Add support for building targets directly from gyp.

pylib/gyp/generator/xcode.py

 # 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 filecmp
 import gyp.common
 import gyp.xcodeproj_file
 import errno
 import os
 import sys
@@ skipping 569 matching lines @@
 
 
 def EscapeXCodeArgument(s):
   """We must escape the arguments that we give to XCode so that it knows not to
      split on spaces and to respect backslash and quote literals."""
   s = s.replace('\\', '\\\\')
   s = s.replace('"', '\\"')
   return '"' + s + '"'
 
 
+
+def PerformBuild(data, configurations, params):
+  options = params['options']
+
+  for build_file, build_file_dict in data.iteritems():
+    (build_file_root, build_file_ext) = os.path.splitext(build_file)
+    if build_file_ext != '.gyp':
+      continue
+    xcodeproj_path = build_file_root + options.suffix + '.xcodeproj'
+    if options.generator_output:
+      xcodeproj_path = os.path.join(options.generator_output, xcodeproj_path)
+
+  for config in configurations:
+    arguments = ['xcodebuild', '-project', xcodeproj_path]
+    arguments += ['-configuration', config]
+    print "Building [%s]: %s" % (config, arguments)
+    subprocess.check_call(arguments)
+
+
 def GenerateOutput(target_list, target_dicts, data, params):
   options = params['options']
   generator_flags = params.get('generator_flags', {})
   parallel_builds = generator_flags.get('xcode_parallel_builds', True)
   serialize_all_tests = \
       generator_flags.get('xcode_serialize_all_test_runs', True)
   project_version = generator_flags.get('xcode_project_version', None)
   skip_excluded_files = \
       not generator_flags.get('xcode_list_excluded_files', True)
   xcode_projects = {}
@@ skipping 602 matching lines @@
 
   for build_file in build_files:
     xcode_projects[build_file].Finalize1(xcode_targets, serialize_all_tests)
 
   for build_file in build_files:
     xcode_projects[build_file].Finalize2(xcode_targets,
                                          xcode_target_to_target_dict)
 
   for build_file in build_files:
     xcode_projects[build_file].Write()