Merge from Gnulib

This incorporates:
2018-01-01 maint: Run 'make update-copyright'
2017-12-29 Add cross-compilation results for GNU/Hurd.
2017-12-12 explicit_bzero: port to macOS + Clang 9.0.0

256 files changed, 320 insertions, 323 deletions

diff --git a/build-aux/config.guess b/build-aux/config.guess
index 31e01efec3e..770cb5c7eb0 100755
--- a/build-aux/config.guess
+++ b/build-aux/config.guess
@@ -2,7 +2,7 @@
 # Attempt to guess a canonical system name.
 #   Copyright 1992-2017 Free Software Foundation, Inc.
 
-timestamp='2017-11-07'
+timestamp='2017-12-17'
 
 # 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
@@ -265,6 +265,9 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
     *:Redox:*:*)
         echo ${UNAME_MACHINE}-unknown-redox
         exit ;;
+    mips:OSF1:*.*)
+        echo mips-dec-osf1
+        exit ;;
     alpha:OSF1:*:*)
         case $UNAME_RELEASE in
         *4.0)
diff --git a/build-aux/config.sub b/build-aux/config.sub
index 00f68b8e5f3..4fa505b51aa 100755
--- a/build-aux/config.sub
+++ b/build-aux/config.sub
@@ -1416,7 +1416,7 @@ case $os in
               | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
               | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
               | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* \
-              | -onefs* | -tirtos* | -phoenix* | -fuchsia* | -redox*)
+              | -onefs* | -tirtos* | -phoenix* | -fuchsia* | -redox* | -bme*)
         # Remember, each alternative MUST END IN *, to match a version number.
                 ;;
         -qnx*)
diff --git a/build-aux/gitlog-to-changelog b/build-aux/gitlog-to-changelog
index 3c94bd56a0b..d8074aadabf 100755
--- a/build-aux/gitlog-to-changelog
+++ b/build-aux/gitlog-to-changelog
@@ -9,7 +9,7 @@ my $VERSION = '2017-09-13 06:45'; # UTC
 # If you change this file with Emacs, please let the write hook
 # do its job.  Otherwise, update this string manually.
 
-# Copyright (C) 2008-2017 Free Software Foundation, Inc.
+# Copyright (C) 2008-2018 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/build-aux/move-if-change b/build-aux/move-if-change
index 4a65145594c..f15923613c8 100755
--- a/build-aux/move-if-change
+++ b/build-aux/move-if-change
@@ -8,7 +8,7 @@ VERSION='2017-09-13 06:45'; # UTC
 # If you change this file with Emacs, please let the write hook
 # do its job.  Otherwise, update this string manually.
 
-# Copyright (C) 2002-2017 Free Software Foundation, Inc.
+# Copyright (C) 2002-2018 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/build-aux/update-copyright b/build-aux/update-copyright
index 63455c37948..5b11e306cdc 100755
--- a/build-aux/update-copyright
+++ b/build-aux/update-copyright
@@ -5,7 +5,7 @@ eval '(exit $?0)' && eval 'exec perl -wS -0777 -pi "$0" "$@"'
 
 my $VERSION = '2017-09-13.06:45'; # UTC
 
-# Copyright (C) 2009-2017 Free Software Foundation, Inc.
+# Copyright (C) 2009-2018 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/doc/misc/texinfo.tex b/doc/misc/texinfo.tex
index e2bf51af8c0..1987c50ba26 100644
--- a/doc/misc/texinfo.tex
+++ b/doc/misc/texinfo.tex
@@ -3,7 +3,7 @@
 % Load plain if necessary, i.e., if running under initex.
 \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
 %
-\def\texinfoversion{2017-11-17.06}
+\def\texinfoversion{2017-12-26.21}
 %
 % Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
 % 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
@@ -2619,26 +2619,11 @@ end
 % Markup style infrastructure.  \defmarkupstylesetup\INITMACRO will
 % define and register \INITMACRO to be called on markup style changes.
 % \INITMACRO can check \currentmarkupstyle for the innermost
-% style and the set of \ifmarkupSTYLE switches for all styles
-% currently in effect.
-\newif\ifmarkupvar
-\newif\ifmarkupsamp
-\newif\ifmarkupkey
-%\newif\ifmarkupfile % @file == @samp.
-%\newif\ifmarkupoption % @option == @samp.
-\newif\ifmarkupcode
-\newif\ifmarkupkbd
-%\newif\ifmarkupenv % @env == @code.
-%\newif\ifmarkupcommand % @command == @code.
-\newif\ifmarkuptex % @tex (and part of @math, for now).
-\newif\ifmarkupexample
-\newif\ifmarkupverb
-\newif\ifmarkupverbatim
+% style.
 
 \let\currentmarkupstyle\empty
 
 \def\setupmarkupstyle#1{%
-  \csname markup#1true\endcsname
   \def\currentmarkupstyle{#1}%
   \markupstylesetup
 }
@@ -2700,11 +2685,15 @@ end
 % lilypond developers report.  xpdf does work with the regular 0x27.
 %
 \def\codequoteright{%
-  \expandafter\ifx\csname SETtxicodequoteundirected\endcsname\relax
-    \expandafter\ifx\csname SETcodequoteundirected\endcsname\relax
-      '%
+  \ifmonospace
+    \expandafter\ifx\csname SETtxicodequoteundirected\endcsname\relax
+      \expandafter\ifx\csname SETcodequoteundirected\endcsname\relax
+        '%
+      \else \char'15 \fi
     \else \char'15 \fi
-  \else \char'15 \fi
+   \else
+     '%
+   \fi
 }
 %
 % and a similar option for the left quote char vs. a grave accent.
@@ -2712,13 +2701,17 @@ end
 % the code environments to do likewise.
 %
 \def\codequoteleft{%
-  \expandafter\ifx\csname SETtxicodequotebacktick\endcsname\relax
-    \expandafter\ifx\csname SETcodequotebacktick\endcsname\relax
-      % [Knuth] pp. 380,381,391
-      % \relax disables Spanish ligatures ?` and !` of \tt font.
-      \relax`%
+  \ifmonospace
+    \expandafter\ifx\csname SETtxicodequotebacktick\endcsname\relax
+      \expandafter\ifx\csname SETcodequotebacktick\endcsname\relax
+        % [Knuth] pp. 380,381,391
+        % \relax disables Spanish ligatures ?` and !` of \tt font.
+        \relax`%
+      \else \char'22 \fi
     \else \char'22 \fi
-  \else \char'22 \fi
+   \else
+     \relax`%
+   \fi
 }
 
 % Commands to set the quote options.
diff --git a/lib/acl-errno-valid.c b/lib/acl-errno-valid.c
index 1e96974dd12..96577eb5e6b 100644
--- a/lib/acl-errno-valid.c
+++ b/lib/acl-errno-valid.c
@@ -1,6 +1,6 @@
 /* Test whether ACLs are well supported on this system.
 
-   Copyright 2013-2017 Free Software Foundation, Inc.
+   Copyright 2013-2018 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/lib/acl-internal.c b/lib/acl-internal.c
index 63e6b6b997c..383c5ddb6f6 100644
--- a/lib/acl-internal.c
+++ b/lib/acl-internal.c
@@ -1,6 +1,6 @@
 /* Test whether a file has a nontrivial ACL.  -*- coding: utf-8 -*-
 
-   Copyright (C) 2002-2003, 2005-2017 Free Software Foundation, Inc.
+   Copyright (C) 2002-2003, 2005-2018 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/lib/acl-internal.h b/lib/acl-internal.h
index ebd24217bb6..6c65e65e5e7 100644
--- a/lib/acl-internal.h
+++ b/lib/acl-internal.h
@@ -1,6 +1,6 @@
 /* Internal implementation of access control lists.  -*- coding: utf-8 -*-
 
-   Copyright (C) 2002-2003, 2005-2017 Free Software Foundation, Inc.
+   Copyright (C) 2002-2003, 2005-2018 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/lib/acl.h b/lib/acl.h
index d3b048022e3..d0c122c71c0 100644
--- a/lib/acl.h
+++ b/lib/acl.h
@@ -1,6 +1,6 @@
 /* acl.c - access control lists
 
-   Copyright (C) 2002, 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2008-2018 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/lib/acl_entries.c b/lib/acl_entries.c
index c7efaefd52f..59dd420eaf4 100644
--- a/lib/acl_entries.c
+++ b/lib/acl_entries.c
@@ -1,6 +1,6 @@
 /* Return the number of entries in an ACL.
 
-   Copyright (C) 2002-2003, 2005-2017 Free Software Foundation, Inc.
+   Copyright (C) 2002-2003, 2005-2018 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/lib/alloca.in.h b/lib/alloca.in.h
index 1881e74f5dc..5ad8af8b411 100644
--- a/lib/alloca.in.h
+++ b/lib/alloca.in.h
@@ -1,6 +1,6 @@
 /* Memory allocation on the stack.
 
-   Copyright (C) 1995, 1999, 2001-2004, 2006-2017 Free Software Foundation,
+   Copyright (C) 1995, 1999, 2001-2004, 2006-2018 Free Software Foundation,
    Inc.
 
    This program is free software; you can redistribute it and/or modify it
diff --git a/lib/allocator.h b/lib/allocator.h
index fc3d646aa54..ab312f514ee 100644
--- a/lib/allocator.h
+++ b/lib/allocator.h
@@ -1,6 +1,6 @@
 /* Memory allocators such as malloc+free.
 
-   Copyright (C) 2011-2017 Free Software Foundation, Inc.
+   Copyright (C) 2011-2018 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/lib/arg-nonnull.h b/lib/arg-nonnull.h
index 61ee0712747..5f034083129 100644
--- a/lib/arg-nonnull.h
+++ b/lib/arg-nonnull.h
@@ -1,5 +1,5 @@
 /* A C macro for declaring that specific arguments must not be NULL.
-   Copyright (C) 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2009-2018 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
diff --git a/lib/at-func.c b/lib/at-func.c
index 2a3e375e9a2..55e4b8c0eb0 100644
--- a/lib/at-func.c
+++ b/lib/at-func.c
@@ -1,5 +1,5 @@
 /* Define at-style functions like fstatat, unlinkat, fchownat, etc.
-   Copyright (C) 2006, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2009-2018 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/lib/binary-io.c b/lib/binary-io.c
index 2cee469781c..f9cc4dd2ec6 100644
--- a/lib/binary-io.c
+++ b/lib/binary-io.c
@@ -1,5 +1,5 @@
 /* Binary mode I/O.
-   Copyright 2017 Free Software Foundation, Inc.
+   Copyright 2017-2018 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/lib/binary-io.h b/lib/binary-io.h
index 75adb33c918..cce1301d56c 100644
--- a/lib/binary-io.h
+++ b/lib/binary-io.h
@@ -1,5 +1,5 @@
 /* Binary mode I/O.
-   Copyright (C) 2001, 2003, 2005, 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2003, 2005, 2008-2018 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/lib/byteswap.in.h b/lib/byteswap.in.h
index 32385a289c6..547e384e325 100644
--- a/lib/byteswap.in.h
+++ b/lib/byteswap.in.h
@@ -1,5 +1,5 @@
 /* byteswap.h - Byte swapping
-   Copyright (C) 2005, 2007, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2005, 2007, 2009-2018 Free Software Foundation, Inc.
    Written by Oskar Liljeblad <oskar@osk.mine.nu>, 2005.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/lib/c++defs.h b/lib/c++defs.h
index 09dcd3e0687..72ff1ffa519 100644
--- a/lib/c++defs.h
+++ b/lib/c++defs.h
@@ -1,5 +1,5 @@
 /* C++ compatible function declaration macros.
-   Copyright (C) 2010-2017 Free Software Foundation, Inc.
+   Copyright (C) 2010-2018 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
diff --git a/lib/c-ctype.h b/lib/c-ctype.h
index 9ad3c18d471..d55d4f64e4f 100644
--- a/lib/c-ctype.h
+++ b/lib/c-ctype.h
@@ -5,7 +5,7 @@
    <ctype.h> functions' behaviour depends on the current locale set via
    setlocale.
 
-   Copyright (C) 2000-2003, 2006, 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 2000-2003, 2006, 2008-2018 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/lib/c-strcase.h b/lib/c-strcase.h
index 220d21d34ec..41f439e8de7 100644
--- a/lib/c-strcase.h
+++ b/lib/c-strcase.h
@@ -1,5 +1,5 @@
 /* Case-insensitive string comparison functions in C locale.
-   Copyright (C) 1995-1996, 2001, 2003, 2005, 2009-2017 Free Software
+   Copyright (C) 1995-1996, 2001, 2003, 2005, 2009-2018 Free Software
    Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
diff --git a/lib/c-strcasecmp.c b/lib/c-strcasecmp.c
index b2880a2e6c7..2b1ac99bb60 100644
--- a/lib/c-strcasecmp.c
+++ b/lib/c-strcasecmp.c
@@ -1,5 +1,5 @@
 /* c-strcasecmp.c -- case insensitive string comparator in C locale
-   Copyright (C) 1998-1999, 2005-2006, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 1998-1999, 2005-2006, 2009-2018 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/lib/c-strncasecmp.c b/lib/c-strncasecmp.c
index 982e17915bc..8151c1a8340 100644
--- a/lib/c-strncasecmp.c
+++ b/lib/c-strncasecmp.c
@@ -1,5 +1,5 @@
 /* c-strncasecmp.c -- case insensitive string comparator in C locale
-   Copyright (C) 1998-1999, 2005-2006, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 1998-1999, 2005-2006, 2009-2018 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/lib/careadlinkat.c b/lib/careadlinkat.c
index e2af54f0984..b5ae905d2e5 100644
--- a/lib/careadlinkat.c
+++ b/lib/careadlinkat.c
@@ -1,6 +1,6 @@
 /* Read symbolic links into a buffer without size limitation, relative to fd.
 
-   Copyright (C) 2001, 2003-2004, 2007, 2009-2017 Free Software Foundation,
+   Copyright (C) 2001, 2003-2004, 2007, 2009-2018 Free Software Foundation,
    Inc.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/lib/careadlinkat.h b/lib/careadlinkat.h
index d436c691eaa..051d3edea2d 100644
--- a/lib/careadlinkat.h
+++ b/lib/careadlinkat.h
@@ -1,6 +1,6 @@
 /* Read symbolic links into a buffer without size limitation, relative to fd.
 
-   Copyright (C) 2011-2017 Free Software Foundation, Inc.
+   Copyright (C) 2011-2018 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/lib/cloexec.c b/lib/cloexec.c
index 2b67a0102e7..238ab188866 100644
--- a/lib/cloexec.c
+++ b/lib/cloexec.c
@@ -1,6 +1,6 @@
 /* cloexec.c - set or clear the close-on-exec descriptor flag
 
-   Copyright (C) 1991, 2004-2006, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 1991, 2004-2006, 2009-2018 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/lib/cloexec.h b/lib/cloexec.h
index d937a406817..59028058e6d 100644
--- a/lib/cloexec.h
+++ b/lib/cloexec.h
@@ -1,6 +1,6 @@
 /* cloexec.c - set or clear the close-on-exec descriptor flag
 
-   Copyright (C) 2004, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2009-2018 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/lib/close-stream.c b/lib/close-stream.c
index 19707626fa2..3d5a52ebd85 100644
--- a/lib/close-stream.c
+++ b/lib/close-stream.c
@@ -1,6 +1,6 @@
 /* Close a stream, with nicer error checking than fclose's.
 
-   Copyright (C) 1998-2002, 2004, 2006-2017 Free Software Foundation, Inc.
+   Copyright (C) 1998-2002, 2004, 2006-2018 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/lib/count-leading-zeros.h b/lib/count-leading-zeros.h
index c8b3dc05110..efb08517011 100644
--- a/lib/count-leading-zeros.h
+++ b/lib/count-leading-zeros.h
@@ -1,5 +1,5 @@
 /* count-leading-zeros.h -- counts the number of leading 0 bits in a word.
-   Copyright (C) 2012-2017 Free Software Foundation, Inc.
+   Copyright (C) 2012-2018 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/lib/count-one-bits.h b/lib/count-one-bits.h
index 1576b08481b..ae1872b8d33 100644
--- a/lib/count-one-bits.h
+++ b/lib/count-one-bits.h
@@ -1,5 +1,5 @@
 /* count-one-bits.h -- counts the number of 1-bits in a word.
-   Copyright (C) 2007-2017 Free Software Foundation, Inc.
+   Copyright (C) 2007-2018 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/lib/count-trailing-zeros.h b/lib/count-trailing-zeros.h
index 9f9f07f5a0d..a4c78485c84 100644
--- a/lib/count-trailing-zeros.h
+++ b/lib/count-trailing-zeros.h
@@ -1,5 +1,5 @@
 /* count-trailing-zeros.h -- counts the number of trailing 0 bits in a word.
-   Copyright 2013-2017 Free Software Foundation, Inc.
+   Copyright 2013-2018 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/lib/diffseq.h b/lib/diffseq.h
index b6f9f6f9d19..9244729380d 100644
--- a/lib/diffseq.h
+++ b/lib/diffseq.h
@@ -1,6 +1,6 @@
 /* Analyze differences between two vectors.
 
-   Copyright (C) 1988-1989, 1992-1995, 2001-2004, 2006-2017 Free Software
+   Copyright (C) 1988-1989, 1992-1995, 2001-2004, 2006-2018 Free Software
    Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/lib/dirent.in.h b/lib/dirent.in.h
index 5b235731e04..2ab25af68f0 100644
--- a/lib/dirent.in.h
+++ b/lib/dirent.in.h
@@ -1,5 +1,5 @@
 /* A GNU-like <dirent.h>.
-   Copyright (C) 2006-2017 Free Software Foundation, Inc.
+   Copyright (C) 2006-2018 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/lib/dirfd.c b/lib/dirfd.c
index 7e38fabdac2..19c80468bcf 100644
--- a/lib/dirfd.c
+++ b/lib/dirfd.c
@@ -1,6 +1,6 @@
 /* dirfd.c -- return the file descriptor associated with an open DIR*
 
-   Copyright (C) 2001, 2006, 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2006, 2008-2018 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/lib/dosname.h b/lib/dosname.h
index 255d57e4d6b..66486d5209d 100644
--- a/lib/dosname.h
+++ b/lib/dosname.h
@@ -1,6 +1,6 @@
 /* File names on MS-DOS/Windows systems.
 
-   Copyright (C) 2000-2001, 2004-2006, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2000-2001, 2004-2006, 2009-2018 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/lib/dtotimespec.c b/lib/dtotimespec.c
index 8f2e8150c9b..599f7427a9b 100644
--- a/lib/dtotimespec.c
+++ b/lib/dtotimespec.c
@@ -1,6 +1,6 @@
 /* Convert double to timespec.
 
-   Copyright (C) 2011-2017 Free Software Foundation, Inc.
+   Copyright (C) 2011-2018 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/lib/dup2.c b/lib/dup2.c
index 85c1a44401a..c8b49b25e47 100644
--- a/lib/dup2.c
+++ b/lib/dup2.c
@@ -1,6 +1,6 @@
 /* Duplicate an open file descriptor to a specified file descriptor.
 
-   Copyright (C) 1999, 2004-2007, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2004-2007, 2009-2018 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/lib/errno.in.h b/lib/errno.in.h
index aaf5fecd73b..8d2f3074fab 100644
--- a/lib/errno.in.h
+++ b/lib/errno.in.h
@@ -1,6 +1,6 @@
 /* A POSIX-like <errno.h>.
 
-   Copyright (C) 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 2008-2018 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/lib/euidaccess.c b/lib/euidaccess.c
index 298c4459477..aee693571c9 100644
--- a/lib/euidaccess.c
+++ b/lib/euidaccess.c
@@ -1,6 +1,6 @@
 /* euidaccess -- check if effective user id can access file
 
-   Copyright (C) 1990-1991, 1995, 1998, 2000, 2003-2006, 2008-2017 Free
+   Copyright (C) 1990-1991, 1995, 1998, 2000, 2003-2006, 2008-2018 Free
    Software Foundation, Inc.
 
    This file is part of the GNU C Library.
diff --git a/lib/execinfo.in.h b/lib/execinfo.in.h
index f2269269c53..83e1b285528 100644
--- a/lib/execinfo.in.h
+++ b/lib/execinfo.in.h
@@ -1,6 +1,6 @@
 /* Information about executables.
 
-   Copyright (C) 2012-2017 Free Software Foundation, Inc.
+   Copyright (C) 2012-2018 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/lib/explicit_bzero.c b/lib/explicit_bzero.c
index 09093467769..78ec747c3a6 100644
--- a/lib/explicit_bzero.c
+++ b/lib/explicit_bzero.c
@@ -1,5 +1,5 @@
 /* Erasure of sensitive data, generic implementation.
-   Copyright (C) 2016-2017 Free Software Foundation, Inc.
+   Copyright (C) 2016-2018 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -40,7 +40,7 @@ explicit_bzero (void *s, size_t len)
   explicit_memset (s, 0, len);
 #else
   memset (s, '\0', len);
-# ifdef __GNUC__
+# if defined __GNUC__ && !defined __clang__
   /* Compiler barrier.  */
   asm volatile ("" ::: "memory");
 # endif
diff --git a/lib/faccessat.c b/lib/faccessat.c
index fa9235820dc..8aab7863cdd 100644
--- a/lib/faccessat.c
+++ b/lib/faccessat.c
@@ -1,5 +1,5 @@
 /* Check the access rights of a file relative to an open directory.
-   Copyright (C) 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2009-2018 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/lib/fcntl.c b/lib/fcntl.c
index 91efd12c2ba..b8cb271f55c 100644
--- a/lib/fcntl.c
+++ b/lib/fcntl.c
@@ -1,6 +1,6 @@
 /* Provide file descriptor control.
 
-   Copyright (C) 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2009-2018 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/lib/fcntl.in.h b/lib/fcntl.in.h
index 00b270c958d..719a54d0f72 100644
--- a/lib/fcntl.in.h
+++ b/lib/fcntl.in.h
@@ -1,6 +1,6 @@
 /* Like <fcntl.h>, but with non-working flags defined to 0.
 
-   Copyright (C) 2006-2017 Free Software Foundation, Inc.
+   Copyright (C) 2006-2018 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/lib/fdatasync.c b/lib/fdatasync.c
index 25fd74049fb..c474e3dd36c 100644
--- a/lib/fdatasync.c
+++ b/lib/fdatasync.c
@@ -1,6 +1,6 @@
 /* Emulate fdatasync on platforms that lack it.
 
-   Copyright (C) 2011-2017 Free Software Foundation, Inc.
+   Copyright (C) 2011-2018 Free Software Foundation, Inc.
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public
diff --git a/lib/fdopendir.c b/lib/fdopendir.c
index 7f72258598d..9adefd210b5 100644
--- a/lib/fdopendir.c
+++ b/lib/fdopendir.c
@@ -1,5 +1,5 @@
 /* provide a replacement fdopendir function
-   Copyright (C) 2004-2017 Free Software Foundation, Inc.
+   Copyright (C) 2004-2018 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/lib/filemode.c b/lib/filemode.c
index c6cf1f3196c..574e9941646 100644
--- a/lib/filemode.c
+++ b/lib/filemode.c
@@ -1,6 +1,6 @@
 /* filemode.c -- make a string describing file modes
 
-   Copyright (C) 1985, 1990, 1993, 1998-2000, 2004, 2006, 2009-2017 Free
+   Copyright (C) 1985, 1990, 1993, 1998-2000, 2004, 2006, 2009-2018 Free
    Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/lib/filemode.h b/lib/filemode.h
index 809bf7eb0fb..f9d1d21990e 100644
--- a/lib/filemode.h
+++ b/lib/filemode.h
@@ -1,6 +1,6 @@
 /* Make a string describing file modes.
 
-   Copyright (C) 1998-1999, 2003, 2006, 2009-2017 Free Software Foundation,
+   Copyright (C) 1998-1999, 2003, 2006, 2009-2018 Free Software Foundation,
    Inc.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/lib/filevercmp.c b/lib/filevercmp.c
index 4026097b38e..9e9b4408cdc 100644
--- a/lib/filevercmp.c
+++ b/lib/filevercmp.c
@@ -1,7 +1,7 @@
 /*
    Copyright (C) 1995 Ian Jackson <iwj10@cus.cam.ac.uk>
    Copyright (C) 2001 Anthony Towns <aj@azure.humbug.org.au>
-   Copyright (C) 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 2008-2018 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/lib/filevercmp.h b/lib/filevercmp.h
index 25cc6f624cd..5e594568c5b 100644
--- a/lib/filevercmp.h
+++ b/lib/filevercmp.h
@@ -1,7 +1,7 @@
 /*
    Copyright (C) 1995 Ian Jackson <iwj10@cus.cam.ac.uk>
    Copyright (C) 2001 Anthony Towns <aj@azure.humbug.org.au>
-   Copyright (C) 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 2008-2018 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/lib/flexmember.h b/lib/flexmember.h
index 7e4f95d3c89..7e3f59837bb 100644
--- a/lib/flexmember.h
+++ b/lib/flexmember.h
@@ -1,6 +1,6 @@
 /* Sizes of structs with flexible array members.
 
-   Copyright 2016-2017 Free Software Foundation, Inc.
+   Copyright 2016-2018 Free Software Foundation, Inc.
 
    This file is part of the GNU C Library.
 
diff --git a/lib/fpending.c b/lib/fpending.c
index 5811a4a7475..c84e3a5b4ec 100644
--- a/lib/fpending.c
+++ b/lib/fpending.c
@@ -1,5 +1,5 @@
 /* fpending.c -- return the number of pending output bytes on a stream
-   Copyright (C) 2000, 2004, 2006-2007, 2009-2017 Free Software Foundation,
+   Copyright (C) 2000, 2004, 2006-2007, 2009-2018 Free Software Foundation,
    Inc.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/lib/fpending.h b/lib/fpending.h
index 73c7d795c18..2ff26bc6afc 100644
--- a/lib/fpending.h
+++ b/lib/fpending.h
@@ -1,6 +1,6 @@
 /* Declare __fpending.
 
-   Copyright (C) 2000, 2003, 2005-2006, 2009-2017 Free Software Foundation,
+   Copyright (C) 2000, 2003, 2005-2006, 2009-2018 Free Software Foundation,
    Inc.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/lib/fstatat.c b/lib/fstatat.c
index 237e68c5da7..63ceceb6d86 100644
--- a/lib/fstatat.c
+++ b/lib/fstatat.c
@@ -1,6 +1,6 @@
 /* Work around an fstatat bug on Solaris 9.
 
-   Copyright (C) 2006, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2009-2018 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/lib/fsync.c b/lib/fsync.c
index c25f1db6575..a0b12b6ccc7 100644
--- a/lib/fsync.c
+++ b/lib/fsync.c
@@ -7,7 +7,7 @@
 
    Written by Richard W.M. Jones <rjones.at.redhat.com>
 
-   Copyright (C) 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 2008-2018 Free Software Foundation, Inc.
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public
diff --git a/lib/ftoastr.c b/lib/ftoastr.c
index bcc79f03673..a6899b2c63c 100644
--- a/lib/ftoastr.c
+++ b/lib/ftoastr.c
@@ -1,6 +1,6 @@
 /* floating point to accurate string
 
-   Copyright (C) 2010-2017 Free Software Foundation, Inc.
+   Copyright (C) 2010-2018 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/lib/ftoastr.h b/lib/ftoastr.h
index f73712c9415..2d783587bd1 100644
--- a/lib/ftoastr.h
+++ b/lib/ftoastr.h
@@ -1,6 +1,6 @@
 /* floating point to accurate string
 
-   Copyright (C) 2010-2017 Free Software Foundation, Inc.
+   Copyright (C) 2010-2018 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/lib/get-permissions.c b/lib/get-permissions.c
index c54d71c1c56..bb1af5dbdfc 100644
--- a/lib/get-permissions.c
+++ b/lib/get-permissions.c
@@ -1,6 +1,6 @@
 /* Get permissions of a file.  -*- coding: utf-8 -*-
 
-   Copyright (C) 2002-2003, 2005-2017 Free Software Foundation, Inc.
+   Copyright (C) 2002-2003, 2005-2018 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/lib/getdtablesize.c b/lib/getdtablesize.c
index d0a5ecaf5d6..c6c1136fc55 100644
--- a/lib/getdtablesize.c
+++ b/lib/getdtablesize.c
@@ -1,5 +1,5 @@
 /* getdtablesize() function: Return maximum possible file descriptor value + 1.
-   Copyright (C) 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 2008-2018 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2008.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/lib/getgroups.c b/lib/getgroups.c
index 52473a5a230..ec137c158a9 100644
--- a/lib/getgroups.c
+++ b/lib/getgroups.c
@@ -1,6 +1,6 @@
 /* provide consistent interface to getgroups for systems that don't allow N==0
 
-   Copyright (C) 1996, 1999, 2003, 2006-2017 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1999, 2003, 2006-2018 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/lib/getloadavg.c b/lib/getloadavg.c
index 5f2dfabb6fd..702338fb9e9 100644
--- a/lib/getloadavg.c
+++ b/lib/getloadavg.c
@@ -1,6 +1,6 @@
 /* Get the system load averages.
 
-   Copyright (C) 1985-1989, 1991-1995, 1997, 1999-2000, 2003-2017 Free Software
+   Copyright (C) 1985-1989, 1991-1995, 1997, 1999-2000, 2003-2018 Free Software
    Foundation, Inc.
 
    NOTE: The canonical source of this file is maintained with gnulib.
diff --git a/lib/getopt-cdefs.in.h b/lib/getopt-cdefs.in.h
index 83a18f9a75e..12b5a877c2f 100644
--- a/lib/getopt-cdefs.in.h
+++ b/lib/getopt-cdefs.in.h
@@ -1,5 +1,5 @@
 /* getopt-on-non-glibc compatibility macros.
-   Copyright (C) 1989-2017 Free Software Foundation, Inc.
+   Copyright (C) 1989-2018 Free Software Foundation, Inc.
    This file is part of gnulib.
    Unlike most of the getopt implementation, it is NOT shared
    with the GNU C Library.
diff --git a/lib/getopt-core.h b/lib/getopt-core.h
index ec0734c7230..e51b6c78e72 100644
--- a/lib/getopt-core.h
+++ b/lib/getopt-core.h
@@ -1,5 +1,5 @@
 /* Declarations for getopt (basic, portable features only).
-   Copyright (C) 1989-2017 Free Software Foundation, Inc.
+   Copyright (C) 1989-2018 Free Software Foundation, Inc.
    This file is part of the GNU C Library and is also part of gnulib.
    Patches to this file should be submitted to both projects.
 
diff --git a/lib/getopt-ext.h b/lib/getopt-ext.h
index 4cdbfb0e7a5..cb41206ff3a 100644
--- a/lib/getopt-ext.h
+++ b/lib/getopt-ext.h
@@ -1,5 +1,5 @@
 /* Declarations for getopt (GNU extensions).
-   Copyright (C) 1989-2017 Free Software Foundation, Inc.
+   Copyright (C) 1989-2018 Free Software Foundation, Inc.
    This file is part of the GNU C Library and is also part of gnulib.
    Patches to this file should be submitted to both projects.
 
diff --git a/lib/getopt-pfx-core.h b/lib/getopt-pfx-core.h
index 02b2b5064d3..c62f9e266d0 100644
--- a/lib/getopt-pfx-core.h
+++ b/lib/getopt-pfx-core.h
@@ -1,5 +1,5 @@
 /* getopt (basic, portable features) gnulib wrapper header.
-   Copyright (C) 1989-2017 Free Software Foundation, Inc.
+   Copyright (C) 1989-2018 Free Software Foundation, Inc.
    This file is part of gnulib.
    Unlike most of the getopt implementation, it is NOT shared
    with the GNU C Library.
diff --git a/lib/getopt-pfx-ext.h b/lib/getopt-pfx-ext.h
index 75e6fd32fe0..753f1290867 100644
--- a/lib/getopt-pfx-ext.h
+++ b/lib/getopt-pfx-ext.h
@@ -1,5 +1,5 @@
 /* getopt (GNU extensions) gnulib wrapper header.
-   Copyright (C) 1989-2017 Free Software Foundation, Inc.
+   Copyright (C) 1989-2018 Free Software Foundation, Inc.
    This file is part of gnulib.
    Unlike most of the getopt implementation, it is NOT shared
    with the GNU C Library.
diff --git a/lib/getopt.c b/lib/getopt.c
index b0cc35bfb1b..55375ccd40f 100644
--- a/lib/getopt.c
+++ b/lib/getopt.c
@@ -1,5 +1,5 @@
 /* Getopt for GNU.
-   Copyright (C) 1987-2017 Free Software Foundation, Inc.
+   Copyright (C) 1987-2018 Free Software Foundation, Inc.
    This file is part of the GNU C Library and is also part of gnulib.
    Patches to this file should be submitted to both projects.
 
diff --git a/lib/getopt.in.h b/lib/getopt.in.h
index 594ed8092a1..5fb58ddb0f9 100644
--- a/lib/getopt.in.h
+++ b/lib/getopt.in.h
@@ -1,5 +1,5 @@
 /* Declarations for getopt.
-   Copyright (C) 1989-2017 Free Software Foundation, Inc.
+   Copyright (C) 1989-2018 Free Software Foundation, Inc.
    This file is part of gnulib.
    Unlike most of the getopt implementation, it is NOT shared
    with the GNU C Library, which supplies a different version of
diff --git a/lib/getopt1.c b/lib/getopt1.c
index d689f4ce67a..9c7fff4c73d 100644
--- a/lib/getopt1.c
+++ b/lib/getopt1.c
@@ -1,5 +1,5 @@
 /* getopt_long and getopt_long_only entry points for GNU getopt.
-   Copyright (C) 1987-2017 Free Software Foundation, Inc.
+   Copyright (C) 1987-2018 Free Software Foundation, Inc.
    This file is part of the GNU C Library and is also part of gnulib.
    Patches to this file should be submitted to both projects.
 
diff --git a/lib/getopt_int.h b/lib/getopt_int.h
index e33856ce9b9..b0e9a6d0126 100644
--- a/lib/getopt_int.h
+++ b/lib/getopt_int.h
@@ -1,5 +1,5 @@
 /* Internal declarations for getopt.
-   Copyright (C) 1989-2017 Free Software Foundation, Inc.
+   Copyright (C) 1989-2018 Free Software Foundation, Inc.
    This file is part of the GNU C Library and is also part of gnulib.
    Patches to this file should be submitted to both projects.
 
diff --git a/lib/gettext.h b/lib/gettext.h
index f6150be6523..f2d7458f4a8 100644
--- a/lib/gettext.h
+++ b/lib/gettext.h
@@ -1,5 +1,5 @@
 /* Convenience header for conditional use of GNU <libintl.h>.
-   Copyright (C) 1995-1998, 2000-2002, 2004-2006, 2009-2017 Free Software
+   Copyright (C) 1995-1998, 2000-2002, 2004-2006, 2009-2018 Free Software
    Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
diff --git a/lib/gettime.c b/lib/gettime.c
index e5af26c9902..9a4e342f18e 100644
--- a/lib/gettime.c
+++ b/lib/gettime.c
@@ -1,6 +1,6 @@
 /* gettime -- get the system clock
 
-   Copyright (C) 2002, 2004-2007, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2004-2007, 2009-2018 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/lib/gettimeofday.c b/lib/gettimeofday.c
index a11b1830c4c..39575658264 100644
--- a/lib/gettimeofday.c
+++ b/lib/gettimeofday.c
@@ -1,6 +1,6 @@
 /* Provide gettimeofday for systems that don't have it or for which it's broken.
 
-   Copyright (C) 2001-2003, 2005-2007, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2001-2003, 2005-2007, 2009-2018 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/lib/gnulib.mk.in b/lib/gnulib.mk.in
index c510a0e55c0..ee9e6bd12e1 100644
--- a/lib/gnulib.mk.in
+++ b/lib/gnulib.mk.in
@@ -1,6 +1,6 @@
 ## DO NOT EDIT! GENERATED AUTOMATICALLY!
 ## Process this file with automake to produce Makefile.in.
-# Copyright (C) 2002-2017 Free Software Foundation, Inc.
+# Copyright (C) 2002-2018 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
@@ -945,6 +945,7 @@ pdfdir = @pdfdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@
+runstatedir = @runstatedir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
diff --git a/lib/group-member.c b/lib/group-member.c
index 7c4ce496753..3747dfe785b 100644
--- a/lib/group-member.c
+++ b/lib/group-member.c
@@ -1,6 +1,6 @@
 /* group-member.c -- determine whether group id is in calling user's group list
 
-   Copyright (C) 1994, 1997-1998, 2003, 2005-2006, 2009-2017 Free Software
+   Copyright (C) 1994, 1997-1998, 2003, 2005-2006, 2009-2018 Free Software
    Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/lib/ignore-value.h b/lib/ignore-value.h
index 8ef3fe782f7..95eac1cae72 100644
--- a/lib/ignore-value.h
+++ b/lib/ignore-value.h
@@ -1,6 +1,6 @@
 /* ignore a function return without a compiler warning.  -*- coding: utf-8 -*-
 
-   Copyright (C) 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 2008-2018 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/lib/intprops.h b/lib/intprops.h
index 2df7b1f9f69..15e470cbc6e 100644
--- a/lib/intprops.h
+++ b/lib/intprops.h
@@ -1,6 +1,6 @@
 /* intprops.h -- properties of integer types
 
-   Copyright (C) 2001-2017 Free Software Foundation, Inc.
+   Copyright (C) 2001-2018 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
diff --git a/lib/inttypes.in.h b/lib/inttypes.in.h
index e7357e96acc..ca3cec5b477 100644
--- a/lib/inttypes.in.h
+++ b/lib/inttypes.in.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2006-2017 Free Software Foundation, Inc.
+/* Copyright (C) 2006-2018 Free Software Foundation, Inc.
    Written by Paul Eggert, Bruno Haible, Derek Price.
    This file is part of gnulib.
 
diff --git a/lib/limits.in.h b/lib/limits.in.h
index 78dcf31037e..2c809d97ac4 100644
--- a/lib/limits.in.h
+++ b/lib/limits.in.h
@@ -1,6 +1,6 @@
 /* A GNU-like <limits.h>.
 
-   Copyright 2016-2017 Free Software Foundation, Inc.
+   Copyright 2016-2018 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
diff --git a/lib/localtime-buffer.c b/lib/localtime-buffer.c
index c96c577ac1f..df11f4321db 100644
--- a/lib/localtime-buffer.c
+++ b/lib/localtime-buffer.c
@@ -1,6 +1,6 @@
 /* Provide access to the last buffer returned by localtime() or gmtime().
 
-   Copyright (C) 2001-2003, 2005-2007, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2001-2003, 2005-2007, 2009-2018 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/lib/localtime-buffer.h b/lib/localtime-buffer.h
index 0a0389da073..f381ff0e6de 100644
--- a/lib/localtime-buffer.h
+++ b/lib/localtime-buffer.h
@@ -1,6 +1,6 @@
 /* Provide access to the last buffer returned by localtime() or gmtime().
 
-   Copyright (C) 2001-2003, 2005-2007, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2001-2003, 2005-2007, 2009-2018 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/lib/lstat.c b/lib/lstat.c
index f3c61779540..5873bbd67c9 100644
--- a/lib/lstat.c
+++ b/lib/lstat.c
@@ -1,6 +1,6 @@
 /* Work around a bug of lstat on some systems
 
-   Copyright (C) 1997-2006, 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 1997-2006, 2008-2018 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/lib/md5.c b/lib/md5.c
index e16da5990f3..8bdd4a7884b 100644
--- a/lib/md5.c
+++ b/lib/md5.c
@@ -1,6 +1,6 @@
 /* Functions to compute MD5 message digest of files or memory blocks.
    according to the definition of MD5 in RFC 1321 from April 1992.
-   Copyright (C) 1995-1997, 1999-2001, 2005-2006, 2008-2017 Free Software
+   Copyright (C) 1995-1997, 1999-2001, 2005-2006, 2008-2018 Free Software
    Foundation, Inc.
    This file is part of the GNU C Library.
 
diff --git a/lib/md5.h b/lib/md5.h
index 8b94bfcf0e0..4adfcdd9cfd 100644
--- a/lib/md5.h
+++ b/lib/md5.h
@@ -1,6 +1,6 @@
 /* Declaration of functions and data types used for MD5 sum computing
    library functions.
-   Copyright (C) 1995-1997, 1999-2001, 2004-2006, 2008-2017 Free Software
+   Copyright (C) 1995-1997, 1999-2001, 2004-2006, 2008-2018 Free Software
    Foundation, Inc.
    This file is part of the GNU C Library.
 
diff --git a/lib/memrchr.c b/lib/memrchr.c
index 29e56984cb1..99acfd9c56d 100644
--- a/lib/memrchr.c
+++ b/lib/memrchr.c
@@ -1,6 +1,6 @@
 /* memrchr -- find the last occurrence of a byte in a memory block
 
-   Copyright (C) 1991, 1993, 1996-1997, 1999-2000, 2003-2017 Free Software
+   Copyright (C) 1991, 1993, 1996-1997, 1999-2000, 2003-2018 Free Software
    Foundation, Inc.
 
    Based on strlen implementation by Torbjorn Granlund (tege@sics.se),
diff --git a/lib/minmax.h b/lib/minmax.h
index bbf14163c1b..33a5305f429 100644
--- a/lib/minmax.h
+++ b/lib/minmax.h
@@ -1,5 +1,5 @@
 /* MIN, MAX macros.
-   Copyright (C) 1995, 1998, 2001, 2003, 2005, 2009-2017 Free Software
+   Copyright (C) 1995, 1998, 2001, 2003, 2005, 2009-2018 Free Software
    Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
diff --git a/lib/mkostemp.c b/lib/mkostemp.c
index f1ce93babea..df9ecf8c4ef 100644
--- a/lib/mkostemp.c
+++ b/lib/mkostemp.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998-1999, 2001, 2005-2007, 2009-2017 Free Software
+/* Copyright (C) 1998-1999, 2001, 2005-2007, 2009-2018 Free Software
    Foundation, Inc.
    This file is derived from the one in the GNU C Library.
 
diff --git a/lib/mktime-internal.h b/lib/mktime-internal.h
index 00e58abdd6c..92bdda6f6c3 100644
--- a/lib/mktime-internal.h
+++ b/lib/mktime-internal.h
@@ -1,6 +1,6 @@
 /* mktime variant that also uses an offset guess
 
-   Copyright 2016-2017 Free Software Foundation, Inc.
+   Copyright 2016-2018 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
diff --git a/lib/mktime.c b/lib/mktime.c
index dd7f0a3ab34..007adf14e8e 100644
--- a/lib/mktime.c
+++ b/lib/mktime.c
@@ -1,5 +1,5 @@
 /* Convert a 'struct tm' to a time_t value.
-   Copyright (C) 1993-2017 Free Software Foundation, Inc.
+   Copyright (C) 1993-2018 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Paul Eggert <eggert@twinsun.com>.
 
diff --git a/lib/nstrftime.c b/lib/nstrftime.c
index 8795cd729d7..9e7abddc8a3 100644
--- a/lib/nstrftime.c
+++ b/lib/nstrftime.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
+/* Copyright (C) 1991-2018 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
diff --git a/lib/open.c b/lib/open.c
index b5452b56afd..b344f13a92a 100644
--- a/lib/open.c
+++ b/lib/open.c
@@ -1,5 +1,5 @@
 /* Open a descriptor to a file.
-   Copyright (C) 2007-2017 Free Software Foundation, Inc.
+   Copyright (C) 2007-2018 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/lib/openat-priv.h b/lib/openat-priv.h
index b5a411b944b..5d53df12018 100644
--- a/lib/openat-priv.h
+++ b/lib/openat-priv.h
@@ -1,6 +1,6 @@
 /* Internals for openat-like functions.
 
-   Copyright (C) 2005-2006, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2005-2006, 2009-2018 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/lib/openat-proc.c b/lib/openat-proc.c
index 6d2b598c8b2..87137eec538 100644
--- a/lib/openat-proc.c
+++ b/lib/openat-proc.c
@@ -1,6 +1,6 @@
 /* Create /proc/self/fd-related names for subfiles of open directories.
 
-   Copyright (C) 2006, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2009-2018 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/lib/openat.h b/lib/openat.h
index 1c4f64a32ed..945e032836b 100644
--- a/lib/openat.h
+++ b/lib/openat.h
@@ -1,5 +1,5 @@
 /* provide a replacement openat function
-   Copyright (C) 2004-2006, 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 2004-2006, 2008-2018 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/lib/pipe2.c b/lib/pipe2.c
index 741cee99ff6..807ba6a9f9d 100644
--- a/lib/pipe2.c
+++ b/lib/pipe2.c
@@ -1,5 +1,5 @@
 /* Create a pipe, with specific opening flags.
-   Copyright (C) 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2009-2018 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/lib/pselect.c b/lib/pselect.c
index 2ea7c45307c..40758251ef3 100644
--- a/lib/pselect.c
+++ b/lib/pselect.c
@@ -1,6 +1,6 @@
 /* pselect - synchronous I/O multiplexing
 
-   Copyright 2011-2017 Free Software Foundation, Inc.
+   Copyright 2011-2018 Free Software Foundation, Inc.
 
    This file is part of gnulib.
 
diff --git a/lib/pthread_sigmask.c b/lib/pthread_sigmask.c
index 9ccf89b51fb..3bb92ca8ef7 100644
--- a/lib/pthread_sigmask.c
+++ b/lib/pthread_sigmask.c
@@ -1,5 +1,5 @@
 /* POSIX compatible signal blocking for threads.
-   Copyright (C) 2011-2017 Free Software Foundation, Inc.
+   Copyright (C) 2011-2018 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/lib/putenv.c b/lib/putenv.c
index 7831864478e..556d5f82302 100644
--- a/lib/putenv.c
+++ b/lib/putenv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1994, 1997-1998, 2000, 2003-2017 Free Software
+/* Copyright (C) 1991, 1994, 1997-1998, 2000, 2003-2018 Free Software
    Foundation, Inc.
 
    NOTE: The canonical source of this file is maintained with the GNU C
diff --git a/lib/qcopy-acl.c b/lib/qcopy-acl.c
index 003cb42b7db..ee482ef4552 100644
--- a/lib/qcopy-acl.c
+++ b/lib/qcopy-acl.c
@@ -1,6 +1,6 @@
 /* Copy access control list from one file to another.  -*- coding: utf-8 -*-
 
-   Copyright (C) 2002-2003, 2005-2017 Free Software Foundation, Inc.
+   Copyright (C) 2002-2003, 2005-2018 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/lib/readlink.c b/lib/readlink.c
index cd9604b224c..924e00d234a 100644
--- a/lib/readlink.c
+++ b/lib/readlink.c
@@ -1,5 +1,5 @@
 /* Stub for readlink().
-   Copyright (C) 2003-2007, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2003-2007, 2009-2018 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/lib/readlinkat.c b/lib/readlinkat.c
index c9880e1c704..35179e2a380 100644
--- a/lib/readlinkat.c
+++ b/lib/readlinkat.c
@@ -1,5 +1,5 @@
 /* Read a symlink relative to an open directory.
-   Copyright (C) 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2009-2018 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/lib/root-uid.h b/lib/root-uid.h
index 4aa9dfe24f0..4af7d95aba4 100644
--- a/lib/root-uid.h
+++ b/lib/root-uid.h
@@ -1,6 +1,6 @@
 /* The user ID that always has appropriate privileges in the POSIX sense.
 
-   Copyright 2012-2017 Free Software Foundation, Inc.
+   Copyright 2012-2018 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/lib/set-permissions.c b/lib/set-permissions.c
index b30841fca40..4b7371c9b4b 100644
--- a/lib/set-permissions.c
+++ b/lib/set-permissions.c
@@ -1,6 +1,6 @@
 /* Set permissions of a file.  -*- coding: utf-8 -*-
 
-   Copyright (C) 2002-2003, 2005-2017 Free Software Foundation, Inc.
+   Copyright (C) 2002-2003, 2005-2018 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/lib/sha1.c b/lib/sha1.c
index ca3eabc45e7..89a0f71e203 100644
--- a/lib/sha1.c
+++ b/lib/sha1.c
@@ -1,7 +1,7 @@
 /* sha1.c - Functions to compute SHA1 message digest of files or
    memory blocks according to the NIST specification FIPS-180-1.
 
-   Copyright (C) 2000-2001, 2003-2006, 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 2000-2001, 2003-2006, 2008-2018 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 the
diff --git a/lib/sha1.h b/lib/sha1.h
index dd48889fa4c..62c507bbdf0 100644
--- a/lib/sha1.h
+++ b/lib/sha1.h
@@ -1,6 +1,6 @@
 /* Declarations of functions and data types used for SHA1 sum
    library functions.
-   Copyright (C) 2000-2001, 2003, 2005-2006, 2008-2017 Free Software
+   Copyright (C) 2000-2001, 2003, 2005-2006, 2008-2018 Free Software
    Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify it
diff --git a/lib/sha256.c b/lib/sha256.c
index 449a9b7b712..2f28fcd7100 100644
--- a/lib/sha256.c
+++ b/lib/sha256.c
@@ -1,7 +1,7 @@
 /* sha256.c - Functions to compute SHA256 and SHA224 message digest of files or
    memory blocks according to the NIST specification FIPS-180-2.
 
-   Copyright (C) 2005-2006, 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 2005-2006, 2008-2018 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/lib/sha256.h b/lib/sha256.h
index b998aa4b634..ca06691241a 100644
--- a/lib/sha256.h
+++ b/lib/sha256.h
@@ -1,6 +1,6 @@
 /* Declarations of functions and data types used for SHA256 and SHA224 sum
    library functions.
-   Copyright (C) 2005-2006, 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 2005-2006, 2008-2018 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/lib/sha512.c b/lib/sha512.c
index e666231148e..d6a8ce181a1 100644
--- a/lib/sha512.c
+++ b/lib/sha512.c
@@ -1,7 +1,7 @@
 /* sha512.c - Functions to compute SHA512 and SHA384 message digest of files or
    memory blocks according to the NIST specification FIPS-180-2.
 
-   Copyright (C) 2005-2006, 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 2005-2006, 2008-2018 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/lib/sha512.h b/lib/sha512.h
index 70a3f9ad6cb..516e75b3013 100644
--- a/lib/sha512.h
+++ b/lib/sha512.h
@@ -1,6 +1,6 @@
 /* Declarations of functions and data types used for SHA512 and SHA384 sum
    library functions.
-   Copyright (C) 2005-2006, 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 2005-2006, 2008-2018 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/lib/sig2str.c b/lib/sig2str.c
index a3ed970063e..72b075e7818 100644
--- a/lib/sig2str.c
+++ b/lib/sig2str.c
@@ -1,6 +1,6 @@
 /* sig2str.c -- convert between signal names and numbers
 
-   Copyright (C) 2002, 2004, 2006, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2004, 2006, 2009-2018 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/lib/sig2str.h b/lib/sig2str.h
index 4e43ea404c1..69887d4632d 100644
--- a/lib/sig2str.h
+++ b/lib/sig2str.h
@@ -1,6 +1,6 @@
 /* sig2str.h -- convert between signal names and numbers
 
-   Copyright (C) 2002, 2005, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2005, 2009-2018 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/lib/signal.in.h b/lib/signal.in.h
index e8107c37bf5..483413dc7f5 100644
--- a/lib/signal.in.h
+++ b/lib/signal.in.h
@@ -1,6 +1,6 @@
 /* A GNU-like <signal.h>.
 
-   Copyright (C) 2006-2017 Free Software Foundation, Inc.
+   Copyright (C) 2006-2018 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/lib/stat-time.h b/lib/stat-time.h
index 1cf821992ed..5f8bf4e126f 100644
--- a/lib/stat-time.h
+++ b/lib/stat-time.h
@@ -1,6 +1,6 @@
 /* stat-related time functions.
 
-   Copyright (C) 2005, 2007, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2005, 2007, 2009-2018 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/lib/stdalign.in.h b/lib/stdalign.in.h
index 68e889e053c..bbfa9ac3d15 100644
--- a/lib/stdalign.in.h
+++ b/lib/stdalign.in.h
@@ -1,6 +1,6 @@
 /* A substitute for ISO C11 <stdalign.h>.
 
-   Copyright 2011-2017 Free Software Foundation, Inc.
+   Copyright 2011-2018 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/lib/stddef.in.h b/lib/stddef.in.h
index 758ccf63386..8329a9bf8d3 100644
--- a/lib/stddef.in.h
+++ b/lib/stddef.in.h
@@ -1,6 +1,6 @@
 /* A substitute for POSIX 2008 <stddef.h>, for platforms that have issues.
 
-   Copyright (C) 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2009-2018 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/lib/stdint.in.h b/lib/stdint.in.h
index df8b37d3d49..94e7c81cef3 100644
--- a/lib/stdint.in.h
+++ b/lib/stdint.in.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001-2002, 2004-2017 Free Software Foundation, Inc.
+/* Copyright (C) 2001-2002, 2004-2018 Free Software Foundation, Inc.
    Written by Paul Eggert, Bruno Haible, Sam Steingold, Peter Burwood.
    This file is part of gnulib.
 
diff --git a/lib/stdio-impl.h b/lib/stdio-impl.h
index 329801ad23b..78d896e9f55 100644
--- a/lib/stdio-impl.h
+++ b/lib/stdio-impl.h
@@ -1,5 +1,5 @@
 /* Implementation details of FILE streams.
-   Copyright (C) 2007-2008, 2010-2017 Free Software Foundation, Inc.
+   Copyright (C) 2007-2008, 2010-2018 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/lib/stdio.in.h b/lib/stdio.in.h
index 505f3f49f4e..b9a43bb80ca 100644
--- a/lib/stdio.in.h
+++ b/lib/stdio.in.h
@@ -1,6 +1,6 @@
 /* A GNU-like <stdio.h>.
 
-   Copyright (C) 2004, 2007-2017 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2007-2018 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/lib/stdlib.in.h b/lib/stdlib.in.h
index d5fa02b57ab..b9701d5b287 100644
--- a/lib/stdlib.in.h
+++ b/lib/stdlib.in.h
@@ -1,6 +1,6 @@
 /* A GNU-like <stdlib.h>.
 
-   Copyright (C) 1995, 2001-2004, 2006-2017 Free Software Foundation, Inc.
+   Copyright (C) 1995, 2001-2004, 2006-2018 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/lib/stpcpy.c b/lib/stpcpy.c
index 079599db868..61239e9f1d7 100644
--- a/lib/stpcpy.c
+++ b/lib/stpcpy.c
@@ -1,5 +1,5 @@
 /* stpcpy.c -- copy a string and return pointer to end of new string
-   Copyright (C) 1992, 1995, 1997-1998, 2006, 2009-2017 Free Software
+   Copyright (C) 1992, 1995, 1997-1998, 2006, 2009-2018 Free Software
    Foundation, Inc.
 
    NOTE: The canonical source of this file is maintained with the GNU C Library.
diff --git a/lib/strftime.h b/lib/strftime.h
index 9d91e5139cd..af73767f5e7 100644
--- a/lib/strftime.h
+++ b/lib/strftime.h
@@ -1,6 +1,6 @@
 /* declarations for strftime.c
 
-   Copyright (C) 2002, 2004, 2008-2017 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2004, 2008-2018 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/lib/string.in.h b/lib/string.in.h
index 0e0e0c51f5e..29f4ba6b1e1 100644
--- a/lib/string.in.h
+++ b/lib/string.in.h
@@ -1,6 +1,6 @@
 /* A GNU-like <string.h>.
 
-   Copyright (C) 1995-1996, 2001-2017 Free Software Foundation, Inc.
+   Copyright (C) 1995-1996, 2001-2018 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/lib/strtoimax.c b/lib/strtoimax.c
index f7d46f040d7..69e3a99ce17 100644
--- a/lib/strtoimax.c
+++ b/lib/strtoimax.c
@@ -1,6 +1,6 @@
 /* Convert string representation of a number into an intmax_t value.
 
-   Copyright (C) 1999, 2001-2004, 2006, 2009-2017 Free Software Foundation,
+   Copyright (C) 1999, 2001-2004, 2006, 2009-2018 Free Software Foundation,
    Inc.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/lib/strtol.c b/lib/strtol.c
index 1ef88700fca..55871b4c78c 100644
--- a/lib/strtol.c
+++ b/lib/strtol.c
@@ -1,6 +1,6 @@
 /* Convert string representation of a number into an integer value.
 
-   Copyright (C) 1991-1992, 1994-1999, 2003, 2005-2007, 2009-2017 Free Software
+   Copyright (C) 1991-1992, 1994-1999, 2003, 2005-2007, 2009-2018 Free Software
    Foundation, Inc.
 
    NOTE: The canonical source of this file is maintained with the GNU C
diff --git a/lib/strtoll.c b/lib/strtoll.c
index f6952f3cd23..8aa10f48f7b 100644
--- a/lib/strtoll.c
+++ b/lib/strtoll.c
@@ -1,5 +1,5 @@
 /* Function to parse a 'long long int' from text.
-   Copyright (C) 1995-1997, 1999, 2001, 2009-2017 Free Software Foundation,
+   Copyright (C) 1995-1997, 1999, 2001, 2009-2018 Free Software Foundation,
    Inc.
    This file is part of the GNU C Library.
 
diff --git a/lib/symlink.c b/lib/symlink.c
index 427f1f5f00c..c1c4b405cea 100644
--- a/lib/symlink.c
+++ b/lib/symlink.c
@@ -1,5 +1,5 @@
 /* Stub for symlink().
-   Copyright (C) 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2009-2018 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/lib/sys_select.in.h b/lib/sys_select.in.h
index 3bda2122277..154e570f023 100644
--- a/lib/sys_select.in.h
+++ b/lib/sys_select.in.h
@@ -1,5 +1,5 @@
 /* Substitute for <sys/select.h>.
-   Copyright (C) 2007-2017 Free Software Foundation, Inc.
+   Copyright (C) 2007-2018 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/lib/sys_stat.in.h b/lib/sys_stat.in.h
index f0919e90d5c..d96fde1007d 100644
--- a/lib/sys_stat.in.h
+++ b/lib/sys_stat.in.h
@@ -1,5 +1,5 @@
 /* Provide a more complete sys/stat.h header file.
-   Copyright (C) 2005-2017 Free Software Foundation, Inc.
+   Copyright (C) 2005-2018 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/lib/sys_time.in.h b/lib/sys_time.in.h
index 8a3c87d11d8..b4a0e49c508 100644
--- a/lib/sys_time.in.h
+++ b/lib/sys_time.in.h
@@ -1,6 +1,6 @@
 /* Provide a more complete sys/time.h.
 
-   Copyright (C) 2007-2017 Free Software Foundation, Inc.
+   Copyright (C) 2007-2018 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/lib/sys_types.in.h b/lib/sys_types.in.h
index b0d6132a163..747371644df 100644
--- a/lib/sys_types.in.h
+++ b/lib/sys_types.in.h
@@ -1,6 +1,6 @@
 /* Provide a more complete sys/types.h.
 
-   Copyright (C) 2011-2017 Free Software Foundation, Inc.
+   Copyright (C) 2011-2018 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/lib/tempname.c b/lib/tempname.c
index 2e3f95f3fb1..da81263b8c0 100644
--- a/lib/tempname.c
+++ b/lib/tempname.c
@@ -1,6 +1,6 @@
 /* tempname.c - generate the name of a temporary file.
 
-   Copyright (C) 1991-2003, 2005-2007, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 1991-2003, 2005-2007, 2009-2018 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/lib/tempname.h b/lib/tempname.h
index 245c8161abe..4020c734c57 100644
--- a/lib/tempname.h
+++ b/lib/tempname.h
@@ -1,6 +1,6 @@
 /* Create a temporary file or directory.
 
-   Copyright (C) 2006, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2009-2018 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/lib/time-internal.h b/lib/time-internal.h
index 8caf11d8746..3a836239120 100644
--- a/lib/time-internal.h
+++ b/lib/time-internal.h
@@ -1,6 +1,6 @@
 /* Time internal interface
 
-   Copyright 2015-2017 Free Software Foundation, Inc.
+   Copyright 2015-2018 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/lib/time.in.h b/lib/time.in.h
index d210fbf80b1..a2dca89340c 100644
--- a/lib/time.in.h
+++ b/lib/time.in.h
@@ -1,6 +1,6 @@
 /* A more-standard <time.h>.
 
-   Copyright (C) 2007-2017 Free Software Foundation, Inc.
+   Copyright (C) 2007-2018 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/lib/time_r.c b/lib/time_r.c
index 8cf8329fe5d..302978077d0 100644
--- a/lib/time_r.c
+++ b/lib/time_r.c
@@ -1,6 +1,6 @@
 /* Reentrant time functions like localtime_r.
 
-   Copyright (C) 2003, 2006-2007, 2010-2017 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2006-2007, 2010-2018 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/lib/time_rz.c b/lib/time_rz.c
index ad02edb23cb..c1eca888f2c 100644
--- a/lib/time_rz.c
+++ b/lib/time_rz.c
@@ -1,6 +1,6 @@
 /* Time zone functions such as tzalloc and localtime_rz
 
-   Copyright 2015-2017 Free Software Foundation, Inc.
+   Copyright 2015-2018 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/lib/timegm.c b/lib/timegm.c
index 1cabf648264..7eb5ecbe330 100644
--- a/lib/timegm.c
+++ b/lib/timegm.c
@@ -1,6 +1,6 @@
 /* Convert UTC calendar time to simple time.  Like mktime but assumes UTC.
 
-   Copyright (C) 1994, 1997, 2003-2004, 2006-2007, 2009-2017 Free Software
+   Copyright (C) 1994, 1997, 2003-2004, 2006-2007, 2009-2018 Free Software
    Foundation, Inc.  This file is part of the GNU C Library.
 
    This program is free software; you can redistribute it and/or modify
diff --git a/lib/timespec-add.c b/lib/timespec-add.c
index faa45829445..f6a8c38b33d 100644
--- a/lib/timespec-add.c
+++ b/lib/timespec-add.c
@@ -1,6 +1,6 @@
 /* Add two struct timespec values.
 
-   Copyright (C) 2011-2017 Free Software Foundation, Inc.
+   Copyright (C) 2011-2018 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/lib/timespec-sub.c b/lib/timespec-sub.c
index 3872f1bc2db..398a6a5de47 100644
--- a/lib/timespec-sub.c
+++ b/lib/timespec-sub.c
@@ -1,6 +1,6 @@
 /* Subtract two struct timespec values.
 
-   Copyright (C) 2011-2017 Free Software Foundation, Inc.
+   Copyright (C) 2011-2018 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/lib/timespec.h b/lib/timespec.h
index 84c8146a3ea..eef3030d9c5 100644
--- a/lib/timespec.h
+++ b/lib/timespec.h
@@ -1,6 +1,6 @@
 /* timespec -- System time interface
 
-   Copyright (C) 2000, 2002, 2004-2005, 2007, 2009-2017 Free Software
+   Copyright (C) 2000, 2002, 2004-2005, 2007, 2009-2018 Free Software
    Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
diff --git a/lib/u64.h b/lib/u64.h
index f56cc382339..498b7f9c4b6 100644
--- a/lib/u64.h
+++ b/lib/u64.h
@@ -1,6 +1,6 @@
 /* uint64_t-like operations that work even on hosts lacking uint64_t
 
-   Copyright (C) 2006, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2006, 2009-2018 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/lib/unistd.in.h b/lib/unistd.in.h
index 91447835811..ae59cb2e627 100644
--- a/lib/unistd.in.h
+++ b/lib/unistd.in.h
@@ -1,5 +1,5 @@
 /* Substitute for and wrapper around <unistd.h>.
-   Copyright (C) 2003-2017 Free Software Foundation, Inc.
+   Copyright (C) 2003-2018 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/lib/unlocked-io.h b/lib/unlocked-io.h
index be5d2b5d847..e3f0fcfed4a 100644
--- a/lib/unlocked-io.h
+++ b/lib/unlocked-io.h
@@ -1,6 +1,6 @@
 /* Prefer faster, non-thread-safe stdio functions if available.
 
-   Copyright (C) 2001-2004, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2001-2004, 2009-2018 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/lib/utimens.c b/lib/utimens.c
index 55545e8ce9b..c0b0704eb29 100644
--- a/lib/utimens.c
+++ b/lib/utimens.c
@@ -1,6 +1,6 @@
 /* Set file access and modification times.
 
-   Copyright (C) 2003-2017 Free Software Foundation, Inc.
+   Copyright (C) 2003-2018 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 the
diff --git a/lib/utimens.h b/lib/utimens.h
index f1dd9884dc1..a24e62cb174 100644
--- a/lib/utimens.h
+++ b/lib/utimens.h
@@ -1,6 +1,6 @@
 /* Set file access and modification times.
 
-   Copyright 2012-2017 Free Software Foundation, Inc.
+   Copyright 2012-2018 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 the
diff --git a/lib/verify.h b/lib/verify.h
index e0b48613374..bc7f99dbd73 100644
--- a/lib/verify.h
+++ b/lib/verify.h
@@ -1,6 +1,6 @@
 /* Compile-time assert-like macros.
 
-   Copyright (C) 2005-2006, 2009-2017 Free Software Foundation, Inc.
+   Copyright (C) 2005-2006, 2009-2018 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/lib/vla.h b/lib/vla.h
index 59de9a6bcd6..5c9735fc9b1 100644
--- a/lib/vla.h
+++ b/lib/vla.h
@@ -1,6 +1,6 @@
 /* vla.h - variable length arrays
 
-   Copyright 2014-2017 Free Software Foundation, Inc.
+   Copyright 2014-2018 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/lib/warn-on-use.h b/lib/warn-on-use.h
index cae8c3eec5c..e76c38427d5 100644
--- a/lib/warn-on-use.h
+++ b/lib/warn-on-use.h
@@ -1,5 +1,5 @@
 /* A C macro for emitting warnings if a function is used.
-   Copyright (C) 2010-2017 Free Software Foundation, Inc.
+   Copyright (C) 2010-2018 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
diff --git a/lib/xalloc-oversized.h b/lib/xalloc-oversized.h
index ae4fbc77f98..3426e10f4d2 100644
--- a/lib/xalloc-oversized.h
+++ b/lib/xalloc-oversized.h
@@ -1,6 +1,6 @@
 /* xalloc-oversized.h -- memory allocation size checking
 
-   Copyright (C) 1990-2000, 2003-2004, 2006-2017 Free Software Foundation, Inc.
+   Copyright (C) 1990-2000, 2003-2004, 2006-2018 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/m4/00gnulib.m4 b/m4/00gnulib.m4
index bb3512fd528..bd24796a670 100644
--- a/m4/00gnulib.m4
+++ b/m4/00gnulib.m4
@@ -1,5 +1,5 @@
 # 00gnulib.m4 serial 3
-dnl Copyright (C) 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2018 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 c73adc82d23..4e67e5fab2a 100644
--- a/m4/absolute-header.m4
+++ b/m4/absolute-header.m4
@@ -1,5 +1,5 @@
 # absolute-header.m4 serial 16
-dnl Copyright (C) 2006-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2018 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 bf988d55c5c..485cf9af08b 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, 2004-2017 Free Software Foundation, Inc.
+# Copyright (C) 2002, 2004-2018 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 867954a2e37..b9d94e89a74 100644
--- a/m4/alloca.m4
+++ b/m4/alloca.m4
@@ -1,5 +1,5 @@
 # alloca.m4 serial 14
-dnl Copyright (C) 2002-2004, 2006-2007, 2009-2017 Free Software Foundation,
+dnl Copyright (C) 2002-2004, 2006-2007, 2009-2018 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/byteswap.m4 b/m4/byteswap.m4
index f20d0f49061..c64238f25a1 100644
--- a/m4/byteswap.m4
+++ b/m4/byteswap.m4
@@ -1,5 +1,5 @@
 # byteswap.m4 serial 4
-dnl Copyright (C) 2005, 2007, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2005, 2007, 2009-2018 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 c2f298749a5..ccff0e6e8a2 100644
--- a/m4/c-strtod.m4
+++ b/m4/c-strtod.m4
@@ -1,6 +1,6 @@
 # c-strtod.m4 serial 15
 
-# Copyright (C) 2004-2006, 2009-2017 Free Software Foundation, Inc.
+# Copyright (C) 2004-2006, 2009-2018 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 21b6f256769..47791f9211e 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, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2006, 2009-2018 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 65a1acce6d4..c9bf62e9572 100644
--- a/m4/close-stream.m4
+++ b/m4/close-stream.m4
@@ -1,5 +1,5 @@
 #serial 4
-dnl Copyright (C) 2006-2007, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2007, 2009-2018 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 b6e97cf13f8..99ffdb261d1 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) 2012-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2012-2018 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 e1ff59d1726..dead235b606 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, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2007, 2009-2018 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 9a2cfa00b33..2bb97674121 100644
--- a/m4/count-trailing-zeros.m4
+++ b/m4/count-trailing-zeros.m4
@@ -1,5 +1,5 @@
 # count-trailing-zeros.m4
-dnl Copyright (C) 2013-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2013-2018 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 c819fc02f84..ab6463d71d5 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, 2009-2017 Free Software Foundation, Inc.
+# Copyright (C) 1997, 1999-2004, 2006, 2009-2018 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 1f9c4f31f7d..b054a920b52 100644
--- a/m4/dirent_h.m4
+++ b/m4/dirent_h.m4
@@ -1,5 +1,5 @@
 # dirent_h.m4 serial 16
-dnl Copyright (C) 2008-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2008-2018 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 d472c38549d..48589b916fc 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, 2008-2017 Free Software Foundation, Inc.
+# Copyright (C) 2001-2006, 2008-2018 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 bdb9ae25018..c785d37339a 100644
--- a/m4/dup2.m4
+++ b/m4/dup2.m4
@@ -1,5 +1,5 @@
 #serial 25
-dnl Copyright (C) 2002, 2005, 2007, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2005, 2007, 2009-2018 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 3b9fa5f58bd..68b67eaca4e 100644
--- a/m4/environ.m4
+++ b/m4/environ.m4
@@ -1,5 +1,5 @@
 # environ.m4 serial 6
-dnl Copyright (C) 2001-2004, 2006-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2001-2004, 2006-2018 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 9f0f2f2fb32..9dbdedd505a 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, 2008-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2004, 2006, 2008-2018 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 02fca291761..8a562822e46 100644
--- a/m4/euidaccess.m4
+++ b/m4/euidaccess.m4
@@ -1,5 +1,5 @@
 # euidaccess.m4 serial 15
-dnl Copyright (C) 2002-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2018 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 38483f551ce..c39231d04a6 100644
--- a/m4/execinfo.m4
+++ b/m4/execinfo.m4
@@ -1,6 +1,6 @@
 # Check for GNU-style execinfo.h.
 
-dnl Copyright 2012-2017 Free Software Foundation, Inc.
+dnl Copyright 2012-2018 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 f9dc678207a..ba0eefeb4f3 100644
--- a/m4/explicit_bzero.m4
+++ b/m4/explicit_bzero.m4
@@ -1,4 +1,4 @@
-dnl Copyright 2017 Free Software Foundation, Inc.
+dnl Copyright 2017-2018 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 f8543386795..d1b23215b05 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, 2006-2017 Free Software Foundation, Inc.
+# Copyright (C) 2003, 2006-2018 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 207aa6a0895..da8a2cc01c7 100644
--- a/m4/extern-inline.m4
+++ b/m4/extern-inline.m4
@@ -1,6 +1,6 @@
 dnl 'extern inline' a la ISO C99.
 
-dnl Copyright 2012-2017 Free Software Foundation, Inc.
+dnl Copyright 2012-2018 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 c64545abd46..eb6df9ad4e9 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) 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2018 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 dda3b5f2c74..46b2445191f 100644
--- a/m4/fcntl.m4
+++ b/m4/fcntl.m4
@@ -1,5 +1,5 @@
 # fcntl.m4 serial 9
-dnl Copyright (C) 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2018 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 09c21eff91b..9fd3ab1a829 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, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2007, 2009-2018 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 949065f7c5a..fd8e4320d21 100644
--- a/m4/fdatasync.m4
+++ b/m4/fdatasync.m4
@@ -1,5 +1,5 @@
 # fdatasync.m4 serial 4
-dnl Copyright (C) 2008-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2008-2018 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 51c2b64b03f..df44d5edfb4 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) 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2018 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 91602e18088..dd649a418ce 100644
--- a/m4/filemode.m4
+++ b/m4/filemode.m4
@@ -1,5 +1,5 @@
 # filemode.m4 serial 8
-dnl Copyright (C) 2002, 2005-2006, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2005-2006, 2009-2018 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/flexmember.m4 b/m4/flexmember.m4
index 9d3b50d1575..db93cf35882 100644
--- a/m4/flexmember.m4
+++ b/m4/flexmember.m4
@@ -1,7 +1,7 @@
 # serial 5
 # Check for flexible array member support.
 
-# Copyright (C) 2006, 2009-2017 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2009-2018 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 3a5e934c251..c897073de71 100644
--- a/m4/fpending.m4
+++ b/m4/fpending.m4
@@ -1,6 +1,6 @@
 # serial 22
 
-# Copyright (C) 2000-2001, 2004-2017 Free Software Foundation, Inc.
+# Copyright (C) 2000-2001, 2004-2018 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 767eb83db4b..ac353bf9ca5 100644
--- a/m4/fstatat.m4
+++ b/m4/fstatat.m4
@@ -1,5 +1,5 @@
 # fstatat.m4 serial 4
-dnl Copyright (C) 2004-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2004-2018 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 f1399de3950..d7fa8cc2248 100644
--- a/m4/fsync.m4
+++ b/m4/fsync.m4
@@ -1,5 +1,5 @@
 # fsync.m4 serial 2
-dnl Copyright (C) 2008-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2008-2018 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 f1e4f5f699e..4cc1a8ff21e 100644
--- a/m4/getdtablesize.m4
+++ b/m4/getdtablesize.m4
@@ -1,5 +1,5 @@
 # getdtablesize.m4 serial 7
-dnl Copyright (C) 2008-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2008-2018 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 17f7409944e..d38240259f0 100644
--- a/m4/getgroups.m4
+++ b/m4/getgroups.m4
@@ -1,9 +1,9 @@
-# serial 19
+# serial 20
 
 dnl From Jim Meyering.
 dnl A wrapper around AC_FUNC_GETGROUPS.
 
-# Copyright (C) 1996-1997, 1999-2004, 2008-2017 Free Software Foundation, Inc.
+# Copyright (C) 1996-1997, 1999-2004, 2008-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -40,10 +40,10 @@ AC_DEFUN([AC_FUNC_GETGROUPS],
          [ac_cv_func_getgroups_works=yes],
          [ac_cv_func_getgroups_works=no],
          [case "$host_os" in # ((
-                    # Guess yes on glibc systems.
-            *-gnu*) ac_cv_func_getgroups_works="guessing yes" ;;
-                    # If we don't know, assume the worst.
-            *)      ac_cv_func_getgroups_works="guessing no" ;;
+                           # Guess yes on glibc systems.
+            *-gnu* | gnu*) ac_cv_func_getgroups_works="guessing yes" ;;
+                           # If we don't know, assume the worst.
+            *)             ac_cv_func_getgroups_works="guessing no" ;;
           esac
          ])
       ])
@@ -93,10 +93,10 @@ AC_DEFUN([gl_FUNC_GETGROUPS],
           [gl_cv_func_getgroups_works=yes],
           [gl_cv_func_getgroups_works=no],
           [case "$host_os" in
-                     # Guess yes on glibc systems.
-             *-gnu*) gl_cv_func_getgroups_works="guessing yes" ;;
-                     # If we don't know, assume the worst.
-             *)      gl_cv_func_getgroups_works="guessing no" ;;
+                            # Guess yes on glibc systems.
+             *-gnu* | gnu*) gl_cv_func_getgroups_works="guessing yes" ;;
+                            # If we don't know, assume the worst.
+             *)             gl_cv_func_getgroups_works="guessing no" ;;
            esac
           ])])
       case "$gl_cv_func_getgroups_works" in
diff --git a/m4/getloadavg.m4 b/m4/getloadavg.m4
index 86334cd0430..acc266531ed 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, 2008-2017 Free Software
+# Copyright (C) 1992-1996, 1999-2000, 2002-2003, 2006, 2008-2018 Free Software
 # Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
diff --git a/m4/getopt.m4 b/m4/getopt.m4
index 3ebc7b7edf5..0496250de0f 100644
--- a/m4/getopt.m4
+++ b/m4/getopt.m4
@@ -1,5 +1,5 @@
 # getopt.m4 serial 46
-dnl Copyright (C) 2002-2006, 2008-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2006, 2008-2018 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 1cdab2780d6..ad355463cce 100644
--- a/m4/gettime.m4
+++ b/m4/gettime.m4
@@ -1,5 +1,5 @@
 # gettime.m4 serial 8
-dnl Copyright (C) 2002, 2004-2006, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2004-2006, 2009-2018 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/gettimeofday.m4 b/m4/gettimeofday.m4
index efa114dfaff..198695ea7b0 100644
--- a/m4/gettimeofday.m4
+++ b/m4/gettimeofday.m4
@@ -1,6 +1,6 @@
-# serial 24
+# serial 25
 
-# Copyright (C) 2001-2003, 2005, 2007, 2009-2017 Free Software Foundation, Inc.
+# Copyright (C) 2001-2003, 2005, 2007, 2009-2018 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.
@@ -103,12 +103,12 @@ AC_DEFUN([gl_FUNC_GETTIMEOFDAY_CLOBBER],
      [gl_cv_func_gettimeofday_clobber=yes],
      [# When cross-compiling:
       case "$host_os" in
-                # Guess all is fine on glibc systems.
-        *-gnu*) gl_cv_func_gettimeofday_clobber="guessing no" ;;
-                # Guess no on native Windows.
-        mingw*) gl_cv_func_gettimeofday_clobber="guessing no" ;;
-                # If we don't know, assume the worst.
-        *)      gl_cv_func_gettimeofday_clobber="guessing yes" ;;
+                       # Guess all is fine on glibc systems.
+        *-gnu* | gnu*) gl_cv_func_gettimeofday_clobber="guessing no" ;;
+                       # Guess no on native Windows.
+        mingw*)        gl_cv_func_gettimeofday_clobber="guessing no" ;;
+                       # If we don't know, assume the worst.
+        *)             gl_cv_func_gettimeofday_clobber="guessing yes" ;;
       esac
      ])])
 
diff --git a/m4/gnulib-common.m4 b/m4/gnulib-common.m4
index bea5a650e76..de65f6b82e8 100644
--- a/m4/gnulib-common.m4
+++ b/m4/gnulib-common.m4
@@ -1,5 +1,5 @@
 # gnulib-common.m4 serial 38
-dnl Copyright (C) 2007-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2018 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 13459f9d886..167356faed4 100644
--- a/m4/gnulib-comp.m4
+++ b/m4/gnulib-comp.m4
@@ -1,5 +1,5 @@
 # DO NOT EDIT! GENERATED AUTOMATICALLY!
-# Copyright (C) 2002-2017 Free Software Foundation, Inc.
+# Copyright (C) 2002-2018 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 a68538d24dc..2a14dcf511a 100644
--- a/m4/group-member.m4
+++ b/m4/group-member.m4
@@ -1,6 +1,6 @@
 # serial 14
 
-# Copyright (C) 1999-2001, 2003-2007, 2009-2017 Free Software Foundation, Inc.
+# Copyright (C) 1999-2001, 2003-2007, 2009-2018 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 068f6f60a41..a363cb013be 100644
--- a/m4/include_next.m4
+++ b/m4/include_next.m4
@@ -1,5 +1,5 @@
 # include_next.m4 serial 24
-dnl Copyright (C) 2006-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2018 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 434a7ee2bca..8069493cab5 100644
--- a/m4/inttypes.m4
+++ b/m4/inttypes.m4
@@ -1,5 +1,5 @@
 # inttypes.m4 serial 26
-dnl Copyright (C) 2006-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2018 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 edc1a9b41ba..bec7cd13bca 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, 1998-2017 Free Software Foundation, Inc.
+# Copyright 1992-1996, 1998-2018 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 443f91b4dc9..511dcef5e04 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 2016-2017 Free Software Foundation, Inc.
+dnl Copyright 2016-2018 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 3965b5d9f2b..4b3ec57bfb2 100644
--- a/m4/localtime-buffer.m4
+++ b/m4/localtime-buffer.m4
@@ -1,5 +1,5 @@
 # localtime-buffer.m4 serial 1
-dnl Copyright (C) 2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2017-2018 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 9a3294bc2ca..27e63265a81 100644
--- a/m4/longlong.m4
+++ b/m4/longlong.m4
@@ -1,5 +1,5 @@
 # longlong.m4 serial 17
-dnl Copyright (C) 1999-2007, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 1999-2007, 2009-2018 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 6ba18cec574..ac6f143ce7d 100644
--- a/m4/lstat.m4
+++ b/m4/lstat.m4
@@ -1,6 +1,6 @@
-# serial 30
+# serial 31
 
-# Copyright (C) 1997-2001, 2003-2017 Free Software Foundation, Inc.
+# Copyright (C) 1997-2001, 2003-2018 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -53,7 +53,7 @@ AC_DEFUN([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK],
        [gl_cv_func_lstat_dereferences_slashed_symlink=yes],
        [gl_cv_func_lstat_dereferences_slashed_symlink=no],
        [case "$host_os" in
-          *-gnu*)
+          *-gnu* | gnu*)
             # Guess yes on glibc systems.
             gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;;
           mingw*)
diff --git a/m4/manywarnings.m4 b/m4/manywarnings.m4
index d10bcd08a0e..dda3d468aef 100644
--- a/m4/manywarnings.m4
+++ b/m4/manywarnings.m4
@@ -1,5 +1,5 @@
 # manywarnings.m4 serial 13
-dnl Copyright (C) 2008-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2008-2018 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 6d922da55d3..5f64f6e6be3 100644
--- a/m4/md5.m4
+++ b/m4/md5.m4
@@ -1,5 +1,5 @@
 # md5.m4 serial 14
-dnl Copyright (C) 2002-2006, 2008-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2006, 2008-2018 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 e180f6105fd..a036b3911f0 100644
--- a/m4/memrchr.m4
+++ b/m4/memrchr.m4
@@ -1,5 +1,5 @@
 # memrchr.m4 serial 10
-dnl Copyright (C) 2002-2003, 2005-2007, 2009-2017 Free Software Foundation,
+dnl Copyright (C) 2002-2003, 2005-2007, 2009-2018 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/minmax.m4 b/m4/minmax.m4
index 6845fce89c4..5e885087470 100644
--- a/m4/minmax.m4
+++ b/m4/minmax.m4
@@ -1,5 +1,5 @@
 # minmax.m4 serial 4
-dnl Copyright (C) 2005, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2005, 2009-2018 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 337f17b5c43..245598e5476 100644
--- a/m4/mkostemp.m4
+++ b/m4/mkostemp.m4
@@ -1,5 +1,5 @@
 # mkostemp.m4 serial 2
-dnl Copyright (C) 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2018 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 1461905fb93..4b3e399be9f 100644
--- a/m4/mktime.m4
+++ b/m4/mktime.m4
@@ -1,5 +1,5 @@
 # serial 30
-dnl Copyright (C) 2002-2003, 2005-2007, 2009-2017 Free Software Foundation,
+dnl Copyright (C) 2002-2003, 2005-2007, 2009-2018 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/mode_t.m4 b/m4/mode_t.m4
index 75d372a4a8a..83e276c53c7 100644
--- a/m4/mode_t.m4
+++ b/m4/mode_t.m4
@@ -1,5 +1,5 @@
 # mode_t.m4 serial 2
-dnl Copyright (C) 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2018 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 30006cb337b..38a11cc1d94 100644
--- a/m4/multiarch.m4
+++ b/m4/multiarch.m4
@@ -1,5 +1,5 @@
 # multiarch.m4 serial 7
-dnl Copyright (C) 2008-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2008-2018 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 2c2c5fb4570..87b2d4cbf69 100644
--- a/m4/nocrash.m4
+++ b/m4/nocrash.m4
@@ -1,5 +1,5 @@
 # nocrash.m4 serial 4
-dnl Copyright (C) 2005, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2005, 2009-2018 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 d2dac9e2328..bbb1f05409a 100644
--- a/m4/nstrftime.m4
+++ b/m4/nstrftime.m4
@@ -1,6 +1,6 @@
 # serial 34
 
-# Copyright (C) 1996-1997, 1999-2007, 2009-2017 Free Software Foundation, Inc.
+# Copyright (C) 1996-1997, 1999-2007, 2009-2018 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 92c45ef785c..f4d578751d5 100644
--- a/m4/off_t.m4
+++ b/m4/off_t.m4
@@ -1,5 +1,5 @@
 # off_t.m4 serial 1
-dnl Copyright (C) 2012-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2012-2018 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 897af66910f..a272784eb06 100644
--- a/m4/open-cloexec.m4
+++ b/m4/open-cloexec.m4
@@ -1,6 +1,6 @@
 # Test whether O_CLOEXEC is defined.
 
-dnl Copyright 2017 Free Software Foundation, Inc.
+dnl Copyright 2017-2018 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 68253e15ffd..8b3d4024e11 100644
--- a/m4/open.m4
+++ b/m4/open.m4
@@ -1,5 +1,5 @@
 # open.m4 serial 15
-dnl Copyright (C) 2007-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2018 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 7393343c582..c081b44909a 100644
--- a/m4/pipe2.m4
+++ b/m4/pipe2.m4
@@ -1,5 +1,5 @@
 # pipe2.m4 serial 2
-dnl Copyright (C) 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2018 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 eb1ad115cc2..edf4d828209 100644
--- a/m4/pselect.m4
+++ b/m4/pselect.m4
@@ -1,5 +1,5 @@
-# pselect.m4 serial 4
-dnl Copyright (C) 2011-2017 Free Software Foundation, Inc.
+# pselect.m4 serial 6
+dnl Copyright (C) 2011-2018 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.
@@ -51,10 +51,10 @@ AC_DEFUN([gl_FUNC_PSELECT],
       [gl_cv_func_pselect_detects_ebadf=no],
           [
            case "$host_os" in
-                    # Guess yes on glibc systems.
-            *-gnu*) gl_cv_func_pselect_detects_ebadf="guessing yes" ;;
-                    # If we don't know, assume the worst.
-            *)      gl_cv_func_pselect_detects_ebadf="guessing no" ;;
+                           # Guess yes on glibc systems.
+            *-gnu* | gnu*) gl_cv_func_pselect_detects_ebadf="guessing yes" ;;
+                           # If we don't know, assume the worst.
+            *)             gl_cv_func_pselect_detects_ebadf="guessing no" ;;
            esac
           ])
       ])
diff --git a/m4/pthread_sigmask.m4 b/m4/pthread_sigmask.m4
index ce36aaeddd0..a33b433c0ef 100644
--- a/m4/pthread_sigmask.m4
+++ b/m4/pthread_sigmask.m4
@@ -1,5 +1,5 @@
 # pthread_sigmask.m4 serial 16
-dnl Copyright (C) 2011-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2011-2018 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
diff --git a/m4/putenv.m4 b/m4/putenv.m4
index 08ae41697a5..f2a76b22bd8 100644
--- a/m4/putenv.m4
+++ b/m4/putenv.m4
@@ -1,5 +1,5 @@
-# putenv.m4 serial 21
-dnl Copyright (C) 2002-2017 Free Software Foundation, Inc.
+# putenv.m4 serial 22
+dnl Copyright (C) 2002-2018 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -34,12 +34,12 @@ AC_DEFUN([gl_FUNC_PUTENV],
              gl_cv_func_svid_putenv=no,
              dnl When crosscompiling, assume putenv is broken.
              [case "$host_os" in
-                        # Guess yes on glibc systems.
-                *-gnu*) gl_cv_func_svid_putenv="guessing yes" ;;
-                        # Guess no on native Windows.
-                mingw*) gl_cv_func_svid_putenv="guessing no" ;;
-                        # If we don't know, assume the worst.
-                *)      gl_cv_func_svid_putenv="guessing no" ;;
+                               # Guess yes on glibc systems.
+                *-gnu* | gnu*) gl_cv_func_svid_putenv="guessing yes" ;;
+                               # Guess no on native Windows.
+                mingw*)        gl_cv_func_svid_putenv="guessing no" ;;
+                               # If we don't know, assume the worst.
+                *)             gl_cv_func_svid_putenv="guessing no" ;;
               esac
              ])
    ])
diff --git a/m4/readlink.m4 b/m4/readlink.m4
index d3ba0ad4213..9d73f5cfa18 100644
--- a/m4/readlink.m4
+++ b/m4/readlink.m4
@@ -1,5 +1,5 @@
-# readlink.m4 serial 12
-dnl Copyright (C) 2003, 2007, 2009-2017 Free Software Foundation, Inc.
+# readlink.m4 serial 13
+dnl Copyright (C) 2003, 2007, 2009-2018 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.
@@ -34,10 +34,10 @@ AC_DEFUN([gl_FUNC_READLINK],
       return readlink ("conftest.lnk2/", buf, sizeof buf) != -1;]])],
          [gl_cv_func_readlink_works=yes], [gl_cv_func_readlink_works=no],
          [case "$host_os" in
-                    # Guess yes on glibc systems.
-            *-gnu*) gl_cv_func_readlink_works="guessing yes" ;;
-                    # If we don't know, assume the worst.
-            *)      gl_cv_func_readlink_works="guessing no" ;;
+                           # Guess yes on glibc systems.
+            *-gnu* | gnu*) gl_cv_func_readlink_works="guessing yes" ;;
+                           # If we don't know, assume the worst.
+            *)             gl_cv_func_readlink_works="guessing no" ;;
           esac
          ])
       rm -f conftest.link conftest.lnk2])
diff --git a/m4/readlinkat.m4 b/m4/readlinkat.m4
index e173e41327c..b3e447cbf48 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) 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2018 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 864a5315560..99006f7a4e7 100644
--- a/m4/sha1.m4
+++ b/m4/sha1.m4
@@ -1,5 +1,5 @@
 # sha1.m4 serial 12
-dnl Copyright (C) 2002-2006, 2008-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2006, 2008-2018 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 0ebbdf02959..cdc656af14b 100644
--- a/m4/sha256.m4
+++ b/m4/sha256.m4
@@ -1,5 +1,5 @@
 # sha256.m4 serial 8
-dnl Copyright (C) 2005, 2008-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2005, 2008-2018 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 b9db2fe5eb4..ac5257c4b38 100644
--- a/m4/sha512.m4
+++ b/m4/sha512.m4
@@ -1,5 +1,5 @@
 # sha512.m4 serial 9
-dnl Copyright (C) 2005-2006, 2008-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2005-2006, 2008-2018 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 c8b89964174..b175706d70d 100644
--- a/m4/sig2str.m4
+++ b/m4/sig2str.m4
@@ -1,5 +1,5 @@
 # serial 7
-dnl Copyright (C) 2002, 2005-2006, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2005-2006, 2009-2018 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 eaf5ce98e4a..394b91d3b24 100644
--- a/m4/signal_h.m4
+++ b/m4/signal_h.m4
@@ -1,5 +1,5 @@
 # signal_h.m4 serial 18
-dnl Copyright (C) 2007-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2018 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 0a62f49d686..f2d996d0eb8 100644
--- a/m4/socklen.m4
+++ b/m4/socklen.m4
@@ -1,5 +1,5 @@
 # socklen.m4 serial 10
-dnl Copyright (C) 2005-2007, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2005-2007, 2009-2018 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 66ba9d4ea25..0977f205f3d 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, 2010-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2001-2003, 2006, 2010-2018 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/st_dm_mode.m4 b/m4/st_dm_mode.m4
index ed2cff8c2cc..0fa7afad1f2 100644
--- a/m4/st_dm_mode.m4
+++ b/m4/st_dm_mode.m4
@@ -1,6 +1,6 @@
 # serial 6
 
-# Copyright (C) 1998-1999, 2001, 2009-2017 Free Software Foundation, Inc.
+# Copyright (C) 1998-1999, 2001, 2009-2018 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 4017fc9d7f1..d0d17ed4ff7 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, 2009-2017 Free Software
+# Copyright (C) 1998-1999, 2001, 2003, 2005-2007, 2009-2018 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 c0466beb404..c85ac430150 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) 2001-2017 Free Software Foundation, Inc.
+# Copyright (C) 2001-2018 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 f091aa58c29..c74fe9b70b6 100644
--- a/m4/stdalign.m4
+++ b/m4/stdalign.m4
@@ -1,6 +1,6 @@
 # Check for stdalign.h that conforms to C11.
 
-dnl Copyright 2011-2017 Free Software Foundation, Inc.
+dnl Copyright 2011-2018 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 f45def10138..ba3d201cf37 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) 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2018 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 4bf3e474515..b86184c2ea6 100644
--- a/m4/stdint.m4
+++ b/m4/stdint.m4
@@ -1,5 +1,5 @@
 # stdint.m4 serial 51
-dnl Copyright (C) 2001-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2001-2018 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 9ffbb852ead..e06461e6934 100644
--- a/m4/stdio_h.m4
+++ b/m4/stdio_h.m4
@@ -1,5 +1,5 @@
 # stdio_h.m4 serial 48
-dnl Copyright (C) 2007-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2018 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 35373463682..eff6f9e685b 100644
--- a/m4/stdlib_h.m4
+++ b/m4/stdlib_h.m4
@@ -1,5 +1,5 @@
 # stdlib_h.m4 serial 44
-dnl Copyright (C) 2007-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2007-2018 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 368656723d1..e431fd86d85 100644
--- a/m4/stpcpy.m4
+++ b/m4/stpcpy.m4
@@ -1,5 +1,5 @@
 # stpcpy.m4 serial 8
-dnl Copyright (C) 2002, 2007, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2007, 2009-2018 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 8c42cf1b851..97c80dcc157 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) 2007-2017 Free Software Foundation, Inc.
+# Copyright (C) 2007-2018 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 61809c8b5db..d3259f35d55 100644
--- a/m4/strtoimax.m4
+++ b/m4/strtoimax.m4
@@ -1,5 +1,5 @@
 # strtoimax.m4 serial 15
-dnl Copyright (C) 2002-2004, 2006, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2004, 2006, 2009-2018 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/strtoll.m4 b/m4/strtoll.m4
index 9c2a903428a..5f348522df4 100644
--- a/m4/strtoll.m4
+++ b/m4/strtoll.m4
@@ -1,5 +1,5 @@
 # strtoll.m4 serial 7
-dnl Copyright (C) 2002, 2004, 2006, 2008-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2004, 2006, 2008-2018 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/symlink.m4 b/m4/symlink.m4
index 220ea1922e7..a452f7cc3a8 100644
--- a/m4/symlink.m4
+++ b/m4/symlink.m4
@@ -1,7 +1,7 @@
-# serial 6
+# serial 7
 # See if we need to provide symlink replacement.
 
-dnl Copyright (C) 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2009-2018 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.
@@ -36,10 +36,10 @@ AC_DEFUN([gl_FUNC_SYMLINK],
            ]])],
          [gl_cv_func_symlink_works=yes], [gl_cv_func_symlink_works=no],
          [case "$host_os" in
-                    # Guess yes on glibc systems.
-            *-gnu*) gl_cv_func_symlink_works="guessing yes" ;;
-                    # If we don't know, assume the worst.
-            *)      gl_cv_func_symlink_works="guessing no" ;;
+                           # Guess yes on glibc systems.
+            *-gnu* | gnu*) gl_cv_func_symlink_works="guessing yes" ;;
+                           # If we don't know, assume the worst.
+            *)             gl_cv_func_symlink_works="guessing no" ;;
           esac
          ])
       rm -f conftest.f conftest.link conftest.lnk2])
diff --git a/m4/sys_select_h.m4 b/m4/sys_select_h.m4
index 4ec28009da2..8e9eff4bc07 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) 2006-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2018 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 3ecbe7c0213..f21037879d8 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) 2005-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2005-2018 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 89342789828..52f06aa8e8e 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) 2006-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2018 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 1c8c3cfcc32..d7e9268db5b 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, 2009-2017 Free Software Foundation, Inc.
+# Copyright (C) 2007, 2009-2018 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 75097713d98..2debfb0d5b7 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) 2011-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2011-2018 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 a59f4c08681..ed813f173a8 100644
--- a/m4/tempname.m4
+++ b/m4/tempname.m4
@@ -1,6 +1,6 @@
 #serial 5
 
-# Copyright (C) 2006-2007, 2009-2017 Free Software Foundation, Inc.
+# Copyright (C) 2006-2007, 2009-2018 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 28e22092e14..ad6f2f591c9 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, 2009-2017 Free Software Foundation, Inc.
+# Copyright (C) 2000-2001, 2003-2007, 2009-2018 Free Software Foundation, Inc.
 
 # serial 11
 
diff --git a/m4/time_r.m4 b/m4/time_r.m4
index 3e24ccb2e0b..daf4bbae490 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, 2006-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2003, 2006-2018 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 3991118b61c..43781489786 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) 2015-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2015-2018 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 1f18552e9f5..46f599c1ebb 100644
--- a/m4/timegm.m4
+++ b/m4/timegm.m4
@@ -1,5 +1,5 @@
 # timegm.m4 serial 12
-dnl Copyright (C) 2003, 2007, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2003, 2007, 2009-2018 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 84c460d752f..d5c35c578df 100644
--- a/m4/timer_time.m4
+++ b/m4/timer_time.m4
@@ -1,5 +1,5 @@
 # timer_time.m4 serial 3
-dnl Copyright (C) 2011-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2011-2018 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 c901468ed80..accabf9c433 100644
--- a/m4/timespec.m4
+++ b/m4/timespec.m4
@@ -1,6 +1,6 @@
 #serial 15
 
-# Copyright (C) 2000-2001, 2003-2007, 2009-2017 Free Software Foundation, Inc.
+# Copyright (C) 2000-2001, 2003-2007, 2009-2018 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 32db008d941..56c48a61044 100644
--- a/m4/tm_gmtoff.m4
+++ b/m4/tm_gmtoff.m4
@@ -1,5 +1,5 @@
 # tm_gmtoff.m4 serial 3
-dnl Copyright (C) 2002, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2002, 2009-2018 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 60e7ea4d049..b3b71ec2709 100644
--- a/m4/unistd_h.m4
+++ b/m4/unistd_h.m4
@@ -1,5 +1,5 @@
 # unistd_h.m4 serial 71
-dnl Copyright (C) 2006-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2006-2018 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 448ccac2f0e..7e46367f425 100644
--- a/m4/unlocked-io.m4
+++ b/m4/unlocked-io.m4
@@ -1,6 +1,6 @@
 # unlocked-io.m4 serial 15
 
-# Copyright (C) 1998-2006, 2009-2017 Free Software Foundation, Inc.
+# Copyright (C) 1998-2006, 2009-2018 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 f3feab38da3..16798a0ad1e 100644
--- a/m4/utimens.m4
+++ b/m4/utimens.m4
@@ -1,4 +1,4 @@
-dnl Copyright (C) 2003-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2003-2018 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 847b2eba78f..f62d5f8b655 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, 2009-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2003-2005, 2009-2018 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 2f678e381eb..329eb490c3c 100644
--- a/m4/vararrays.m4
+++ b/m4/vararrays.m4
@@ -4,7 +4,7 @@
 
 # From Paul Eggert
 
-# Copyright (C) 2001, 2009-2017 Free Software Foundation, Inc.
+# Copyright (C) 2001, 2009-2018 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 870472b624b..eb1c795c598 100644
--- a/m4/warnings.m4
+++ b/m4/warnings.m4
@@ -1,5 +1,5 @@
 # warnings.m4 serial 13
-dnl Copyright (C) 2008-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2008-2018 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 11783d299a7..83bc3d5bd1d 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, 2008-2017 Free Software Foundation, Inc.
+dnl Copyright (C) 2002-2003, 2008-2018 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.