[NaCl SDK] Cleanup references to old newlib toolchain

native_client_sdk/src/build_tools/build_projects.py

 #!/usr/bin/env python
 # Copyright (c) 2013 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.
 
 import argparse
 import multiprocessing
 import os
 import posixpath
 import sys
@@ skipping 12 matching lines @@
 import getos
 
 
 MAKE = 'nacl_sdk/make_3.99.90-26-gf80222c/make.exe'
 LIB_DICT = {
   'linux': [],
   'mac': [],
   'win': ['x86_32']
 }
 VALID_TOOLCHAINS = [
-  'newlib',
   'clang-newlib',
   'glibc',
   'pnacl',
   'win',
   'linux',
   'mac',
 ]
 
 # Global verbosity setting.
 # If set to True (normally via a command line arg) then build_projects will
@@ skipping 240 matching lines @@
     # We don't want the currently configured NACL_SDK_ROOT to have any effect
     # on the build.
     del os.environ['NACL_SDK_ROOT']
 
   pepper_ver = str(int(build_version.ChromeMajorVersion()))
   pepperdir = os.path.join(OUT_DIR, 'pepper_' + pepper_ver)
 
   if not options.toolchain:
     # Order matters here: the default toolchain for an example's Makefile will
     # be the first toolchain in this list that is available in the example.
-    # e.g. If an example supports newlib and glibc, then the default will be
-    # newlib.
-    options.toolchain = ['pnacl', 'newlib', 'glibc', 'host', 'clang-newlib']
+    # e.g. If an example supports clang-newlib and glibc, then the default will
+    # be clang-newlib.
+    options.toolchain = ['pnacl', 'clang-newlib', 'glibc', 'host']
 
   if 'host' in options.toolchain:
     options.toolchain.remove('host')
     options.toolchain.append(getos.GetPlatform())
     Trace('Adding platform: ' + getos.GetPlatform())
 
   ValidateToolchains(options.toolchain)
 
   filters = {}
   if options.toolchain:
@@ skipping 32 matching lines @@
 
 
 if __name__ == '__main__':
   script_name = os.path.basename(sys.argv[0])
   try:
     sys.exit(main(sys.argv[1:]))
   except parse_dsc.ValidationError as e:
     buildbot_common.ErrorExit('%s: %s' % (script_name, e))
   except KeyboardInterrupt:
     buildbot_common.ErrorExit('%s: interrupted' % script_name)