mac ninja&make: Expose SDKROOT to the environment.

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 gyp.common
@@ skipping 921 matching lines @@
     'CONFIGURATION' : configuration,
     'PRODUCT_NAME' : xcode_settings.GetProductName(),
     # See /Developer/Platforms/MacOSX.platform/Developer/Library/Xcode/Specifications/MacOSX\ Product\ Types.xcspec for FULL_PRODUCT_NAME
     'SRCROOT' : srcroot,
     'SOURCE_ROOT': '${SRCROOT}',
     # This is not true for static libraries, but currently the env is only
     # written for bundles:
     'TARGET_BUILD_DIR' : built_products_dir,
     'TEMP_DIR' : '${TMPDIR}',
   }
+  if xcode_settings.GetPerTargetSetting('SDKROOT'):
+    env['SDKROOT'] = xcode_settings._SdkPath()
+  else:
+    env['SDKROOT'] = ''
+
   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 99 matching lines @@
 def GetSpecPostbuildCommands(spec, quiet=False):
   """Returns the list of postbuilds explicitly defined on |spec|, in a form
   executable by a shell."""
   postbuilds = []
   for postbuild in spec.get('postbuilds', []):
     if not quiet:
       postbuilds.append('echo POSTBUILD\\(%s\\) %s' % (
             spec['target_name'], postbuild['postbuild_name']))
     postbuilds.append(gyp.common.EncodePOSIXShellList(postbuild['action']))
   return postbuilds