Update copyright year to 2019

Run 'TZ=UTC0 admin/update-copyright $(git ls-files)'.

109 files changed, 129 insertions, 114 deletions

diff --git a/m4/00gnulib.m4 b/m4/00gnulib.m4
index bd24796a670..e3e0fb6daa2 100644
--- a/m4/00gnulib.m4
+++ b/m4/00gnulib.m4
@@ -1,5 +1,5 @@
 # 00gnulib.m4 serial 3
-dnl Copyright (C) 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2019 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 4e67e5fab2a..a8f2cba173f 100644
--- a/m4/absolute-header.m4
+++ b/m4/absolute-header.m4
@@ -1,5 +1,5 @@
 # absolute-header.m4 serial 16
-dnl Copyright (C) 2006-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2019 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 485cf9af08b..9ee7bbbde47 100644
--- a/m4/acl.m4
+++ b/m4/acl.m4
@@ -1,7 +1,7 @@
 # acl.m4 - check for access control list (ACL) primitives
 # serial 22
 
-# Copyright (C) 2002, 2004-2018 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2004-2019 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 b9d94e89a74..c379eea1da4 100644
--- a/m4/alloca.m4
+++ b/m4/alloca.m4
@@ -1,6 +1,6 @@
 # alloca.m4 serial 14
-dnl Copyright (C) 2002-2004, 2006-2007, 2009-2018 Free Software Foundation,
-dnl Inc.
+dnl Copyright (C) 2002-2004, 2006-2007, 2009-2019 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,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/byteswap.m4 b/m4/byteswap.m4
index c64238f25a1..05fc6cd58e4 100644
--- a/m4/byteswap.m4
+++ b/m4/byteswap.m4
@@ -1,5 +1,5 @@
 # byteswap.m4 serial 4
-dnl Copyright (C) 2005, 2007, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2005, 2007, 2009-2019 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-strtod.m4 b/m4/c-strtod.m4
index ccff0e6e8a2..5b6e8297310 100644
--- a/m4/c-strtod.m4
+++ b/m4/c-strtod.m4
@@ -1,6 +1,6 @@
 # c-strtod.m4 serial 15
 
-# Copyright (C) 2004-2006, 2009-2018 Free Software Foundation, Inc.
+# Copyright (C) 2004-2006, 2009-2019 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/clock_time.m4 b/m4/clock_time.m4
index 47791f9211e..8f7a7fcd103 100644
--- a/m4/clock_time.m4
+++ b/m4/clock_time.m4
@@ -1,5 +1,5 @@
 # clock_time.m4 serial 10
-dnl Copyright (C) 2002-2006, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2006, 2009-2019 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/close-stream.m4 b/m4/close-stream.m4
index c9bf62e9572..5d31221b0cf 100644
--- a/m4/close-stream.m4
+++ b/m4/close-stream.m4
@@ -1,5 +1,5 @@
 #serial 4
-dnl Copyright (C) 2006-2007, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2007, 2009-2019 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/count-leading-zeros.m4 b/m4/count-leading-zeros.m4
index 99ffdb261d1..efe31f9911d 100644
--- a/m4/count-leading-zeros.m4
+++ b/m4/count-leading-zeros.m4
@@ -1,5 +1,5 @@
 # count-leading-zeros.m4 serial 2
-dnl Copyright (C) 2012-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2012-2019 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/count-one-bits.m4 b/m4/count-one-bits.m4
index dead235b606..b4721b549cc 100644
--- a/m4/count-one-bits.m4
+++ b/m4/count-one-bits.m4
@@ -1,5 +1,5 @@
 # count-one-bits.m4 serial 3
-dnl Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2007, 2009-2019 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/count-trailing-zeros.m4 b/m4/count-trailing-zeros.m4
index 2bb97674121..94a8f7f2e1f 100644
--- a/m4/count-trailing-zeros.m4
+++ b/m4/count-trailing-zeros.m4
@@ -1,5 +1,5 @@
 # count-trailing-zeros.m4
-dnl Copyright (C) 2013-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2013-2019 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 ab6463d71d5..d5c5f1e02b4 100644
--- a/m4/d-type.m4
+++ b/m4/d-type.m4
@@ -5,7 +5,8 @@ dnl
 dnl Check whether struct dirent has a member named d_type.
 dnl
 
-# Copyright (C) 1997, 1999-2004, 2006, 2009-2018 Free Software Foundation, Inc.
+# Copyright (C) 1997, 1999-2004, 2006, 2009-2019 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/dirent_h.m4 b/m4/dirent_h.m4
index b054a920b52..732aa554c20 100644
--- a/m4/dirent_h.m4
+++ b/m4/dirent_h.m4
@@ -1,5 +1,5 @@
 # dirent_h.m4 serial 16
-dnl Copyright (C) 2008-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2008-2019 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 48589b916fc..5c7586997fd 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, 2008-2018 Free Software Foundation, Inc.
+# Copyright (C) 2001-2006, 2008-2019 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/dup2.m4 b/m4/dup2.m4
index c785d37339a..28db4d64851 100644
--- a/m4/dup2.m4
+++ b/m4/dup2.m4
@@ -1,5 +1,6 @@
 #serial 25
-dnl Copyright (C) 2002, 2005, 2007, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2005, 2007, 2009-2019 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,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/environ.m4 b/m4/environ.m4
index 68b67eaca4e..974bd56adb3 100644
--- a/m4/environ.m4
+++ b/m4/environ.m4
@@ -1,5 +1,5 @@
 # environ.m4 serial 6
-dnl Copyright (C) 2001-2004, 2006-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2001-2004, 2006-2019 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 9dbdedd505a..0dd8f44ff71 100644
--- a/m4/errno_h.m4
+++ b/m4/errno_h.m4
@@ -1,5 +1,5 @@
 # errno_h.m4 serial 12
-dnl Copyright (C) 2004, 2006, 2008-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2004, 2006, 2008-2019 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 8a562822e46..8e840e63c2f 100644
--- a/m4/euidaccess.m4
+++ b/m4/euidaccess.m4
@@ -1,5 +1,5 @@
 # euidaccess.m4 serial 15
-dnl Copyright (C) 2002-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2019 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 c39231d04a6..b291c0a4cb4 100644
--- a/m4/execinfo.m4
+++ b/m4/execinfo.m4
@@ -1,6 +1,6 @@
 # Check for GNU-style execinfo.h.
 
-dnl Copyright 2012-2018 Free Software Foundation, Inc.
+dnl Copyright 2012-2019 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 ba0eefeb4f3..1357b59d5b7 100644
--- a/m4/explicit_bzero.m4
+++ b/m4/explicit_bzero.m4
@@ -1,4 +1,4 @@
-dnl Copyright 2017-2018 Free Software Foundation, Inc.
+dnl Copyright 2017-2019 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 d1b23215b05..1a8e899d369 100644
--- a/m4/extensions.m4
+++ b/m4/extensions.m4
@@ -1,7 +1,7 @@
 # serial 17  -*- Autoconf -*-
 # Enable extensions on systems that normally disable them.
 
-# Copyright (C) 2003, 2006-2018 Free Software Foundation, Inc.
+# Copyright (C) 2003, 2006-2019 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 da8a2cc01c7..a33d2a9e71d 100644
--- a/m4/extern-inline.m4
+++ b/m4/extern-inline.m4
@@ -1,6 +1,6 @@
 dnl 'extern inline' a la ISO C99.
 
-dnl Copyright 2012-2018 Free Software Foundation, Inc.
+dnl Copyright 2012-2019 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 eb6df9ad4e9..6c7d79b0081 100644
--- a/m4/faccessat.m4
+++ b/m4/faccessat.m4
@@ -1,7 +1,7 @@
 # serial 8
 # See if we need to provide faccessat replacement.
 
-dnl Copyright (C) 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2019 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 46b2445191f..e409e96b1c8 100644
--- a/m4/fcntl.m4
+++ b/m4/fcntl.m4
@@ -1,5 +1,5 @@
 # fcntl.m4 serial 9
-dnl Copyright (C) 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2019 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 9fd3ab1a829..a86fdae5feb 100644
--- a/m4/fcntl_h.m4
+++ b/m4/fcntl_h.m4
@@ -1,6 +1,6 @@
 # serial 15
 # Configure fcntl.h.
-dnl Copyright (C) 2006-2007, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2007, 2009-2019 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/fdatasync.m4 b/m4/fdatasync.m4
index fd8e4320d21..c2ea85e4dfd 100644
--- a/m4/fdatasync.m4
+++ b/m4/fdatasync.m4
@@ -1,5 +1,5 @@
 # fdatasync.m4 serial 4
-dnl Copyright (C) 2008-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2008-2019 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 df44d5edfb4..04905519d0b 100644
--- a/m4/fdopendir.m4
+++ b/m4/fdopendir.m4
@@ -1,7 +1,7 @@
 # serial 10
 # See if we need to provide fdopendir.
 
-dnl Copyright (C) 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2019 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 dd649a418ce..82ca2a626f5 100644
--- a/m4/filemode.m4
+++ b/m4/filemode.m4
@@ -1,5 +1,6 @@
 # filemode.m4 serial 8
-dnl Copyright (C) 2002, 2005-2006, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2005-2006, 2009-2019 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,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/flexmember.m4 b/m4/flexmember.m4
index db93cf35882..1347068fe3c 100644
--- a/m4/flexmember.m4
+++ b/m4/flexmember.m4
@@ -1,7 +1,7 @@
 # serial 5
 # Check for flexible array member support.
 
-# Copyright (C) 2006, 2009-2018 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2009-2019 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 c897073de71..402ec403316 100644
--- a/m4/fpending.m4
+++ b/m4/fpending.m4
@@ -1,6 +1,6 @@
 # serial 22
 
-# Copyright (C) 2000-2001, 2004-2018 Free Software Foundation, Inc.
+# Copyright (C) 2000-2001, 2004-2019 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 b58840f789d..ea1d5dad4a8 100644
--- a/m4/fpieee.m4
+++ b/m4/fpieee.m4
@@ -1,5 +1,5 @@
 # fpieee.m4 serial 2  -*- coding: utf-8 -*-
-dnl Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2007, 2009-2019 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/fstatat.m4 b/m4/fstatat.m4
index ac353bf9ca5..489a55a3151 100644
--- a/m4/fstatat.m4
+++ b/m4/fstatat.m4
@@ -1,5 +1,5 @@
 # fstatat.m4 serial 4
-dnl Copyright (C) 2004-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2004-2019 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/fsync.m4 b/m4/fsync.m4
index d7fa8cc2248..1b94a258f97 100644
--- a/m4/fsync.m4
+++ b/m4/fsync.m4
@@ -1,5 +1,5 @@
 # fsync.m4 serial 2
-dnl Copyright (C) 2008-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2008-2019 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 4cc1a8ff21e..96aa241b192 100644
--- a/m4/getdtablesize.m4
+++ b/m4/getdtablesize.m4
@@ -1,5 +1,5 @@
 # getdtablesize.m4 serial 7
-dnl Copyright (C) 2008-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2008-2019 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 d38240259f0..33c32a70f80 100644
--- a/m4/getgroups.m4
+++ b/m4/getgroups.m4
@@ -3,7 +3,8 @@
 dnl From Jim Meyering.
 dnl A wrapper around AC_FUNC_GETGROUPS.
 
-# Copyright (C) 1996-1997, 1999-2004, 2008-2018 Free Software Foundation, Inc.
+# Copyright (C) 1996-1997, 1999-2004, 2008-2019 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/getloadavg.m4 b/m4/getloadavg.m4
index acc266531ed..58015fe4722 100644
--- a/m4/getloadavg.m4
+++ b/m4/getloadavg.m4
@@ -1,7 +1,7 @@
 # Check for getloadavg.
 
-# Copyright (C) 1992-1996, 1999-2000, 2002-2003, 2006, 2008-2018 Free Software
-# Foundation, Inc.
+# Copyright (C) 1992-1996, 1999-2000, 2002-2003, 2006, 2008-2019 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/getopt.m4 b/m4/getopt.m4
index 0496250de0f..5991bf83e89 100644
--- a/m4/getopt.m4
+++ b/m4/getopt.m4
@@ -1,5 +1,5 @@
 # getopt.m4 serial 46
-dnl Copyright (C) 2002-2006, 2008-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2006, 2008-2019 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 ad355463cce..d52d66b8932 100644
--- a/m4/gettime.m4
+++ b/m4/gettime.m4
@@ -1,5 +1,6 @@
 # gettime.m4 serial 8
-dnl Copyright (C) 2002, 2004-2006, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2004-2006, 2009-2019 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,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/gettimeofday.m4 b/m4/gettimeofday.m4
index 198695ea7b0..58a7ab78c1b 100644
--- a/m4/gettimeofday.m4
+++ b/m4/gettimeofday.m4
@@ -1,6 +1,7 @@
 # serial 25
 
-# Copyright (C) 2001-2003, 2005, 2007, 2009-2018 Free Software Foundation, Inc.
+# Copyright (C) 2001-2003, 2005, 2007, 2009-2019 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/gnulib-common.m4 b/m4/gnulib-common.m4
index de65f6b82e8..3f74cb4d038 100644
--- a/m4/gnulib-common.m4
+++ b/m4/gnulib-common.m4
@@ -1,5 +1,5 @@
 # gnulib-common.m4 serial 38
-dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2019 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 e30ff1f828f..a555e2561b9 100644
--- a/m4/gnulib-comp.m4
+++ b/m4/gnulib-comp.m4
@@ -1,5 +1,5 @@
 # DO NOT EDIT! GENERATED AUTOMATICALLY!
-# Copyright (C) 2002-2018 Free Software Foundation, Inc.
+# Copyright (C) 2002-2019 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 2a14dcf511a..dc87cd9601b 100644
--- a/m4/group-member.m4
+++ b/m4/group-member.m4
@@ -1,6 +1,7 @@
 # serial 14
 
-# Copyright (C) 1999-2001, 2003-2007, 2009-2018 Free Software Foundation, Inc.
+# Copyright (C) 1999-2001, 2003-2007, 2009-2019 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/include_next.m4 b/m4/include_next.m4
index a363cb013be..86eb2c97c92 100644
--- a/m4/include_next.m4
+++ b/m4/include_next.m4
@@ -1,5 +1,5 @@
 # include_next.m4 serial 24
-dnl Copyright (C) 2006-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2019 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 8069493cab5..f57350a5276 100644
--- a/m4/inttypes.m4
+++ b/m4/inttypes.m4
@@ -1,5 +1,5 @@
 # inttypes.m4 serial 26
-dnl Copyright (C) 2006-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2019 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 bec7cd13bca..1938188c17b 100644
--- a/m4/largefile.m4
+++ b/m4/largefile.m4
@@ -1,6 +1,6 @@
 # Enable large files on systems where this is not the default.
 
-# Copyright 1992-1996, 1998-2018 Free Software Foundation, Inc.
+# Copyright 1992-1996, 1998-2019 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/limits-h.m4 b/m4/limits-h.m4
index 511dcef5e04..73e27c6558e 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 2016-2018 Free Software Foundation, Inc.
+dnl Copyright 2016-2019 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/localtime-buffer.m4 b/m4/localtime-buffer.m4
index 4b3ec57bfb2..6d9982879bd 100644
--- a/m4/localtime-buffer.m4
+++ b/m4/localtime-buffer.m4
@@ -1,5 +1,5 @@
 # localtime-buffer.m4 serial 1
-dnl Copyright (C) 2017-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2017-2019 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/longlong.m4 b/m4/longlong.m4
index 27e63265a81..7d45d5e52e0 100644
--- a/m4/longlong.m4
+++ b/m4/longlong.m4
@@ -1,5 +1,5 @@
 # longlong.m4 serial 17
-dnl Copyright (C) 1999-2007, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 1999-2007, 2009-2019 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 ac6f143ce7d..ef6b457a94d 100644
--- a/m4/lstat.m4
+++ b/m4/lstat.m4
@@ -1,6 +1,6 @@
 # serial 31
 
-# Copyright (C) 1997-2001, 2003-2018 Free Software Foundation, Inc.
+# Copyright (C) 1997-2001, 2003-2019 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/manywarnings.m4 b/m4/manywarnings.m4
index dda3d468aef..72fdd418607 100644
--- a/m4/manywarnings.m4
+++ b/m4/manywarnings.m4
@@ -1,5 +1,5 @@
 # manywarnings.m4 serial 13
-dnl Copyright (C) 2008-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2008-2019 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 5f64f6e6be3..59140f57345 100644
--- a/m4/md5.m4
+++ b/m4/md5.m4
@@ -1,5 +1,5 @@
 # md5.m4 serial 14
-dnl Copyright (C) 2002-2006, 2008-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2006, 2008-2019 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/memrchr.m4 b/m4/memrchr.m4
index a036b3911f0..c4ac8c180c5 100644
--- a/m4/memrchr.m4
+++ b/m4/memrchr.m4
@@ -1,6 +1,6 @@
 # memrchr.m4 serial 10
-dnl Copyright (C) 2002-2003, 2005-2007, 2009-2018 Free Software Foundation,
-dnl Inc.
+dnl Copyright (C) 2002-2003, 2005-2007, 2009-2019 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,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/minmax.m4 b/m4/minmax.m4
index 5e885087470..1e0d30b9806 100644
--- a/m4/minmax.m4
+++ b/m4/minmax.m4
@@ -1,5 +1,5 @@
 # minmax.m4 serial 4
-dnl Copyright (C) 2005, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2005, 2009-2019 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 245598e5476..56f566c9127 100644
--- a/m4/mkostemp.m4
+++ b/m4/mkostemp.m4
@@ -1,5 +1,5 @@
 # mkostemp.m4 serial 2
-dnl Copyright (C) 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2019 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 4b3e399be9f..47cbefba1a5 100644
--- a/m4/mktime.m4
+++ b/m4/mktime.m4
@@ -1,6 +1,6 @@
 # serial 30
-dnl Copyright (C) 2002-2003, 2005-2007, 2009-2018 Free Software Foundation,
-dnl Inc.
+dnl Copyright (C) 2002-2003, 2005-2007, 2009-2019 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,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/mode_t.m4 b/m4/mode_t.m4
index 83e276c53c7..ba840dca99d 100644
--- a/m4/mode_t.m4
+++ b/m4/mode_t.m4
@@ -1,5 +1,5 @@
 # mode_t.m4 serial 2
-dnl Copyright (C) 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2019 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 38a11cc1d94..d48316e0ed7 100644
--- a/m4/multiarch.m4
+++ b/m4/multiarch.m4
@@ -1,5 +1,5 @@
 # multiarch.m4 serial 7
-dnl Copyright (C) 2008-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2008-2019 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/nocrash.m4 b/m4/nocrash.m4
index 87b2d4cbf69..4735f04b402 100644
--- a/m4/nocrash.m4
+++ b/m4/nocrash.m4
@@ -1,5 +1,5 @@
 # nocrash.m4 serial 4
-dnl Copyright (C) 2005, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2005, 2009-2019 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 bbb1f05409a..67fcd140589 100644
--- a/m4/nstrftime.m4
+++ b/m4/nstrftime.m4
@@ -1,6 +1,7 @@
 # serial 34
 
-# Copyright (C) 1996-1997, 1999-2007, 2009-2018 Free Software Foundation, Inc.
+# Copyright (C) 1996-1997, 1999-2007, 2009-2019 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/off_t.m4 b/m4/off_t.m4
index f4d578751d5..711a2d44fbe 100644
--- a/m4/off_t.m4
+++ b/m4/off_t.m4
@@ -1,5 +1,5 @@
 # off_t.m4 serial 1
-dnl Copyright (C) 2012-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2012-2019 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 a272784eb06..52498d953b8 100644
--- a/m4/open-cloexec.m4
+++ b/m4/open-cloexec.m4
@@ -1,6 +1,6 @@
 # Test whether O_CLOEXEC is defined.
 
-dnl Copyright 2017-2018 Free Software Foundation, Inc.
+dnl Copyright 2017-2019 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 8b3d4024e11..5d73f4de1ac 100644
--- a/m4/open.m4
+++ b/m4/open.m4
@@ -1,5 +1,5 @@
 # open.m4 serial 15
-dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2019 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 c081b44909a..03008eb0368 100644
--- a/m4/pipe2.m4
+++ b/m4/pipe2.m4
@@ -1,5 +1,5 @@
 # pipe2.m4 serial 2
-dnl Copyright (C) 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2019 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 edf4d828209..d85aa6a6fad 100644
--- a/m4/pselect.m4
+++ b/m4/pselect.m4
@@ -1,5 +1,5 @@
 # pselect.m4 serial 6
-dnl Copyright (C) 2011-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2011-2019 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 a33b433c0ef..ca614294228 100644
--- a/m4/pthread_sigmask.m4
+++ b/m4/pthread_sigmask.m4
@@ -1,5 +1,5 @@
 # pthread_sigmask.m4 serial 16
-dnl Copyright (C) 2011-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2011-2019 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/putenv.m4 b/m4/putenv.m4
index f2a76b22bd8..f8960f66be5 100644
--- a/m4/putenv.m4
+++ b/m4/putenv.m4
@@ -1,5 +1,5 @@
 # putenv.m4 serial 22
-dnl Copyright (C) 2002-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2019 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 9d73f5cfa18..f76bcf9c9ab 100644
--- a/m4/readlink.m4
+++ b/m4/readlink.m4
@@ -1,5 +1,5 @@
 # readlink.m4 serial 13
-dnl Copyright (C) 2003, 2007, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2003, 2007, 2009-2019 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 b3e447cbf48..b63f213d925 100644
--- a/m4/readlinkat.m4
+++ b/m4/readlinkat.m4
@@ -1,7 +1,7 @@
 # serial 5
 # See if we need to provide readlinkat replacement.
 
-dnl Copyright (C) 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2019 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/sha1.m4 b/m4/sha1.m4
index 99006f7a4e7..bb74fc72f22 100644
--- a/m4/sha1.m4
+++ b/m4/sha1.m4
@@ -1,5 +1,5 @@
 # sha1.m4 serial 12
-dnl Copyright (C) 2002-2006, 2008-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2006, 2008-2019 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 cdc656af14b..929583df1c7 100644
--- a/m4/sha256.m4
+++ b/m4/sha256.m4
@@ -1,5 +1,5 @@
 # sha256.m4 serial 8
-dnl Copyright (C) 2005, 2008-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2005, 2008-2019 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 ac5257c4b38..d5f5594dc7b 100644
--- a/m4/sha512.m4
+++ b/m4/sha512.m4
@@ -1,5 +1,5 @@
 # sha512.m4 serial 9
-dnl Copyright (C) 2005-2006, 2008-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2005-2006, 2008-2019 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 b175706d70d..8c90e10477e 100644
--- a/m4/sig2str.m4
+++ b/m4/sig2str.m4
@@ -1,5 +1,6 @@
 # serial 7
-dnl Copyright (C) 2002, 2005-2006, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2005-2006, 2009-2019 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,
 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 394b91d3b24..3acec64f881 100644
--- a/m4/signal_h.m4
+++ b/m4/signal_h.m4
@@ -1,5 +1,5 @@
 # signal_h.m4 serial 18
-dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2019 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 f2d996d0eb8..3cb6625ca9a 100644
--- a/m4/socklen.m4
+++ b/m4/socklen.m4
@@ -1,5 +1,5 @@
 # socklen.m4 serial 10
-dnl Copyright (C) 2005-2007, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2005-2007, 2009-2019 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 0977f205f3d..117b0ca9b07 100644
--- a/m4/ssize_t.m4
+++ b/m4/ssize_t.m4
@@ -1,5 +1,6 @@
 # ssize_t.m4 serial 5 (gettext-0.18.2)
-dnl Copyright (C) 2001-2003, 2006, 2010-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2001-2003, 2006, 2010-2019 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,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/st_dm_mode.m4 b/m4/st_dm_mode.m4
index 0fa7afad1f2..cad31460521 100644
--- a/m4/st_dm_mode.m4
+++ b/m4/st_dm_mode.m4
@@ -1,6 +1,7 @@
 # serial 6
 
-# Copyright (C) 1998-1999, 2001, 2009-2018 Free Software Foundation, Inc.
+# Copyright (C) 1998-1999, 2001, 2009-2019 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/stat-time.m4 b/m4/stat-time.m4
index d0d17ed4ff7..8fe9efbd9c4 100644
--- a/m4/stat-time.m4
+++ b/m4/stat-time.m4
@@ -1,7 +1,7 @@
 # Checks for stat-related time functions.
 
-# Copyright (C) 1998-1999, 2001, 2003, 2005-2007, 2009-2018 Free Software
-# Foundation, Inc.
+# Copyright (C) 1998-1999, 2001, 2003, 2005-2007, 2009-2019 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/std-gnu11.m4 b/m4/std-gnu11.m4
index c85ac430150..207fcec6c23 100644
--- a/m4/std-gnu11.m4
+++ b/m4/std-gnu11.m4
@@ -7,7 +7,7 @@
 # or later is installed everywhere a Gnulib program might be developed.
 
 
-# Copyright (C) 2001-2018 Free Software Foundation, Inc.
+# Copyright (C) 2001-2019 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 c74fe9b70b6..601fd21f03b 100644
--- a/m4/stdalign.m4
+++ b/m4/stdalign.m4
@@ -1,6 +1,6 @@
 # Check for stdalign.h that conforms to C11.
 
-dnl Copyright 2011-2018 Free Software Foundation, Inc.
+dnl Copyright 2011-2019 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 ba3d201cf37..7f6be5b2937 100644
--- a/m4/stddef_h.m4
+++ b/m4/stddef_h.m4
@@ -1,6 +1,6 @@
 dnl A placeholder for <stddef.h>, for platforms that have issues.
 # stddef_h.m4 serial 5
-dnl Copyright (C) 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2019 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 b86184c2ea6..0f58055b770 100644
--- a/m4/stdint.m4
+++ b/m4/stdint.m4
@@ -1,5 +1,5 @@
 # stdint.m4 serial 51
-dnl Copyright (C) 2001-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2001-2019 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 e06461e6934..d507372d090 100644
--- a/m4/stdio_h.m4
+++ b/m4/stdio_h.m4
@@ -1,5 +1,5 @@
 # stdio_h.m4 serial 48
-dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2019 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 eff6f9e685b..881704f6f3c 100644
--- a/m4/stdlib_h.m4
+++ b/m4/stdlib_h.m4
@@ -1,5 +1,5 @@
 # stdlib_h.m4 serial 44
-dnl Copyright (C) 2007-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2019 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 e431fd86d85..7af2e8189e1 100644
--- a/m4/stpcpy.m4
+++ b/m4/stpcpy.m4
@@ -1,5 +1,5 @@
 # stpcpy.m4 serial 8
-dnl Copyright (C) 2002, 2007, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2007, 2009-2019 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 97c80dcc157..0c0e3a71af3 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) 2007-2018 Free Software Foundation, Inc.
+# Copyright (C) 2007-2019 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/strtoimax.m4 b/m4/strtoimax.m4
index d3259f35d55..b236e1b219e 100644
--- a/m4/strtoimax.m4
+++ b/m4/strtoimax.m4
@@ -1,5 +1,6 @@
 # strtoimax.m4 serial 15
-dnl Copyright (C) 2002-2004, 2006, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2004, 2006, 2009-2019 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,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/strtoll.m4 b/m4/strtoll.m4
index 5f348522df4..add5156c468 100644
--- a/m4/strtoll.m4
+++ b/m4/strtoll.m4
@@ -1,5 +1,6 @@
 # strtoll.m4 serial 7
-dnl Copyright (C) 2002, 2004, 2006, 2008-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2004, 2006, 2008-2019 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,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/symlink.m4 b/m4/symlink.m4
index a452f7cc3a8..277614e0443 100644
--- a/m4/symlink.m4
+++ b/m4/symlink.m4
@@ -1,7 +1,7 @@
 # serial 7
 # See if we need to provide symlink replacement.
 
-dnl Copyright (C) 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2019 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 8e9eff4bc07..918212a9465 100644
--- a/m4/sys_select_h.m4
+++ b/m4/sys_select_h.m4
@@ -1,5 +1,5 @@
 # sys_select_h.m4 serial 20
-dnl Copyright (C) 2006-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2019 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 f21037879d8..1ea7b0b3f32 100644
--- a/m4/sys_socket_h.m4
+++ b/m4/sys_socket_h.m4
@@ -1,5 +1,5 @@
 # sys_socket_h.m4 serial 23
-dnl Copyright (C) 2005-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2005-2019 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 52f06aa8e8e..361ac3fc141 100644
--- a/m4/sys_stat_h.m4
+++ b/m4/sys_stat_h.m4
@@ -1,5 +1,5 @@
 # sys_stat_h.m4 serial 31   -*- Autoconf -*-
-dnl Copyright (C) 2006-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2019 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 d7e9268db5b..3d9233aa998 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 9
 
-# Copyright (C) 2007, 2009-2018 Free Software Foundation, Inc.
+# Copyright (C) 2007, 2009-2019 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 2debfb0d5b7..be0655900d5 100644
--- a/m4/sys_types_h.m4
+++ b/m4/sys_types_h.m4
@@ -1,5 +1,5 @@
 # sys_types_h.m4 serial 9
-dnl Copyright (C) 2011-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2011-2019 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 ed813f173a8..664a6322f38 100644
--- a/m4/tempname.m4
+++ b/m4/tempname.m4
@@ -1,6 +1,6 @@
 #serial 5
 
-# Copyright (C) 2006-2007, 2009-2018 Free Software Foundation, Inc.
+# Copyright (C) 2006-2007, 2009-2019 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 ad6f2f591c9..1e2990fc187 100644
--- a/m4/time_h.m4
+++ b/m4/time_h.m4
@@ -1,6 +1,7 @@
 # Configure a more-standard replacement for <time.h>.
 
-# Copyright (C) 2000-2001, 2003-2007, 2009-2018 Free Software Foundation, Inc.
+# Copyright (C) 2000-2001, 2003-2007, 2009-2019 Free Software
+# Foundation, Inc.
 
 # serial 11
 
diff --git a/m4/time_r.m4 b/m4/time_r.m4
index daf4bbae490..5caeca75093 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, 2006-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2003, 2006-2019 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 43781489786..1f4bb4f4f0a 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) 2015-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2015-2019 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 46f599c1ebb..d9d40de69a7 100644
--- a/m4/timegm.m4
+++ b/m4/timegm.m4
@@ -1,5 +1,5 @@
 # timegm.m4 serial 12
-dnl Copyright (C) 2003, 2007, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2003, 2007, 2009-2019 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 d5c35c578df..2c9b93c63b8 100644
--- a/m4/timer_time.m4
+++ b/m4/timer_time.m4
@@ -1,5 +1,5 @@
 # timer_time.m4 serial 3
-dnl Copyright (C) 2011-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2011-2019 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 accabf9c433..cea97cde1ca 100644
--- a/m4/timespec.m4
+++ b/m4/timespec.m4
@@ -1,6 +1,7 @@
 #serial 15
 
-# Copyright (C) 2000-2001, 2003-2007, 2009-2018 Free Software Foundation, Inc.
+# Copyright (C) 2000-2001, 2003-2007, 2009-2019 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/tm_gmtoff.m4 b/m4/tm_gmtoff.m4
index 56c48a61044..31b841fe597 100644
--- a/m4/tm_gmtoff.m4
+++ b/m4/tm_gmtoff.m4
@@ -1,5 +1,5 @@
 # tm_gmtoff.m4 serial 3
-dnl Copyright (C) 2002, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2009-2019 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 b3b71ec2709..a7445a48393 100644
--- a/m4/unistd_h.m4
+++ b/m4/unistd_h.m4
@@ -1,5 +1,5 @@
 # unistd_h.m4 serial 71
-dnl Copyright (C) 2006-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2019 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 7e46367f425..ea55a1a2d82 100644
--- a/m4/unlocked-io.m4
+++ b/m4/unlocked-io.m4
@@ -1,6 +1,6 @@
 # unlocked-io.m4 serial 15
 
-# Copyright (C) 1998-2006, 2009-2018 Free Software Foundation, Inc.
+# Copyright (C) 1998-2006, 2009-2019 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/utimbuf.m4 b/m4/utimbuf.m4
index a0143510623..a950aa9f0e5 100644
--- a/m4/utimbuf.m4
+++ b/m4/utimbuf.m4
@@ -1,6 +1,6 @@
 # serial 9
 
-# Copyright (C) 1998-2001, 2003-2004, 2007, 2009-2018 Free Software
+# Copyright (C) 1998-2001, 2003-2004, 2007, 2009-2019 Free Software
 # Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
diff --git a/m4/utimens.m4 b/m4/utimens.m4
index 16798a0ad1e..479fecc0b87 100644
--- a/m4/utimens.m4
+++ b/m4/utimens.m4
@@ -1,4 +1,4 @@
-dnl Copyright (C) 2003-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2003-2019 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 f62d5f8b655..7209b6dd599 100644
--- a/m4/utimes.m4
+++ b/m4/utimes.m4
@@ -1,7 +1,7 @@
 # Detect some bugs in glibc's implementation of utimes.
 # serial 5
 
-dnl Copyright (C) 2003-2005, 2009-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2003-2005, 2009-2019 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 329eb490c3c..09a815036a2 100644
--- a/m4/vararrays.m4
+++ b/m4/vararrays.m4
@@ -4,7 +4,7 @@
 
 # From Paul Eggert
 
-# Copyright (C) 2001, 2009-2018 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2009-2019 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 eb1c795c598..dadcea29c16 100644
--- a/m4/warnings.m4
+++ b/m4/warnings.m4
@@ -1,5 +1,5 @@
 # warnings.m4 serial 13
-dnl Copyright (C) 2008-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2008-2019 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 83bc3d5bd1d..5db5815209d 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, 2008-2018 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2003, 2008-2019 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.