Update from Gnulib

This includes:
2018-03-07 maint: write-file-hooks -> before-save-hook
2018-03-05 binary-io: pacify gcc -Wunused-parameter
2018-03-05 fflush: adjust to glibc 2.28 libio.h removal
* build-aux/config.guess, build-aux/config.sub:
* build-aux/gitlog-to-changelog, build-aux/install-sh:
* build-aux/move-if-change, build-aux/update-copyright:
* doc/misc/texinfo.tex, lib/binary-io.h, lib/fpending.c:
* lib/stdio-impl.h: Copy from Gnulib.

6 files changed, 14 insertions, 18 deletions

diff --git a/build-aux/config.guess b/build-aux/config.guess
index f50dcdb6de2..256083a70d3 100755
--- a/build-aux/config.guess
+++ b/build-aux/config.guess
@@ -2,7 +2,7 @@
 # Attempt to guess a canonical system name.
 #   Copyright 1992-2018 Free Software Foundation, Inc.
 
-timestamp='2018-02-24'
+timestamp='2018-03-08'
 
 # 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
@@ -1046,11 +1046,7 @@ EOF
         echo "$UNAME_MACHINE"-dec-linux-"$LIBC"
         exit ;;
     x86_64:Linux:*:*)
-        if objdump -f /bin/sh | grep -q elf32-x86-64; then
-            echo "$UNAME_MACHINE"-pc-linux-"$LIBC"x32
-        else
-            echo "$UNAME_MACHINE"-pc-linux-"$LIBC"
-        fi
+        echo "$UNAME_MACHINE"-pc-linux-"$LIBC"
         exit ;;
     xtensa*:Linux:*:*)
         echo "$UNAME_MACHINE"-unknown-linux-"$LIBC"
@@ -1473,7 +1469,7 @@ EOF
 exit 1
 
 # Local variables:
-# eval: (add-hook 'write-file-functions 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "timestamp='"
 # time-stamp-format: "%:y-%02m-%02d"
 # time-stamp-end: "'"
diff --git a/build-aux/config.sub b/build-aux/config.sub
index 1d8e98bcee2..9ccf09a7a33 100755
--- a/build-aux/config.sub
+++ b/build-aux/config.sub
@@ -2,7 +2,7 @@
 # Configuration validation subroutine script.
 #   Copyright 1992-2018 Free Software Foundation, Inc.
 
-timestamp='2018-02-22'
+timestamp='2018-03-08'
 
 # 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
@@ -1376,7 +1376,7 @@ case $os in
               | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
               | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
               | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
-              | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
+              | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* | -hcos* \
               | -chorusos* | -chorusrdb* | -cegcc* | -glidix* \
               | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
               | -midipix* | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \
@@ -1794,7 +1794,7 @@ echo "$basic_machine$os"
 exit
 
 # Local variables:
-# eval: (add-hook 'write-file-functions 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "timestamp='"
 # time-stamp-format: "%:y-%02m-%02d"
 # time-stamp-end: "'"
diff --git a/build-aux/gitlog-to-changelog b/build-aux/gitlog-to-changelog
index d8074aadabf..1e73f4214f7 100755
--- a/build-aux/gitlog-to-changelog
+++ b/build-aux/gitlog-to-changelog
@@ -3,7 +3,7 @@ eval '(exit $?0)' && eval 'exec perl -wS "$0" "$@"'
     if 0;
 # Convert git log output to ChangeLog format.
 
-my $VERSION = '2017-09-13 06:45'; # UTC
+my $VERSION = '2018-03-07 03:47'; # UTC
 # The definition above must lie within the first 8 lines in order
 # for the Emacs time-stamp write hook (at end) to update it.
 # If you change this file with Emacs, please let the write hook
@@ -491,7 +491,7 @@ sub git_dir_option($)
 # Local Variables:
 # mode: perl
 # indent-tabs-mode: nil
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "my $VERSION = '"
 # time-stamp-format: "%:y-%02m-%02d %02H:%02M"
 # time-stamp-time-zone: "UTC0"
diff --git a/build-aux/install-sh b/build-aux/install-sh
index ac159ceda40..5f3d36cb761 100755
--- a/build-aux/install-sh
+++ b/build-aux/install-sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # install - install a program, script, or datafile
 
-scriptversion=2017-09-23.17; # UTC
+scriptversion=2018-03-07.03; # UTC
 
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
@@ -501,7 +501,7 @@ do
 done
 
 # Local variables:
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
 # time-stamp-time-zone: "UTC0"
diff --git a/build-aux/move-if-change b/build-aux/move-if-change
index f15923613c8..5da3eae80ae 100755
--- a/build-aux/move-if-change
+++ b/build-aux/move-if-change
@@ -2,7 +2,7 @@
 # Like mv $1 $2, but if the files are the same, just delete $1.
 # Status is zero if successful, nonzero otherwise.
 
-VERSION='2017-09-13 06:45'; # UTC
+VERSION='2018-03-07 03:47'; # UTC
 # The definition above must lie within the first 8 lines in order
 # for the Emacs time-stamp write hook (at end) to update it.
 # If you change this file with Emacs, please let the write hook
@@ -75,7 +75,7 @@ else
 fi
 
 ## Local Variables:
-## eval: (add-hook 'write-file-hooks 'time-stamp)
+## eval: (add-hook 'before-save-hook 'time-stamp)
 ## time-stamp-start: "VERSION='"
 ## time-stamp-format: "%:y-%02m-%02d %02H:%02M"
 ## time-stamp-time-zone: "UTC0"
diff --git a/build-aux/update-copyright b/build-aux/update-copyright
index 3bb26abea1b..f2fc97e368f 100755
--- a/build-aux/update-copyright
+++ b/build-aux/update-copyright
@@ -3,7 +3,7 @@ eval '(exit $?0)' && eval 'exec perl -wS -0777 -pi "$0" "$@"'
     if 0;
 # Update an FSF copyright year list to include the current year.
 
-my $VERSION = '2018-01-04.14:48'; # UTC
+my $VERSION = '2018-03-07.03:47'; # UTC
 
 # Copyright (C) 2009-2018 Free Software Foundation, Inc.
 #
@@ -269,7 +269,7 @@ else
 # coding: utf-8
 # mode: perl
 # indent-tabs-mode: nil
-# eval: (add-hook 'write-file-hooks 'time-stamp)
+# eval: (add-hook 'before-save-hook 'time-stamp)
 # time-stamp-start: "my $VERSION = '"
 # time-stamp-format: "%:y-%02m-%02d.%02H:%02M"
 # time-stamp-time-zone: "UTC0"