author Dorel Luca <>
Thu, 20 Jun 2019 01:45:02 +0300
changeset 479556 e55b785e5af38c14b920070ceeb610bdc561aa55
parent 475892 198001a673f6ae43eb5edfea4f3a095c1ee5682b
permissions -rw-r--r--
Backed out changeset 4d6ed4f36dc7 (bug 1558135) for Wrench failure

# 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

from __future__ import print_function, unicode_literals

import codecs
import itertools
import logging
import os
import sys
import textwrap

base_dir = os.path.abspath(os.path.dirname(__file__))
sys.path.insert(0, os.path.join(base_dir, 'python', 'mozbuild'))
sys.path.insert(0, os.path.join(base_dir, 'third_party', 'python', 'six'))
from mozbuild.configure import (
from mozbuild.pythonutil import iter_modules_in_path
from mozbuild.backend.configenvironment import PartialConfigEnvironment
from mozbuild.util import (
import mozpack.path as mozpath

def main(argv):
    config = {}

    sandbox = ConfigureSandbox(config, os.environ, argv)

    if os.environ.get('MOZ_CONFIGURE_TRACE'):
        sandbox._logger.setLevel(TRACE), 'moz.configure'))

    if sandbox._help:
        return 0

    return config_status(config)

def config_status(config):
    # Sanitize config data to feed config.status
    # Ideally, all the backend and frontend code would handle the booleans, but
    # there are so many things involved, that it's easier to keep config.status
    # untouched for now.
    def sanitized_bools(v):
        if v is True:
            return '1'
        if v is False:
            return ''
        return v

    sanitized_config = {}
    sanitized_config['substs'] = {
        k: sanitized_bools(v) for k, v in config.iteritems()
        if k not in ('DEFINES', 'non_global_defines', 'TOPSRCDIR', 'TOPOBJDIR',
    sanitized_config['defines'] = {
        k: sanitized_bools(v) for k, v in config['DEFINES'].iteritems()
    sanitized_config['non_global_defines'] = config['non_global_defines']
    sanitized_config['topsrcdir'] = config['TOPSRCDIR']
    sanitized_config['topobjdir'] = config['TOPOBJDIR']
    sanitized_config['mozconfig'] = config.get('MOZCONFIG')

    # Create config.status. Eventually, we'll want to just do the work it does
    # here, when we're able to skip configure tests/use cached results/not rely
    # on autoconf.
    logging.getLogger('moz.configure').info('Creating config.status')
    encoding = 'mbcs' if sys.platform == 'win32' else 'utf-8'
    with'config.status', 'w', encoding) as fh:
            # coding=%(encoding)s
            from __future__ import unicode_literals
            from mozbuild.util import encode
            encoding = '%(encoding)s'
        ''') % {'python': config['PYTHON'], 'encoding': encoding})
        # A lot of the build backend code is currently expecting byte
        # strings and breaks in subtle ways with unicode strings. (bug 1296508)
        for k, v in sanitized_config.iteritems():
            fh.write('%s = encode(%s, encoding)\n' % (k, indented_repr(v)))
        fh.write("__all__ = ['topobjdir', 'topsrcdir', 'defines', "
                 "'non_global_defines', 'substs', 'mozconfig']")

        if config.get('MOZ_BUILD_APP') != 'js' or config.get('JS_STANDALONE'):
                if __name__ == '__main__':
                    from mozbuild.util import patch_main
                    from mozbuild.config_status import config_status
                    args = dict([(name, globals()[name]) for name in __all__])

    partial_config = PartialConfigEnvironment(config['TOPOBJDIR'])

    # Write out a file so the build backend knows to re-run configure when
    # relevant Python changes.
    with open('', 'w') as fh:
        for f in itertools.chain(config['CONFIG_STATUS_DEPS'],
            fh.write('%s\n' % mozpath.normpath(f))

    # Other things than us are going to run this file, so we need to give it
    # executable permissions.
    os.chmod('config.status', 0o755)
    if config.get('MOZ_BUILD_APP') != 'js' or config.get('JS_STANDALONE'):
        from mozbuild.config_status import config_status

        # Some values in sanitized_config also have more complex types, such as
        # EnumString, which using when calling config_status would currently
        # break the build, as well as making it inconsistent with re-running
        # config.status. Fortunately, EnumString derives from unicode, so it's
        # covered by converting unicode strings.

        # A lot of the build backend code is currently expecting byte strings
        # and breaks in subtle ways with unicode strings.
        return config_status(args=[], **encode(sanitized_config, encoding))
    return 0

if __name__ == '__main__':