Make 'webrtc' target a complete static library on Linux, Android and Windows

webrtc/BUILD.gn

 # Copyright (c) 2014 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.
 
 # TODO(kjellander): Rebase this to webrtc/build/common.gypi changes after r6330.
 
@@ skipping 209 matching lines @@
   libs = [ "Foundation.framework" ]
 }
 
 if (!build_with_chromium) {
   # Target to build all the WebRTC production code.
   rtc_static_library("webrtc") {
     # Only the root target should depend on this.
     visibility = [ "//:default" ]
 
     sources = [
-      # TODO(kjellander): Remove this whenever possible. GN's static_library
-      # target type requires at least one object to avoid errors linking.
-      "no_op_function.cc",
-
       # TODO(ossu): Keep this here until donwstream projects have updated.
       # http://bugs.webrtc.org/6716
       "call.h",
       "config.h",
     ]
 
+    # complete_static_lib doesn't work on Mac since libtool cannot support
+    # multiple objects with the same filenames (https://bugs.webrtc.org/6418).
+    if (is_win || is_linux || is_android) {
+      complete_static_lib = true
+    } else {
+      # TODO(kjellander): Remove this whenever possible. GN's static_library
+      # target type requires at least one object to avoid errors linking.
+      sources += [ "no_op_function.cc" ]
+    }
+
     defines = []
 
     deps = [
       ":webrtc_common",
       "api",
       "api:transport_api",
       "audio",
       "base",
       "call",
       "common_audio",
@@ skipping 247 matching lines @@
       ]
 
       deps = [
         "//base:base_java_test_support",
         "//webrtc/examples:AppRTCMobile_javalib",
         "//webrtc/sdk/android:libjingle_peerconnection_java",
       ]
     }
   }
 }