Disable warnings in harfbuzz/ for Android when not using clang.

third_party/harfbuzz/harfbuzz.gyp

 # 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.
 
 {
   'variables': {
     # Set to 1 to use Harfbuzz-NG instead of Harfbuzz.
     # Under development: http://crbug.com/68551
     'use_harfbuzz_ng%': 0
   },
@@ skipping 42 matching lines @@
           'conditions': [
             ['OS == "android"', {
               'dependencies': [
                 '../../third_party/freetype/freetype.gyp:ft2',
               ],
             }, {  # OS != android
               'dependencies': [
                 '../../build/linux/system.gyp:freetype2',
               ],
             }],
+            ['OS == "android" and clang == 0', {
+              # The Android NDK compilers in the GCC 4.2 and 4.6 toolchains will
+              # show a warning about incompatible pointer signedness, but this
+              # warning cannot be disabled through an individual flag. To stop
+              # showing it, disable all warnings. Coverage is provided through
+              # clang builders, as well as Linux non-clang builders.
+              # TODO(beverloo): Re-enable warnings once the toolchains provide a
+              # way of disabling the specific warning.
+              'cflags_c': [
+                '-w',

[Nico, 2012/08/16 15:06:10]

nit: unless gcc emits this warning only for c files, you might want to use
'cflags', in case some harfbuzz files change from .c to .cpp in the future.

+              ],
+            }],
             ['clang == 1', {
               'xcode_settings': {
                 'WARNING_CFLAGS': [
                   # "harfbuzz is in strict maintenace mode",
                   # see http://crbug.com/113708
                   '-Wno-pointer-sign',
                 ],
               },
               'cflags': [
                 '-Wno-pointer-sign',
@@ skipping 13 matching lines @@
             '../harfbuzz-ng/harfbuzz.gyp:harfbuzz-ng'
           ],
           'export_dependent_settings': [
             '../harfbuzz-ng/harfbuzz.gyp:harfbuzz-ng'
           ],
         }
       ]
     }]
   ]
 }