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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 absolute_import, print_function, unicode_literals
import codecs
import errno
import io
import itertools
import logging
import os
import sys
import textwrap
try:
from collections.abc import Iterable
except ImportError:
from collections import Iterable
base_dir = os.path.abspath(os.path.dirname(__file__))
sys.path.insert(0, os.path.join(base_dir, "python", "mozboot"))
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 (
ConfigureSandbox,
TRACE,
)
from mozbuild.pythonutil import iter_modules_in_path
from mozbuild.backend.configenvironment import PartialConfigEnvironment
from mozbuild.util import write_indented_repr
import mozpack.path as mozpath
import six
def main(argv):
config = {}
if "OLD_CONFIGURE" not in os.environ:
os.environ["OLD_CONFIGURE"] = os.path.join(base_dir, "old-configure")
sandbox = ConfigureSandbox(config, os.environ, argv)
clobber_file = "CLOBBER"
if not os.path.exists(clobber_file):
# Simply touch the file.
with open(clobber_file, "a"):
pass
if os.environ.get("MOZ_CONFIGURE_TRACE"):
sandbox._logger.setLevel(TRACE)
sandbox.run(os.path.join(os.path.dirname(__file__), "moz.configure"))
if sandbox._help:
return 0
logging.getLogger("moz.configure").info("Creating config.status")
old_js_configure_substs = config.pop("OLD_JS_CONFIGURE_SUBSTS", None)
old_js_configure_defines = config.pop("OLD_JS_CONFIGURE_DEFINES", None)
if old_js_configure_substs or old_js_configure_defines:
js_config = config.copy()
pwd = os.getcwd()
try:
try:
os.makedirs("js/src")
except OSError as e:
if e.errno != errno.EEXIST:
raise
os.chdir("js/src")
js_config["OLD_CONFIGURE_SUBSTS"] = old_js_configure_substs
js_config["OLD_CONFIGURE_DEFINES"] = old_js_configure_defines
# The build system frontend expects $objdir/js/src/config.status
# to have $objdir/js/src as topobjdir.
# We want forward slashes on all platforms.
js_config["TOPOBJDIR"] += "/js/src"
config_status(js_config, execute=False)
finally:
os.chdir(pwd)
return config_status(config)
def check_unicode(obj):
"""Recursively check that all strings in the object are unicode strings."""
if isinstance(obj, dict):
result = True
for k, v in six.iteritems(obj):
if not check_unicode(k):
print("%s key is not unicode." % k, file=sys.stderr)
result = False
elif not check_unicode(v):
print("%s value is not unicode." % k, file=sys.stderr)
result = False
return result
if isinstance(obj, bytes):
return False
if isinstance(obj, six.text_type):
return True
if isinstance(obj, Iterable):
return all(check_unicode(o) for o in obj)
return True
def config_status(config, execute=True):
# 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 sanitize_config(v):
if v is True:
return "1"
if v is False:
return ""
# Serialize types that look like lists and tuples as lists.
if not isinstance(v, (bytes, six.text_type, dict)) and isinstance(v, Iterable):
return list(v)
return v
sanitized_config = {}
sanitized_config["substs"] = {
k: sanitize_config(v)
for k, v in six.iteritems(config)
if k
not in (
"DEFINES",
"TOPSRCDIR",
"TOPOBJDIR",
"CONFIG_STATUS_DEPS",
"OLD_CONFIGURE_SUBSTS",
"OLD_CONFIGURE_DEFINES",
)
}
for k, v in config["OLD_CONFIGURE_SUBSTS"]:
sanitized_config["substs"][k] = sanitize_config(v)
sanitized_config["defines"] = {
k: sanitize_config(v) for k, v in six.iteritems(config["DEFINES"])
}
for k, v in config["OLD_CONFIGURE_DEFINES"]:
sanitized_config["defines"][k] = sanitize_config(v)
sanitized_config["topsrcdir"] = config["TOPSRCDIR"]
sanitized_config["topobjdir"] = config["TOPOBJDIR"]
sanitized_config["mozconfig"] = config.get("MOZCONFIG")
if not check_unicode(sanitized_config):
print("Configuration should be all unicode.", file=sys.stderr)
print("Please file a bug for the above.", file=sys.stderr)
sys.exit(1)
# 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, for which they are normalized to plain strings via
# indented_repr. Likewise for non-dict non-string iterables being
# converted to lists.
def normalize(obj):
if isinstance(obj, dict):
return {k: normalize(v) for k, v in six.iteritems(obj)}
if isinstance(obj, six.text_type):
return six.text_type(obj)
if isinstance(obj, Iterable):
return [normalize(o) for o in obj]
return obj
sanitized_config = normalize(sanitized_config)
# 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.
with codecs.open("config.status", "w", "utf-8") as fh:
fh.write(
textwrap.dedent(
"""\
#!%(python)s
# coding=utf-8
from __future__ import unicode_literals
"""
)
% {"python": config["PYTHON3"]}
)
for k, v in sorted(six.iteritems(sanitized_config)):
fh.write("%s = " % k)
write_indented_repr(fh, v)
fh.write(
"__all__ = ['topobjdir', 'topsrcdir', 'defines', " "'substs', 'mozconfig']"
)
if execute:
fh.write(
textwrap.dedent(
"""
if __name__ == '__main__':
from mozbuild.util import patch_main
patch_main()
from mozbuild.config_status import config_status
args = dict([(name, globals()[name]) for name in __all__])
config_status(**args)
"""
)
)
partial_config = PartialConfigEnvironment(config["TOPOBJDIR"])
partial_config.write_vars(sanitized_config)
# Write out a file so the build backend knows to re-run configure when
# relevant Python changes.
with io.open("config_status_deps.in", "w", encoding="utf-8", newline="\n") as fh:
for f in sorted(
itertools.chain(
config["CONFIG_STATUS_DEPS"],
iter_modules_in_path(config["TOPOBJDIR"], config["TOPSRCDIR"]),
)
):
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 execute:
from mozbuild.config_status import config_status
return config_status(args=[], **sanitized_config)
return 0
if __name__ == "__main__":
sys.exit(main(sys.argv))