skia: Add ANGLE support on Mac

gyp/common_conditions.gypi

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # conditions used in both common.gypi and skia.gyp in chromium
 #
 {
   'defines': [
     'SK_ALLOW_STATIC_GLOBAL_INITIALIZERS=<(skia_static_initializers)',
@@ skipping 445 matching lines @@
           }],
           [ 'skia_keep_frame_pointer', {
             'cflags': [ '-fno-omit-frame-pointer' ],
           }],
         ],
       },
     ],
 
     [ 'skia_os == "mac"',
       {
-        'defines': [ 'SK_BUILD_FOR_MAC' ],
+        'defines': [
+          'SK_BUILD_FOR_MAC',
+          'YY_NO_INPUT', # ANGLE for mac hits -Wunneeded-internal-declaration if this isn't set.

[bsalomon, 2015/10/23 16:18:20]

Is it possible to specify this only for the angle target?

+        ],
         'configurations': {
           'Coverage': {
             'xcode_settings': {
                'GCC_OPTIMIZATION_LEVEL': '0',
                'GCC_GENERATE_TEST_COVERAGE_FILES': 'YES',
                'GCC_INSTRUMENT_PROGRAM_FLOW_ARCS' : 'YES',
             },
           },
           'Debug': {
             'xcode_settings': { 'GCC_OPTIMIZATION_LEVEL': '0' },
@@ skipping 146 matching lines @@
           '-Wl,-rpath,\$$ORIGIN/lib',
       ],
     }],
 
   ], # end 'conditions'
   # The Xcode SYMROOT must be at the root. See build/common.gypi in chromium for more details
   'xcode_settings': {
     'SYMROOT': '<(DEPTH)/xcodebuild',
   },
 }