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#! /usr/bin/perl
# Check out the Autoconf sources and prepare them for building.
# A copy of Automake must already be available in $PATH.
# Takes one optional command line argument, which identifies the
# commit to be checked out (this is passed directly to git clone's
# --branch option: anything acceptable to that option may be used).
# Copyright (C) 2021 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 <https://www.gnu.org/licenses/>.
use v5.14; # implicit use strict, use feature ':5.14'
use warnings FATAL => 'all';
use utf8;
use open qw(:utf8);
use Cwd qw(getcwd);
use FindBin ();
use lib $FindBin::Bin;
use BuildCommon qw(
ensure_C_locale
ensure_empty_stdin
error
run
);
# FIXME these should be either specified on the command line
# or in some kind of config file.
use constant {
AUTOCONF_REPO => 'https://git.savannah.gnu.org/git/autoconf.git',
AUTOCONF_LAST_RELEASE => 'v2.71'
};
sub main {
my @branch;
if (@_ == 0) {
# If we are checking out the default branch, we can use
# --shallow-exclude <most recent release tag> to save some
# bandwidth (as of 2.72a.22-6027, roughly 1.5 MB with this,
# vs 11.5 MBwith just --single-branch). We can't just use
# --depth 1 because then git-version-gen will fail.
@branch = ('--shallow-exclude', AUTOCONF_LAST_RELEASE);
} elsif (@_ == 1) {
# If we are not checking out the default branch, we don't
# know where to cut off the history without breaking
# git-version-gen.
@branch = ('--branch', shift);
} else {
error("usage: $FindBin::Script [commit]");
}
ensure_empty_stdin();
ensure_C_locale();
my $wd = getcwd();
run(qw(git clone --single-branch), @branch, AUTOCONF_REPO, 's-autoconf');
chdir('s-autoconf') or error("cd s-autoconf");
run('./bootstrap', '-v');
chdir('..') or error('cd ..');
mkdir('b-autoconf') or error('mkdir b-autoconf');
chdir('b-autoconf') or error('cd b-autoconf');
run('../s-autoconf/configure', '--prefix='.$wd.'/i-autoconf');
run(qw(make distcheck));
run(qw(make));
run(qw(make install));
}
eval {
main(@ARGV);
exit(0);
};
error("$@");
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