1 files changed, 107 insertions, 0 deletions
diff --git a/configure.py b/configure.py
new file mode 100644
index 000000000..f7392d0ff
--- /dev/null
+++ b/configure.py
@@ -0,0 +1,107 @@
+# 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 os
+import subprocess
+import sys
+import textwrap
+
+
+base_dir = os.path.abspath(os.path.dirname(__file__))
+sys.path.insert(0, os.path.join(base_dir, 'python', 'mozbuild'))
+from mozbuild.configure import ConfigureSandbox
+from mozbuild.util import (
+    indented_repr,
+    encode,
+)
+
+
+def main(argv):
+    config = {}
+    sandbox = ConfigureSandbox(config, os.environ, argv)
+    sandbox.run(os.path.join(os.path.dirname(__file__), '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.
+    print("Creating config.status", file=sys.stderr)
+    encoding = 'mbcs' if sys.platform == 'win32' else 'utf-8'
+    with codecs.open('config.status', 'w', encoding) as fh:
+        fh.write(textwrap.dedent('''\
+            #!%(python)s
+            # 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'):
+            fh.write(textwrap.dedent('''
+                if __name__ == '__main__':
+                    from mozbuild.config_status import config_status
+                    args = dict([(name, globals()[name]) for name in __all__])
+                    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', 0o755)
+    if config.get('MOZ_BUILD_APP') != 'js' or config.get('JS_STANDALONE'):
+        os.environ[b'WRITE_MOZINFO'] = b'1'
+        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__':
+    sys.exit(main(sys.argv))