Fix: xcode-ninja should copy the product extension to the wrapper project

pylib/gyp/xcode_ninja.py

 # Copyright (c) 2014 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.
 
 """Xcode-ninja wrapper project file generator.
 
 This updates the data structures passed to the Xcode gyp generator to build
 with ninja instead. The Xcode project itself is transformed into a list of
 executable targets, each with a build step to build with ninja, and a target
 with every source and resource file.  This appears to sidestep some of the
@@ skipping 49 matching lines @@
   jobs = 0
   if params:
     options = params['options']
     ninja_toplevel = \
         os.path.join(options.toplevel_dir,
                      gyp.generator.ninja.ComputeOutputDir(params))
     jobs = params.get('generator_flags', {}).get('xcode_ninja_jobs', 0)
 
   target_name = old_spec.get('target_name')
   product_name = old_spec.get('product_name', target_name)
+  product_extension = old_spec.get('product_extension')
 
   ninja_target = {}
   ninja_target['target_name'] = target_name
   ninja_target['product_name'] = product_name
+  if product_extension:
+    ninja_target['product_extension'] = product_extension
   ninja_target['toolset'] = old_spec.get('toolset')
   ninja_target['default_configuration'] = old_spec.get('default_configuration')
   ninja_target['configurations'] = {}
 
   # Tell Xcode to look in |ninja_toplevel| for build products.
   new_xcode_settings = {}
   if ninja_toplevel:
     new_xcode_settings['CONFIGURATION_BUILD_DIR'] = \
         "%s/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)" % ninja_toplevel
 
@@ skipping 169 matching lines @@
   new_data[sources_gyp] = {}
   new_data[sources_gyp]['targets'] = []
   new_data[sources_gyp]['included_files'] = []
   new_data[sources_gyp]['xcode_settings'] = \
       data[orig_gyp].get('xcode_settings', {})
   new_data[sources_gyp]['targets'].append(new_data_target)
 
   # Write workspace to file.
   _WriteWorkspace(main_gyp, sources_gyp, params)
   return (new_target_list, new_target_dicts, new_data)