Re-enable 32-bit linux for nacl sdk, disable for mac tests.

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 352 matching lines @@
   tools_dir = os.path.join(pepperdir, 'tools')
   buildbot_common.MakeDir(tools_dir)
 
   # Add .exe extensions to all windows tools
   for pair in tools_files_x86 + tools_files_x64:
     if platform == 'win' and not os.path.splitext(pair[0])[1]:
       pair[0] += '.exe'
       pair[1] += '.exe'
 
   InstallFiles(GetNinjaOutDir('x64'), tools_dir, tools_files_x64)
-  if platform != 'mac' and platform != 'linux':
+  if platform != 'mac':
     InstallFiles(GetNinjaOutDir('x86'), tools_dir, tools_files_x86)
   if platform == 'linux':
     InstallFiles(GetNinjaOutDir('arm'), tools_dir, tools_files_arm)
 
   stub_dir = os.path.join(SRC_DIR, 'ppapi/native_client/src/untrusted/irt_stub')
   for tc in toolchains:
     if tc in ('host', 'clang-newlib'):
       continue
     elif tc == 'pnacl':
       xarches = ('pnacl', 'x86', 'x64', 'arm')
@@ skipping 16 matching lines @@
 
 
 def GnNinjaBuildAll(rel_out_dir):
   def MakeNinjaRelPath(suffix):
     return os.path.join(os.path.relpath(OUT_DIR, SRC_DIR), rel_out_dir + suffix)
 
   platform = getos.GetPlatform()
 
   GnNinjaBuild('x64', MakeNinjaRelPath('-x64'),
       ['nacl_sdk_untrusted=true'])
-  if platform != 'mac' and platform != 'linux':
+  if platform != 'mac':
     GnNinjaBuild('x86', MakeNinjaRelPath('-x86'))
 
   if platform == 'linux':
     GnNinjaBuild('arm', MakeNinjaRelPath('-arm'))
 
 
 def GetGNExecutable(platform):
   # TODO(sbc): Remove this code, which is duplicated from mb.py and simply
   # rely on the depot_tools gn wrapper which should be in the PATH.
   # http://crbug.com/588794
@@ skipping 452 matching lines @@
       BuildStepArchivePNaClComponent(chrome_revision)
 
   return 0
 
 
 if __name__ == '__main__':
   try:
     sys.exit(main(sys.argv[1:]))
   except KeyboardInterrupt:
     buildbot_common.ErrorExit('build_sdk: interrupted')