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101 lines
4.1 KiB
Python
101 lines
4.1 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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# Combined with build/autoconf/config.status.m4, ConfigStatus is an almost
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# drop-in replacement for autoconf 2.13's config.status, with features
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# borrowed from autoconf > 2.5, and additional features.
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from __future__ import print_function
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import logging
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import os
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import sys
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from optparse import OptionParser
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from mach.logging import LoggingManager
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from mozbuild.backend.configenvironment import ConfigEnvironment
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from mozbuild.backend.recursivemake import RecursiveMakeBackend
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from mozbuild.frontend.emitter import TreeMetadataEmitter
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from mozbuild.frontend.reader import BuildReader
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from mozbuild.mozinfo import write_mozinfo
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log_manager = LoggingManager()
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def config_status(topobjdir='.', topsrcdir='.',
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defines=[], non_global_defines=[], substs=[]):
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'''Main function, providing config.status functionality.
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Contrary to config.status, it doesn't use CONFIG_FILES or CONFIG_HEADERS
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variables.
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Without the -n option, this program acts as config.status and considers
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the current directory as the top object directory, even when config.status
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is in a different directory. It will, however, treat the directory
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containing config.status as the top object directory with the -n option.
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The --recheck option, like with the original config.status, runs configure
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again, with the options given in the "ac_configure_args" subst.
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The options to this function are passed when creating the
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ConfigEnvironment. These lists, as well as the actual wrapper script
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around this function, are meant to be generated by configure.
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See build/autoconf/config.status.m4.
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'''
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if 'CONFIG_FILES' in os.environ:
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raise Exception('Using the CONFIG_FILES environment variable is not '
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'supported.')
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if 'CONFIG_HEADERS' in os.environ:
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raise Exception('Using the CONFIG_HEADERS environment variable is not '
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'supported.')
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if not os.path.isabs(topsrcdir):
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raise Exception('topsrcdir must be defined as an absolute directory: '
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'%s' % topsrcdir)
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parser = OptionParser()
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parser.add_option('--recheck', dest='recheck', action='store_true',
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help='update config.status by reconfiguring in the same conditions')
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parser.add_option('-v', '--verbose', dest='verbose', action='store_true',
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help='display verbose output')
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parser.add_option('-n', dest='not_topobjdir', action='store_true',
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help='do not consider current directory as top object directory')
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(options, args) = parser.parse_args()
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# Without -n, the current directory is meant to be the top object directory
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if not options.not_topobjdir:
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topobjdir = os.path.abspath('.')
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env = ConfigEnvironment(topsrcdir, topobjdir, defines=defines,
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non_global_defines=non_global_defines, substs=substs)
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# mozinfo.json only needs written if configure changes and configure always
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# passes this environment variable.
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if 'WRITE_MOZINFO' in os.environ:
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write_mozinfo(os.path.join(topobjdir, 'mozinfo.json'), env, os.environ)
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reader = BuildReader(env)
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emitter = TreeMetadataEmitter(env)
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backend = RecursiveMakeBackend(env)
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# This won't actually do anything because of the magic of generators.
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definitions = emitter.emit(reader.read_topsrcdir())
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if options.recheck:
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# Execute configure from the top object directory
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os.chdir(topobjdir)
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os.execlp('sh', 'sh', '-c', ' '.join([os.path.join(topsrcdir, 'configure'), env.substs['ac_configure_args'], '--no-create', '--no-recursion']))
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log_level = logging.DEBUG if options.verbose else logging.INFO
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log_manager.add_terminal_logging(level=log_level)
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log_manager.enable_unstructured()
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print('Reticulating splines...', file=sys.stderr)
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summary = backend.consume(definitions)
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for line in summary.summaries():
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print(line, file=sys.stderr)
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