Turn off fno-exceptions for SkRawCodec

gyp/codec.gyp

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # GYP file for codec project.
@@ skipping 71 matching lines @@
       'type': 'static_library',
       'dependencies': [
         'core.gyp:*',
         'dng_sdk.gyp:dng_sdk-selector',
         'libjpeg-turbo-selector.gyp:libjpeg-turbo-selector',
         'piex.gyp:piex-selector',
       ],
       'cflags':[
         '-fexceptions',
       ],
+      'cflags!':[
+        '-fno-exceptions',
+      ],
       'include_dirs': [
         '../include/codec',
         '../include/private',
         '../src/codec',
         '../src/core',
       ],
       'sources': [
         '../src/codec/SkRawAdapterCodec.cpp',
         '../src/codec/SkRawCodec.cpp',
       ],
@@ skipping 10 matching lines @@
       ],
       'conditions': [
         ['skia_arch_type == "x86" or skia_arch_type == "arm"', {
           'defines': [
             'qDNGBigEndian=0',
           ],
         }],
         ['skia_os == "ios" or skia_os == "mac"', {
           'xcode_settings': {
             'OTHER_CFLAGS': ['-fexceptions'],
+            'OTHER_CFLAGS!': ['-fno-exceptions'],
             'OTHER_CPLUSPLUSFLAGS': ['-fexceptions'],
+            'OTHER_CPLUSPLUSFLAGS!': ['-fno-exceptions'],
           },
         }],
       ],
     },
   ],
 }