Cast: IPC glue between cast library transport and encoders.

media/cast/cast_receiver.gyp

 # Copyright 2013 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.
 
 {
   'includes': [
      'audio_receiver/audio_receiver.gypi',
      'video_receiver/video_receiver.gypi',
   ],
   'targets': [
     {
       'target_name': 'cast_receiver',
       'type': 'static_library',
       'include_dirs': [
         '<(DEPTH)/',
         '<(DEPTH)/third_party/',
         '<(DEPTH)/third_party/webrtc/',
       ],
       'sources': [
         'cast_receiver.h',
         'cast_receiver_impl.cc',
         'cast_receiver_impl.h',
       ], # source
       'dependencies': [
         '<(DEPTH)/media/cast/transport/cast_transport.gyp:cast_transport',
         'cast_audio_receiver',
         'cast_video_receiver',
         'rtp_receiver/rtp_receiver.gyp:cast_rtp_receiver',
       ],
+      'defines' : [
+        'MEDIA_IMPLEMENTATION',
+      ],
     },
   ],
 }