Python 3 compatibility

test/make_global_settings/ld/gyptest-make_global_settings_ld.py

 #!/usr/bin/env python
 
 # Copyright (c) 2014 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """
 Verifies 'LD' in make_global_settings.
 """
 
@@ skipping 58 matching lines @@
         ld_expected = '$cc_host'
   if test.format == 'make':
     test.must_contain('Makefile', 'LD.host ?= %s' % ld_expected)
   elif test.format in ['ninja', 'xcode-ninja']:
     test.must_contain('out/Default/build.ninja', 'ld_host = %s' % ld_expected)
   else:
     test.fail_test()
 
 
 test_format = ['ninja']
-if sys.platform in ('linux2', 'darwin'):
+if sys.platform.startswith('linux') or sys.platform == 'darwin':
   test_format += ['make']
 
 test = TestGyp.TestGyp(formats=test_format)
 
 # Check default values
 test.run_gyp('make_global_settings_ld.gyp')
 verify_ld_target(test)
 
 
 # Check default values with GYP_CROSSCOMPILE enabled.
@@ skipping 31 matching lines @@
   test.run_gyp('make_global_settings_ld.gyp')
 if test.format == 'make':
   test.must_not_contain('Makefile', 'my_ld_target2')
   test.must_not_contain('Makefile', 'my_ld_host2')
 elif test.format == 'ninja':
   test.must_not_contain('out/Default/build.ninja', 'my_ld_target2')
   test.must_not_contain('out/Default/build.ninja', 'my_ld_host2')
 
 
 test.pass_test()