fune/configure.py
Mike Hommey 29758f5f42 Bug 1250297 - Make python configure output config.status instead of old-configure doing it. r=gps
The nice side effect is that now we can have actual dicts for defines
and substs from the start, which simplifies so things, although it
requires adjustments to some unit tests.
2016-03-08 15:41:32 +09:00

189 lines
6.6 KiB
Python

# 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 codecs
import glob
import itertools
import json
import os
import subprocess
import sys
import re
import types
base_dir = os.path.abspath(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
ret = subprocess.call([shell, old_configure] + args)
# We don't want to create and run config.status if --help was one of the
# command line arguments.
if ret or '--help' in args:
return ret
raw_config = {}
encoding = 'mbcs' if sys.platform == 'win32' else 'utf-8'
with codecs.open('config.data', 'r', encoding) as fh:
code = compile(fh.read(), 'config.data', 'exec')
# Every variation of the exec() function I tried led to:
# SyntaxError: unqualified exec is not allowed in function 'main' it
# contains a nested function with free variables
exec code in raw_config
# If the code execution above fails, we want to keep the file around for
# debugging.
os.remove('config.data')
# Sanitize config data
config = {}
substs = config['substs'] = {
k[1:-1]: v[1:-1] if isinstance(v, types.StringTypes) else v
for k, v in raw_config['substs']
}
config['defines'] = {
k[1:-1]: v[1:-1]
for k, v in raw_config['defines']
}
config['non_global_defines'] = raw_config['non_global_defines']
config['topsrcdir'] = base_dir
config['topobjdir'] = os.path.abspath(os.getcwd())
# 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.
print("Creating config.status", file=sys.stderr)
with codecs.open('config.status', 'w', encoding) as fh:
fh.write('#!%s\n' % config['substs']['PYTHON'])
fh.write('# coding=%s\n' % encoding)
for k, v in config.iteritems():
fh.write('%s = ' % k)
json.dump(v, fh, sort_keys=True, indent=4, ensure_ascii=False)
fh.write('\n')
fh.write("__all__ = ['topobjdir', 'topsrcdir', 'defines', "
"'non_global_defines', 'substs']")
if not substs.get('BUILDING_JS') or substs.get('JS_STANDALONE'):
fh.write('''
if __name__ == '__main__':
args = dict([(name, globals()[name]) for name in __all__])
from mozbuild.config_status import config_status
config_status(**args)
''')
# Other things than us are going to run this file, so we need to give it
# executable permissions.
os.chmod('config.status', 0755)
if not substs.get('BUILDING_JS') or substs.get('JS_STANDALONE'):
if not substs.get('JS_STANDALONE'):
os.environ['WRITE_MOZINFO'] = '1'
# Until we have access to the virtualenv from this script, execute
# config.status externally, with the virtualenv python.
return subprocess.call([config['substs']['PYTHON'], 'config.status'])
return 0
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))