[Mac] remove -parallelizeTargets since causes xcode to sometimes build an inv...

scripts/slave/compile.py

 #!/usr/bin/python
 # Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """A tool to build chrome, executed by buildbot.
 
   When this is run, the current directory (cwd) should be the outer build
   directory (e.g., chrome-release/build/).
 
@@ skipping 38 matching lines @@
   # TODO(mmoss) Support the old 'args' usage until we're confident the master is
   # switched to passing '--solution' everywhere.
   if not '-project' in args:
     # TODO(mmoss) Temporary hack to ignore the Windows --solution flag that is
     # passed to all builders. This can be taken out once the master scripts are
     # updated to only pass platform-appropriate --solution values.
     if not options.solution or os.path.splitext(options.solution)[1] != '.xcodeproj':
       options.solution = 'all.xcodeproj'
     command.extend(['-project', options.solution])
 
-  # With the 3.2.x toolchain, it seems xcodebuild doesn't honor the project's
-  # BuildIndependentTargetsInParallel setting (the IDE does).  Work around this
-  # by directly adding the command line argument to force parallel target
-  # building. (radr://8150925)
-  command.extend(['-parallelizeTargets'])
-
   # Most of the bot hostnames are in the pattern of "base####.subnet.domain".
   # To use the "base" and "subnet" to pull a list of distccd servers to use the
   # that bot.  That way, the files can easily be tweaked to affect all of the
   # bots in a given location. 10.5 and 10.6 get different Xcode versions with
   # slightly different versions of gcc and the SDKs, so we need a different set
   # of hosts for each toolchain.
   uname_tuple = os.uname()
   full_hostname = uname_tuple[1]
   os_revision = uname_tuple[2]
   split_full_hostname = full_hostname.split('.', 2)
@@ skipping 374 matching lines @@
         'scons' : main_scons,
         'xcode' : main_xcode,
         'scons_v8' : main_scons_v8,
     }
     main = build_tool_map.get(options.build_tool)
     if not main:
       sys.stderr.write('Unknown build tool %s.\n' % repr(options.build_tool))
       sys.exit(2)
 
   sys.exit(main(options, args))