Temporarily remove warning about inconsistent overrides

build/standalone.gypi

 # Copyright 2012 the V8 project authors. All rights reserved.
 # 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
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 214 matching lines @@
         ],
         'ldflags': [
           '-fsanitize=thread',
           '-pie',
         ],
         'defines': [
           'THREAD_SANITIZER',
         ],
       },
     }],
+    ['clang==1', {
+      'target_defaults': {
+        # Remove once issue 3753 is fixed.
+        'cflags_cc': [ '-Wno-inconsistent-missing-override',
+                       '-Wno-unknown-warning-option' ],
+       },
+    }],
     ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris" \
        or OS=="netbsd"', {
       'target_defaults': {
         'cflags': [
           '-Wall',
           '<(werror)',
           '-W',
           '-Wno-unused-parameter',
           '-Wno-long-long',
           '-pthread',
           '-fno-exceptions',
           '-pedantic',
           # Don't warn about the "struct foo f = {0};" initialization pattern.
           '-Wno-missing-field-initializers',
         ],
-        'cflags_cc': [ '-Wnon-virtual-dtor', '-fno-rtti', '-std=gnu++0x' ],
+        'cflags_cc': [ '-Wnon-virtual-dtor', '-fno-rtti', '-std=gnu++0x', '-Wnoinconsistent-missing-override' ],

[Michael Achenbach, 2014/12/11 18:26:39]

Guess this part ends up at the gcc command-line and isn't understood.

         'ldflags': [ '-pthread', ],
         'conditions': [
           [ 'visibility=="hidden" and v8_enable_backtrace==0', {
             'cflags': [ '-fvisibility=hidden' ],
           }],
           [ 'component=="shared_library"', {
             'cflags': [ '-fPIC', ],
           }],
         ],
       },
@@ skipping 183 matching lines @@
       ],
     }],
     ['clang==1 and OS=="win"', {
       'make_global_settings': [
         # On Windows, gyp's ninja generator only looks at CC.
         ['CC', '<(make_clang_dir)/bin/clang-cl'],
       ],
     }],
   ],
 }