gecko/configure.py

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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from __future__ import print_function, unicode_literals
import glob
import itertools
import os
import subprocess
import sys
import re
base_dir = os.path.dirname(__file__)
sys.path.append(os.path.join(base_dir, 'python', 'which'))
sys.path.append(os.path.join(base_dir, 'python', 'mozbuild'))
from which import which, WhichError
from mozbuild.mozconfig import MozconfigLoader
# If feel dirty replicating this from python/mozbuild/mozbuild/mozconfig.py,
# but the end goal being that the configure script would go away...
shell = 'sh'
if 'MOZILLABUILD' in os.environ:
shell = os.environ['MOZILLABUILD'] + '/msys/bin/sh'
if sys.platform == 'win32':
shell = shell + '.exe'
def is_absolute_or_relative(path):
if os.altsep and os.altsep in path:
return True
return os.sep in path
def find_program(file):
if is_absolute_or_relative(file):
return os.path.abspath(file) if os.path.isfile(file) else None
try:
return which(file)
except WhichError:
return None
def autoconf_refresh(configure):
if os.path.exists(configure):
mtime = os.path.getmtime(configure)
aclocal = os.path.join(base_dir, 'build', 'autoconf', '*.m4')
for input in itertools.chain(
(configure + '.in',
os.path.join(os.path.dirname(configure), 'aclocal.m4')),
glob.iglob(aclocal),
):
if os.path.getmtime(input) > mtime:
break
else:
return
mozconfig_autoconf = None
configure_dir = os.path.dirname(configure)
# Don't read the mozconfig for the js configure (yay backwards
# compatibility)
if not configure_dir.replace(os.sep, '/').endswith('/js/src'):
loader = MozconfigLoader(os.path.dirname(configure))
project = os.environ.get('MOZ_CURRENT_PROJECT')
mozconfig = loader.find_mozconfig(env=os.environ)
mozconfig = loader.read_mozconfig(mozconfig, moz_build_app=project)
make_extra = mozconfig['make_extra']
if make_extra:
for assignment in make_extra:
m = re.match('(?:export\s+)?AUTOCONF\s*:?=\s*(.+)$',
assignment)
if m:
mozconfig_autoconf = m.group(1)
for ac in (mozconfig_autoconf, os.environ.get('AUTOCONF'), 'autoconf-2.13',
'autoconf2.13', 'autoconf213'):
if ac:
autoconf = find_program(ac)
if autoconf:
break
else:
fink = find_program('fink')
if fink:
autoconf = os.path.normpath(os.path.join(
fink, '..', '..', 'lib', 'autoconf2.13', 'bin', 'autoconf'))
if not autoconf:
raise RuntimeError('Could not find autoconf 2.13')
# Add or adjust AUTOCONF for subprocesses, especially the js/src configure
os.environ['AUTOCONF'] = autoconf
print('Refreshing %s with %s' % (configure, autoconf), file=sys.stderr)
with open(configure, 'wb') as fh:
subprocess.check_call([
shell, autoconf, '--localdir=%s' % os.path.dirname(configure),
configure + '.in'], stdout=fh)
def main(args):
old_configure = os.environ.get('OLD_CONFIGURE')
if not old_configure:
raise Exception('The OLD_CONFIGURE environment variable must be set')
# We need to replace backslashes with forward slashes on Windows because
# this path actually ends up literally as $0, which breaks autoconf's
# detection of the source directory.
old_configure = os.path.abspath(old_configure).replace(os.sep, '/')
try:
autoconf_refresh(old_configure)
except RuntimeError as e:
print(e.message, file=sys.stderr)
return 1
return subprocess.call([shell, old_configure] + args)
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))