b/m4/errno_h.m4
@@ -1,5 +1,5 @@
 # errno_h.m4 serial 14
-dnl Copyright (C) 2004, 2006, 2008-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2004, 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.
diff --git a/m4/euidaccess.m4 b/m4/euidaccess.m4
index 0dc757820ee..ab8f4c6d0ee 100644
--- a/m4/euidaccess.m4
+++ b/m4/euidaccess.m4
@@ -1,5 +1,5 @@
 # euidaccess.m4 serial 15
-dnl Copyright (C) 2002-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2024 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.
diff --git a/m4/execinfo.m4 b/m4/execinfo.m4
index 269e697a45a..a76c33525e6 100644
--- a/m4/execinfo.m4
+++ b/m4/execinfo.m4
@@ -1,6 +1,6 @@
 # Check for GNU-style execinfo.h.
 
-dnl Copyright 2012-2023 Free Software Foundation, Inc.
+dnl Copyright 2012-2024 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.
diff --git a/m4/explicit_bzero.m4 b/m4/explicit_bzero.m4
index aa74bea3d26..59576b7e018 100644
--- a/m4/explicit_bzero.m4
+++ b/m4/explicit_bzero.m4
@@ -1,4 +1,4 @@
-dnl Copyright 2017-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/extensions.m4 b/m4/extensions.m4
index 6596e7efc06..e79c9d21139 100644
--- a/m4/extensions.m4
+++ b/m4/extensions.m4
@@ -1,7 +1,7 @@
 # serial 22  -*- Autoconf -*-
 # Enable extensions on systems that normally disable them.
 
-# Copyright (C) 2003, 2006-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003, 2006-2024 Free Software Foundation, Inc.
 # 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.
diff --git a/m4/extern-inline.m4 b/m4/extern-inline.m4
index c001b1cff7d..009c6a221ad 100644
--- a/m4/extern-inline.m4
+++ b/m4/extern-inline.m4
@@ -1,6 +1,6 @@
 dnl 'extern inline' a la ISO C99.
 
-dnl Copyright 2012-2023 Free Software Foundation, Inc.
+dnl Copyright 2012-2024 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.
diff --git a/m4/faccessat.m4 b/m4/faccessat.m4
index 934c1f41546..7240e5d3850 100644
--- a/m4/faccessat.m4
+++ b/m4/faccessat.m4
@@ -1,7 +1,7 @@
 # serial 10
 # See if we need to provide faccessat replacement.
 
-dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/fchmodat.m4 b/m4/fchmodat.m4
index 7a3ee863e3c..abb8a797c1a 100644
--- a/m4/fchmodat.m4
+++ b/m4/fchmodat.m4
@@ -1,5 +1,5 @@
 # fchmodat.m4 serial 7
-dnl Copyright (C) 2004-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/fcntl.m4 b/m4/fcntl.m4
index 524a99af80a..02b93f8357c 100644
--- a/m4/fcntl.m4
+++ b/m4/fcntl.m4
@@ -1,5 +1,5 @@
 # fcntl.m4 serial 11
-dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/fcntl_h.m4 b/m4/fcntl_h.m4
index 68f4e648021..ba4eb4494db 100644
--- a/m4/fcntl_h.m4
+++ b/m4/fcntl_h.m4
@@ -1,6 +1,6 @@
 # serial 20
 # Configure fcntl.h.
-dnl Copyright (C) 2006-2007, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2007, 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.
diff --git a/m4/fdopendir.m4 b/m4/fdopendir.m4
index 2c975397118..5f2a2e2b523 100644
--- a/m4/fdopendir.m4
+++ b/m4/fdopendir.m4
@@ -1,7 +1,7 @@
 # serial 14
 # See if we need to provide fdopendir.
 
-dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/filemode.m4 b/m4/filemode.m4
index 2fcc69d119b..3dd40f44b8b 100644
--- a/m4/filemode.m4
+++ b/m4/filemode.m4
@@ -1,5 +1,5 @@
 # filemode.m4 serial 9
-dnl Copyright (C) 2002, 2005-2006, 2009-2023 Free Software Foundation,
+dnl Copyright (C) 2002, 2005-2006, 2009-2024 Free Software Foundation,
 dnl Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/flexmember.m4 b/m4/flexmember.m4
index 13f7e870d31..9df6c03cd3b 100644
--- a/m4/flexmember.m4
+++ b/m4/flexmember.m4
@@ -1,7 +1,7 @@
 # serial 5
 # Check for flexible array member support.
 
-# Copyright (C) 2006, 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2009-2024 Free Software Foundation, Inc.
 # 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.
diff --git a/m4/fpending.m4 b/m4/fpending.m4
index 6991f81066d..05064b851ec 100644
--- a/m4/fpending.m4
+++ b/m4/fpending.m4
@@ -1,6 +1,6 @@
 # serial 23
 
-# Copyright (C) 2000-2001, 2004-2023 Free Software Foundation, Inc.
+# Copyright (C) 2000-2001, 2004-2024 Free Software Foundation, Inc.
 # 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.
diff --git a/m4/fpieee.m4 b/m4/fpieee.m4
index 706b33141d3..239cf4a7e2d 100644
--- a/m4/fpieee.m4
+++ b/m4/fpieee.m4
@@ -1,5 +1,5 @@
 # fpieee.m4 serial 2  -*- coding: utf-8 -*-
-dnl Copyright (C) 2007, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 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.
diff --git a/m4/free.m4 b/m4/free.m4
index 0389dea3f49..4f6dc2e256d 100644
--- a/m4/free.m4
+++ b/m4/free.m4
@@ -1,5 +1,5 @@
 # free.m4 serial 6
-# Copyright (C) 2003-2005, 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2003-2005, 2009-2024 Free Software Foundation, Inc.
 # 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.
diff --git a/m4/fstatat.m4 b/m4/fstatat.m4
index 083076911ff..1b5e5f19276 100644
--- a/m4/fstatat.m4
+++ b/m4/fstatat.m4
@@ -1,5 +1,5 @@
 # fstatat.m4 serial 4
-dnl Copyright (C) 2004-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/fsusage.m4 b/m4/fsusage.m4
index aeb3467a272..c1fd69d24f6 100644
--- a/m4/fsusage.m4
+++ b/m4/fsusage.m4
@@ -1,7 +1,7 @@
 # serial 35
 # Obtaining file system usage information.
 
-# Copyright (C) 1997-1998, 2000-2001, 2003-2023 Free Software
+# Copyright (C) 1997-1998, 2000-2001, 2003-2024 Free Software
 # Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
diff --git a/m4/fsync.m4 b/m4/fsync.m4
index 857e495506f..08e3db8931e 100644
--- a/m4/fsync.m4
+++ b/m4/fsync.m4
@@ -1,5 +1,5 @@
 # fsync.m4 serial 2
-dnl Copyright (C) 2008-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/futimens.m4 b/m4/futimens.m4
index 3aaa10a0b52..62537deafa8 100644
--- a/m4/futimens.m4
+++ b/m4/futimens.m4
@@ -1,7 +1,7 @@
 # serial 9
 # See if we need to provide futimens replacement.
 
-dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/getdtablesize.m4 b/m4/getdtablesize.m4
index 8bcda9053b6..3b89456baf9 100644
--- a/m4/getdtablesize.m4
+++ b/m4/getdtablesize.m4
@@ -1,5 +1,5 @@
 # getdtablesize.m4 serial 8
-dnl Copyright (C) 2008-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/getgroups.m4 b/m4/getgroups.m4
index d5a18ea88b0..5062278b335 100644
--- a/m4/getgroups.m4
+++ b/m4/getgroups.m4
@@ -3,7 +3,7 @@
 dnl From Jim Meyering.
 dnl A wrapper around AC_FUNC_GETGROUPS.
 
-# Copyright (C) 1996-1997, 1999-2004, 2008-2023 Free Software
+# Copyright (C) 1996-1997, 1999-2004, 2008-2024 Free Software
 # Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
diff --git a/m4/getloadavg.m4 b/m4/getloadavg.m4
index 7097e5dd512..48c8d0df87a 100644
--- a/m4/getloadavg.m4
+++ b/m4/getloadavg.m4
@@ -1,6 +1,6 @@
 # Check for getloadavg.
 
-# Copyright (C) 1992-1996, 1999-2000, 2002-2003, 2006, 2008-2023 Free
+# Copyright (C) 1992-1996, 1999-2000, 2002-2003, 2006, 2008-2024 Free
 # Software Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
diff --git a/m4/getopt.m4 b/m4/getopt.m4
index 7981a09552b..cc0356390ba 100644
--- a/m4/getopt.m4
+++ b/m4/getopt.m4
@@ -1,5 +1,5 @@
 # getopt.m4 serial 48
-dnl Copyright (C) 2002-2006, 2008-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/getrandom.m4 b/m4/getrandom.m4
index 95111567d79..205ee8a6138 100644
--- a/m4/getrandom.m4
+++ b/m4/getrandom.m4
@@ -1,5 +1,5 @@
 # getrandom.m4 serial 8
-dnl Copyright 2020-2023 Free Software Foundation, Inc.
+dnl Copyright 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.
diff --git a/m4/gettime.m4 b/m4/gettime.m4
index 39067be6fa8..4b7af40b205 100644
--- a/m4/gettime.m4
+++ b/m4/gettime.m4
@@ -1,5 +1,5 @@
 # gettime.m4 serial 12
-dnl Copyright (C) 2002, 2004-2006, 2009-2023 Free Software Foundation,
+dnl Copyright (C) 2002, 2004-2006, 2009-2024 Free Software Foundation,
 dnl Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/gettimeofday.m4 b/m4/gettimeofday.m4
index 66231e0174f..6c2f8583603 100644
--- a/m4/gettimeofday.m4
+++ b/m4/gettimeofday.m4
@@ -1,6 +1,6 @@
 # serial 29
 
-# Copyright (C) 2001-2003, 2005, 2007, 2009-2023 Free Software
+# Copyright (C) 2001-2003, 2005, 2007, 2009-2024 Free Software
 # Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
diff --git a/m4/gnulib-common.m4 b/m4/gnulib-common.m4
index 70e9105bee1..af9ab58012d 100644
--- a/m4/gnulib-common.m4
+++ b/m4/gnulib-common.m4
@@ -1,5 +1,5 @@
 # gnulib-common.m4 serial 74
-dnl Copyright (C) 2007-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2024 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.
diff --git a/m4/gnulib-comp.m4 b/m4/gnulib-comp.m4
index e03946c94ca..9ee69c37553 100644
--- a/m4/gnulib-comp.m4
+++ b/m4/gnulib-comp.m4
@@ -1,5 +1,5 @@
 # DO NOT EDIT! GENERATED AUTOMATICALLY!
-# Copyright (C) 2002-2023 Free Software Foundation, Inc.
+# Copyright (C) 2002-2024 Free Software Foundation, Inc.
 #
 # This file is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/m4/group-member.m4 b/m4/group-member.m4
index 6e860c6189d..e058ace62b9 100644
--- a/m4/group-member.m4
+++ b/m4/group-member.m4
@@ -1,6 +1,6 @@
 # serial 14
 
-# Copyright (C) 1999-2001, 2003-2007, 2009-2023 Free Software
+# Copyright (C) 1999-2001, 2003-2007, 2009-2024 Free Software
 # Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
diff --git a/m4/ieee754-h.m4 b/m4/ieee754-h.m4
index 73a8f8350b6..cc8ef32bd32 100644
--- a/m4/ieee754-h.m4
+++ b/m4/ieee754-h.m4
@@ -1,6 +1,6 @@
 # Configure ieee754-h module
 
-dnl Copyright 2018-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/include_next.m4 b/m4/include_next.m4
index 9f19215ef05..8a1c52c8564 100644
--- a/m4/include_next.m4
+++ b/m4/include_next.m4
@@ -1,5 +1,5 @@
 # include_next.m4 serial 26
-dnl Copyright (C) 2006-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/inttypes.m4 b/m4/inttypes.m4
index bf2eab2ba31..73f4df8b038 100644
--- a/m4/inttypes.m4
+++ b/m4/inttypes.m4
@@ -1,5 +1,5 @@
 # inttypes.m4 serial 36
-dnl Copyright (C) 2006-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/largefile.m4 b/m4/largefile.m4
index bc8a2b93534..abee5479d62 100644
--- a/m4/largefile.m4
+++ b/m4/largefile.m4
@@ -1,7 +1,7 @@
 # Enable large files on systems where this is not the default.
 # Enable support for files on Linux file systems with 64-bit inode numbers.
 
-# Copyright 1992-1996, 1998-2023 Free Software Foundation, Inc.
+# Copyright 1992-1996, 1998-2024 Free Software Foundation, Inc.
 # 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.
diff --git a/m4/lchmod.m4 b/m4/lchmod.m4
index a1370e163fb..7b263a241eb 100644
--- a/m4/lchmod.m4
+++ b/m4/lchmod.m4
@@ -1,6 +1,6 @@
 #serial 10
 
-dnl Copyright (C) 2005-2006, 2008-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2005-2006, 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.
diff --git a/m4/libgmp.m4 b/m4/libgmp.m4
index 58576c4d0c5..43c7cac375a 100644
--- a/m4/libgmp.m4
+++ b/m4/libgmp.m4
@@ -1,6 +1,6 @@
 # libgmp.m4 serial 7
 # Configure the GMP library or a replacement.
-dnl Copyright 2020-2023 Free Software Foundation, Inc.
+dnl Copyright 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.
diff --git a/m4/limits-h.m4 b/m4/limits-h.m4
index 5088fa16fd3..8588c193c7d 100644
--- a/m4/limits-h.m4
+++ b/m4/limits-h.m4
@@ -1,6 +1,6 @@
 dnl Check whether limits.h has needed features.
 
-dnl Copyright 2016-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/lstat.m4 b/m4/lstat.m4
index 7e667fb187a..38b6c471765 100644
--- a/m4/lstat.m4
+++ b/m4/lstat.m4
@@ -1,6 +1,6 @@
 # serial 33
 
-# Copyright (C) 1997-2001, 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 1997-2001, 2003-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
diff --git a/m4/malloc.m4 b/m4/malloc.m4
index 554029243d1..734d68e54be 100644
--- a/m4/malloc.m4
+++ b/m4/malloc.m4
@@ -1,5 +1,5 @@
 # malloc.m4 serial 28
-dnl Copyright (C) 2007, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 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.
diff --git a/m4/manywarnings.m4 b/m4/manywarnings.m4
index 2fac86e20be..7402edcddfd 100644
--- a/m4/manywarnings.m4
+++ b/m4/manywarnings.m4
@@ -1,5 +1,5 @@
 # manywarnings.m4 serial 23
-dnl Copyright (C) 2008-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/mbstate_t.m4 b/m4/mbstate_t.m4
index dcd66b96131..b2bcba45e96 100644
--- a/m4/mbstate_t.m4
+++ b/m4/mbstate_t.m4
@@ -1,5 +1,5 @@
 # mbstate_t.m4 serial 14
-dnl Copyright (C) 2000-2002, 2008-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2000-2002, 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.
diff --git a/m4/md5.m4 b/m4/md5.m4
index 678489e5c5b..7af56a8a3d1 100644
--- a/m4/md5.m4
+++ b/m4/md5.m4
@@ -1,5 +1,5 @@
 # md5.m4 serial 14
-dnl Copyright (C) 2002-2006, 2008-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/memmem.m4 b/m4/memmem.m4
index 3cf46bc2e9c..7985266f8b7 100644
--- a/m4/memmem.m4
+++ b/m4/memmem.m4
@@ -1,5 +1,5 @@
 # memmem.m4 serial 29
-dnl Copyright (C) 2002-2004, 2007-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2004, 2007-2024 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.
diff --git a/m4/mempcpy.m4 b/m4/mempcpy.m4
index 3ac8a305bde..088a1f8334a 100644
--- a/m4/mempcpy.m4
+++ b/m4/mempcpy.m4
@@ -1,5 +1,5 @@
 # mempcpy.m4 serial 12
-dnl Copyright (C) 2003-2004, 2006-2007, 2009-2023 Free Software
+dnl Copyright (C) 2003-2004, 2006-2007, 2009-2024 Free Software
 dnl Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/memrchr.m4 b/m4/memrchr.m4
index ed750b7bdf1..21604f0ef94 100644
--- a/m4/memrchr.m4
+++ b/m4/memrchr.m4
@@ -1,5 +1,5 @@
 # memrchr.m4 serial 11
-dnl Copyright (C) 2002-2003, 2005-2007, 2009-2023 Free Software
+dnl Copyright (C) 2002-2003, 2005-2007, 2009-2024 Free Software
 dnl Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/minmax.m4 b/m4/minmax.m4
index fd09846ffb3..5c0a927da66 100644
--- a/m4/minmax.m4
+++ b/m4/minmax.m4
@@ -1,5 +1,5 @@
 # minmax.m4 serial 4
-dnl Copyright (C) 2005, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2005, 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.
diff --git a/m4/mkostemp.m4 b/m4/mkostemp.m4
index a7cfac4cb87..efcd1b1cd11 100644
--- a/m4/mkostemp.m4
+++ b/m4/mkostemp.m4
@@ -1,5 +1,5 @@
 # mkostemp.m4 serial 2
-dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/mktime.m4 b/m4/mktime.m4
index 604dd766f5d..cf79406b142 100644
--- a/m4/mktime.m4
+++ b/m4/mktime.m4
@@ -1,5 +1,5 @@
 # serial 37
-dnl Copyright (C) 2002-2003, 2005-2007, 2009-2023 Free Software
+dnl Copyright (C) 2002-2003, 2005-2007, 2009-2024 Free Software
 dnl Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/mode_t.m4 b/m4/mode_t.m4
index 82197c0214a..af88da51285 100644
--- a/m4/mode_t.m4
+++ b/m4/mode_t.m4
@@ -1,5 +1,5 @@
 # mode_t.m4 serial 2
-dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/multiarch.m4 b/m4/multiarch.m4
index 3ba5b0f76c6..5f8339f5c7d 100644
--- a/m4/multiarch.m4
+++ b/m4/multiarch.m4
@@ -1,5 +1,5 @@
 # multiarch.m4 serial 9
-dnl Copyright (C) 2008-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/nanosleep.m4 b/m4/nanosleep.m4
index 21ee5a21daf..51083cb65b5 100644
--- a/m4/nanosleep.m4
+++ b/m4/nanosleep.m4
@@ -5,7 +5,7 @@ dnl Check for the nanosleep function.
 dnl If not found, use the supplied replacement.
 dnl
 
-# Copyright (C) 1999-2001, 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 1999-2001, 2003-2024 Free Software Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
diff --git a/m4/nocrash.m4 b/m4/nocrash.m4
index 6a766387618..9730fc09034 100644
--- a/m4/nocrash.m4
+++ b/m4/nocrash.m4
@@ -1,5 +1,5 @@
 # nocrash.m4 serial 5
-dnl Copyright (C) 2005, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2005, 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.
diff --git a/m4/nproc.m4 b/m4/nproc.m4
index 3065b7b9bff..9aec579f78b 100644
--- a/m4/nproc.m4
+++ b/m4/nproc.m4
@@ -1,5 +1,5 @@
 # nproc.m4 serial 5
-dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/nstrftime.m4 b/m4/nstrftime.m4
index 45b89f752a5..01725b2a331 100644
--- a/m4/nstrftime.m4
+++ b/m4/nstrftime.m4
@@ -1,6 +1,6 @@
 # serial 37
 
-# Copyright (C) 1996-1997, 1999-2007, 2009-2023 Free Software
+# Copyright (C) 1996-1997, 1999-2007, 2009-2024 Free Software
 # Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
diff --git a/m4/off_t.m4 b/m4/off_t.m4
index 880f347250a..f3259f9c245 100644
--- a/m4/off_t.m4
+++ b/m4/off_t.m4
@@ -1,5 +1,5 @@
 # off_t.m4 serial 1
-dnl Copyright (C) 2012-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2012-2024 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.
diff --git a/m4/open-cloexec.m4 b/m4/open-cloexec.m4
index fd572fcd1de..a2d50329b97 100644
--- a/m4/open-cloexec.m4
+++ b/m4/open-cloexec.m4
@@ -1,6 +1,6 @@
 # Test whether O_CLOEXEC is defined.
 
-dnl Copyright 2017-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/open-slash.m4 b/m4/open-slash.m4
index 1f731f8ad80..45310c0c581 100644
--- a/m4/open-slash.m4
+++ b/m4/open-slash.m4
@@ -1,5 +1,5 @@
 # open-slash.m4 serial 2
-dnl Copyright (C) 2007-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2024 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.
diff --git a/m4/open.m4 b/m4/open.m4
index 94fa2bb7530..edbd8b93c83 100644
--- a/m4/open.m4
+++ b/m4/open.m4
@@ -1,5 +1,5 @@
 # open.m4 serial 15
-dnl Copyright (C) 2007-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2024 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.
diff --git a/m4/pathmax.m4 b/m4/pathmax.m4
index 5b7fa4242bc..b7ce9ff1468 100644
--- a/m4/pathmax.m4
+++ b/m4/pathmax.m4
@@ -1,5 +1,5 @@
 # pathmax.m4 serial 11
-dnl Copyright (C) 2002-2003, 2005-2006, 2009-2023 Free Software
+dnl Copyright (C) 2002-2003, 2005-2006, 2009-2024 Free Software
 dnl Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/pid_t.m4 b/m4/pid_t.m4
index 0fd7d0a1810..8f8d39d81db 100644
--- a/m4/pid_t.m4
+++ b/m4/pid_t.m4
@@ -1,5 +1,5 @@
 # pid_t.m4 serial 4
-dnl Copyright (C) 2020-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/pipe2.m4 b/m4/pipe2.m4
index 501f3a4303d..f4119987f49 100644
--- a/m4/pipe2.m4
+++ b/m4/pipe2.m4
@@ -1,5 +1,5 @@
 # pipe2.m4 serial 2
-dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/pselect.m4 b/m4/pselect.m4
index 9f2b282cee0..3f6842253c1 100644
--- a/m4/pselect.m4
+++ b/m4/pselect.m4
@@ -1,5 +1,5 @@
 # pselect.m4 serial 10
-dnl Copyright (C) 2011-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/pthread_sigmask.m4 b/m4/pthread_sigmask.m4
index 5110668155e..91c0fb9893d 100644
--- a/m4/pthread_sigmask.m4
+++ b/m4/pthread_sigmask.m4
@@ -1,5 +1,5 @@
 # pthread_sigmask.m4 serial 21
-dnl Copyright (C) 2011-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/rawmemchr.m4 b/m4/rawmemchr.m4
index a48d829526f..57d1c2915e3 100644
--- a/m4/rawmemchr.m4
+++ b/m4/rawmemchr.m4
@@ -1,5 +1,5 @@
 # rawmemchr.m4 serial 3
-dnl Copyright (C) 2003, 2007-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2003, 2007-2024 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.
diff --git a/m4/readlink.m4 b/m4/readlink.m4
index 078b93aa9dc..b9e62b93afc 100644
--- a/m4/readlink.m4
+++ b/m4/readlink.m4
@@ -1,5 +1,5 @@
 # readlink.m4 serial 16
-dnl Copyright (C) 2003, 2007, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2003, 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.
diff --git a/m4/readlinkat.m4 b/m4/readlinkat.m4
index ffd0b8e9bc1..b7d068d5c8d 100644
--- a/m4/readlinkat.m4
+++ b/m4/readlinkat.m4
@@ -1,7 +1,7 @@
 # serial 6
 # See if we need to provide readlinkat replacement.
 
-dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/realloc.m4 b/m4/realloc.m4
index d22138fc7ac..89f9a5ad270 100644
--- a/m4/realloc.m4
+++ b/m4/realloc.m4
@@ -1,5 +1,5 @@
 # realloc.m4 serial 26
-dnl Copyright (C) 2007, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 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.
diff --git a/m4/regex.m4 b/m4/regex.m4
index c89a1432a7b..03a6864b0b4 100644
--- a/m4/regex.m4
+++ b/m4/regex.m4
@@ -1,6 +1,6 @@
 # serial 73
 
-# Copyright (C) 1996-2001, 2003-2023 Free Software Foundation, Inc.
+# Copyright (C) 1996-2001, 2003-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
diff --git a/m4/sha1.m4 b/m4/sha1.m4
index 16b79c0868b..c0a87536a5c 100644
--- a/m4/sha1.m4
+++ b/m4/sha1.m4
@@ -1,5 +1,5 @@
 # sha1.m4 serial 12
-dnl Copyright (C) 2002-2006, 2008-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/sha256.m4 b/m4/sha256.m4
index 4d1d1dda158..2dd754c1778 100644
--- a/m4/sha256.m4
+++ b/m4/sha256.m4
@@ -1,5 +1,5 @@
 # sha256.m4 serial 8
-dnl Copyright (C) 2005, 2008-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2005, 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.
diff --git a/m4/sha512.m4 b/m4/sha512.m4
index b66dc726d80..19d03b50271 100644
--- a/m4/sha512.m4
+++ b/m4/sha512.m4
@@ -1,5 +1,5 @@
 # sha512.m4 serial 9
-dnl Copyright (C) 2005-2006, 2008-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2005-2006, 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.
diff --git a/m4/sig2str.m4 b/m4/sig2str.m4
index 7aad94a9616..2cb77c58a46 100644
--- a/m4/sig2str.m4
+++ b/m4/sig2str.m4
@@ -1,5 +1,5 @@
 # serial 7
-dnl Copyright (C) 2002, 2005-2006, 2009-2023 Free Software Foundation,
+dnl Copyright (C) 2002, 2005-2006, 2009-2024 Free Software Foundation,
 dnl Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/sigdescr_np.m4 b/m4/sigdescr_np.m4
index da44b432c00..d844e2f9db7 100644
--- a/m4/sigdescr_np.m4
+++ b/m4/sigdescr_np.m4
@@ -1,5 +1,5 @@
 # sigdescr_np.m4 serial 2
-dnl Copyright (C) 2020-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/signal_h.m4 b/m4/signal_h.m4
index cdd6812f97c..6f7dcc733b4 100644
--- a/m4/signal_h.m4
+++ b/m4/signal_h.m4
@@ -1,5 +1,5 @@
 # signal_h.m4 serial 22
-dnl Copyright (C) 2007-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2024 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.
diff --git a/m4/socklen.m4 b/m4/socklen.m4
index 1c63a85363e..9c46db18937 100644
--- a/m4/socklen.m4
+++ b/m4/socklen.m4
@@ -1,5 +1,5 @@
 # socklen.m4 serial 11
-dnl Copyright (C) 2005-2007, 2009-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/ssize_t.m4 b/m4/ssize_t.m4
index 1b45e9557cc..787bf6dd363 100644
--- a/m4/ssize_t.m4
+++ b/m4/ssize_t.m4
@@ -1,5 +1,5 @@
 # ssize_t.m4 serial 5 (gettext-0.18.2)
-dnl Copyright (C) 2001-2003, 2006, 2010-2023 Free Software Foundation,
+dnl Copyright (C) 2001-2003, 2006, 2010-2024 Free Software Foundation,
 dnl Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/st_dm_mode.m4 b/m4/st_dm_mode.m4
index 819dd5677fc..fab2499e8fb 100644
--- a/m4/st_dm_mode.m4
+++ b/m4/st_dm_mode.m4
@@ -1,6 +1,6 @@
 # serial 6
 
-# Copyright (C) 1998-1999, 2001, 2009-2023 Free Software Foundation,
+# Copyright (C) 1998-1999, 2001, 2009-2024 Free Software Foundation,
 # Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
diff --git a/m4/stat-time.m4 b/m4/stat-time.m4
index 5b6b8101098..7535a4c7e5c 100644
--- a/m4/stat-time.m4
+++ b/m4/stat-time.m4
@@ -1,6 +1,6 @@
 # Checks for stat-related time functions.
 
-# Copyright (C) 1998-1999, 2001, 2003, 2005-2007, 2009-2023 Free
+# Copyright (C) 1998-1999, 2001, 2003, 2005-2007, 2009-2024 Free
 # Software Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
diff --git a/m4/std-gnu11.m4 b/m4/std-gnu11.m4
index 4179470ec94..59998c17cf7 100644
--- a/m4/std-gnu11.m4
+++ b/m4/std-gnu11.m4
@@ -9,7 +9,7 @@
 m4_version_prereq([2.70], [], [
 
 
-# Copyright (C) 2001-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001-2024 Free Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
diff --git a/m4/stdalign.m4 b/m4/stdalign.m4
index b1438eeaced..0239bbf66e5 100644
--- a/m4/stdalign.m4
+++ b/m4/stdalign.m4
@@ -1,6 +1,6 @@
 # Check for alignas and alignof that conform to C23.
 
-dnl Copyright 2011-2023 Free Software Foundation, Inc.
+dnl Copyright 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.
diff --git a/m4/stddef_h.m4 b/m4/stddef_h.m4
index c0553d6f2ff..3430bb58faf 100644
--- a/m4/stddef_h.m4
+++ b/m4/stddef_h.m4
@@ -1,5 +1,5 @@
 # stddef_h.m4 serial 12
-dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/stdint.m4 b/m4/stdint.m4
index d6961b0993e..67c05c28216 100644
--- a/m4/stdint.m4
+++ b/m4/stdint.m4
@@ -1,5 +1,5 @@
 # stdint.m4 serial 61
-dnl Copyright (C) 2001-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2001-2024 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.
diff --git a/m4/stdio_h.m4 b/m4/stdio_h.m4
index 94271e11e78..a2e0b6d684e 100644
--- a/m4/stdio_h.m4
+++ b/m4/stdio_h.m4
@@ -1,5 +1,5 @@
 # stdio_h.m4 serial 59
-dnl Copyright (C) 2007-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2024 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.
diff --git a/m4/stdlib_h.m4 b/m4/stdlib_h.m4
index e96be22f583..b859dcb2f3c 100644
--- a/m4/stdlib_h.m4
+++ b/m4/stdlib_h.m4
@@ -1,5 +1,5 @@
 # stdlib_h.m4 serial 66
-dnl Copyright (C) 2007-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2024 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.
diff --git a/m4/stpcpy.m4 b/m4/stpcpy.m4
index e8a76bc34f3..8fba4d26f06 100644
--- a/m4/stpcpy.m4
+++ b/m4/stpcpy.m4
@@ -1,5 +1,5 @@
 # stpcpy.m4 serial 9
-dnl Copyright (C) 2002, 2007, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 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.
diff --git a/m4/string_h.m4 b/m4/string_h.m4
index 15401e129cd..77648236c98 100644
--- a/m4/string_h.m4
+++ b/m4/string_h.m4
@@ -1,6 +1,6 @@
 # Configure a GNU-like replacement for <string.h>.
 
-# Copyright (C) 2007-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007-2024 Free Software Foundation, Inc.
 # 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.
diff --git a/m4/strnlen.m4 b/m4/strnlen.m4
index 60e8d81bf3b..16b351a3d41 100644
--- a/m4/strnlen.m4
+++ b/m4/strnlen.m4
@@ -1,5 +1,5 @@
 # strnlen.m4 serial 14
-dnl Copyright (C) 2002-2003, 2005-2007, 2009-2023 Free Software
+dnl Copyright (C) 2002-2003, 2005-2007, 2009-2024 Free Software
 dnl Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/strtoimax.m4 b/m4/strtoimax.m4
index 1c6ddd386a5..0708d7e1ce8 100644
--- a/m4/strtoimax.m4
+++ b/m4/strtoimax.m4
@@ -1,5 +1,5 @@
 # strtoimax.m4 serial 16
-dnl Copyright (C) 2002-2004, 2006, 2009-2023 Free Software Foundation,
+dnl Copyright (C) 2002-2004, 2006, 2009-2024 Free Software Foundation,
 dnl Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/strtoll.m4 b/m4/strtoll.m4
index 1e042175b18..0ce3a4258f3 100644
--- a/m4/strtoll.m4
+++ b/m4/strtoll.m4
@@ -1,5 +1,5 @@
 # strtoll.m4 serial 9
-dnl Copyright (C) 2002, 2004, 2006, 2008-2023 Free Software Foundation,
+dnl Copyright (C) 2002, 2004, 2006, 2008-2024 Free Software Foundation,
 dnl Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
diff --git a/m4/symlink.m4 b/m4/symlink.m4
index 7796ec8bbc0..f0242c52572 100644
--- a/m4/symlink.m4
+++ b/m4/symlink.m4
@@ -1,7 +1,7 @@
 # serial 9
 # See if we need to provide symlink replacement.
 
-dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/sys_random_h.m4 b/m4/sys_random_h.m4
index 01d5feebb31..b050d079b92 100644
--- a/m4/sys_random_h.m4
+++ b/m4/sys_random_h.m4
@@ -1,5 +1,5 @@
 # sys_random_h.m4 serial 8
-dnl Copyright (C) 2020-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/sys_select_h.m4 b/m4/sys_select_h.m4
index 4ec5ed7a09f..9e279fbab8d 100644
--- a/m4/sys_select_h.m4
+++ b/m4/sys_select_h.m4
@@ -1,5 +1,5 @@
 # sys_select_h.m4 serial 23
-dnl Copyright (C) 2006-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/sys_socket_h.m4 b/m4/sys_socket_h.m4
index 98a10416cae..af524849f03 100644
--- a/m4/sys_socket_h.m4
+++ b/m4/sys_socket_h.m4
@@ -1,5 +1,5 @@
 # sys_socket_h.m4 serial 29
-dnl Copyright (C) 2005-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2005-2024 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.
diff --git a/m4/sys_stat_h.m4 b/m4/sys_stat_h.m4
index ca57398aebd..75018537d57 100644
--- a/m4/sys_stat_h.m4
+++ b/m4/sys_stat_h.m4
@@ -1,5 +1,5 @@
 # sys_stat_h.m4 serial 42   -*- Autoconf -*-
-dnl Copyright (C) 2006-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/sys_time_h.m4 b/m4/sys_time_h.m4
index 45a1f8b0240..dc5353f3785 100644
--- a/m4/sys_time_h.m4
+++ b/m4/sys_time_h.m4
@@ -1,7 +1,7 @@
 # Configure a replacement for <sys/time.h>.
 # serial 12
 
-# Copyright (C) 2007, 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2007, 2009-2024 Free Software Foundation, Inc.
 # 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.
diff --git a/m4/sys_types_h.m4 b/m4/sys_types_h.m4
index 627671fbdf7..37d0ccad403 100644
--- a/m4/sys_types_h.m4
+++ b/m4/sys_types_h.m4
@@ -1,5 +1,5 @@
 # sys_types_h.m4 serial 13
-dnl Copyright (C) 2011-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/tempname.m4 b/m4/tempname.m4
index abed7991dab..31d35c83eb5 100644
--- a/m4/tempname.m4
+++ b/m4/tempname.m4
@@ -1,6 +1,6 @@
 #serial 5
 
-# Copyright (C) 2006-2007, 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2006-2007, 2009-2024 Free Software Foundation, Inc.
 # 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.
diff --git a/m4/time_h.m4 b/m4/time_h.m4
index fd4a469d192..5acf14b5f63 100644
--- a/m4/time_h.m4
+++ b/m4/time_h.m4
@@ -1,6 +1,6 @@
 # Configure a more-standard replacement for <time.h>.
 
-# Copyright (C) 2000-2001, 2003-2007, 2009-2023 Free Software
+# Copyright (C) 2000-2001, 2003-2007, 2009-2024 Free Software
 # Foundation, Inc.
 
 # serial 20
diff --git a/m4/time_r.m4 b/m4/time_r.m4
index adce438abf1..66ac2db4d50 100644
--- a/m4/time_r.m4
+++ b/m4/time_r.m4
@@ -1,6 +1,6 @@
 dnl Reentrant time functions: localtime_r, gmtime_r.
 
-dnl Copyright (C) 2003, 2006-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2003, 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.
diff --git a/m4/time_rz.m4 b/m4/time_rz.m4
index d13bc06b7a0..c3b72b7603b 100644
--- a/m4/time_rz.m4
+++ b/m4/time_rz.m4
@@ -1,6 +1,6 @@
 dnl Time zone functions: tzalloc, localtime_rz, etc.
 
-dnl Copyright (C) 2015-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2015-2024 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.
diff --git a/m4/timegm.m4 b/m4/timegm.m4
index 6079f1a39c8..d726d2d9595 100644
--- a/m4/timegm.m4
+++ b/m4/timegm.m4
@@ -1,5 +1,5 @@
 # timegm.m4 serial 13
-dnl Copyright (C) 2003, 2007, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2003, 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.
diff --git a/m4/timer_time.m4 b/m4/timer_time.m4
index 4c2608b58e8..e9c0fbd88cd 100644
--- a/m4/timer_time.m4
+++ b/m4/timer_time.m4
@@ -1,5 +1,5 @@
 # timer_time.m4 serial 5
-dnl Copyright (C) 2011-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/timespec.m4 b/m4/timespec.m4
index 354530319fe..0a1c90e550c 100644
--- a/m4/timespec.m4
+++ b/m4/timespec.m4
@@ -1,6 +1,6 @@
 #serial 15
 
-# Copyright (C) 2000-2001, 2003-2007, 2009-2023 Free Software
+# Copyright (C) 2000-2001, 2003-2007, 2009-2024 Free Software
 # Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
diff --git a/m4/tm_gmtoff.m4 b/m4/tm_gmtoff.m4
index bc41de361cc..f2e51597fdf 100644
--- a/m4/tm_gmtoff.m4
+++ b/m4/tm_gmtoff.m4
@@ -1,5 +1,5 @@
 # tm_gmtoff.m4 serial 3
-dnl Copyright (C) 2002, 2009-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/unistd_h.m4 b/m4/unistd_h.m4
index f4384027e37..f5ead753b87 100644
--- a/m4/unistd_h.m4
+++ b/m4/unistd_h.m4
@@ -1,5 +1,5 @@
 # unistd_h.m4 serial 90
-dnl Copyright (C) 2006-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/unlocked-io.m4 b/m4/unlocked-io.m4
index 407c0bac832..558f57d809b 100644
--- a/m4/unlocked-io.m4
+++ b/m4/unlocked-io.m4
@@ -1,6 +1,6 @@
 # unlocked-io.m4 serial 16
 
-# Copyright (C) 1998-2006, 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 1998-2006, 2009-2024 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
diff --git a/m4/utimens.m4 b/m4/utimens.m4
index ae35ef789b8..1de94a5a915 100644
--- a/m4/utimens.m4
+++ b/m4/utimens.m4
@@ -1,4 +1,4 @@
-dnl Copyright (C) 2003-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/utimensat.m4 b/m4/utimensat.m4
index dd210fc989a..d1b6c080a24 100644
--- a/m4/utimensat.m4
+++ b/m4/utimensat.m4
@@ -1,7 +1,7 @@
 # serial 9
 # See if we need to provide utimensat replacement.
 
-dnl Copyright (C) 2009-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/utimes.m4 b/m4/utimes.m4
index 73b9a2da34e..040b1af8050 100644
--- a/m4/utimes.m4
+++ b/m4/utimes.m4
@@ -1,7 +1,7 @@
 # Detect some bugs in glibc's implementation of utimes.
 # serial 8
 
-dnl Copyright (C) 2003-2005, 2009-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2003-2005, 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.
diff --git a/m4/vararrays.m4 b/m4/vararrays.m4
index fd6230c2968..164bf0c49a9 100644
--- a/m4/vararrays.m4
+++ b/m4/vararrays.m4
@@ -4,7 +4,7 @@
 
 # From Paul Eggert
 
-# Copyright (C) 2001, 2009-2023 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2009-2024 Free Software Foundation, Inc.
 # 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.
diff --git a/m4/warnings.m4 b/m4/warnings.m4
index 063bc5ca64a..560ab6bf946 100644
--- a/m4/warnings.m4
+++ b/m4/warnings.m4
@@ -1,5 +1,5 @@
 # warnings.m4 serial 16
-dnl Copyright (C) 2008-2023 Free Software Foundation, Inc.
+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.
diff --git a/m4/wchar_t.m4 b/m4/wchar_t.m4
index 50bde08aecb..94353571b00 100644
--- a/m4/wchar_t.m4
+++ b/m4/wchar_t.m4
@@ -1,5 +1,5 @@
 # wchar_t.m4 serial 4 (gettext-0.18.2)
-dnl Copyright (C) 2002-2003, 2008-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2003, 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.
diff --git a/m4/year2038.m4 b/m4/year2038.m4
index 78b267a088e..189a218bbb9 100644
--- a/m4/year2038.m4
+++ b/m4/year2038.m4
@@ -1,5 +1,5 @@
 # year2038.m4 serial 8
-dnl Copyright (C) 2017-2023 Free Software Foundation, Inc.
+dnl Copyright (C) 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.
diff --git a/m4/zzgnulib.m4 b/m4/zzgnulib.m4
index 362102b6069..eed5ecbfe1e 100644
--- a/m4/zzgnulib.m4
+++ b/m4/zzgnulib.m4
@@ -1,5 +1,5 @@
 # zzgnulib.m4 serial 1
-dnl Copyright (C) 2020-2023 Free Software Foundation, Inc.
+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.