GN Templates: Move common_config to the template.

webrtc/sdk/BUILD.gn

 # Copyright 2016 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("../build/webrtc.gni")
 import("//build_overrides/webrtc.gni")
 import("//build/config/mac/mac_sdk.gni")
 
 if (is_ios || (is_mac && mac_deployment_target == "10.7")) {
   config("rtc_sdk_common_objc_config") {
     include_dirs = [
       "objc/Framework/Classes",
       "objc/Framework/Headers",
     ]
   }
 
   rtc_source_set("rtc_sdk_common_objc") {
     deps = [
       "../base:rtc_base",
     ]
-    configs += [
-      "..:common_config",
-      "//build/config/compiler:enable_arc",
-    ]
+    configs += [ "//build/config/compiler:enable_arc" ]
     public_configs = [
       "..:common_inherited_config",
       ":rtc_sdk_common_objc_config",
     ]
     sources = [
       "objc/Framework/Classes/NSString+StdString.h",
       "objc/Framework/Classes/NSString+StdString.mm",
       "objc/Framework/Classes/RTCDispatcher.m",
       "objc/Framework/Classes/RTCFieldTrials.mm",
       "objc/Framework/Classes/RTCLogging.mm",
@@ skipping 144 matching lines @@
         "CoreMedia.framework",
         "OpenGL.framework",
       ]
     }
 
     configs += [
       "..:common_objc",
       "//build/config/compiler:enable_arc",
     ]
 
+    # TODO(tkchin): Make rtc_sdk_peerconnection_objc compile with the standard
+    # set of warnings.
+    # See https://bugs.chromium.org/p/webrtc/issues/detail?id=6308
+    suppressed_configs += [ rtc_common_config ]
+
     public_configs = [ ":rtc_sdk_common_objc_config" ]
 
     if (is_clang) {
       # Suppress warnings from the Chromium Clang plugins.
       # See http://code.google.com/p/webrtc/issues/detail?id=163 for details.
       suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
     }
 
     libs += [ "AVFoundation.framework" ]
 
     deps = [
       ":rtc_sdk_common_objc",
       "../api:libjingle_peerconnection",
     ]
 
     if (rtc_build_libyuv) {
       deps += [ "$rtc_libyuv_dir" ]
       public_deps = [
         "$rtc_libyuv_dir",
       ]
     }
   }
 
   # TODO(tkchin): Add the rtc_sdk_framework_objc target.
 }