diff --git a/build-aux/gitlog-to-changelog b/build-aux/gitlog-to-changelog
deleted file mode 100755
index 5cf071f6..00000000
--- a/build-aux/gitlog-to-changelog
+++ /dev/null
@@ -1,375 +0,0 @@
-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 = '2012-01-24 15:58 (wk)'; # 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) 2008-2012 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 .
-
-# Written by Jim Meyering
-# Custom bugs bred by Werner Koch
-
-use strict;
-use warnings;
-use Getopt::Long;
-use POSIX qw(strftime);
-
-(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 < ChangeLog
- $ME -- -n 5 foo > last-5-commits-to-branch-foo
-
-In a FILE specified via --amend, comment lines (starting with "#") are ignored.
-FILE must consist of pairs where SHA is a 40-byte SHA1 (alone on
-a line) referring to a commit in the current project, and CODE refers to one
-or more consecutive lines of Perl code. Pairs must be separated by one or
-more blank line.
-
-Here is sample input for use with --amend=FILE, from coreutils:
-
-3a169f4c5d9159283548178668d2fae6fced3030
-# fix typo in title:
-s/all tile types/all file types/
-
-1379ed974f1fa39b12e2ffab18b3f7a607082202
-# Due to a bug in vc-dwim, I mis-attributed a patch by Paul to myself.
-# Change the author to be Paul. Note the escaped "@":
-s,Jim .*>,Paul Eggert ,
-
-EOF
- }
- exit $exit_code;
-}
-
-# If the string $S is a well-behaved file name, simply return it.
-# If it contains white space, quotes, etc., quote it, and return the new string.
-sub shell_quote($)
-{
- my ($s) = @_;
- if ($s =~ m![^\w+/.,-]!)
- {
- # Convert each single quote to '\''
- $s =~ s/\'/\'\\\'\'/g;
- # Then single quote the string.
- $s = "'$s'";
- }
- return $s;
-}
-
-sub quoted_cmd(@)
-{
- return join (' ', map {shell_quote $_} @_);
-}
-
-# Parse file F.
-# Comment lines (starting with "#") are ignored.
-# F must consist of pairs where SHA is a 40-byte SHA1
-# (alone on a line) referring to a commit in the current project, and
-# CODE refers to one or more consecutive lines of Perl code.
-# Pairs must be separated by one or more blank line.
-sub parse_amend_file($)
-{
- my ($f) = @_;
-
- open F, '<', $f
- or die "$ME: $f: failed to open for reading: $!\n";
-
- my $fail;
- my $h = {};
- my $in_code = 0;
- my $sha;
- while (defined (my $line = ))
- {
- $line =~ /^\#/
- and next;
- chomp $line;
- $line eq ''
- and $in_code = 0, next;
-
- if (!$in_code)
- {
- $line =~ /^([0-9a-fA-F]{40})$/
- or (warn "$ME: $f:$.: invalid line; expected an SHA1\n"),
- $fail = 1, next;
- $sha = lc $1;
- $in_code = 1;
- exists $h->{$sha}
- and (warn "$ME: $f:$.: duplicate SHA1\n"),
- $fail = 1, next;
- }
- else
- {
- $h->{$sha} ||= '';
- $h->{$sha} .= "$line\n";
- }
- }
- close F;
-
- $fail
- and exit 1;
-
- return $h;
-}
-
-{
- my $since_date;
- my $format_string = '%s%n%b%n';
- my $amend_file;
- my $append_dot = 0;
- my $tear_off = 0;
- GetOptions
- (
- help => sub { usage 0 },
- version => sub { print "$ME version $VERSION\n"; exit },
- 'since=s' => \$since_date,
- 'format=s' => \$format_string,
- 'amend=s' => \$amend_file,
- 'append-dot' => \$append_dot,
- 'tear-off' => \$tear_off,
- ) or usage 1;
-
-
- defined $since_date
- and unshift @ARGV, "--since=$since_date";
-
- # This is a hash that maps an SHA1 to perl code (i.e., s/old/new/)
- # that makes a correction in the log or attribution of that commit.
- my $amend_code = defined $amend_file ? parse_amend_file $amend_file : {};
-
- my @cmd = (qw (git log --log-size),
- '--pretty=format:%H:%ct %an <%ae>%n%n'.$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");
-
- my $prev_date_line = '';
- my @prev_coauthors = ();
-
- while (1)
- {
- defined (my $in = )
- or last;
- $in =~ /^log size (\d+)$/
- or die "$ME:$.: Invalid line (expected log size):\n$in";
- my $log_nbytes = $1;
-
- my $log;
- my $n_read = read PIPE, $log, $log_nbytes;
- $n_read == $log_nbytes
- or die "$ME:$.: unexpected EOF\n";
-
- # Skip log entries with the default merge commit message.
- $log =~ /^.*\n\nMerge branch '.*\n\s*/
- and goto SKIPCOMMIT;
-
- # Skip log entries if the body starts with a tear off marker.
- if ($tear_off)
- {
- $log =~ /^.*\n\n.*\n--\s*/
- and goto SKIPCOMMIT;
- }
-
- # Extract leading hash.
- my ($sha, $rest) = split ':', $log, 2;
- defined $sha
- or die "$ME:$.: malformed log entry\n";
- $sha =~ /^[0-9a-fA-F]{40}$/
- or die "$ME:$.: invalid SHA1: $sha\n";
-
- # If this commit's log requires any transformation, do it now.
- my $code = $amend_code->{$sha};
- if (defined $code)
- {
- eval 'use Safe';
- my $s = new Safe;
- # Put the unpreprocessed entry into "$_".
- $_ = $rest;
-
- # Let $code operate on it, safely.
- my $r = $s->reval("$code")
- or die "$ME:$.:$sha: failed to eval \"$code\":\n$@\n";
-
- # Note that we've used this entry.
- delete $amend_code->{$sha};
-
- # Update $rest upon success.
- $rest = $_;
- }
-
- my @line = split "\n", $rest;
- my $author_line = shift @line;
- defined $author_line
- or die "$ME:$.: unexpected EOF\n";
- $author_line =~ /^(\d+) (.*>)$/
- or die "$ME:$.: Invalid line "
- . "(expected date/author/email):\n$author_line\n";
-
- my $date_line = sprintf "%s $2\n", strftime ("%F", localtime ($1));
-
- # Format 'Co-authored-by: A U Thor ' lines in
- # standard multi-author ChangeLog format.
- my @coauthors = grep /^Co-authored-by:.*$/, @line;
- for (@coauthors)
- {
- s/^Co-authored-by:\s*/\t /;
- s/\s*/
- or warn "$ME: warning: missing email address for "
- . substr ($_, 5) . "\n";
- }
-
- # If this header would be the same as the previous date/name/email/
- # coauthors header, then arrange not to print it.
- if ($date_line ne $prev_date_line or "@coauthors" ne "@prev_coauthors")
- {
- $prev_date_line eq ''
- or print "\n";
- print $date_line;
- @coauthors
- and print join ("\n", @coauthors), "\n";
- }
- $prev_date_line = $date_line;
- @prev_coauthors = @coauthors;
-
- # Omit "Co-authored-by..." and "Signed-off-by..." lines.
- @line = grep !/^Signed-off-by: .*>$/, @line;
- @line = grep !/^Co-authored-by: /, @line;
-
- # Remove everything after a line with 2 dashes at the beginning.
- if ($tear_off)
- {
- my @tmpline;
- foreach (@line)
- {
- last if /^--\s*$/;
- push @tmpline,$_;
- }
- @line = @tmpline;
- }
-
- # Remove leading and trailing blank lines.
- if (@line)
- {
- while ($line[0] =~ /^\s*$/) { shift @line; }
- while ($line[$#line] =~ /^\s*$/) { pop @line; }
- }
-
- # If there were any lines
- if (@line == 0)
- {
- warn "$ME: warning: empty commit message:\n $date_line\n";
- }
- else
- {
- if ($append_dot)
- {
- # If the first line of the message has enough room, then
- if (length $line[0] < 72)
- {
- # append a dot if there is no other punctuation or blank
- # at the end.
- $line[0] =~ /[[:punct:]\s]$/
- or $line[0] .= '.';
- }
- }
-
- # Prefix each non-empty line with a TAB.
- @line = map { length $_ ? "\t$_" : '' } @line;
-
- print "\n", join ("\n", @line), "\n";
- }
-
- SKIPCOMMIT:
- defined ($in = )
- or last;
- $in ne "\n"
- and die "$ME:$.: unexpected line:\n$in";
- }
-
- close PIPE
- or die "$ME: error closing pipe from " . quoted_cmd (@cmd) . "\n";
- # FIXME-someday: include $PROCESS_STATUS in the diagnostic
-
- # Complain about any unused entry in the --amend=F specified file.
- my $fail = 0;
- foreach my $sha (keys %$amend_code)
- {
- warn "$ME:$amend_file: unused entry: $sha\n";
- $fail = 1;
- }
-
- exit $fail;
-}
-
-# 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 (wk)"
-# time-stamp-time-zone: "UTC"
-# time-stamp-end: "'; # UTC"
-# End:
diff --git a/configure.ac b/configure.ac
index 6ba74c38..9c4d3331 100644
--- a/configure.ac
+++ b/configure.ac
@@ -95,8 +95,9 @@ AH_VERBATIM([_REENTRANT],
AC_PROG_CC
AC_PROG_CXX
-AC_CHECK_PROGS(GITLOG_TO_CHANGELOG, gitlog-to-changelog,
- [build-aux/gitlog-to-changelog])
+
+# Note: A suitable gitlog-to-changelog script can be found in GnuPG master.
+AC_CHECK_PROGS(GITLOG_TO_CHANGELOG, gitlog-to-changelog, [gitlog-to-changelog])
AC_SUBST(LIBGPGME_LT_CURRENT)
AC_SUBST(LIBGPGME_LT_AGE)