Refactor skia_warnings_as_errors

gyp/jsoncpp.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.
 
 # TODO: This file was copied from the external dependency
 # third_party/externals/jsoncpp-chromium/jsoncpp.gyp , at revision 125399,
 # with directory paths modified to work at this level.
 #
 # It would be better for us to depend on that gypfile within the external
 # dependency, but so far we have been unable to make that work reliably.
 # See https://code.google.com/p/skia/issues/detail?id=1023
 # and https://code.google.com/p/skia/source/detail?r=7115
 
 {
+  'variables': {
+    'skia_warnings_as_errors': 0,
+  },
   'targets': [
     {
       'target_name': 'jsoncpp',
       'type': 'static_library',
       'defines': [
         'JSON_USE_EXCEPTION=0',
       ],
       'sources': [
         '../third_party/externals/jsoncpp/include/json/assertions.h',
         '../third_party/externals/jsoncpp/include/json/autolink.h',
@@ skipping 15 matching lines @@
         '../third_party/externals/jsoncpp/include/',
         '../third_party/externals/jsoncpp/src/lib_json/',
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           '../third_party/externals/jsoncpp-chromium/overrides/include/',
           '../third_party/externals/jsoncpp/include/',
         ],
       },
       'conditions': [
-        [ 'skia_os == "mac"', {
-          'xcode_settings': {
-            'OTHER_CPLUSPLUSFLAGS!': [
-              '-Werror',
-            ]
-          },
-        }],
-        [ 'skia_os == "win"', {
-          'msvs_settings': {
-            'VCCLCompilerTool': {
-              'WarnAsError': 'false',
-            },
-          },
-        }],
         [ 'skia_os == "android"', {
           'cflags!': [
             '-Wall',
-            '-Werror',
-          ],
-        }],
-        ['skia_os in ["linux", "freebsd", "openbsd", "solaris", "nacl"]', {
-          'cflags!': [
-            '-Werror',
           ],
         }],
       ],
     },
   ],
 }
 
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