Add Gnulib maintainer modules.

* m4/gnulib-cache.m4: Add `announce-gen', `gendocs', `gitlog-to-changelog',
  `gnupload', `gnu-web-doc-update', and `maintainer-makefile'.

* .gnuploadrc, .x-sc_GPL_version, .x-sc_avoid_if_before_free,
  .x-sc_error_message_period, .x-sc_cast_of_alloca_return_value,
  .x-sc_cast_of_argument_to_free, .x-sc_error_message_uppercase,
  .x-sc_error_message_warn_fatal: New files.

21 files changed, 2867 insertions, 8 deletions

diff --git a/.gnuploadrc b/.gnuploadrc
new file mode 100644
index 000000000..29acf7312
--- /dev/null
+++ b/.gnuploadrc
@@ -0,0 +1 @@
+--user ludo@gnu.org
diff --git a/.x-sc_GPL_version b/.x-sc_GPL_version
new file mode 100644
index 000000000..38a66f944
--- /dev/null
+++ b/.x-sc_GPL_version
@@ -0,0 +1,4 @@
+^lib/
+^gc-benchmarks/
+^libguile/libgettext.h
+^libguile/mkstemp.c
diff --git a/.x-sc_avoid_if_before_free b/.x-sc_avoid_if_before_free
new file mode 100644
index 000000000..327edd463
--- /dev/null
+++ b/.x-sc_avoid_if_before_free
@@ -0,0 +1 @@
+^lib/
diff --git a/.x-sc_cast_of_alloca_return_value b/.x-sc_cast_of_alloca_return_value
new file mode 100644
index 000000000..327edd463
--- /dev/null
+++ b/.x-sc_cast_of_alloca_return_value
@@ -0,0 +1 @@
+^lib/
diff --git a/.x-sc_cast_of_argument_to_free b/.x-sc_cast_of_argument_to_free
new file mode 100644
index 000000000..700a6cd99
--- /dev/null
+++ b/.x-sc_cast_of_argument_to_free
@@ -0,0 +1 @@
+^libguile/stime.c
diff --git a/.x-sc_error_message_period b/.x-sc_error_message_period
new file mode 100644
index 000000000..aa64efa67
--- /dev/null
+++ b/.x-sc_error_message_period
@@ -0,0 +1 @@
+^gc-benchmarks/
diff --git a/.x-sc_error_message_uppercase b/.x-sc_error_message_uppercase
new file mode 100644
index 000000000..25078a12b
--- /dev/null
+++ b/.x-sc_error_message_uppercase
@@ -0,0 +1,6 @@
+^libguile/
+^guile-readline/
+^gc-benchmarks/
+^emacs/
+^NEWS
+^doc/
diff --git a/.x-sc_error_message_warn_fatal b/.x-sc_error_message_warn_fatal
new file mode 100644
index 000000000..f01a512b1
--- /dev/null
+++ b/.x-sc_error_message_warn_fatal
@@ -0,0 +1 @@
+^module/ice-9/match.scm
diff --git a/GNUmakefile b/GNUmakefile
new file mode 100644
index 000000000..33eb3aa4d
--- /dev/null
+++ b/GNUmakefile
@@ -0,0 +1,127 @@
+# Having a separate GNUmakefile lets me `include' the dynamically
+# generated rules created via cfg.mk (package-local configuration)
+# as well as maint.mk (generic maintainer rules).
+# This makefile is used only if you run GNU Make.
+# It is necessary if you want to build targets usually of interest
+# only to the maintainer.
+
+# Copyright (C) 2001, 2003, 2006-2009 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 Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Systems where /bin/sh is not the default shell need this.  The $(shell)
+# command below won't work with e.g. stock DOS/Windows shells.
+ifeq ($(wildcard /bin/s[h]),/bin/sh)
+SHELL = /bin/sh
+else
+# will be used only with the next shell-test line, then overwritten
+# by a configured-in value
+SHELL = sh
+endif
+
+# If the user runs GNU make but has not yet run ./configure,
+# give them a diagnostic.
+_have-Makefile := $(shell test -f Makefile && echo yes)
+ifeq ($(_have-Makefile),yes)
+
+# Make tar archive easier to reproduce.
+export TAR_OPTIONS = --owner=0 --group=0 --numeric-owner
+
+# Allow the user to add to this in the Makefile.
+ALL_RECURSIVE_TARGETS =
+
+include Makefile
+
+# Some projects override e.g., _autoreconf here.
+-include $(srcdir)/cfg.mk
+include $(srcdir)/maint.mk
+
+# Allow cfg.mk to override these.
+_build-aux ?= build-aux
+_autoreconf ?= autoreconf
+
+# Ensure that $(VERSION) is up to date for dist-related targets, but not
+# for others: rerunning autoreconf and recompiling everything isn't cheap.
+_have-git-version-gen := \
+  $(shell test -f $(srcdir)/$(_build-aux)/git-version-gen && echo yes)
+ifeq ($(_have-git-version-gen)0,yes$(MAKELEVEL))
+  _is-dist-target ?= $(filter-out %clean, \
+    $(filter maintainer-% dist% alpha beta major,$(MAKECMDGOALS)))
+  _is-install-target ?= $(filter-out %check, $(filter install%,$(MAKECMDGOALS)))
+  ifneq (,$(_is-dist-target)$(_is-install-target))
+    _curr-ver := $(shell cd $(srcdir) \
+                   && $(_build-aux)/git-version-gen .tarball-version)
+    ifneq ($(_curr-ver),$(VERSION))
+      ifeq ($(_curr-ver),UNKNOWN)
+        $(info WARNING: unable to verify if $(VERSION) is the correct version)
+      else
+        ifneq (,$(_is-install-target))
+          # GNU Coding Standards state that 'make install' should not cause
+          # recompilation after 'make all'.  But as long as changing the version
+          # string alters config.h, the cost of having 'make all' always have an
+          # up-to-date version is prohibitive.  So, as a compromise, we merely
+          # warn when installing a version string that is out of date; the user
+          # should run 'autoreconf' (or something like 'make distcheck') to
+          # fix the version, 'make all' to propagate it, then 'make install'.
+          $(info WARNING: version string $(VERSION) is out of date;)
+          $(info run '$(MAKE) _version' to fix it)
+        else
+          $(info INFO: running autoreconf for new version string: $(_curr-ver))
+          _dummy := $(shell $(MAKE) $(AM_MAKEFLAGS) _version)
+        endif
+      endif
+    endif
+  endif
+endif
+
+.PHONY: _version
+_version:
+	cd $(srcdir) && rm -rf autom4te.cache .version && $(_autoreconf)
+
+else
+
+.DEFAULT_GOAL := abort-due-to-no-makefile
+srcdir = .
+
+# The package can override .DEFAULT_GOAL to run actions like autoreconf.
+-include ./cfg.mk
+include ./maint.mk
+
+ifeq ($(.DEFAULT_GOAL),abort-due-to-no-makefile)
+$(MAKECMDGOALS): abort-due-to-no-makefile
+endif
+
+abort-due-to-no-makefile:
+	@echo There seems to be no Makefile in this directory.   1>&2
+	@echo "You must run ./configure before running \`make'." 1>&2
+	@exit 1
+
+endif
+
+# Tell version 3.79 and up of GNU make to not build goals in this
+# directory in parallel, in case someone tries to build multiple
+# targets, and one of them can cause a recursive target to be invoked.
+
+# Only set this if Automake doesn't provide it.
+AM_RECURSIVE_TARGETS ?= $(RECURSIVE_TARGETS:-recursive=) \
+  $(RECURSIVE_CLEAN_TARGETS:-recursive=) \
+  dist distcheck tags ctags
+
+ALL_RECURSIVE_TARGETS += $(AM_RECURSIVE_TARGETS)
+
+ifneq ($(word 2, $(MAKECMDGOALS)), )
+ifneq ($(filter $(ALL_RECURSIVE_TARGETS), $(MAKECMDGOALS)), )
+.NOTPARALLEL:
+endif
+endif
diff --git a/build-aux/announce-gen b/build-aux/announce-gen
new file mode 100755
index 000000000..e6be9f81e
--- /dev/null
+++ b/build-aux/announce-gen
@@ -0,0 +1,495 @@
+eval '(exit $?0)' && eval 'exec perl -wS "$0" ${1+"$@"}'
+  & eval 'exec perl -wS "$0" $argv:q'
+    if 0;
+# Generate a release announcement message.
+
+my $VERSION = '2009-10-30 15:59'; # 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
+# do its job.  Otherwise, update this string manually.
+
+# Copyright (C) 2002-2009 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 Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Written by Jim Meyering
+
+use strict;
+
+use Getopt::Long;
+use Digest::MD5;
+use Digest::SHA1;
+use POSIX qw(strftime);
+
+(my $ME = $0) =~ s|.*/||;
+
+my %valid_release_types = map {$_ => 1} qw (alpha beta stable);
+my @archive_suffixes = ('tar.gz', 'tar.bz2', 'tar.lzma', 'tar.xz');
+
+sub usage ($)
+{
+  my ($exit_code) = @_;
+  my $STREAM = ($exit_code == 0 ? *STDOUT : *STDERR);
+  if ($exit_code != 0)
+    {
+      print $STREAM "Try `$ME --help' for more information.\n";
+    }
+  else
+    {
+      my @types = sort keys %valid_release_types;
+      print $STREAM <<EOF;
+Usage: $ME [OPTIONS]
+Generate an announcement message.
+
+OPTIONS:
+
+These options must be specified:
+
+   --release-type=TYPE          TYPE must be one of @types
+   --package-name=PACKAGE_NAME
+   --previous-version=VER
+   --current-version=VER
+   --gpg-key-id=ID         The GnuPG ID of the key used to sign the tarballs
+   --url-directory=URL_DIR
+
+The following are optional:
+
+   --news=NEWS_FILE
+   --bootstrap-tools=TOOL_LIST  a comma-separated list of tools, e.g.,
+                                autoconf,automake,bison,gnulib
+   --gnulib-version=VERSION     report VERSION as the gnulib version, where
+                                VERSION is the result of running git describe
+                                in the gnulib source directory.
+                                required if gnulib is in TOOL_LIST.
+   --no-print-checksums         do not emit MD5 or SHA1 checksums
+   --archive-suffix=SUF         add SUF to the list of archive suffixes
+
+   --help             display this help and exit
+   --version          output version information and exit
+
+EOF
+    }
+  exit $exit_code;
+}
+
+
+=item C<%size> = C<sizes (@file)>
+
+Compute the sizes of the C<@file> and return them as a hash.  Return
+C<undef> if one of the computation failed.
+
+=cut
+
+sub sizes (@)
+{
+  my (@file) = @_;
+
+  my $fail = 0;
+  my %res;
+  foreach my $f (@file)
+    {
+      my $cmd = "du --human $f";
+      my $t = `$cmd`;
+      # FIXME-someday: give a better diagnostic, a la $PROCESS_STATUS
+      $@
+	and (warn "$ME: command failed: `$cmd'\n"), $fail = 1;
+      chomp $t;
+      $t =~ s/^([\d.]+[MkK]).*/${1}B/;
+      $res{$f} = $t;
+    }
+  return $fail ? undef : %res;
+}
+
+=item C<print_locations ($title, \@url, \%size, @file)
+
+Print a section C<$title> dedicated to the list of <@file>, which
+sizes are stored in C<%size>, and which are available from the C<@url>.
+
+=cut
+
+sub print_locations ($\@\%@)
+{
+  my ($title, $url, $size, @file) = @_;
+  print "Here are the $title:\n";
+  foreach my $url (@{$url})
+    {
+      for my $file (@file)
+	{
+	  print "  $url/$file";
+	  print "   (", $$size{$file}, ")"
+	    if exists $$size{$file};
+	  print "\n";
+	}
+    }
+  print "\n";
+}
+
+=item C<print_checksums (@file)
+
+Print the MD5 and SHA1 signature section for each C<@file>.
+
+=cut
+
+sub print_checksums (@)
+{
+  my (@file) = @_;
+
+  print "Here are the MD5 and SHA1 checksums:\n";
+  print "\n";
+
+  foreach my $meth (qw (md5 sha1))
+    {
+      foreach my $f (@file)
+	{
+	  open IN, '<', $f
+	    or die "$ME: $f: cannot open for reading: $!\n";
+	  binmode IN;
+	  my $dig =
+	    ($meth eq 'md5'
+	     ? Digest::MD5->new->addfile(*IN)->hexdigest
+	     : Digest::SHA1->new->addfile(*IN)->hexdigest);
+	  close IN;
+	  print "$dig  $f\n";
+	}
+    }
+  print "\n";
+}
+
+=item C<print_news_deltas ($news_file, $prev_version, $curr_version)
+
+Print the section of the NEWS file C<$news_file> addressing changes
+between versions C<$prev_version> and C<$curr_version>.
+
+=cut
+
+sub print_news_deltas ($$$)
+{
+  my ($news_file, $prev_version, $curr_version) = @_;
+
+  print "\n$news_file\n\n";
+
+  # Print all lines from $news_file, starting with the first one
+  # that mentions $curr_version up to but not including
+  # the first occurrence of $prev_version.
+  my $in_items;
+
+  my $re_prefix = qr/(?:\* )?(?:Noteworthy c|Major c|C)(?i:hanges)/;
+
+  open NEWS, '<', $news_file
+    or die "$ME: $news_file: cannot open for reading: $!\n";
+  while (defined (my $line = <NEWS>))
+    {
+      if ( ! $in_items)
+	{
+	  # Match lines like these:
+	  # * Major changes in release 5.0.1:
+	  # * Noteworthy changes in release 6.6 (2006-11-22) [stable]
+	  $line =~ /^$re_prefix.*(?:[^\d.]|$)\Q$curr_version\E(?:[^\d.]|$)/o
+	    or next;
+	  $in_items = 1;
+	  print $line;
+	}
+      else
+	{
+	  # This regexp must not match version numbers in NEWS items.
+	  # For example, they might well say `introduced in 4.5.5',
+	  # and we don't want that to match.
+	  $line =~ /^$re_prefix.*(?:[^\d.]|$)\Q$prev_version\E(?:[^\d.]|$)/o
+	    and last;
+	  print $line;
+	}
+    }
+  close NEWS;
+
+  $in_items
+    or die "$ME: $news_file: no matching lines for `$curr_version'\n";
+}
+
+sub print_changelog_deltas ($$)
+{
+  my ($package_name, $prev_version) = @_;
+
+  # Print new ChangeLog entries.
+
+  # First find all CVS-controlled ChangeLog files.
+  use File::Find;
+  my @changelog;
+  find ({wanted => sub {$_ eq 'ChangeLog' && -d 'CVS'
+			  and push @changelog, $File::Find::name}},
+	'.');
+
+  # If there are no ChangeLog files, we're done.
+  @changelog
+    or return;
+  my %changelog = map {$_ => 1} @changelog;
+
+  # Reorder the list of files so that if there are ChangeLog
+  # files in the specified directories, they're listed first,
+  # in this order:
+  my @dir = qw ( . src lib m4 config doc );
+
+  # A typical @changelog array might look like this:
+  # ./ChangeLog
+  # ./po/ChangeLog
+  # ./m4/ChangeLog
+  # ./lib/ChangeLog
+  # ./doc/ChangeLog
+  # ./config/ChangeLog
+  my @reordered;
+  foreach my $d (@dir)
+    {
+      my $dot_slash = $d eq '.' ? $d : "./$d";
+      my $target = "$dot_slash/ChangeLog";
+      delete $changelog{$target}
+	and push @reordered, $target;
+    }
+
+  # Append any remaining ChangeLog files.
+  push @reordered, sort keys %changelog;
+
+  # Remove leading `./'.
+  @reordered = map { s!^\./!!; $_ } @reordered;
+
+  print "\nChangeLog entries:\n\n";
+  # print join ("\n", @reordered), "\n";
+
+  $prev_version =~ s/\./_/g;
+  my $prev_cvs_tag = "\U$package_name\E-$prev_version";
+
+  my $cmd = "cvs -n diff -u -r$prev_cvs_tag -rHEAD @reordered";
+  open DIFF, '-|', $cmd
+    or die "$ME: cannot run `$cmd': $!\n";
+  # Print two types of lines, making minor changes:
+  # Lines starting with `+++ ', e.g.,
+  # +++ ChangeLog   22 Feb 2003 16:52:51 -0000      1.247
+  # and those starting with `+'.
+  # Don't print the others.
+  my $prev_printed_line_empty = 1;
+  while (defined (my $line = <DIFF>))
+    {
+      if ($line =~ /^\+\+\+ /)
+	{
+	  my $separator = "*"x70 ."\n";
+	  $line =~ s///;
+	  $line =~ s/\s.*//;
+	  $prev_printed_line_empty
+	    or print "\n";
+	  print $separator, $line, $separator;
+	}
+      elsif ($line =~ /^\+/)
+	{
+	  $line =~ s///;
+	  print $line;
+	  $prev_printed_line_empty = ($line =~ /^$/);
+	}
+    }
+  close DIFF;
+
+  # The exit code should be 1.
+  # Allow in case there are no modified ChangeLog entries.
+  $? == 256 || $? == 128
+    or warn "$ME: warning: `cmd' had unexpected exit code or signal ($?)\n";
+}
+
+sub get_tool_versions ($$)
+{
+  my ($tool_list, $gnulib_version) = @_;
+  @$tool_list
+    or return ();
+
+  my $fail;
+  my @tool_version_pair;
+  foreach my $t (@$tool_list)
+    {
+      if ($t eq 'gnulib')
+	{
+	  push @tool_version_pair, ucfirst $t . ' ' . $gnulib_version;
+	  next;
+	}
+      # Assume that the last "word" on the first line of
+      # `tool --version` output is the version string.
+      my ($first_line, undef) = split ("\n", `$t --version`);
+      if ($first_line =~ /.* (\d[\w.-]+)$/)
+	{
+	  $t = ucfirst $t;
+	  push @tool_version_pair, "$t $1";
+	}
+      else
+	{
+	  defined $first_line
+	    and $first_line = '';
+	  warn "$ME: $t: unexpected --version output\n:$first_line";
+	  $fail = 1;
+	}
+    }
+
+  $fail
+    and exit 1;
+
+  return @tool_version_pair;
+}
+
+{
+  # Neutralize the locale, so that, for instance, "du" does not
+  # issue "1,2" instead of "1.2", what confuses our regexps.
+  $ENV{LC_ALL} = "C";
+
+  my $release_type;
+  my $package_name;
+  my $prev_version;
+  my $curr_version;
+  my $gpg_key_id;
+  my @url_dir_list;
+  my @news_file;
+  my $bootstrap_tools;
+  my $gnulib_version;
+  my $print_checksums_p = 1;
+
+  GetOptions
+    (
+     'release-type=s'     => \$release_type,
+     'package-name=s'     => \$package_name,
+     'previous-version=s' => \$prev_version,
+     'current-version=s'  => \$curr_version,
+     'gpg-key-id=s'       => \$gpg_key_id,
+     'url-directory=s'    => \@url_dir_list,
+     'news=s'             => \@news_file,
+     'bootstrap-tools=s'  => \$bootstrap_tools,
+     'gnulib-version=s'   => \$gnulib_version,
+     'print-checksums!'   => \$print_checksums_p,
+     'archive-suffix=s'   => \@archive_suffixes,
+
+     help => sub { usage 0 },
+     version => sub { print "$ME version $VERSION\n"; exit },
+    ) or usage 1;
+
+  my $fail = 0;
+  # Ensure that sure each required option is specified.
+  $release_type
+    or (warn "$ME: release type not specified\n"), $fail = 1;
+  $package_name
+    or (warn "$ME: package name not specified\n"), $fail = 1;
+  $prev_version
+    or (warn "$ME: previous version string not specified\n"), $fail = 1;
+  $curr_version
+    or (warn "$ME: current version string not specified\n"), $fail = 1;
+  $gpg_key_id
+    or (warn "$ME: GnuPG key ID not specified\n"), $fail = 1;
+  @url_dir_list
+    or (warn "$ME: URL directory name(s) not specified\n"), $fail = 1;
+
+  my @tool_list = split ',', $bootstrap_tools;
+
+  grep (/^gnulib$/, @tool_list) ^ defined $gnulib_version
+    and (warn "$ME: when specifying gnulib as a tool, you must also specify\n"
+	. "--gnulib-version=V, where V is the result of running git describe\n"
+	. "in the gnulib source directory.\n"), $fail = 1;
+
+  exists $valid_release_types{$release_type}
+    or (warn "$ME: `$release_type': invalid release type\n"), $fail = 1;
+
+  @ARGV
+    and (warn "$ME: too many arguments:\n", join ("\n", @ARGV), "\n"),
+      $fail = 1;
+  $fail
+    and usage 1;
+
+  my $my_distdir = "$package_name-$curr_version";
+
+  my $xd = "$package_name-$prev_version-$curr_version.xdelta";
+
+  my @candidates = map { "$my_distdir.$_" } @archive_suffixes;
+  my @tarballs = grep {-f $_} @candidates;
+
+  @tarballs
+    or die "$ME: none of " . join(', ', @candidates) . " were found\n";
+  my @sizable = @tarballs;
+  -f $xd
+    and push @sizable, $xd;
+  my %size = sizes (@sizable);
+  %size
+    or exit 1;
+
+  # The markup is escaped as <\# so that when this script is sent by
+  # mail (or part of a diff), Gnus is not triggered.
+  print <<EOF;
+
+Subject: $my_distdir released [$release_type]
+
+<\#secure method=pgpmime mode=sign>
+
+FIXME: put comments here
+
+EOF
+
+  print_locations ("compressed sources", @url_dir_list, %size, @tarballs);
+  -f $xd
+    and print_locations ("xdelta diffs (useful? if so, "
+			 . "please tell bug-gnulib\@gnu.org)",
+			 @url_dir_list, %size, $xd);
+  my @sig_files = map { "$_.sig" } @tarballs;
+  print_locations ("GPG detached signatures[*]", @url_dir_list, %size,
+		   @sig_files);
+
+  $print_checksums_p
+    and print_checksums (@sizable);
+
+  print <<EOF;
+[*] You can use either of the above signature files to verify that
+the corresponding file (without the .sig suffix) is intact.  First,
+be sure to download both the .sig file and the corresponding tarball.
+Then, run a command like this:
+
+  gpg --verify $tarballs[0].sig
+
+If that command fails because you don't have the required public key,
+then run this command to import it:
+
+  gpg --keyserver keys.gnupg.net --recv-keys $gpg_key_id
+
+and rerun the \`gpg --verify' command.
+EOF
+
+  my @tool_versions = get_tool_versions (\@tool_list, $gnulib_version);
+  @tool_versions
+    and print "\nThis release was bootstrapped with the following tools:",
+      join ('', map {"\n  $_"} @tool_versions), "\n";
+
+  print_news_deltas ($_, $prev_version, $curr_version)
+    foreach @news_file;
+
+  $release_type eq 'stable'
+    or print_changelog_deltas ($package_name, $prev_version);
+
+  exit 0;
+}
+
+### Setup "GNU" style for perl-mode and cperl-mode.
+## Local Variables:
+## mode: perl
+## perl-indent-level: 2
+## perl-continued-statement-offset: 2
+## perl-continued-brace-offset: 0
+## perl-brace-offset: 0
+## perl-brace-imaginary-offset: 0
+## perl-label-offset: -2
+## perl-extra-newline-before-brace: t
+## perl-merge-trailing-else: nil
+## eval: (add-hook 'write-file-hooks 'time-stamp)
+## time-stamp-start: "my $VERSION = '"
+## time-stamp-format: "%:y-%02m-%02d %02H:%02M"
+## time-stamp-time-zone: "UTC"
+## time-stamp-end: "'; # UTC"
+## End:
diff --git a/build-aux/gendocs.sh b/build-aux/gendocs.sh
new file mode 100644
index 000000000..992d9fc32
--- /dev/null
+++ b/build-aux/gendocs.sh
@@ -0,0 +1,361 @@
+#!/bin/sh
+# gendocs.sh -- generate a GNU manual in many formats.  This script is
+#   mentioned in maintain.texi.  See the help message below for usage details.
+
+scriptversion=2009-09-09.22
+
+# Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009
+# 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 Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# Original author: Mohit Agarwal.
+# Send bug reports and any other correspondence to bug-texinfo@gnu.org.
+
+prog=`basename "$0"`
+srcdir=`pwd`
+
+scripturl="http://savannah.gnu.org/cgi-bin/viewcvs/~checkout~/texinfo/texinfo/util/gendocs.sh"
+templateurl="http://savannah.gnu.org/cgi-bin/viewcvs/~checkout~/texinfo/texinfo/util/gendocs_template"
+
+: ${SETLANG="env LANG= LC_MESSAGES= LC_ALL= LANGUAGE="}
+: ${MAKEINFO="makeinfo"}
+: ${TEXI2DVI="texi2dvi -t @finalout"}
+: ${DVIPS="dvips"}
+: ${DOCBOOK2HTML="docbook2html"}
+: ${DOCBOOK2PDF="docbook2pdf"}
+: ${DOCBOOK2PS="docbook2ps"}
+: ${DOCBOOK2TXT="docbook2txt"}
+: ${GENDOCS_TEMPLATE_DIR="."}
+: ${TEXI2HTML="texi2html"}
+unset CDPATH
+unset use_texi2html
+
+version="gendocs.sh $scriptversion
+
+Copyright 2009 Free Software Foundation, Inc.
+There is NO warranty.  You may redistribute this software
+under the terms of the GNU General Public License.
+For more information about these matters, see the files named COPYING."
+
+usage="Usage: $prog [OPTION]... PACKAGE MANUAL-TITLE
+
+Generate various output formats from PACKAGE.texinfo (or .texi or .txi) source.
+See the GNU Maintainers document for a more extensive discussion:
+  http://www.gnu.org/prep/maintain_toc.html
+
+Options:
+  -o OUTDIR   write files into OUTDIR, instead of manual/.
+  --email ADR use ADR as contact in generated web pages.
+  --docbook   convert to DocBook too (xml, txt, html, pdf and ps).
+  --html ARG  pass indicated ARG to makeinfo or texi2html for HTML targets.
+  --texi2html use texi2html to generate HTML targets.
+  --help      display this help and exit successfully.
+  --version   display version information and exit successfully.
+
+Simple example: $prog --email bug-gnu-emacs@gnu.org emacs \"GNU Emacs Manual\"
+
+Typical sequence:
+  cd PACKAGESOURCE/doc
+  wget \"$scripturl\"
+  wget \"$templateurl\"
+  $prog --email BUGLIST MANUAL \"GNU MANUAL - One-line description\"
+
+Output will be in a new subdirectory \"manual\" (by default, use -o OUTDIR
+to override).  Move all the new files into your web CVS tree, as
+explained in the Web Pages node of maintain.texi.
+
+Please use the --email ADDRESS option to specify your bug-reporting
+address in the generated HTML pages.
+
+MANUAL-TITLE is included as part of the HTML <title> of the overall
+manual/index.html file.  It should include the name of the package being
+documented.  manual/index.html is created by substitution from the file
+$GENDOCS_TEMPLATE_DIR/gendocs_template.  (Feel free to modify the
+generic template for your own purposes.)
+
+If you have several manuals, you'll need to run this script several
+times with different MANUAL values, specifying a different output
+directory with -o each time.  Then write (by hand) an overall index.html
+with links to them all.
+
+If a manual's Texinfo sources are spread across several directories,
+first copy or symlink all Texinfo sources into a single directory.
+(Part of the script's work is to make a tar.gz of the sources.)
+
+You can set the environment variables MAKEINFO, TEXI2DVI, and DVIPS to
+control the programs that get executed, and GENDOCS_TEMPLATE_DIR to
+control where the gendocs_template file is looked for.  (With --docbook,
+the environment variables DOCBOOK2HTML, DOCBOOK2PDF, DOCBOOK2PS, and
+DOCBOOK2TXT are also respected.)
+
+By default, makeinfo is run in the default (English) locale, since
+that's the language of most Texinfo manuals.  If you happen to have a
+non-English manual and non-English web site, see the SETLANG setting
+in the source.
+
+Email bug reports or enhancement requests to bug-texinfo@gnu.org.
+"
+
+calcsize()
+{
+  size=`ls -ksl $1 | awk '{print $1}'`
+  echo $size
+}
+
+MANUAL_TITLE=
+PACKAGE=
+EMAIL=webmasters@gnu.org  # please override with --email
+htmlarg=
+outdir=manual
+
+while test $# -gt 0; do
+  case $1 in
+    --email) shift; EMAIL=$1;;
+    --help) echo "$usage"; exit 0;;
+    --version) echo "$version"; exit 0;;
+    -o) shift; outdir=$1;;
+    --docbook) docbook=yes;;
+    --html) shift; htmlarg=$1;;
+    --texi2html) use_texi2html=1;;
+    -*)
+      echo "$0: Unknown option \`$1'." >&2
+      echo "$0: Try \`--help' for more information." >&2
+      exit 1;;
+    *)
+      if test -z "$PACKAGE"; then
+        PACKAGE=$1
+      elif test -z "$MANUAL_TITLE"; then
+        MANUAL_TITLE=$1
+      else
+        echo "$0: extra non-option argument \`$1'." >&2
+        exit 1
+      fi;;
+  esac
+  shift
+done
+
+if test -s "$srcdir/$PACKAGE.texinfo"; then
+  srcfile=$srcdir/$PACKAGE.texinfo
+elif test -s "$srcdir/$PACKAGE.texi"; then
+  srcfile=$srcdir/$PACKAGE.texi
+elif test -s "$srcdir/$PACKAGE.txi"; then
+  srcfile=$srcdir/$PACKAGE.txi
+else
+  echo "$0: cannot find .texinfo or .texi or .txi for $PACKAGE in $srcdir." >&2
+  exit 1
+fi
+
+if test ! -r $GENDOCS_TEMPLATE_DIR/gendocs_template; then
+  echo "$0: cannot read $GENDOCS_TEMPLATE_DIR/gendocs_template." >&2
+  echo "$0: it is available from $templateurl." >&2
+  exit 1
+fi
+
+case $outdir in
+  /*) dotdot_outdir="$outdir";;
+  *) dotdot_outdir="../$outdir";;
+esac
+
+echo Generating output formats for $srcfile
+
+cmd="$SETLANG $MAKEINFO -o $PACKAGE.info \"$srcfile\""
+echo "Generating info files... ($cmd)"
+eval "$cmd"
+mkdir -p $outdir/
+tar czf $outdir/$PACKAGE.info.tar.gz $PACKAGE.info*
+info_tgz_size=`calcsize $outdir/$PACKAGE.info.tar.gz`
+# do not mv the info files, there's no point in having them available
+# separately on the web.
+
+cmd="${TEXI2DVI} \"$srcfile\""
+echo "Generating dvi ... ($cmd)"
+eval "$cmd"
+
+# now, before we compress dvi:
+echo Generating postscript...
+${DVIPS} $PACKAGE -o
+gzip -f -9 $PACKAGE.ps
+ps_gz_size=`calcsize $PACKAGE.ps.gz`
+mv $PACKAGE.ps.gz $outdir/
+
+# compress/finish dvi:
+gzip -f -9 $PACKAGE.dvi
+dvi_gz_size=`calcsize $PACKAGE.dvi.gz`
+mv $PACKAGE.dvi.gz $outdir/
+
+cmd="${TEXI2DVI} --pdf \"$srcfile\""
+echo "Generating pdf ... ($cmd)"
+eval "$cmd"
+pdf_size=`calcsize $PACKAGE.pdf`
+mv $PACKAGE.pdf $outdir/
+
+cmd="$SETLANG $MAKEINFO -o $PACKAGE.txt --no-split --no-headers \"$srcfile\""
+echo "Generating ASCII... ($cmd)"
+eval "$cmd"
+ascii_size=`calcsize $PACKAGE.txt`
+gzip -f -9 -c $PACKAGE.txt >$outdir/$PACKAGE.txt.gz
+ascii_gz_size=`calcsize $outdir/$PACKAGE.txt.gz`
+mv $PACKAGE.txt $outdir/
+
+html_split()
+{
+  opt="--split=$1 $htmlarg --node-files"
+  cmd="$SETLANG $TEXI2HTML --output $PACKAGE.html $opt \"$srcfile\""
+  echo "Generating html by $1... ($cmd)"
+  eval "$cmd"
+  split_html_dir=$PACKAGE.html
+  (
+    cd ${split_html_dir} || exit 1
+    ln -sf ${PACKAGE}.html index.html
+    tar -czf $dotdot_outdir/${PACKAGE}.html_$1.tar.gz -- *.html
+  )
+  eval html_$1_tgz_size=`calcsize $outdir/${PACKAGE}.html_$1.tar.gz`
+  rm -f $outdir/html_$1/*.html
+  mkdir -p $outdir/html_$1/
+  mv ${split_html_dir}/*.html $outdir/html_$1/
+  rmdir ${split_html_dir}
+}
+
+if test -z "$use_texi2html"; then
+  opt="--no-split --html -o $PACKAGE.html $htmlarg"
+  cmd="$SETLANG $MAKEINFO $opt \"$srcfile\""
+  echo "Generating monolithic html... ($cmd)"
+  rm -rf $PACKAGE.html  # in case a directory is left over
+  eval "$cmd"
+  html_mono_size=`calcsize $PACKAGE.html`
+  gzip -f -9 -c $PACKAGE.html >$outdir/$PACKAGE.html.gz
+  html_mono_gz_size=`calcsize $outdir/$PACKAGE.html.gz`
+  mv $PACKAGE.html $outdir/
+
+  cmd="$SETLANG $MAKEINFO --html -o $PACKAGE.html $htmlarg \"$srcfile\""
+  echo "Generating html by node... ($cmd)"
+  eval "$cmd"
+  split_html_dir=$PACKAGE.html
+  (
+   cd ${split_html_dir} || exit 1
+   tar -czf $dotdot_outdir/${PACKAGE}.html_node.tar.gz -- *.html
+  )
+  html_node_tgz_size=`calcsize $outdir/${PACKAGE}.html_node.tar.gz`
+  rm -f $outdir/html_node/*.html
+  mkdir -p $outdir/html_node/
+  mv ${split_html_dir}/*.html $outdir/html_node/
+  rmdir ${split_html_dir}
+else
+  cmd="$SETLANG $TEXI2HTML --output $PACKAGE.html $htmlarg \"$srcfile\""
+  echo "Generating monolithic html... ($cmd)"
+  rm -rf $PACKAGE.html  # in case a directory is left over
+  eval "$cmd"
+  html_mono_size=`calcsize $PACKAGE.html`
+  gzip -f -9 -c $PACKAGE.html >$outdir/$PACKAGE.html.gz
+  html_mono_gz_size=`calcsize $outdir/$PACKAGE.html.gz`
+  mv $PACKAGE.html $outdir/
+
+  html_split node
+  html_split chapter
+  html_split section
+fi
+
+echo Making .tar.gz for sources...
+srcfiles=`ls *.texinfo *.texi *.txi *.eps 2>/dev/null`
+tar cvzfh $outdir/$PACKAGE.texi.tar.gz $srcfiles
+texi_tgz_size=`calcsize $outdir/$PACKAGE.texi.tar.gz`
+
+if test -n "$docbook"; then
+  cmd="$SETLANG $MAKEINFO -o - --docbook \"$srcfile\" > ${srcdir}/$PACKAGE-db.xml"
+  echo "Generating docbook XML... $(cmd)"
+  eval "$cmd"
+  docbook_xml_size=`calcsize $PACKAGE-db.xml`
+  gzip -f -9 -c $PACKAGE-db.xml >$outdir/$PACKAGE-db.xml.gz
+  docbook_xml_gz_size=`calcsize $outdir/$PACKAGE-db.xml.gz`
+  mv $PACKAGE-db.xml $outdir/
+
+  cmd="${DOCBOOK2HTML} -o $split_html_db_dir ${outdir}/$PACKAGE-db.xml"
+  echo "Generating docbook HTML... ($cmd)"
+  eval "$cmd"
+  split_html_db_dir=html_node_db
+  (
+    cd ${split_html_db_dir} || exit 1
+    tar -czf $dotdot_outdir/${PACKAGE}.html_node_db.tar.gz -- *.html
+  )
+  html_node_db_tgz_size=`calcsize $outdir/${PACKAGE}.html_node_db.tar.gz`
+  rm -f $outdir/html_node_db/*.html
+  mkdir -p $outdir/html_node_db
+  mv ${split_html_db_dir}/*.html $outdir/html_node_db/
+  rmdir ${split_html_db_dir}
+
+  cmd="${DOCBOOK2TXT} ${outdir}/$PACKAGE-db.xml"
+  echo "Generating docbook ASCII... ($cmd)"
+  eval "$cmd"
+  docbook_ascii_size=`calcsize $PACKAGE-db.txt`
+  mv $PACKAGE-db.txt $outdir/
+
+  cmd="${DOCBOOK2PS} ${outdir}/$PACKAGE-db.xml"
+  echo "Generating docbook PS... $(cmd)"
+  eval "$cmd"
+  gzip -f -9 -c $PACKAGE-db.ps >$outdir/$PACKAGE-db.ps.gz
+  docbook_ps_gz_size=`calcsize $outdir/$PACKAGE-db.ps.gz`
+  mv $PACKAGE-db.ps $outdir/
+
+  cmd="${DOCBOOK2PDF} ${outdir}/$PACKAGE-db.xml"
+  echo "Generating docbook PDF... ($cmd)"
+  eval "$cmd"
+  docbook_pdf_size=`calcsize $PACKAGE-db.pdf`
+  mv $PACKAGE-db.pdf $outdir/
+fi
+
+echo "Writing index file..."
+if test -z "$use_texi2html"; then
+   CONDS="/%%IF  *HTML_SECTION%%/,/%%ENDIF  *HTML_SECTION%%/d;\
+          /%%IF  *HTML_CHAPTER%%/,/%%ENDIF  *HTML_CHAPTER%%/d"
+else
+   CONDS="/%%ENDIF.*%%/d;/%%IF  *HTML_SECTION%%/d;/%%IF  *HTML_CHAPTER%%/d"
+fi
+curdate=`$SETLANG date '+%B %d, %Y'`
+sed \
+   -e "s!%%TITLE%%!$MANUAL_TITLE!g" \
+   -e "s!%%EMAIL%%!$EMAIL!g" \
+   -e "s!%%PACKAGE%%!$PACKAGE!g" \
+   -e "s!%%DATE%%!$curdate!g" \
+   -e "s!%%HTML_MONO_SIZE%%!$html_mono_size!g" \
+   -e "s!%%HTML_MONO_GZ_SIZE%%!$html_mono_gz_size!g" \
+   -e "s!%%HTML_NODE_TGZ_SIZE%%!$html_node_tgz_size!g" \
+   -e "s!%%HTML_SECTION_TGZ_SIZE%%!$html_section_tgz_size!g" \
+   -e "s!%%HTML_CHAPTER_TGZ_SIZE%%!$html_chapter_tgz_size!g" \
+   -e "s!%%INFO_TGZ_SIZE%%!$info_tgz_size!g" \
+   -e "s!%%DVI_GZ_SIZE%%!$dvi_gz_size!g" \
+   -e "s!%%PDF_SIZE%%!$pdf_size!g" \
+   -e "s!%%PS_GZ_SIZE%%!$ps_gz_size!g" \
+   -e "s!%%ASCII_SIZE%%!$ascii_size!g" \
+   -e "s!%%ASCII_GZ_SIZE%%!$ascii_gz_size!g" \
+   -e "s!%%TEXI_TGZ_SIZE%%!$texi_tgz_size!g" \
+   -e "s!%%DOCBOOK_HTML_NODE_TGZ_SIZE%%!$html_node_db_tgz_size!g" \
+   -e "s!%%DOCBOOK_ASCII_SIZE%%!$docbook_ascii_size!g" \
+   -e "s!%%DOCBOOK_PS_GZ_SIZE%%!$docbook_ps_gz_size!g" \
+   -e "s!%%DOCBOOK_PDF_SIZE%%!$docbook_pdf_size!g" \
+   -e "s!%%DOCBOOK_XML_SIZE%%!$docbook_xml_size!g" \
+   -e "s!%%DOCBOOK_XML_GZ_SIZE%%!$docbook_xml_gz_size!g" \
+   -e "s,%%SCRIPTURL%%,$scripturl,g" \
+   -e "s!%%SCRIPTNAME%%!$prog!g" \
+   -e "$CONDS" \
+$GENDOCS_TEMPLATE_DIR/gendocs_template >$outdir/index.html
+
+echo "Done, see $outdir/ subdirectory for new files."
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End:
diff --git a/build-aux/gitlog-to-changelog b/build-aux/gitlog-to-changelog
index 270b8cf56..32f76e8e2 100755
--- a/build-aux/gitlog-to-changelog
+++ b/build-aux/gitlog-to-changelog
@@ -1,10 +1,9 @@
-#!/bin/sh
-# Accommodate systems where /usr/bin/perl is not the right path.
-exec perl -x "$0" "$@"
-#!perl
+eval '(exit $?0)' && eval 'exec perl -wS "$0" ${1+"$@"}'
+  & eval 'exec perl -wS "$0" $argv:q'
+    if 0;
 # Convert git log output to ChangeLog format.
 
-my $VERSION = '2009-06-04 08:53'; # UTC
+my $VERSION = '2009-10-30 13:46'; # 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
@@ -63,6 +62,9 @@ OPTIONS:
 
    --since=DATE convert only the logs since DATE;
                   the default is to convert all log entries.
+   --format=FMT set format string for commit subject and body;
+                  see 'man git-log' for the list of format metacharacters;
+                  the default is '%s%n%b%n'
 
    --help       display this help and exit
    --version    output version information and exit
@@ -99,15 +101,17 @@ sub quoted_cmd(@)
 
 {
   my $since_date = '1970-01-01 UTC';
+  my $format_string = '%s%n%b%n';
   GetOptions
     (
      help => sub { usage 0 },
      version => sub { print "$ME version $VERSION\n"; exit },
      'since=s' => \$since_date,
+     'format=s' => \$format_string,
     ) or usage 1;
 
   my @cmd = (qw (git log --log-size), "--since=$since_date",
-             '--pretty=format:%ct  %an  <%ae>%n%n%s%n%b%n', @ARGV);
+             '--pretty=format:%ct  %an  <%ae>%n%n'.$format_string, @ARGV);
   open PIPE, '-|', @cmd
     or die ("$ME: failed to run `". quoted_cmd (@cmd) ."': $!\n"
             . "(Is your Git too old?  Version 1.5.1 or later is required.)\n");
@@ -177,6 +181,7 @@ sub quoted_cmd(@)
 }
 
 # Local Variables:
+# mode: perl
 # indent-tabs-mode: nil
 # eval: (add-hook 'write-file-hooks 'time-stamp)
 # time-stamp-start: "my $VERSION = '"
diff --git a/build-aux/gnu-web-doc-update b/build-aux/gnu-web-doc-update
new file mode 100755
index 000000000..91902c5c4
--- /dev/null
+++ b/build-aux/gnu-web-doc-update
@@ -0,0 +1,115 @@
+#!/bin/sh
+# Run this after each non-alpha release, to update the web documentation at
+# http://www.gnu.org/software/$pkg/manual/
+# This script must be run from the top-level directory,
+# assumes you're using git for revision control,
+# and requires a .prev-version file as well as a Makefile,
+# from which it extracts the version number and package name, respectively.
+# Also, it assumes all documentation is in the doc/ sub-directory.
+
+VERSION=2009-07-21.16; # UTC
+
+# Copyright (C) 2009 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 Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Requirements: everything required to bootstrap your package,
+# plus these: git, cvs, cvsu, rsync, mktemp
+
+ME=`basename "$0"`
+warn() { printf '%s: %s\n' "$ME" "$*" >&2; }
+die() { warn "$*"; exit 1; }
+
+help_version()
+{
+  case $1 in
+    --help) cat <<EOF
+Usage: $ME
+
+Run this script (no options or arguments) after each non-alpha release,
+to update the web documentation at http://www.gnu.org/software/\$pkg/manual/
+Run it from your project's the top-level directory.
+
+Options:
+  --help     print this help, then exit
+  --version  print version number, then exit
+
+Report bugs and patches to <bug-gnulib@gnu.org>.
+EOF
+      exit ;;
+
+    --version)
+      year=`echo "$VERSION" | sed 's/[^0-9].*//'`
+      cat <<EOF
+$ME $VERSION
+Copyright (C) $year Free Software Foundation, Inc,
+License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
+This is free software: you are free to change and redistribute it.
+There is NO WARRANTY, to the extent permitted by law.
+EOF
+      exit ;;
+
+  *) die "unrecognized option: $1";;
+  esac
+}
+
+case $# in
+  0) ;;
+  1) help_version $1 ;;
+  *) die "$ME: too many options" ;;
+esac
+
+prev=.prev-version
+version=$(cat $prev) || die "$ME: no $prev file?"
+pkg=$(sed -n 's/^PACKAGE = \(.*\)/\1/p' Makefile) || die "$ME: no Makefile?"
+tmp_branch=web-doc-$version-$$
+
+cleanup()
+{
+  __st=$?;
+  rm -rf "$tmp"
+  git checkout master
+  git branch -d $tmp_branch
+  exit $__st
+}
+trap cleanup 0
+trap 'exit $?' 1 2 13 15
+
+# We must build using sources for which --version reports the
+# just-released version number, not some string like 7.6.18-20761.
+# That version string propagates into all documentation.
+git checkout -b $tmp_branch v$version
+./bootstrap && ./configure && make && make web-manual
+
+tmp=$(mktemp -d --tmpdir=. web-doc-update.XXXXXX) || exit 1
+( cd $tmp \
+    && cvs -d $USER@cvs.sv.gnu.org:/webcvs/$pkg co $pkg )
+rsync -avP doc/manual/ $tmp/$pkg/manual
+
+(
+  cd $tmp/$pkg/manual
+
+  # Add any new files:
+  cvsu --types='?'|sed s/..// | xargs --no-run-if-empty -- cvs add -ko
+
+  cvs ci -m $version
+)
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "VERSION="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/build-aux/gnupload b/build-aux/gnupload
new file mode 100755
index 000000000..002cee39a
--- /dev/null
+++ b/build-aux/gnupload
@@ -0,0 +1,412 @@
+#!/bin/sh
+# Sign files and upload them.
+
+scriptversion=2009-04-28.21; # UTC
+
+# Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009  Free Software Foundation
+#
+# 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 Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Originally written by Alexandre Duret-Lutz <adl@gnu.org>.
+
+set -e
+
+GPG='gpg --batch --no-tty'
+conffile=.gnuploadrc
+to=
+dry_run=false
+symlink_files=
+delete_files=
+delete_symlinks=
+collect_var=
+dbg=
+
+usage="Usage: $0 [OPTIONS]... [COMMAND] FILES... [[COMMAND] FILES...]
+
+Sign all FILES, and upload them to selected destinations, according to
+<http://www.gnu.org/prep/maintain/html_node/Automated-FTP-Uploads.html>.
+
+Commands:
+  --delete                 delete FILES from destination
+  --symlink                create symbolic links
+  --rmsymlink              remove symbolic links
+  --                       treat the remaining arguments as files to upload
+
+Options:
+  --help                   print this help text and exit
+  --to DEST                specify one destination for FILES
+                           (multiple --to options are allowed)
+  --user NAME              sign with key NAME
+  --symlink-regex[=EXPR]   use sed script EXPR to compute symbolic link names
+  --dry-run                do nothing, show what would have been done
+  --version                output version information and exit
+
+If --symlink-regex is given without EXPR, then the link target name
+is created by replacing the version information with \`-latest', e.g.:
+
+  foo-1.3.4.tar.gz -> foo-latest.tar.gz
+
+Recognized destinations are:
+  alpha.gnu.org:DIRECTORY
+  savannah.gnu.org:DIRECTORY
+  savannah.nongnu.org:DIRECTORY
+  ftp.gnu.org:DIRECTORY
+                           build directive files and upload files by FTP
+  download.gnu.org.ua:{alpha|ftp}/DIRECTORY
+                           build directive files and upload files by SFTP
+  [user@]host:DIRECTORY    upload files with scp
+
+Options and commands are applied in order.  If the file $conffile exists
+in the current working directory, its contents are prepended to the
+actual command line options.  Use this to keep your defaults.  Comments
+(#) and empty lines in $conffile are allowed.
+
+Examples:
+1. Upload automake-1.8.2b.tar.gz and automake-1.8.2b.tar.bz2 to two sites:
+  gnupload --to sources.redhat.com:~ftp/pub/automake \\
+           --to alpha.gnu.org:automake \\
+           automake-1.8.2b.tar.gz automake-1.8.2b.tar.bz2
+
+2. Same as above, but also create symbolic links to automake-latest.tar.*:
+  gnupload --to sources.redhat.com:~ftp/pub/automake \\
+           --to alpha.gnu.org:automake \\
+           --symlink-regex \\
+           automake-1.8.2b.tar.gz automake-1.8.2b.tar.bz2
+
+3. Symlink automake-1.8.2b.tar.gz to automake-latest.tar.gz and
+automake-1.8.2b.tar.bz2 to automake-latest.tar.bz2 on both sites:
+
+  gnupload --to sources.redhat.com:~ftp/pub/automake \\
+           --to alpha.gnu.org:automake \\
+           --symlink automake-1.8.2b.tar.gz automake-latest.tar.gz \\
+                     automake-1.8.2b.tar.bz2 automake-latest.tar.bz2
+
+4. Delete automake-1.8.2a.tar.gz and .bz2, remove symlink
+automake-latest.tar.gz and upload automake-1.8.2b.tar.gz:
+
+  gnupload --to sources.redhat.com:~ftp/pub/automake \\
+           --to alpha.gnu.org:automake \\
+           --delete automake-1.8.2a.tar.gz automake-1.8.2a.tar.bz2 \\
+           --rmsymlink automake-latest.tar.gz \\
+           -- \\
+           automake-1.8.2b.tar.gz automake-1.8.2b.tar.bz2
+
+Report bugs to <bug-automake@gnu.org>.
+Send patches to <automake-patches@gnu.org>."
+
+# Read local configuration file
+if test -r "$conffile"; then
+  echo "$0: Reading configuration file $conffile"
+  eval set x "`sed 's/#.*$//;/^$/d' \"$conffile\" | tr '\012\015' '  '` \"\$@\""
+  shift
+fi
+
+while test -n "$1"; do
+  case $1 in
+  -*)
+    collect_var=
+    case $1 in
+    --help)
+      echo "$usage"
+      exit $?
+      ;;
+    --to)
+      if test -z "$2"; then
+        echo "$0: Missing argument for --to" 1>&2
+        exit 1
+      else
+        to="$to $2"
+        shift
+      fi
+      ;;
+    --user)
+      if test -z "$2"; then
+        echo "$0: Missing argument for --user" 1>&2
+        exit 1
+      else
+        GPG="$GPG --local-user $2"
+        shift
+      fi
+      ;;
+    --delete)
+      collect_var=delete_files
+      ;;
+    --rmsymlink)
+      collect_var=delete_symlinks
+      ;;
+    --symlink-regex=*)
+      symlink_expr=`expr "$1" : '[^=]*=\(.*\)'`
+      ;;
+    --symlink-regex)
+      symlink_expr='s|-[0-9][0-9\.]*\(-[0-9][0-9]*\)\{0,1\}\.|-latest.|'
+      ;;
+    --symlink)
+      collect_var=symlink_files
+      ;;
+    --dry-run|-n)
+      dry_run=:
+      ;;
+    --version)
+      echo "gnupload $scriptversion"
+      exit $?
+      ;;
+    --)
+      shift
+      break
+      ;;
+    -*)
+      echo "$0: Unknown option \`$1', try \`$0 --help'" 1>&2
+      exit 1
+      ;;
+    esac
+    ;;
+  *)
+    if test -z "$collect_var"; then
+      break
+    else
+      eval "$collect_var=\"\$$collect_var $1\""
+    fi
+    ;;
+  esac
+  shift
+done
+
+dprint()
+{
+  echo "Running $*..."
+}
+
+if $dry_run; then
+  dbg=dprint
+fi
+
+if test -z "$to"; then
+  echo "$0: Missing destination sites" >&2
+  exit 1
+fi
+
+if test -n "$symlink_files"; then
+  x=`echo "$symlink_files" | sed 's/[^ ]//g;s/  //g'`
+  if test -n "$x"; then
+    echo "$0: Odd number of symlink arguments" >&2
+    exit 1
+  fi
+fi
+
+if test $# = 0; then
+  if test -z "${symlink_files}${delete_files}${delete_symlinks}"; then
+    echo "$0: No file to upload" 1>&2
+    exit 1
+  fi
+else
+  # Make sure all files exist.  We don't want to ask
+  # for the passphrase if the script will fail.
+  for file
+  do
+    if test ! -f $file; then
+      echo "$0: Cannot find \`$file'" 1>&2
+      exit 1
+    elif test -n "$symlink_expr"; then
+      linkname=`echo $file | sed "$symlink_expr"`
+      if test -z "$linkname"; then
+        echo "$0: symlink expression produces empty results" >&2
+        exit 1
+      elif test "$linkname" = $file; then
+        echo "$0: symlink expression does not alter file name" >&2
+        exit 1
+      fi
+    fi
+  done
+fi
+
+# Make sure passphrase is not exported in the environment.
+unset passphrase
+
+# Reset PATH to be sure that echo is a built-in.  We will later use
+# `echo $passphrase' to output the passphrase, so it is important that
+# it is a built-in (third-party programs tend to appear in `ps'
+# listings with their arguments...).
+# Remember this script runs with `set -e', so if echo is not built-in
+# it will exit now.
+PATH=/empty echo -n "Enter GPG passphrase: "
+stty -echo
+read -r passphrase
+stty echo
+echo
+
+if test $# -ne 0; then
+  for file
+  do
+    echo "Signing $file..."
+    rm -f $file.sig
+    echo "$passphrase" | $dbg $GPG --passphrase-fd 0 -ba -o $file.sig $file
+  done
+fi
+
+
+# mkdirective DESTDIR BASE FILE STMT
+# Arguments: See upload, below
+mkdirective ()
+{
+  stmt="$4"
+  if test -n "$3"; then
+    stmt="
+filename: $3$stmt"
+  fi
+
+  cat >${2}.directive<<EOF
+version: 1.1
+directory: $1
+comment: gnupload v. $scriptversion$stmt
+EOF
+  if $dry_run; then
+    echo "File ${2}.directive:"
+    cat ${2}.directive
+    echo "File ${2}.directive:" | sed 's/./-/g'
+  fi
+}
+
+mksymlink ()
+{
+  while test $# -ne 0
+  do
+    echo "symlink: $1 $2"
+    shift
+    shift
+  done
+}
+
+# upload DEST DESTDIR BASE FILE STMT FILES
+# Arguments:
+#  DEST     Destination site;
+#  DESTDIR  Destination directory;
+#  BASE     Base name for the directive file;
+#  FILE     Name of the file to distribute (may be empty);
+#  STMT     Additional statements for the directive file;
+#  FILES    List of files to upload.
+upload ()
+{
+  dest=$1
+  destdir=$2
+  base=$3
+  file=$4
+  stmt=$5
+  files=$6
+
+  rm -f $base.directive $base.directive.asc
+  case $dest in
+    alpha.gnu.org:*)
+      mkdirective "$destdir" "$base" "$file" "$stmt"
+      echo "$passphrase" | $dbg $GPG --passphrase-fd 0 --clearsign $base.directive
+      $dbg ncftpput ftp-upload.gnu.org /incoming/alpha $files $base.directive.asc
+      ;;
+    ftp.gnu.org:*)
+      mkdirective "$destdir" "$base" "$file" "$stmt"
+      echo "$passphrase" | $dbg $GPG --passphrase-fd 0 --clearsign $base.directive
+      $dbg ncftpput ftp-upload.gnu.org /incoming/ftp $files $base.directive.asc
+      ;;
+    savannah.gnu.org:*)
+      if test -z "$files"; then
+        echo "$0: warning: standalone directives not applicable for $dest" >&2
+      fi
+      $dbg ncftpput savannah.gnu.org /incoming/savannah/$destdir $files
+      ;;
+    savannah.nongnu.org:*)
+      if test -z "$files"; then
+        echo "$0: warning: standalone directives not applicable for $dest" >&2
+      fi
+      $dbg ncftpput savannah.nongnu.org /incoming/savannah/$destdir $files
+      ;;
+    download.gnu.org.ua:alpha/*|download.gnu.org.ua:ftp/*)
+      destdir_p1=`echo "$destdir" | sed 's,^[^/]*/,,'`
+      destdir_topdir=`echo "$destdir" | sed 's,/.*,,'`
+      mkdirective "$destdir_p1" "$base" "$file" "$stmt"
+      echo "$passphrase" | $dbg $GPG --passphrase-fd 0 --clearsign $base.directive
+      for f in $files $base.directive.asc
+      do
+        echo put $f
+      done | $dbg sftp -b - puszcza.gnu.org.ua:/incoming/$destdir_topdir
+      ;;
+    /*)
+      dest_host=`echo "$dest" | sed 's,:.*,,'`
+      mkdirective "$destdir" "$base" "$file" "$stmt"
+      echo "$passphrase" | $dbg $GPG --passphrase-fd 0 --clearsign $base.directive
+      $dbg cp $files $base.directive.asc $dest_host
+      ;;
+    *)
+      if test -z "$files"; then
+        echo "$0: warning: standalone directives not applicable for $dest" >&2
+      fi
+      $dbg scp $files $dest
+      ;;
+  esac
+  rm -f $base.directive $base.directive.asc
+}
+
+#####
+# Process any standalone directives
+stmt=
+if test -n "$symlink_files"; then
+  stmt="$stmt
+`mksymlink $symlink_files`"
+fi
+
+for file in $delete_files
+do
+  stmt="$stmt
+archive: $file"
+done
+
+for file in $delete_symlinks
+do
+  stmt="$stmt
+rmsymlink: $file"
+done
+
+if test -n "$stmt"; then
+  for dest in $to
+  do
+    destdir=`echo $dest | sed 's/[^:]*://'`
+    upload "$dest" "$destdir" "`hostname`-$$" "" "$stmt"
+  done
+fi
+
+# Process actual uploads
+for dest in $to
+do
+  for file
+  do
+    echo "Uploading $file to $dest..."
+    stmt=
+    files="$file $file.sig"
+    destdir=`echo $dest | sed 's/[^:]*://'`
+    if test -n "$symlink_expr"; then
+      linkname=`echo $file | sed "$symlink_expr"`
+      stmt="$stmt
+symlink: $file $linkname
+symlink: $file.sig $linkname.sig"
+    fi
+    upload "$dest" "$destdir" "$file" "$file" "$stmt" "$files"
+  done
+done
+
+exit 0
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/build-aux/useless-if-before-free b/build-aux/useless-if-before-free
new file mode 100755
index 000000000..793c9753e
--- /dev/null
+++ b/build-aux/useless-if-before-free
@@ -0,0 +1,209 @@
+eval '(exit $?0)' && eval 'exec perl -wST "$0" ${1+"$@"}'
+  & eval 'exec perl -wST "$0" $argv:q'
+    if 0;
+# Detect instances of "if (p) free (p);".
+# Likewise for "if (p != NULL) free (p);".  And with braces.
+# Also detect "if (NULL != p) free (p);".
+# And with 0 in place of NULL.
+
+my $VERSION = '2009-04-16 15:57'; # 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
+# do its job.  Otherwise, update this string manually.
+
+# Copyright (C) 2008, 2009 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 Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Written by Jim Meyering
+
+use strict;
+use warnings;
+use Getopt::Long;
+
+(my $ME = $0) =~ s|.*/||;
+
+# use File::Coda; # http://meyering.net/code/Coda/
+END {
+  defined fileno STDOUT or return;
+  close STDOUT and return;
+  warn "$ME: failed to close standard output: $!\n";
+  $? ||= 1;
+}
+
+sub usage ($)
+{
+  my ($exit_code) = @_;
+  my $STREAM = ($exit_code == 0 ? *STDOUT : *STDERR);
+  if ($exit_code != 0)
+    {
+      print $STREAM "Try `$ME --help' for more information.\n";
+    }
+  else
+    {
+      print $STREAM <<EOF;
+Usage: $ME [OPTIONS] FILE...
+
+Detect any instance in FILE of a useless "if" test before a free call, e.g.,
+"if (p) free (p);".  Any such test may be safely removed without affecting
+the semantics of the C code in FILE.  Use --name=FOO --name=BAR to also
+detect free-like functions named FOO and BAR.
+
+OPTIONS:
+
+   --list       print only the name of each matching FILE (\0-terminated)
+   --name=N     add name N to the list of \`free\'-like functions to detect;
+                  may be repeated
+
+   --help       display this help and exit
+   --version    output version information and exit
+
+Exit status:
+
+  0   one or more matches
+  1   no match
+  2   an error
+
+EXAMPLE:
+
+For example, this command prints all removable "if" tests before "free"
+and "kfree" calls in the linux kernel sources:
+
+    git ls-files -z |xargs -0 $ME --name=kfree
+
+EOF
+    }
+  exit $exit_code;
+}
+
+sub is_NULL ($)
+{
+  my ($expr) = @_;
+  return ($expr eq 'NULL' || $expr eq '0');
+}
+
+{
+  sub EXIT_MATCH {0}
+  sub EXIT_NO_MATCH {1}
+  sub EXIT_ERROR {2}
+  my $err = EXIT_NO_MATCH;
+
+  my $list;
+  my @name = qw(free);
+  GetOptions
+    (
+     help => sub { usage 0 },
+     version => sub { print "$ME version $VERSION\n"; exit },
+     list => \$list,
+     'name=s@' => \@name,
+    ) or usage 1;
+
+  # Make sure we have the right number of non-option arguments.
+  # Always tell the user why we fail.
+  @ARGV < 1
+    and (warn "$ME: missing FILE argument\n"), usage EXIT_ERROR;
+
+  my $or = join '|', @name;
+  my $regexp = qr/(?:$or)/;
+
+  # Set the input record separator.
+  # Note: this makes it impractical to print line numbers.
+  $/ = '"';
+
+  my $found_match = 0;
+ FILE:
+  foreach my $file (@ARGV)
+    {
+      open FH, '<', $file
+        or (warn "$ME: can't open `$file' for reading: $!\n"),
+          $err = EXIT_ERROR, next;
+      while (defined (my $line = <FH>))
+        {
+          while ($line =~
+              /\b(if\s*\(\s*([^)]+?)(?:\s*!=\s*([^)]+?))?\s*\)
+              #  1          2                  3
+               (?:   \s*$regexp\s*\((?:\s*\([^)]+\))?\s*([^)]+)\)|
+                \s*\{\s*$regexp\s*\((?:\s*\([^)]+\))?\s*([^)]+)\)\s*;\s*\}))/sxg)
+            {
+              my $all = $1;
+              my ($lhs, $rhs) = ($2, $3);
+              my ($free_opnd, $braced_free_opnd) = ($4, $5);
+              my $non_NULL;
+              if (!defined $rhs) { $non_NULL = $lhs }
+              elsif (is_NULL $rhs) { $non_NULL = $lhs }
+              elsif (is_NULL $lhs) { $non_NULL = $rhs }
+              else { next }
+
+              # Compare the non-NULL part of the "if" expression and the
+              # free'd expression, without regard to white space.
+              $non_NULL =~ tr/ \t//d;
+              my $e2 = defined $free_opnd ? $free_opnd : $braced_free_opnd;
+              $e2 =~ tr/ \t//d;
+              if ($non_NULL eq $e2)
+                {
+                  $found_match = 1;
+                  $list
+                    and (print "$file\0"), next FILE;
+                  print "$file: $all\n";
+                }
+            }
+        }
+    }
+  continue
+    {
+      close FH;
+    }
+
+  $found_match && $err == EXIT_NO_MATCH
+    and $err = EXIT_MATCH;
+
+  exit $err;
+}
+
+my $foo = <<'EOF';
+# The above is to *find* them.
+# This adjusts them, removing the unnecessary "if (p)" part.
+
+# FIXME: do something like this as an option (doesn't do braces):
+free=xfree
+git grep -l -z "$free *(" \
+  | xargs -0 useless-if-before-free -l --name="$free" \
+  | xargs -0 perl -0x3b -pi -e \
+   's/\bif\s*\(\s*(\S+?)(?:\s*!=\s*(?:0|NULL))?\s*\)\s+('"$free"'\s*\((?:\s*\([^)]+\))?\s*\1\s*\))/$2/s'
+
+# Use the following to remove redundant uses of kfree inside braces.
+# Note that -0777 puts perl in slurp-whole-file mode;
+# but we have plenty of memory, these days...
+free=kfree
+git grep -l -z "$free *(" \
+  | xargs -0 useless-if-before-free -l --name="$free" \
+  | xargs -0 perl -0777 -pi -e \
+     's/\bif\s*\(\s*(\S+?)(?:\s*!=\s*(?:0|NULL))?\s*\)\s*\{\s*('"$free"'\s*\((?:\s*\([^)]+\))?\s*\1\s*\);)\s*\}[^\n]*$/$2/gms'
+
+Be careful that the result of the above transformation is valid.
+If the matched string is followed by "else", then obviously, it won't be.
+
+When modifying files, refuse to process anything other than a regular file.
+EOF
+
+## Local Variables:
+## mode: perl
+## indent-tabs-mode: nil
+## eval: (add-hook 'write-file-hooks 'time-stamp)
+## time-stamp-start: "my $VERSION = '"
+## time-stamp-format: "%:y-%02m-%02d %02H:%02M"
+## time-stamp-time-zone: "UTC"
+## time-stamp-end: "'; # UTC"
+## End:
diff --git a/build-aux/vc-list-files b/build-aux/vc-list-files
new file mode 100755
index 000000000..cc716e9c3
--- /dev/null
+++ b/build-aux/vc-list-files
@@ -0,0 +1,116 @@
+#!/bin/sh
+# List version-controlled file names.
+
+# Print a version string.
+scriptversion=2009-07-21.16; # UTC
+
+# Copyright (C) 2006-2009 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 Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+# List the specified version-controlled files.
+# With no argument, list them all.  With a single DIRECTORY argument,
+# list the version-controlled files in that directory.
+
+# If there's an argument, it must be a single, "."-relative directory name.
+# cvsu is part of the cvsutils package: http://www.red-bean.com/cvsutils/
+
+postprocess=
+case $1 in
+  --help) cat <<EOF
+Usage: $0 [-C SRCDIR] [DIR]
+
+Output a list of version-controlled files in DIR (default .), relative to
+SRCDIR (default .).  SRCDIR must be the top directory of a checkout.
+
+Options:
+  --help     print this help, then exit
+  --version  print version number, then exit
+  -C SRCDIR  change directory to SRCDIR before generating list
+
+Report bugs and patches to <bug-gnulib@gnu.org>.
+EOF
+    exit ;;
+
+  --version)
+    year=`echo "$scriptversion" | sed 's/[^0-9].*//'`
+    cat <<EOF
+vc-list-files $scriptversion
+Copyright (C) $year Free Software Foundation, Inc,
+License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
+This is free software: you are free to change and redistribute it.
+There is NO WARRANTY, to the extent permitted by law.
+EOF
+    exit ;;
+
+  -C)
+    test "$2" = . || postprocess="| sed 's|^|$2/|'"
+    cd "$2" || exit 1
+    shift; shift ;;
+esac
+
+dir=
+case $# in
+  0) ;;
+  1) dir=$1 ;;
+  *) echo "$0: too many arguments" 1>&2
+     echo "Usage: $0 [-C srcdir] [DIR]" 1>&2; exit 1;;
+esac
+
+test "x$dir" = x && dir=.
+
+if test -d .git; then
+  test "x$dir" = x. \
+    && dir= sed_esc= \
+    || { dir="$dir/"; sed_esc=`echo "$dir"|env sed 's,\([\\/]\),\\\\\1,g'`; }
+  # Ignore git symlinks - either they point into the tree, in which case
+  # we don't need to visit the target twice, or they point somewhere
+  # else (often into a submodule), in which case the content does not
+  # belong to this package.
+  eval exec git ls-tree -r 'HEAD:"$dir"' \
+    \| sed -n '"s/^100[^	]*./$sed_esc/p"' $postprocess
+elif test -d .hg; then
+  eval exec hg locate '"$dir/*"' $postprocess
+elif test -d .bzr; then
+  test "$postprocess" = '' && postprocess="| sed 's|^\./||'"
+  eval exec bzr ls --versioned '"$dir"' $postprocess
+elif test -d CVS; then
+  test "$postprocess" = '' && postprocess="| sed 's|^\./||'"
+  if test -x build-aux/cvsu; then
+    eval build-aux/cvsu --find --types=AFGM '"$dir"' $postprocess
+  elif (cvsu --help) >/dev/null 2>&1; then
+    eval cvsu --find --types=AFGM '"$dir"' $postprocess
+  else
+    eval awk -F/ \''{			\
+	if (!$1 && $3 !~ /^-/) {	\
+	  f=FILENAME;			\
+	  if (f ~ /CVS\/Entries$/)	\
+	    f = substr(f, 1, length(f)-11); \
+	  print f $2;			\
+	}}'\''				\
+      `find "$dir" -name Entries -print` /dev/null' $postprocess
+  fi
+else
+  echo "$0: Failed to determine type of version control used in `pwd`" 1>&2
+  exit 1
+fi
+
+# Local variables:
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-time-zone: "UTC"
+# time-stamp-end: "; # UTC"
+# End:
diff --git a/doc/gendocs_template b/doc/gendocs_template
new file mode 100644
index 000000000..ee6a5c566
--- /dev/null
+++ b/doc/gendocs_template
@@ -0,0 +1,96 @@
+<!--#include virtual="/server/header.html" -->
+<title>%%TITLE%% - GNU Project - Free Software Foundation (FSF)</title>
+<!--#include virtual="/server/banner.html" -->
+<h2>%%TITLE%%</h2>
+
+<!-- This document is in XML, and xhtml 1.0 -->
+<!-- Please make sure to properly nest your tags -->
+<!-- and ensure that your final document validates -->
+<!-- consistent with W3C xhtml 1.0 and CSS standards -->
+<!-- See validator.w3.org -->
+
+<address>Free Software Foundation</address>
+<address>last updated %%DATE%%</address>
+
+<p>This manual (%%PACKAGE%%) is available in the following formats:</p>
+
+<ul>
+<li><a href="%%PACKAGE%%.html">HTML
+    (%%HTML_MONO_SIZE%%K bytes)</a> - entirely on one web page.</li>
+<li><a href="html_node/index.html">HTML</a> - with one web page per
+    node.</li>
+%%IF HTML_SECTION%%
+<li><a href="html_section/index.html">HTML</a> - with one web page per
+    section.</li>
+%%ENDIF HTML_SECTION%%
+%%IF HTML_CHAPTER%%
+<li><a href="html_chapter/index.html">HTML</a> - with one web page per
+    chapter.</li>
+%%ENDIF HTML_CHAPTER%%
+<li><a href="%%PACKAGE%%.html.gz">HTML compressed
+    (%%HTML_MONO_GZ_SIZE%%K gzipped characters)</a> - entirely on
+    one web page.</li>
+<li><a href="%%PACKAGE%%.html_node.tar.gz">HTML compressed
+    (%%HTML_NODE_TGZ_SIZE%%K gzipped tar file)</a> -
+    with one web page per node.</li>
+%%IF HTML_SECTION%%
+<li><a href="%%PACKAGE%%.html_section.tar.gz">HTML compressed
+    (%%HTML_SECTION_TGZ_SIZE%%K gzipped tar file)</a> -
+    with one web page per section.</li>
+%%ENDIF HTML_SECTION%%
+%%IF HTML_CHAPTER%%
+<li><a href="%%PACKAGE%%.html_chapter.tar.gz">HTML compressed
+    (%%HTML_CHAPTER_TGZ_SIZE%%K gzipped tar file)</a> -
+    with one web page per chapter.</li>
+%%ENDIF HTML_CHAPTER%%
+<li><a href="%%PACKAGE%%.info.tar.gz">Info document
+    (%%INFO_TGZ_SIZE%%K bytes gzipped tar file)</a>.</li>
+<li><a href="%%PACKAGE%%.txt">ASCII text
+    (%%ASCII_SIZE%%K bytes)</a>.</li>
+<li><a href="%%PACKAGE%%.txt.gz">ASCII text compressed
+    (%%ASCII_GZ_SIZE%%K bytes gzipped)</a>.</li>
+<li><a href="%%PACKAGE%%.dvi.gz">TeX dvi file
+    (%%DVI_GZ_SIZE%%K bytes gzipped)</a>.</li>
+<li><a href="%%PACKAGE%%.ps.gz">PostScript file
+    (%%PS_GZ_SIZE%%K bytes gzipped)</a>.</li>
+<li><a href="%%PACKAGE%%.pdf">PDF file
+    (%%PDF_SIZE%%K bytes)</a>.</li>
+<li><a href="%%PACKAGE%%.texi.tar.gz">Texinfo source
+    (%%TEXI_TGZ_SIZE%%K bytes gzipped tar file).</a></li>
+</ul>
+
+<p>You can <a href="http://shop.fsf.org/">buy printed copies of
+some manuals</a> (among other items) from the Free Software Foundation;
+this helps support FSF activities.</p>
+
+<p>(This page generated by the <a href="%%SCRIPTURL%%">%%SCRIPTNAME%%
+script</a>.)</p>
+
+<!-- If needed, change the copyright block at the bottom. In general, -->
+<!-- all pages on the GNU web server should have the section about    -->
+<!-- verbatim copying.  Please do NOT remove this without talking     -->
+<!-- with the webmasters first. -->
+<!-- Please make sure the copyright date is consistent with the document -->
+<!-- and that it is like this "2001, 2002" not this "2001-2002." -->
+</div><!-- for id="content", starts in the include above -->
+<!--#include virtual="/server/footer.html" -->
+<div id="footer">
+
+<p>
+Please send FSF &amp; GNU inquiries to
+<a href="mailto:gnu@gnu.org">&lt;gnu@gnu.org&gt;</a>.
+There are also <a href="/contact/">other ways to contact</a>
+the FSF.<br />
+Please send broken links and other corrections or suggestions to
+<a href="mailto:%%EMAIL%%">&lt;%%EMAIL%%&gt;</a>.
+</p>
+
+<p>Copyright &copy; 2009 Free Software Foundation, Inc.</p>
+
+<p>Verbatim copying and distribution of this entire article is
+permitted in any medium, provided this notice is preserved.</p>
+
+</div>
+</div>
+</body>
+</html>
diff --git a/lib/Makefile.am b/lib/Makefile.am
index 248d777b5..14a6613a3 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -9,7 +9,7 @@
 # the same distribution terms as the rest of that program.
 #
 # Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux --lgpl=3 --libtool --macro-prefix=gl --no-vc-files alignof alloca-opt autobuild byteswap canonicalize-lgpl environ extensions flock fpieee full-read full-write havelib iconv_open-utf inet_ntop inet_pton lib-symbol-versions lib-symbol-visibility libunistring putenv stdlib strcase strftime striconveh string verify version-etc-fsf vsnprintf warnings
+# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux --lgpl=3 --libtool --macro-prefix=gl --no-vc-files alignof alloca-opt announce-gen autobuild byteswap canonicalize-lgpl environ extensions flock fpieee full-read full-write gendocs gitlog-to-changelog gnu-web-doc-update gnupload havelib iconv_open-utf inet_ntop inet_pton lib-symbol-versions lib-symbol-visibility libunistring maintainer-makefile putenv stdlib strcase strftime striconveh string verify version-etc-fsf vsnprintf warnings
 
 AUTOMAKE_OPTIONS = 1.5 gnits subdir-objects
 
@@ -62,6 +62,13 @@ EXTRA_DIST += alloca.in.h
 
 ## end   gnulib module alloca-opt
 
+## begin gnulib module announce-gen
+
+
+EXTRA_DIST += $(top_srcdir)/build-aux/announce-gen
+
+## end   gnulib module announce-gen
+
 ## begin gnulib module arpa_inet
 
 BUILT_SOURCES += $(ARPA_INET_H)
@@ -267,12 +274,50 @@ libgnu_la_SOURCES += full-write.h full-write.c
 
 ## end   gnulib module full-write
 
+## begin gnulib module gendocs
+
+
+EXTRA_DIST += $(top_srcdir)/build-aux/gendocs.sh
+
+## end   gnulib module gendocs
+
 ## begin gnulib module gettext-h
 
 libgnu_la_SOURCES += gettext.h
 
 ## end   gnulib module gettext-h
 
+## begin gnulib module gitlog-to-changelog
+
+
+EXTRA_DIST += $(top_srcdir)/build-aux/gitlog-to-changelog
+
+## end   gnulib module gitlog-to-changelog
+
+## begin gnulib module gnu-web-doc-update
+
+
+EXTRA_DIST += $(top_srcdir)/build-aux/gnu-web-doc-update
+
+## end   gnulib module gnu-web-doc-update
+
+## begin gnulib module gnumakefile
+
+distclean-local: clean-GNUmakefile
+clean-GNUmakefile:
+	test x'$(VPATH)' != x && rm -f $(top_builddir)/GNUmakefile || :
+
+EXTRA_DIST += $(top_srcdir)/GNUmakefile
+
+## end   gnulib module gnumakefile
+
+## begin gnulib module gnupload
+
+
+EXTRA_DIST += $(top_srcdir)/build-aux/gnupload
+
+## end   gnulib module gnupload
+
 ## begin gnulib module gperf
 
 GPERF = gperf
@@ -461,6 +506,12 @@ EXTRA_libgnu_la_SOURCES += lstat.c
 
 ## end   gnulib module lstat
 
+## begin gnulib module maintainer-makefile
+
+EXTRA_DIST += $(top_srcdir)/maint.mk
+
+## end   gnulib module maintainer-makefile
+
 ## begin gnulib module malloc-posix
 
 
@@ -1332,6 +1383,13 @@ EXTRA_DIST += unitypes.h
 
 ## end   gnulib module unitypes
 
+## begin gnulib module useless-if-before-free
+
+
+EXTRA_DIST += $(top_srcdir)/build-aux/useless-if-before-free
+
+## end   gnulib module useless-if-before-free
+
 ## begin gnulib module vasnprintf
 
 
@@ -1341,6 +1399,13 @@ EXTRA_libgnu_la_SOURCES += asnprintf.c printf-args.c printf-parse.c vasnprintf.c
 
 ## end   gnulib module vasnprintf
 
+## begin gnulib module vc-list-files
+
+
+EXTRA_DIST += $(top_srcdir)/build-aux/vc-list-files
+
+## end   gnulib module vc-list-files
+
 ## begin gnulib module verify
 
 libgnu_la_SOURCES += verify.h
diff --git a/m4/gnulib-cache.m4 b/m4/gnulib-cache.m4
index aa094c90e..ea13933dd 100644
--- a/m4/gnulib-cache.m4
+++ b/m4/gnulib-cache.m4
@@ -15,13 +15,14 @@
 
 
 # Specification in the form of a command-line invocation:
-#   gnulib-tool --import --dir=. --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux --lgpl=3 --libtool --macro-prefix=gl --no-vc-files alignof alloca-opt autobuild byteswap canonicalize-lgpl environ extensions flock fpieee full-read full-write havelib iconv_open-utf inet_ntop inet_pton lib-symbol-versions lib-symbol-visibility libunistring putenv stdlib strcase strftime striconveh string verify version-etc-fsf vsnprintf warnings
+#   gnulib-tool --import --dir=. --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux --lgpl=3 --libtool --macro-prefix=gl --no-vc-files alignof alloca-opt announce-gen autobuild byteswap canonicalize-lgpl environ extensions flock fpieee full-read full-write gendocs gitlog-to-changelog gnu-web-doc-update gnupload havelib iconv_open-utf inet_ntop inet_pton lib-symbol-versions lib-symbol-visibility libunistring maintainer-makefile putenv stdlib strcase strftime striconveh string verify version-etc-fsf vsnprintf warnings
 
 # Specification in the form of a few gnulib-tool.m4 macro invocations:
 gl_LOCAL_DIR([])
 gl_MODULES([
   alignof
   alloca-opt
+  announce-gen
   autobuild
   byteswap
   canonicalize-lgpl
@@ -31,6 +32,10 @@ gl_MODULES([
   fpieee
   full-read
   full-write
+  gendocs
+  gitlog-to-changelog
+  gnu-web-doc-update
+  gnupload
   havelib
   iconv_open-utf
   inet_ntop
@@ -38,6 +43,7 @@ gl_MODULES([
   lib-symbol-versions
   lib-symbol-visibility
   libunistring
+  maintainer-makefile
   putenv
   stdlib
   strcase
diff --git a/m4/gnulib-comp.m4 b/m4/gnulib-comp.m4
index a4ae1d284..1e6e0a2c8 100644
--- a/m4/gnulib-comp.m4
+++ b/m4/gnulib-comp.m4
@@ -65,6 +65,16 @@ AC_DEFUN([gl_INIT],
   gl_HEADER_SYS_FILE_MODULE_INDICATOR([flock])
   AC_SUBST([LIBINTL])
   AC_SUBST([LTLIBINTL])
+  # Autoconf 2.61a.99 and earlier don't support linking a file only
+  # in VPATH builds.  But since GNUmakefile is for maintainer use
+  # only, it does not matter if we skip the link with older autoconf.
+  # Automake 1.10.1 and earlier try to remove GNUmakefile in non-VPATH
+  # builds, so use a shell variable to bypass this.
+  GNUmakefile=GNUmakefile
+  m4_if(m4_version_compare([2.61a.100],
+  	m4_defn([m4_PACKAGE_VERSION])), [1], [],
+        [AC_CONFIG_LINKS([$GNUmakefile:$GNUmakefile], [],
+  	[GNUmakefile=$GNUmakefile])])
   AM_ICONV
   gl_ICONV_H
   gl_FUNC_ICONV_OPEN
@@ -272,8 +282,16 @@ AC_DEFUN([gltests_LIBSOURCES], [
 # This macro records the list of files which have been installed by
 # gnulib-tool and may be removed by future gnulib-tool invocations.
 AC_DEFUN([gl_FILE_LIST], [
+  build-aux/announce-gen
   build-aux/config.rpath
+  build-aux/gendocs.sh
+  build-aux/gitlog-to-changelog
+  build-aux/gnu-web-doc-update
+  build-aux/gnupload
   build-aux/link-warning.h
+  build-aux/useless-if-before-free
+  build-aux/vc-list-files
+  doc/gendocs_template
   lib/alignof.h
   lib/alloca.in.h
   lib/arpa_inet.in.h
@@ -466,4 +484,6 @@ AC_DEFUN([gl_FILE_LIST], [
   m4/wint_t.m4
   m4/write.m4
   m4/xsize.m4
+  top/GNUmakefile
+  top/maint.mk
 ])
diff --git a/maint.mk b/maint.mk
new file mode 100644
index 000000000..34d66e1d1
--- /dev/null
+++ b/maint.mk
@@ -0,0 +1,816 @@
+# -*-Makefile-*-
+# This Makefile fragment tries to be general-purpose enough to be
+# used by many projects via the gnulib maintainer-makefile module.
+
+## Copyright (C) 2001-2009 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 Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# This is reported not to work with make-3.79.1
+# ME := $(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
+ME := maint.mk
+
+# Override this in cfg.mk if you use a non-standard build-aux directory.
+build_aux ?= $(srcdir)/build-aux
+
+# Do not save the original name or timestamp in the .tar.gz file.
+# Use --rsyncable if available.
+gzip_rsyncable := \
+  $(shell gzip --help 2>/dev/null|grep rsyncable >/dev/null && echo --rsyncable)
+GZIP_ENV = '--no-name --best $(gzip_rsyncable)'
+
+# cfg.mk must define the gpg_key_ID used by this package.
+GIT = git
+VC = $(GIT)
+VC-tag = git tag -s -m '$(VERSION)' -u '$(gpg_key_ID)'
+
+VC_LIST = $(build_aux)/vc-list-files -C $(srcdir)
+
+VC_LIST_EXCEPT = \
+  $(VC_LIST) | if test -f $(srcdir)/.x-$@; then grep -vEf $(srcdir)/.x-$@; \
+	       else grep -Ev "$${VC_LIST_EXCEPT_DEFAULT-ChangeLog}"; fi
+
+ifeq ($(origin prev_version_file), undefined)
+  prev_version_file = $(srcdir)/.prev-version
+endif
+
+PREV_VERSION := $(shell cat $(prev_version_file) 2>/dev/null)
+VERSION_REGEXP = $(subst .,\.,$(VERSION))
+PREV_VERSION_REGEXP = $(subst .,\.,$(PREV_VERSION))
+
+ifeq ($(VC),$(GIT))
+this-vc-tag = v$(VERSION)
+this-vc-tag-regexp = v$(VERSION_REGEXP)
+else
+tag-package = $(shell echo "$(PACKAGE)" | tr '[:lower:]' '[:upper:]')
+tag-this-version = $(subst .,_,$(VERSION))
+this-vc-tag = $(tag-package)-$(tag-this-version)
+this-vc-tag-regexp = $(this-vc-tag)
+endif
+my_distdir = $(PACKAGE)-$(VERSION)
+
+# Old releases are stored here.
+release_archive_dir ?= ../release
+
+# Prevent programs like 'sort' from considering distinct strings to be equal.
+# Doing it here saves us from having to set LC_ALL elsewhere in this file.
+export LC_ALL = C
+
+## --------------- ##
+## Sanity checks.  ##
+## --------------- ##
+
+_cfg_mk := $(shell test -f $(srcdir)/cfg.mk && echo '$(srcdir)/cfg.mk')
+
+# Collect the names of rules starting with `sc_'.
+syntax-check-rules := $(sort $(shell sed -n 's/^\(sc_[a-zA-Z0-9_-]*\):.*/\1/p' \
+			$(srcdir)/$(ME) $(_cfg_mk)))
+.PHONY: $(syntax-check-rules)
+
+local-checks-available = \
+  $(syntax-check-rules)
+.PHONY: $(local-checks-available)
+
+# Arrange to print the name of each syntax-checking rule just before running it.
+$(syntax-check-rules): %: %.m
+$(patsubst %, %.m, $(syntax-check-rules)):
+	@echo $(patsubst sc_%.m, %, $@)
+
+local-check := $(filter-out $(local-checks-to-skip), $(local-checks-available))
+
+syntax-check: $(local-check)
+#	@grep -nE '#  *include <(limits|std(def|arg|bool))\.h>'		\
+#	    $$(find -type f -name '*.[chly]') &&			\
+#	  { echo '$(ME): found conditional include' 1>&2;		\
+#	    exit 1; } || :
+
+#	grep -nE '^#  *include <(string|stdlib)\.h>'			\
+#	    $(srcdir)/{lib,src}/*.[chy] &&				\
+#	  { echo '$(ME): FIXME' 1>&2;					\
+#	    exit 1; } || :
+# FIXME: don't allow `#include .strings\.h' anywhere
+
+# By default, _prohibit_regexp does not ignore case.
+export ignore_case =
+_ignore_case = $$(test -n "$$ignore_case" && echo -i || :)
+
+# There are many rules below that prohibit constructs in this package.
+# If the offending construct can be matched with a grep-E-style regexp,
+# use this macro.  The shell variables "re" and "msg" must be defined.
+define _prohibit_regexp
+  dummy=; : so we do not need a semicolon before each use;		\
+  test "x$$re" != x || { echo '$(ME): re not defined' 1>&2; exit 1; };	\
+  test "x$$msg" != x || { echo '$(ME): msg not defined' 1>&2; exit 1; };\
+  grep $(_ignore_case) -nE "$$re" $$($(VC_LIST_EXCEPT)) &&		\
+    { echo '$(ME): '"$$msg" 1>&2; exit 1; } || :
+endef
+
+sc_avoid_if_before_free:
+	@$(build_aux)/useless-if-before-free				\
+		$(useless_free_options)					\
+	    $$($(VC_LIST_EXCEPT) | grep -v useless-if-before-free) &&	\
+	  { echo '$(ME): found useless "if" before "free" above' 1>&2;	\
+	    exit 1; } || :
+
+sc_cast_of_argument_to_free:
+	@re='\<free *\( *\(' msg='don'\''t cast free argument'		\
+	  $(_prohibit_regexp)
+
+sc_cast_of_x_alloc_return_value:
+	@re='\*\) *x(m|c|re)alloc\>'					\
+	msg='don'\''t cast x*alloc return value'			\
+	  $(_prohibit_regexp)
+
+sc_cast_of_alloca_return_value:
+	@re='\*\) *alloca\>' msg='don'\''t cast alloca return value'	\
+	  $(_prohibit_regexp)
+
+sc_space_tab:
+	@re='[ ]	' msg='found SPACE-TAB sequence; remove the SPACE' \
+	  $(_prohibit_regexp)
+
+# Don't use *scanf or the old ato* functions in `real' code.
+# They provide no error checking mechanism.
+# Instead, use strto* functions.
+sc_prohibit_atoi_atof:
+	@re='\<([fs]?scanf|ato([filq]|ll)) *\('				\
+	msg='do not use *scan''f, ato''f, ato''i, ato''l, ato''ll or ato''q' \
+	  $(_prohibit_regexp)
+
+# Use STREQ rather than comparing strcmp == 0, or != 0.
+sc_prohibit_strcmp:
+	@grep -nE '! *str''cmp *\(|\<str''cmp *\([^)]+\) *=='		\
+	    $$($(VC_LIST_EXCEPT))					\
+	  | grep -vE ':# *define STREQ\(' &&				\
+	  { echo '$(ME): use STREQ in place of the above uses of str''cmp' \
+		1>&2; exit 1; } || :
+
+# Pass EXIT_*, not number, to usage, exit, and error (when exiting)
+sc_prohibit_magic_number_exit:
+	@re='\<(usage|exit) ?\([0-9]|\<error ?\([1-9][0-9]*,'		\
+	msg='use EXIT_* values rather than magic number'		\
+	  $(_prohibit_regexp)
+
+# Using EXIT_SUCCESS as the first argument to error is misleading,
+# since when that parameter is 0, error does not exit.  Use `0' instead.
+sc_error_exit_success:
+	@grep -nE 'error \(EXIT_SUCCESS,'				\
+	    $$($(VC_LIST_EXCEPT) | grep -E '\.[chly]$$') &&		\
+	  { echo '$(ME): found error (EXIT_SUCCESS' 1>&2; exit 1; } || :
+
+# `FATAL:' should be fully upper-cased in error messages
+# `WARNING:' should be fully upper-cased, or fully lower-cased
+sc_error_message_warn_fatal:
+	@grep -nEA2 '[^rp]error \(' $$($(VC_LIST_EXCEPT))		\
+	    | grep -E '"Warning|"Fatal|"fatal' &&			\
+	  { echo '$(ME): use FATAL, WARNING or warning'	1>&2;		\
+	    exit 1; } || :
+
+# Error messages should not start with a capital letter
+sc_error_message_uppercase:
+	@grep -nEA2 '[^rp]error \(' $$($(VC_LIST_EXCEPT))		\
+	    | grep -E '"[A-Z]'						\
+	    | grep -vE '"FATAL|"WARNING|"Java|"C#|PRIuMAX' &&		\
+	  { echo '$(ME): found capitalized error message' 1>&2;		\
+	    exit 1; } || :
+
+# Error messages should not end with a period
+sc_error_message_period:
+	@grep -nEA2 '[^rp]error \(' $$($(VC_LIST_EXCEPT))		\
+	    | grep -E '[^."]\."' &&					\
+	  { echo '$(ME): found error message ending in period' 1>&2;	\
+	    exit 1; } || :
+
+sc_file_system:
+	@re=file''system ignore_case=1					\
+	msg='found use of "file''system"; spell it "file system"'	\
+	  $(_prohibit_regexp)
+
+# Don't use cpp tests of this symbol.  All code assumes config.h is included.
+sc_prohibit_have_config_h:
+	@grep -n '^# *if.*HAVE''_CONFIG_H' $$($(VC_LIST_EXCEPT)) &&	\
+	  { echo '$(ME): found use of HAVE''_CONFIG_H; remove'		\
+		1>&2; exit 1; } || :
+
+# Nearly all .c files must include <config.h>.  However, we also permit this
+# via inclusion of a package-specific header, if cfg.mk specified one.
+# config_h_header must be suitable for grep -E.
+config_h_header ?= <config\.h>
+sc_require_config_h:
+	@if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then	\
+	  grep -EL '^# *include $(config_h_header)'			\
+		$$($(VC_LIST_EXCEPT) | grep '\.c$$')			\
+	      | grep . &&						\
+	  { echo '$(ME): the above files do not include <config.h>'	\
+		1>&2; exit 1; } || :;					\
+	else :;								\
+	fi
+
+# You must include <config.h> before including any other header file.
+# This can possibly be via a package-specific header, if given by cfg.mk.
+sc_require_config_h_first:
+	@if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then	\
+	  fail=0;							\
+	  for i in $$($(VC_LIST_EXCEPT) | grep '\.c$$'); do		\
+	    grep '^# *include\>' $$i | sed 1q				\
+		| grep -E '^# *include $(config_h_header)' > /dev/null	\
+	      || { echo $$i; fail=1; };					\
+	  done;								\
+	  test $$fail = 1 &&						\
+	    { echo '$(ME): the above files include some other header'	\
+		'before <config.h>' 1>&2; exit 1; } || :;		\
+	else :;								\
+	fi
+
+sc_prohibit_HAVE_MBRTOWC:
+	@re='\bHAVE_MBRTOWC\b' msg="do not use $$re; it is always defined" \
+	  $(_prohibit_regexp)
+
+# To use this "command" macro, you must first define two shell variables:
+# h: the header, enclosed in <> or ""
+# re: a regular expression that matches IFF something provided by $h is used.
+define _header_without_use
+  dummy=; : so we do not need a semicolon before each use;		\
+  h_esc=`echo "$$h"|sed 's/\./\\\\./g'`;				\
+  if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then		\
+    files=$$(grep -l '^# *include '"$$h_esc"				\
+	     $$($(VC_LIST_EXCEPT) | grep '\.c$$')) &&			\
+    grep -LE "$$re" $$files | grep . &&					\
+      { echo "$(ME): the above files include $$h but don't use it"	\
+	1>&2; exit 1; } || :;						\
+  else :;								\
+  fi
+endef
+
+# Prohibit the inclusion of assert.h without an actual use of assert.
+sc_prohibit_assert_without_use:
+	@h='<assert.h>' re='\<assert *\(' $(_header_without_use)
+
+# Prohibit the inclusion of close-stream.h without an actual use.
+sc_prohibit_close_stream_without_use:
+	@h='"close-stream.h"' re='\<close_stream *\(' $(_header_without_use)
+
+# Prohibit the inclusion of getopt.h without an actual use.
+sc_prohibit_getopt_without_use:
+	@h='<getopt.h>' re='\<getopt(_long)? *\(' $(_header_without_use)
+
+# Don't include quotearg.h unless you use one of its functions.
+sc_prohibit_quotearg_without_use:
+	@h='"quotearg.h"' re='\<quotearg(_[^ ]+)? *\(' $(_header_without_use)
+
+# Don't include quote.h unless you use one of its functions.
+sc_prohibit_quote_without_use:
+	@h='"quote.h"' re='\<quote(_n)? *\(' $(_header_without_use)
+
+# Don't include this header unless you use one of its functions.
+sc_prohibit_long_options_without_use:
+	@h='"long-options.h"' re='\<parse_long_options *\(' \
+	  $(_header_without_use)
+
+# Don't include this header unless you use one of its functions.
+sc_prohibit_inttostr_without_use:
+	@h='"inttostr.h"' re='\<(off|[iu]max|uint)tostr *\(' \
+	  $(_header_without_use)
+
+# Don't include this header unless you use one of its functions.
+sc_prohibit_error_without_use:
+	@h='"error.h"' \
+	re='\<error(_at_line|_print_progname|_one_per_line|_message_count)? *\('\
+	  $(_header_without_use)
+
+# Don't include xalloc.h unless you use one of its functions.
+# Consider these symbols:
+# perl -lne '/^# *define (\w+)\(/ and print $1' lib/xalloc.h|grep -v '^__';
+# perl -lne '/^(?:extern )?(?:void|char) \*?(\w+) \(/ and print $1' lib/xalloc.h
+# Divide into two sets on case, and filter each through this:
+# | sort | perl -MRegexp::Assemble -le \
+#  'print Regexp::Assemble->new(file => "/dev/stdin")->as_string'|sed 's/\?://g'
+# Note this was produced by the above:
+# _xa1 = x(alloc_(oversized|die)|([cz]|2?re)alloc|m(alloc|emdup)|strdup)
+# But we can do better:
+_xa1 = x(alloc_(oversized|die)|([cmz]|2?re)alloc|(mem|str)dup)
+_xa2 = X([CZ]|N?M)ALLOC
+sc_prohibit_xalloc_without_use:
+	@h='"xalloc.h"' \
+	re='\<($(_xa1)|$(_xa2)) *\('\
+	  $(_header_without_use)
+
+sc_prohibit_safe_read_without_use:
+	@h='"safe-read.h"' re='(\<SAFE_READ_ERROR\>|\<safe_read *\()' \
+	  $(_header_without_use)
+
+sc_prohibit_argmatch_without_use:
+	@h='"argmatch.h"' \
+	re='(\<(ARRAY_CARDINALITY|X?ARGMATCH(|_TO_ARGUMENT|_VERIFY))\>|\<argmatch(_exit_fn|_(in)?valid) *\()' \
+	  $(_header_without_use)
+
+sc_prohibit_canonicalize_without_use:
+	@h='"canonicalize.h"' \
+	re='CAN_(EXISTING|ALL_BUT_LAST|MISSING)|canonicalize_(mode_t|filename_mode)' \
+	  $(_header_without_use)
+
+sc_prohibit_root_dev_ino_without_use:
+	@h='"root-dev-ino.h"' \
+	re='(\<ROOT_DEV_INO_(CHECK|WARN)\>|\<get_root_dev_ino *\()' \
+	  $(_header_without_use)
+
+sc_prohibit_openat_without_use:
+	@h='"openat.h"' \
+	re='\<(openat_(permissive|needs_fchdir|(save|restore)_fail)|l?(stat|ch(own|mod))at|(euid)?accessat)\>' \
+	  $(_header_without_use)
+
+# Prohibit the inclusion of c-ctype.h without an actual use.
+ctype_re = isalnum|isalpha|isascii|isblank|iscntrl|isdigit|isgraph|islower\
+|isprint|ispunct|isspace|isupper|isxdigit|tolower|toupper
+sc_prohibit_c_ctype_without_use:
+	@h='[<"]c-ctype.h[">]' re='\<c_($(ctype_re)) *\(' $(_header_without_use)
+
+_empty =
+_sp = $(_empty) $(_empty)
+# The following list was generated by running:
+# man signal.h|col -b|perl -ne '/bsd_signal.*;/.../sigwaitinfo.*;/ and print' \
+#   | perl -lne '/^\s+(?:int|void).*?(\w+).*/ and print $1' | fmt
+_sig_functions = \
+  bsd_signal kill killpg pthread_kill pthread_sigmask raise sigaction \
+  sigaddset sigaltstack sigdelset sigemptyset sigfillset sighold sigignore \
+  siginterrupt sigismember signal sigpause sigpending sigprocmask sigqueue \
+  sigrelse sigset sigsuspend sigtimedwait sigwait sigwaitinfo
+_sig_function_re = $(subst $(_sp),|,$(strip $(_sig_functions)))
+# The following were extracted from "man signal.h" manually.
+_sig_types_and_consts =							\
+  MINSIGSTKSZ SA_NOCLDSTOP SA_NOCLDWAIT SA_NODEFER SA_ONSTACK		\
+  SA_RESETHAND SA_RESTART SA_SIGINFO SIGEV_NONE SIGEV_SIGNAL		\
+  SIGEV_THREAD SIGSTKSZ SIG_BLOCK SIG_SETMASK SIG_UNBLOCK SS_DISABLE	\
+  SS_ONSTACK mcontext_t pid_t sig_atomic_t sigevent siginfo_t sigset_t	\
+  sigstack sigval stack_t ucontext_t
+# generated via this:
+# perl -lne '/^#ifdef (SIG\w+)/ and print $1' lib/sig2str.c|sort -u|fmt -70
+_sig_names =								\
+  SIGABRT SIGALRM SIGALRM1 SIGBUS SIGCANCEL SIGCHLD SIGCLD SIGCONT	\
+  SIGDANGER SIGDIL SIGEMT SIGFPE SIGFREEZE SIGGRANT SIGHUP SIGILL	\
+  SIGINFO SIGINT SIGIO SIGIOT SIGKAP SIGKILL SIGKILLTHR SIGLOST SIGLWP	\
+  SIGMIGRATE SIGMSG SIGPHONE SIGPIPE SIGPOLL SIGPRE SIGPROF SIGPWR	\
+  SIGQUIT SIGRETRACT SIGSAK SIGSEGV SIGSOUND SIGSTKFLT SIGSTOP SIGSYS	\
+  SIGTERM SIGTHAW SIGTRAP SIGTSTP SIGTTIN SIGTTOU SIGURG SIGUSR1	\
+  SIGUSR2 SIGVIRT SIGVTALRM SIGWAITING SIGWINCH SIGWIND SIGWINDOW	\
+  SIGXCPU SIGXFSZ
+_sig_syms_re = $(subst $(_sp),|,$(strip $(_sig_names) $(_sig_types_and_consts)))
+
+# Prohibit the inclusion of signal.h without an actual use.
+sc_prohibit_signal_without_use:
+	@h='<signal.h>'							\
+	re='\<($(_sig_function_re)) *\(|\<($(_sig_syms_re))\>'		\
+	  $(_header_without_use)
+
+sc_obsolete_symbols:
+	@re='\<(HAVE''_FCNTL_H|O''_NDELAY)\>'				\
+	msg='do not use HAVE''_FCNTL_H or O'_NDELAY			\
+	  $(_prohibit_regexp)
+
+# FIXME: warn about definitions of EXIT_FAILURE, EXIT_SUCCESS, STREQ
+
+# Each nonempty ChangeLog line must start with a year number, or a TAB.
+sc_changelog:
+	@if $(VC_LIST_EXCEPT) | grep -l '^ChangeLog$$' >/dev/null; then	\
+	  grep -n '^[^12	]'					\
+	    $$($(VC_LIST_EXCEPT) | grep '^ChangeLog$$') &&		\
+	  { echo '$(ME): found unexpected prefix in a ChangeLog' 1>&2;	\
+	    exit 1; } || :;						\
+	fi
+
+# Ensure that each .c file containing a "main" function also
+# calls set_program_name.
+sc_program_name:
+	@if $(VC_LIST_EXCEPT) | grep -l '\.c$$' > /dev/null; then	\
+	  files=$$(grep -l '^main *(' $$($(VC_LIST_EXCEPT) | grep '\.c$$')); \
+	  grep -LE 'set_program_name *\(m?argv\[0\]\);' $$files		\
+	      | grep . &&						\
+	  { echo '$(ME): the above files do not call set_program_name'	\
+		1>&2; exit 1; } || :;					\
+	else :;								\
+	fi
+
+# Require that the final line of each test-lib.sh-using test be this one:
+# Exit $fail
+# Note: this test requires GNU grep's --label= option.
+Exit_witness_file ?= tests/test-lib.sh
+Exit_base := $(notdir $(Exit_witness_file))
+sc_require_test_exit_idiom:
+	@if test -f $(srcdir)/$(Exit_witness_file); then		\
+	  die=0;							\
+	  for i in $$(grep -l -F 'srcdir/$(Exit_base)'			\
+		$$($(VC_LIST) tests)); do				\
+	    tail -n1 $$i | grep '^Exit .' > /dev/null			\
+	      && : || { die=1; echo $$i; }				\
+	  done;								\
+	  test $$die = 1 &&						\
+	    { echo 1>&2 '$(ME): the final line in each of the above is not:'; \
+	      echo 1>&2 'Exit something';				\
+	      exit 1; } || :;						\
+	fi
+
+sc_the_the:
+	@re='\<the ''the\>'						\
+	ignore_case=1 msg='found use of "the ''the";'			\
+	  $(_prohibit_regexp)
+
+sc_trailing_blank:
+	@re='[	 ]$$'							\
+	msg='found trailing blank(s)'					\
+	  $(_prohibit_regexp)
+
+# Match lines like the following, but where there is only one space
+# between the options and the description:
+#   -D, --all-repeated[=delimit-method]  print all duplicate lines\n
+longopt_re = --[a-z][0-9A-Za-z-]*(\[?=[0-9A-Za-z-]*\]?)?
+sc_two_space_separator_in_usage:
+	@grep -nE '^   *(-[A-Za-z],)? $(longopt_re) [^ ].*\\$$'		\
+	    $$($(VC_LIST_EXCEPT)) &&					\
+	  { echo "$(ME): help2man requires at least two spaces between"; \
+	    echo "$(ME): an option and its description";		\
+		1>&2; exit 1; } || :
+
+# Look for diagnostics that aren't marked for translation.
+# This won't find any for which error's format string is on a separate line.
+sc_unmarked_diagnostics:
+	@grep -nE							\
+	    '\<error \([^"]*"[^"]*[a-z]{3}' $$($(VC_LIST_EXCEPT))	\
+	  | grep -v '_''(' &&						\
+	  { echo '$(ME): found unmarked diagnostic(s)' 1>&2;		\
+	    exit 1; } || :
+
+# Avoid useless parentheses like those in this example:
+# #if defined (SYMBOL) || defined (SYM2)
+sc_useless_cpp_parens:
+	@grep -n '^# *if .*defined *(' $$($(VC_LIST_EXCEPT)) &&		\
+	  { echo '$(ME): found useless parentheses in cpp directive'	\
+		1>&2; exit 1; } || :
+
+# Require the latest GPL.
+sc_GPL_version:
+	@re='either ''version [^3]' msg='GPL vN, N!=3'			\
+	  $(_prohibit_regexp)
+
+cvs_keywords = \
+  Author|Date|Header|Id|Name|Locker|Log|RCSfile|Revision|Source|State
+
+sc_prohibit_cvs_keyword:
+	@re='\$$($(cvs_keywords))\$$'					\
+	    msg='do not use CVS keyword expansion'			\
+	  $(_prohibit_regexp)
+
+# Make sure we don't use st_blocks.  Use ST_NBLOCKS instead.
+# This is a bit of a kludge, since it prevents use of the string
+# even in comments, but for now it does the job with no false positives.
+sc_prohibit_stat_st_blocks:
+	@re='[.>]st_blocks' msg='do not use st_blocks; use ST_NBLOCKS'	\
+	  $(_prohibit_regexp)
+
+# Make sure we don't define any S_IS* macros in src/*.c files.
+# They're already defined via gnulib's sys/stat.h replacement.
+sc_prohibit_S_IS_definition:
+	@re='^ *# *define  *S_IS'					\
+	msg='do not define S_IS* macros; include <sys/stat.h>'		\
+	  $(_prohibit_regexp)
+
+# Each program that uses proper_name_utf8 must link with
+# one of the ICONV libraries.
+sc_proper_name_utf8_requires_ICONV:
+	@progs=$$(grep -l 'proper_name_utf8 ''("' $$($(VC_LIST_EXCEPT)));\
+	if test "x$$progs" != x; then					\
+	  fail=0;							\
+	  for p in $$progs; do						\
+	    dir=$$(dirname "$$p");					\
+	    base=$$(basename "$$p" .c);					\
+	    grep "$${base}_LDADD.*ICONV)" $$dir/Makefile.am > /dev/null	\
+	      || { fail=1; echo 1>&2 "$(ME): $$p uses proper_name_utf8"; }; \
+	  done;								\
+	  test $$fail = 1 &&						\
+	    { echo 1>&2 '$(ME): the above do not link with any ICONV library'; \
+	      exit 1; } || :;						\
+	fi
+
+# Warn about "c0nst struct Foo const foo[]",
+# but not about "char const *const foo" or "#define const const".
+sc_redundant_const:
+	@re='\bconst\b[[:space:][:alnum:]]{2,}\bconst\b'		\
+	msg='redundant "const" in declarations'				\
+	  $(_prohibit_regexp)
+
+sc_const_long_option:
+	@grep '^ *static.*struct option ' $$($(VC_LIST_EXCEPT))		\
+	  | grep -Ev 'const struct option|struct option const' && {	\
+	      echo 1>&2 '$(ME): add "const" to the above declarations'; \
+	      exit 1; } || :
+
+NEWS_hash =								\
+  $$(sed -n '/^\*.* $(PREV_VERSION_REGEXP) ([0-9-]*)/,$$p'		\
+       $(srcdir)/NEWS							\
+     | grep -v '^Copyright .*Free Software'				\
+     | md5sum -								\
+     | sed 's/ .*//')
+
+# Ensure that we don't accidentally insert an entry into an old NEWS block.
+sc_immutable_NEWS:
+	@if test -f $(srcdir)/NEWS; then				\
+	  test "$(NEWS_hash)" = '$(old_NEWS_hash)' && : ||		\
+	    { echo '$(ME): you have modified old NEWS' 1>&2; exit 1; };	\
+	fi
+
+# Update the hash stored above.  Do this after each release and
+# for any corrections to old entries.
+update-NEWS-hash: NEWS
+	perl -pi -e 's/^(old_NEWS_hash[ \t]+:?=[ \t]+).*/$${1}'"$(NEWS_hash)/" \
+	  $(srcdir)/cfg.mk
+
+# Ensure that we use only the standard $(VAR) notation,
+# not @...@ in Makefile.am, now that we can rely on automake
+# to emit a definition for each substituted variable.
+# We use perl rather than "grep -nE ..." to exempt a single
+# use of an @...@-delimited variable name in src/Makefile.am.
+sc_makefile_check:
+	@perl -ne '/\@[A-Z_0-9]+\@/ && !/^cu_install_program =/'	\
+	  -e 'and (print "$$ARGV:$$.: $$_"), $$m=1; END {exit !$$m}'	\
+	    $$($(VC_LIST_EXCEPT) | grep -E '(^|/)Makefile\.am$$')	\
+	  && { echo '$(ME): use $$(...), not @...@' 1>&2; exit 1; } || :
+
+news-date-check: NEWS
+	today=`date +%Y-%m-%d`;						\
+	if head $(srcdir)/NEWS | grep '^\*.* $(VERSION_REGEXP) ('$$today')' \
+	    >/dev/null; then						\
+	  :;								\
+	else								\
+	  echo "version or today's date is not in NEWS" 1>&2;		\
+	  exit 1;							\
+	fi
+
+sc_makefile_TAB_only_indentation:
+	@grep -nE '^	[ ]{8}'						\
+	    $$($(VC_LIST_EXCEPT) | grep -E 'akefile|\.mk$$')		\
+	  && { echo '$(ME): found TAB-8-space indentation' 1>&2;	\
+	       exit 1; } || :
+
+sc_m4_quote_check:
+	@grep -nE '(AC_DEFINE(_UNQUOTED)?|AC_DEFUN)\([^[]'		\
+	    $$($(VC_LIST_EXCEPT) | grep -E '(^configure\.ac|\.m4)$$')	\
+	  && { echo '$(ME): quote the first arg to AC_DEF*' 1>&2;	\
+	       exit 1; } || :
+
+fix_po_file_diag = \
+'you have changed the set of files with translatable diagnostics;\n\
+apply the above patch\n'
+
+# Verify that all source files using _() are listed in po/POTFILES.in.
+po_file = po/POTFILES.in
+sc_po_check:
+	@if test -f $(po_file); then					\
+	  grep -E -v '^(#|$$)' $(po_file)				\
+	    | grep -v '^src/false\.c$$' | sort > $@-1;			\
+	  files=;							\
+	  for file in $$($(VC_LIST_EXCEPT)) lib/*.[ch]; do		\
+	    test -r $$file || continue;					\
+	    case $$file in						\
+	      *.m4|*.mk) continue ;;					\
+	      *.?|*.??) ;;						\
+	      *) continue;;						\
+	    esac;							\
+	    case $$file in						\
+	    *.[ch])							\
+	      base=`expr " $$file" : ' \(.*\)\..'`;			\
+	      { test -f $$base.l || test -f $$base.y; } && continue;;	\
+	    esac;							\
+	    files="$$files $$file";					\
+	  done;								\
+	  grep -E -l '\b(N?_|gettext *)\([^)"]*("|$$)' $$files		\
+	    | sort -u > $@-2;						\
+	  diff -u -L $(po_file) -L $(po_file) $@-1 $@-2			\
+	    || { printf '$(ME): '$(fix_po_file_diag) 1>&2; exit 1; };	\
+	  rm -f $@-1 $@-2;						\
+	fi
+
+# Sometimes it is useful to change the PATH environment variable
+# in Makefiles.  When doing so, it's better not to use the Unix-centric
+# path separator of `:', but rather the automake-provided `$(PATH_SEPARATOR)'.
+msg = '$(ME): Do not use `:'\'' above; use $$(PATH_SEPARATOR) instead'
+sc_makefile_path_separator_check:
+	@grep -nE 'PATH[=].*:'						\
+	    $$($(VC_LIST_EXCEPT) | grep -E 'akefile|\.mk$$')		\
+	  && { echo $(msg) 1>&2; exit 1; } || :
+
+# Check that `make alpha' will not fail at the end of the process.
+writable-files:
+	if test -d $(release_archive_dir); then :; else			\
+	  for file in $(distdir).tar.gz					\
+		      $(release_archive_dir)/$(distdir).tar.gz; do	\
+	    test -e $$file || continue;					\
+	    test -w $$file						\
+	      || { echo ERROR: $$file is not writable; fail=1; };	\
+	  done;								\
+	  test "$$fail" && exit 1 || : ;				\
+	fi
+
+v_etc_file = lib/version-etc.c
+sample-test = tests/sample-test
+texi = doc/$(PACKAGE).texi
+# Make sure that the copyright date in $(v_etc_file) is up to date.
+# Do the same for the $(sample-test) and the main doc/.texi file.
+sc_copyright_check:
+	@if test -f $(v_etc_file); then					\
+	  grep 'enum { COPYRIGHT_YEAR = '$$(date +%Y)' };' $(v_etc_file) \
+	    >/dev/null							\
+	  || { echo 'out of date copyright in $(v_etc_file); update it' 1>&2; \
+	       exit 1; };						\
+	fi
+	@if test -f $(sample-test); then				\
+	  grep '# Copyright (C) '$$(date +%Y)' Free' $(sample-test)	\
+	    >/dev/null							\
+	  || { echo 'out of date copyright in $(sample-test); update it' 1>&2; \
+	       exit 1; };						\
+	fi
+	@if test -f $(texi); then					\
+	  grep 'Copyright @copyright{} .*'$$(date +%Y)' Free' $(texi)	\
+	    >/dev/null							\
+	  || { echo 'out of date copyright in $(texi); update it' 1>&2;	\
+	       exit 1; };						\
+	fi
+
+vc-diff-check:
+	(unset CDPATH; cd $(srcdir) && $(VC) diff) > vc-diffs || :
+	if test -s vc-diffs; then				\
+	  cat vc-diffs;						\
+	  echo "Some files are locally modified:" 1>&2;		\
+	  exit 1;						\
+	else							\
+	  rm vc-diffs;						\
+	fi
+
+# Use this to make sure we don't run these programs when building
+# from a virgin tgz file, below.
+null_AM_MAKEFLAGS = \
+  ACLOCAL=false \
+  AUTOCONF=false \
+  AUTOMAKE=false \
+  AUTOHEADER=false \
+  MAKEINFO=false
+
+built_programs = $$(cd src && MAKEFLAGS= $(MAKE) -s built_programs.list)
+
+rel-files = $(DIST_ARCHIVES)
+
+gnulib_dir ?= $(srcdir)/gnulib
+gnulib-version = $$(cd $(gnulib_dir) && git describe)
+bootstrap-tools ?= autoconf,automake,gnulib
+
+announcement: NEWS ChangeLog $(rel-files)
+	@$(build_aux)/announce-gen					\
+	    --release-type=$(RELEASE_TYPE)				\
+	    --package=$(PACKAGE)					\
+	    --prev=$(PREV_VERSION)					\
+	    --curr=$(VERSION)						\
+	    --gpg-key-id=$(gpg_key_ID)					\
+	    --news=NEWS							\
+	    --bootstrap-tools=$(bootstrap-tools)			\
+	    --gnulib-version=$(gnulib-version)				\
+	    --no-print-checksums					\
+	    $(addprefix --url-dir=, $(url_dir_list))
+
+## ---------------- ##
+## Updating files.  ##
+## ---------------- ##
+
+ftp-gnu = ftp://ftp.gnu.org/gnu
+www-gnu = http://www.gnu.org
+
+emit_upload_commands:
+	@echo =====================================
+	@echo =====================================
+	@echo "$(build_aux)/gnupload $(GNUPLOADFLAGS) \\"
+	@echo "    --to $(gnu_rel_host):$(PACKAGE) \\"
+	@echo "  $(rel-files)"
+	@echo '# send the /tmp/announcement e-mail'
+	@echo =====================================
+	@echo =====================================
+
+noteworthy = * Noteworthy changes in release ?.? (????-??-??) [?]
+define emit-commit-log
+  printf '%s\n' 'post-release administrivia' '' \
+    '* NEWS: Add header line for next release.' \
+    '* .prev-version: Record previous version.' \
+    '* cfg.mk (old_NEWS_hash): Auto-update.'
+endef
+
+.PHONY: no-submodule-changes
+no-submodule-changes:
+	if test -d $(srcdir)/.git; then					\
+	  diff=$$(cd $(srcdir) && git submodule -q foreach		\
+		  git diff-index --name-only HEAD)			\
+	    || exit 1;							\
+	  case $$diff in '') ;;						\
+	    *) echo '$(ME): submodule files are locally modified:';	\
+		echo "$$diff"; exit 1;; esac;				\
+	else								\
+	  : ;								\
+	fi
+
+.PHONY: alpha beta stable
+ALL_RECURSIVE_TARGETS += alpha beta stable
+alpha beta stable: $(local-check) writable-files no-submodule-changes
+	test $@ = stable						\
+	  && { echo $(VERSION) | grep -E '^[0-9]+(\.[0-9]+)+$$'		\
+	       || { echo "invalid version string: $(VERSION)" 1>&2; exit 1;};}\
+	  || :
+	$(MAKE) vc-diff-check
+	$(MAKE) news-date-check
+	$(MAKE) distcheck
+	$(MAKE) dist XZ_OPT=-9ev
+	$(MAKE) -s announcement RELEASE_TYPE=$@ > /tmp/announce-$(my_distdir)
+	if test -d $(release_archive_dir); then			\
+	  ln $(rel-files) $(release_archive_dir);		\
+	  chmod a-w $(rel-files);				\
+	fi
+	$(MAKE) -s emit_upload_commands RELEASE_TYPE=$@
+	echo $(VERSION) > $(prev_version_file)
+	$(MAKE) update-NEWS-hash
+	perl -pi -e '$$. == 3 and print "$(noteworthy)\n\n\n"' NEWS
+	$(emit-commit-log) > .ci-msg
+	$(VC) commit -F .ci-msg -a
+
+.PHONY: web-manual
+web-manual:
+	@test -z "$(manual_title)" \
+	  && { echo define manual_title in cfg.mk 1>&2; exit 1; } || :
+	@cd '$(srcdir)/doc'; \
+	  $(SHELL) ../build-aux/gendocs.sh -o '$(abs_builddir)/doc/manual' \
+	     --email $(PACKAGE_BUGREPORT) $(PACKAGE) \
+	    "$(PACKAGE_NAME) - $(manual_title)"
+	@echo " *** Upload the doc/manual directory to web-cvs."
+
+# Code Coverage
+
+init-coverage:
+	$(MAKE) $(AM_MAKEFLAGS) clean
+	lcov --directory . --zerocounters
+
+COVERAGE_CCOPTS ?= "-g --coverage"
+COVERAGE_OUT ?= doc/coverage
+
+build-coverage:
+	$(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS)
+	$(MAKE) $(AM_MAKEFLAGS) CFLAGS=$(COVERAGE_CCOPTS) CXXFLAGS=$(COVERAGE_CCOPTS) check
+	mkdir -p $(COVERAGE_OUT)
+	lcov --directory . --output-file $(COVERAGE_OUT)/$(PACKAGE).info \
+		--capture
+
+gen-coverage:
+	genhtml --output-directory $(COVERAGE_OUT) \
+		$(COVERAGE_OUT)/$(PACKAGE).info \
+		--highlight --frames --legend \
+		--title "$(PACKAGE_NAME)"
+
+coverage: init-coverage build-coverage gen-coverage
+
+# Update gettext files.
+PACKAGE ?= $(shell basename $(PWD))
+PO_DOMAIN ?= $(PACKAGE)
+POURL = http://translationproject.org/latest/$(PO_DOMAIN)/
+PODIR ?= po
+refresh-po:
+	rm -f $(PODIR)/*.po && \
+	echo "$(ME): getting translations into po (please ignore the robots.txt ERROR 404)..." && \
+	wget --no-verbose --directory-prefix $(PODIR) --no-directories --recursive --level 1 --accept .po --accept .po.1 $(POURL) && \
+	echo 'en@boldquot' > $(PODIR)/LINGUAS && \
+	echo 'en@quot' >> $(PODIR)/LINGUAS && \
+	ls $(PODIR)/*.po | sed 's/\.po//' | sed 's,$(PODIR)/,,' | sort >> $(PODIR)/LINGUAS
+
+INDENT_SOURCES ?= $(C_SOURCES)
+.PHONY: indent
+indent:
+	indent $(INDENT_SOURCES)
+
+# If you want to set UPDATE_COPYRIGHT_* environment variables,
+# put the assignments in this variable.
+update-copyright-env ?=
+
+# Run this rule once per year (usually early in January)
+# to update all FSF copyright year lists in your project.
+# If you have an additional project-specific rule,
+# add it in cfg.mk along with a line 'update-copyright: prereq'.
+# By default, exclude all variants of COPYING; you can also
+# add exemptions (such as ChangeLog..* for rotated change logs)
+# in the file .x-update-copyright.
+.PHONY: update-copyright
+update-copyright:
+	grep -l -w Copyright                                             \
+	  $$(export VC_LIST_EXCEPT_DEFAULT=COPYING && $(VC_LIST_EXCEPT)) \
+	  | $(update-copyright-env) xargs $(build_aux)/$@