Enable SCTP in libjingle.

third_party/libjingle/libjingle.gyp

 # Copyright (c) 2012 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': [
     '../../build/win_precompile.gypi',
   ],
   'variables': {
     'enabled_libjingle_device_manager%': 0,
     'libjingle_additional_deps%': [],
     'libjingle_peerconnection_additional_deps%': [],
     'libjingle_source%': "source",
     'libpeer_target_type%': 'static_library',
     'libpeer_allocator_shim%': 0,
   },
   'target_defaults': {
     'defines': [
       'EXPAT_RELATIVE_PATH',
       'FEATURE_ENABLE_SSL',
       'GTEST_RELATIVE_PATH',
       'HAVE_SRTP',
       'HAVE_WEBRTC_VIDEO',
       'HAVE_WEBRTC_VOICE',
-      'HAVE_YUV',
       'JSONCPP_RELATIVE_PATH',
       'LOGGING_INSIDE_LIBJINGLE',
       'NO_MAIN_THREAD_WRAPPING',
       'NO_SOUND_SYSTEM',
       'SRTP_RELATIVE_PATH',
       'USE_WEBRTC_DEV_BRANCH',
     ],
     'configurations': {
       'Debug': {
         'defines': [
           # TODO(sergeyu): Fix libjingle to use NDEBUG instead of
           # _DEBUG and remove this define. See below as well.
           '_DEBUG',
         ],
       }
     },
     'include_dirs': [
       './overrides',
       './<(libjingle_source)',
       '../../testing/gtest/include',
       '../../third_party',
       '../../third_party/libyuv/include',
+      '../../third_party/usrsctp',
       '../../third_party/webrtc',
     ],
     'dependencies': [
       '<(DEPTH)/base/base.gyp:base',
       '<(DEPTH)/net/net.gyp:net',
       '<(DEPTH)/third_party/expat/expat.gyp:expat',
     ],
     'export_dependent_settings': [
       '<(DEPTH)/third_party/expat/expat.gyp:expat',
     ],
@@ skipping 703 matching lines @@
             '<(libjingle_source)/talk/session/tunnel/tunnelsessionclient.h',
           ],
           'conditions': [
             ['libpeer_allocator_shim==1 and '
              'libpeer_target_type!="static_library" and OS!="mac"', {
               'sources': [
                 'overrides/allocator_shim/allocator_stub.cc',
                 'overrides/allocator_shim/allocator_stub.h',
               ],
             }],
+            # TODO(mallinath) - Enable SCTP for Android and iOS platforms.
+            ['OS!="android" and OS!="ios"', {
+              'defines' : [
+                'HAVE_SCTP',
+              ],
+              'sources': [
+                '<(libjingle_source)/talk/media/sctp/sctpdataengine.cc',
+                '<(libjingle_source)/talk/media/sctp/sctpdataengine.h',
+              ],
+              'dependencies': [
+                '<(DEPTH)/third_party/usrsctp/usrsctp.gyp:usrsctplib',
+              ],
+            }],
             ['enabled_libjingle_device_manager==1', {
               'sources!': [
                 '<(libjingle_source)/talk/media/devices/dummydevicemanager.cc',
                 '<(libjingle_source)/talk/media/devices/dummydevicemanager.h',
               ],
               'sources': [
                 '<(libjingle_source)/talk/media/devices/devicemanager.cc',
                 '<(libjingle_source)/talk/media/devices/devicemanager.h',
                 '<(libjingle_source)/talk/sound/nullsoundsystem.cc',
                 '<(libjingle_source)/talk/sound/nullsoundsystem.h',
@@ skipping 143 matching lines @@
               # in this directory and not lib.target as will otherwise be
               # the case with make builds.
               'product_dir': '<(PRODUCT_DIR)/lib',
             }],
           ],
         },  # target libpeerconnection
       ],
     }],
   ],
 }