Support DEVELOPER_DIR in gyp-ninja for mac.

pylib/gyp/xcode_emulation.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.
 
 """
 This module contains classes that help to emulate xcodebuild behavior on top of
 other build systems, such as make and ninja.
 """
 
 import copy
@@ skipping 144 matching lines @@
   _plist_cache = {}
 
   # Populated lazily by GetIOSPostbuilds.  Shared by all XcodeSettings, so
   # cached at class-level for efficiency.
   _codesigning_key_cache = {}
 
   def __init__(self, spec):
     self.spec = spec
 
     self.isIOS = False
+    self.mac_toolchain_dir = None
     self.header_map_path = None
 
     # Per-target 'xcode_settings' are pushed down into configs earlier by gyp.
     # This means self.xcode_settings[config] always contains all settings
     # for that config -- the per-target settings as well. Settings that are
     # the same for all configs are implicitly per-target settings.
     self.xcode_settings = {}
     configs = spec['configurations']
     for configname, config in configs.iteritems():
       self.xcode_settings[configname] = config.get('xcode_settings', {})
@@ skipping 1333 matching lines @@
     # written for bundles:
     'TARGET_BUILD_DIR' : built_products_dir,
     'TEMP_DIR' : '${TMPDIR}',
     'XCODE_VERSION_ACTUAL' : XcodeVersion()[0],
   }
   if xcode_settings.GetPerConfigSetting('SDKROOT', configuration):
     env['SDKROOT'] = xcode_settings._SdkPath(configuration)
   else:
     env['SDKROOT'] = ''
 
+  if xcode_settings.mac_toolchain_dir:
+    env['DEVELOPER_DIR'] = xcode_settings.mac_toolchain_dir
+
   if spec['type'] in (
       'executable', 'static_library', 'shared_library', 'loadable_module'):
     env['EXECUTABLE_NAME'] = xcode_settings.GetExecutableName()
     env['EXECUTABLE_PATH'] = xcode_settings.GetExecutablePath()
     env['FULL_PRODUCT_NAME'] = xcode_settings.GetFullProductName()
     mach_o_type = xcode_settings.GetMachOType()
     if mach_o_type:
       env['MACH_O_TYPE'] = mach_o_type
     env['PRODUCT_TYPE'] = xcode_settings.GetProductType()
   if xcode_settings._IsBundle():
@@ skipping 136 matching lines @@
       if toolset == 'target':
         iphoneos_config_dict['xcode_settings']['SDKROOT'] = 'iphoneos'
   return targets
 
 def CloneConfigurationForDeviceAndEmulator(target_dicts):
   """If |target_dicts| contains any iOS targets, automatically create -iphoneos
   targets for iOS device builds."""
   if _HasIOSTarget(target_dicts):
     return _AddIOSDeviceConfigurations(target_dicts)
   return target_dicts