Parallelize ninja generation when GYP_PARALLEL=1.

pylib/gyp/__init__.py

 #!/usr/bin/env python
 
 # Copyright (c) 2012 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import copy
 import gyp.input
 import optparse
 import os.path
@@ skipping 29 matching lines @@
   files = os.listdir(os.getcwd())
   build_files = []
   for file in files:
     if file.endswith(extension):
       build_files.append(file)
   return build_files
 
 
 def Load(build_files, format, default_variables={},
          includes=[], depth='.', params=None, check=False,
-         circular_check=True, parallel=False):
+         circular_check=True):
   """
   Loads one or more specified build files.
   default_variables and includes will be copied before use.
   Returns the generator for the specified format and the
   data returned by loading the specified build files.
   """
   if params is None:
     params = {}
 
   flavor = None
@@ skipping 58 matching lines @@
     'generator_wants_static_library_dependencies_adjusted':
         getattr(generator,
                 'generator_wants_static_library_dependencies_adjusted', True),
     'generator_wants_sorted_dependencies':
         getattr(generator, 'generator_wants_sorted_dependencies', False),
   }
 
   # Process the input specific to this generator.
   result = gyp.input.Load(build_files, default_variables, includes[:],
                           depth, generator_input_info, check, circular_check,
-                          parallel)
+                          params['parallel'])
   return [generator] + result
 
 def NameValueListToDict(name_value_list):
   """
   Takes an array of strings of the form 'NAME=VALUE' and creates a dictionary
   of the pairs.  If a string is simply NAME, then the value in the dictionary
   is set to True.  If VALUE can be converted to an integer, it is.
   """
   result = { }
   for item in name_value_list:
@@ skipping 341 matching lines @@
 
   # Generate all requested formats (use a set in case we got one format request
   # twice)
   for format in set(options.formats):
     params = {'options': options,
               'build_files': build_files,
               'generator_flags': generator_flags,
               'cwd': os.getcwd(),
               'build_files_arg': build_files_arg,
               'gyp_binary': sys.argv[0],
-              'home_dot_gyp': home_dot_gyp}
+              'home_dot_gyp': home_dot_gyp,
+              'parallel': options.parallel}
 
     # Start with the default variables from the command line.
     [generator, flat_list, targets, data] = Load(build_files, format,
                                                  cmdline_default_variables,
                                                  includes, options.depth,
                                                  params, options.check,
-                                                 options.circular_check,
-                                                 options.parallel)
+                                                 options.circular_check)
 
     # TODO(mark): Pass |data| for now because the generator needs a list of
     # build files that came in.  In the future, maybe it should just accept
     # a list, and not the whole data dict.
     # NOTE: flat_list is the flattened dependency graph specifying the order
     # that targets may be built.  Build systems that operate serially or that
     # need to have dependencies defined before dependents reference them should
     # generate targets in the order specified in flat_list.
     generator.GenerateOutput(flat_list, targets, data, params)
 
@@ skipping 10 matching lines @@
 
 def main(args):
   try:
     return gyp_main(args)
   except GypError, e:
     sys.stderr.write("gyp: %s\n" % e)
     return 1
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))