Split the PNaCl IRT shim into 3 pieces, and include one piece into IRT.

native_client_sdk/src/build_tools/build_sdk.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """Entry point for both build and try bots.
 
 This script is invoked from XXX, usually without arguments
 to package an SDK. It automatically determines whether
 this SDK is for mac, win, linux.
@@ skipping 509 matching lines @@
 
 def GypNinjaBuild_Pnacl(rel_out_dir, target_arch):
   # TODO(binji): This will build the pnacl_irt_shim twice; once as part of the
   # Chromium build, and once here. When we move more of the SDK build process
   # to gyp, we can remove this.
   gyp_py = os.path.join(SRC_DIR, 'build', 'gyp_chromium')
 
   out_dir = MakeNinjaRelPath(rel_out_dir)
   gyp_file = os.path.join(SRC_DIR, 'ppapi', 'native_client', 'src',
                           'untrusted', 'pnacl_irt_shim', 'pnacl_irt_shim.gyp')
-  targets = ['pnacl_irt_shim']
+  targets = ['pnacl_irt_shim_aot']
   GypNinjaBuild(target_arch, gyp_py, gyp_file, targets, out_dir, False)
 
 
 def GypNinjaBuild(arch, gyp_py_script, gyp_file, targets,
                   out_dir, force_arm_gcc=True):
   gyp_env = dict(os.environ)
   gyp_env['GYP_GENERATORS'] = 'ninja'
   gyp_defines = []
   if options.mac_sdk:
     gyp_defines.append('mac_sdk=%s' % options.mac_sdk)
@@ skipping 460 matching lines @@
     BuildStepArchiveSDKTools()
 
   return 0
 
 
 if __name__ == '__main__':
   try:
     sys.exit(main(sys.argv))
   except KeyboardInterrupt:
     buildbot_common.ErrorExit('build_sdk: interrupted')