[NaCl SDK] Remove old/unused gyp defines

native_client_sdk/src/build_tools/build_artifacts.py

 #!/usr/bin/env python
 # Copyright 2014 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.
 
 """Script to build binary components of the SDK.
 
 This script builds binary components of the Native Client SDK, create tarballs
 for them, and uploads them to Google Cloud Storage.
 
@@ skipping 182 matching lines @@
 
 def NinjaBuild(targets, out_dir):
   if type(targets) is not list:
     targets = [targets]
   out_config_dir = os.path.join(out_dir, 'Release')
   buildbot_common.Run(['ninja', '-C', out_config_dir] + targets, cwd=SRC_DIR)
 
 
 def GypNinjaBuild(arch, gyp_py_script, gyp_file, targets, out_dir):
   gyp_env = dict(os.environ)
-  gyp_env['GYP_GENERATORS'] = 'ninja'
-  gyp_defines = ['nacl_allow_thin_archives=0']
+  gyp_defines = []
   if options.mac_sdk:
     gyp_defines.append('mac_sdk=%s' % options.mac_sdk)
   if arch:
     gyp_defines.append('target_arch=%s' % arch)
     if arch == 'arm':
       gyp_env['GYP_CROSSCOMPILE'] = '1'
       if options.no_arm_trusted:
         gyp_defines.append('disable_cross_trusted=1')
-  if PLATFORM == 'mac':
-    gyp_defines.append('clang=1')
 
   gyp_env['GYP_DEFINES'] = ' '.join(gyp_defines)
   generator_flags = ['-G', 'output_dir=%s' % out_dir]
   depth = '--depth=.'
   cmd = [sys.executable, gyp_py_script, gyp_file, depth] + generator_flags
   buildbot_common.Run(cmd, cwd=SRC_DIR, env=gyp_env)
   NinjaBuild(targets, out_dir)
 
 
 def GetToolsFiles():
@@ skipping 321 matching lines @@
   if options.upload:
     UploadArchives()
 
   return 0
 
 if __name__ == '__main__':
   try:
     sys.exit(main(sys.argv[1:]))
   except KeyboardInterrupt:
     buildbot_common.ErrorExit('build_artifacts: interrupted')