iLBC: Handle a case of bad input data

webrtc/modules/audio_coding/codecs/ilbc/ilbc.gypi

 # Copyright (c) 2011 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.
 
 {
   'targets': [
     {
       'target_name': 'ilbc',
       'type': 'static_library',
       'dependencies': [
+        '<(webrtc_root)/base/base.gyp:rtc_base_approved',
         '<(webrtc_root)/common_audio/common_audio.gyp:common_audio',
         'audio_encoder_interface',
       ],
       'sources': [
         'abs_quant.c',
         'abs_quant_loop.c',
         'audio_decoder_ilbc.cc',
         'audio_decoder_ilbc.h',
         'audio_encoder_ilbc.cc',
         'audio_encoder_ilbc.h',
@@ skipping 140 matching lines @@
   'conditions': [
     ['include_tests==1', {
       'targets': [
         {
           'target_name': 'ilbc_test',
           'type': 'executable',
           'dependencies': [
             'ilbc',
           ],
           'sources': [
+            # The empty .cc file is a hack to get GYP to use the C++
+            # linker even though all sources here are .c files; this
+            # is necessary because we transitively depend on
+            # rtc_base_approved, which calls the C++ standard library.
+            'test/empty.cc',
             'test/iLBC_test.c',
           ],
         }, # ilbc_test
       ], # targets
     }], # include_tests
   ], # conditions
 }