Adds tls_edit utility which patches irt_core.nexe's TLS usage.

site_scons/site_tools/component_builders.py

 #!/usr/bin/python2.4
 # Copyright (c) 2011 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
@@ skipping 481 matching lines @@
   # always linked in by the toolchain, i.e. startup files and -lc and such.
   if 'IMPLICIT_LIBS' in env:
     env.Depends(out_nodes, env['IMPLICIT_LIBS'])
 
   # Publish output
   env.Publish(prog_name, 'run', out_nodes[0])
   env.Publish(prog_name, 'debug', out_nodes[1:])
 
   # Add an alias to build the program to the right groups
   a = env.Alias(prog_name, out_nodes)
-  for group in env['COMPONENT_PROGRAM_GROUPS']:
-    SCons.Script.Alias(group, a)
+  env.ComponentProgramAlias(a)
 
   # Store list of components for this program
   env._StoreComponents(prog_name)
 
   # Let component_targets know this target is available in the current mode
   env.SetTargetProperty(prog_name, TARGET_PATH=out_nodes[0])
 
   # Set up deferred call to replicate resources
   env.Defer(ComponentProgramDeferred)
 
   # Return the executable
   return out_nodes[0]
 
+def ComponentProgramAlias(self, program):
+  for group in self['COMPONENT_PROGRAM_GROUPS']:
+    SCons.Script.Alias(group, program)
+
 #------------------------------------------------------------------------------
 
 
 def ComponentTestOutput(self, test_name, nodes, **kwargs):
   """Pseudo-builder for test output.
 
   Args:
     self: Environment in which we were called.
     test_name: Test name.
     nodes: List of files/Nodes output by the test.
@@ skipping 105 matching lines @@
   # Defer per-environment initialization, but do before building SConscripts
   env.Defer(_InitializeComponentBuilders)
   env.Defer('BuildEnvironmentSConscripts', after=_InitializeComponentBuilders)
 
   # Add our pseudo-builder methods
   env.AddMethod(_StoreComponents)
   env.AddMethod(ComponentPackage)
   env.AddMethod(ComponentObject)
   env.AddMethod(ComponentLibrary)
   env.AddMethod(ComponentProgram)
+  env.AddMethod(ComponentProgramAlias)
   env.AddMethod(ComponentTestProgram)
   env.AddMethod(ComponentTestOutput)
 
   # Add our target groups
   AddTargetGroup('all_libraries', 'libraries can be built')
   AddTargetGroup('all_programs', 'programs can be built')
   AddTargetGroup('all_test_programs', 'tests can be built')
   AddTargetGroup('all_packages', 'packages can be built')
   AddTargetGroup('run_all_tests', 'tests can be run')
   AddTargetGroup('run_disabled_tests', 'tests are disabled')
   AddTargetGroup('run_small_tests', 'small tests can be run')
   AddTargetGroup('run_medium_tests', 'medium tests can be run')
   AddTargetGroup('run_large_tests', 'large tests can be run')