Build WebRTC with data channel only.

webrtc/pc/BUILD.gn

 # Copyright (c) 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("../webrtc.gni")
 if (is_android) {
@@ skipping 129 matching lines @@
   if (!build_with_chromium && is_clang) {
     # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
     suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
   }
 
   deps = [
     ":rtc_pc",
     "../api:call_api",
     "../api:rtc_stats_api",
     "../api/video_codecs:video_codecs_api",
-    "../call",
     "../media",
     "../stats",
   ]
 
+  if (rtc_enable_media) {
+    deps += [ "../call" ]
+  }
+
   public_deps = [
     "../api:libjingle_peerconnection_api",
   ]
 
   if (rtc_use_quic) {
     sources += [
       "quicdatachannel.cc",
       "quicdatachannel.h",
       "quicdatatransport.cc",
       "quicdatatransport.h",
@@ skipping 110 matching lines @@
     if (!is_win) {
       cflags = [ "-Wno-sign-compare" ]
     }
   }
 
   rtc_test("peerconnection_unittests") {
     check_includes = false  # TODO(kjellander): Remove (bugs.webrtc.org/6828)
     testonly = true
     sources = [
       "datachannel_unittest.cc",
-      "dtmfsender_unittest.cc",
-      "fakemediacontroller.h",
       "iceserverparsing_unittest.cc",
       "jsepsessiondescription_unittest.cc",
-      "localaudiosource_unittest.cc",
-      "mediaconstraintsinterface_unittest.cc",
-      "mediastream_unittest.cc",
       "peerconnection_integrationtest.cc",
-      "peerconnectionendtoend_unittest.cc",
-      "peerconnectionfactory_unittest.cc",
-      "peerconnectioninterface_unittest.cc",
-      "proxy_unittest.cc",
-      "rtcstats_integrationtest.cc",
-      "rtcstatscollector_unittest.cc",
-      "rtpsenderreceiver_unittest.cc",
-      "sctputils_unittest.cc",
-      "statscollector_unittest.cc",
-      "test/fakeaudiocapturemodule_unittest.cc",
-      "test/testsdpstrings.h",
-      "trackmediainfomap_unittest.cc",
-      "videocapturertracksource_unittest.cc",
-      "videotrack_unittest.cc",
-      "webrtcsdp_unittest.cc",
-      "webrtcsession_unittest.cc",
     ]
 
+    if (rtc_enable_media) {
+      sources += [
+        "dtmfsender_unittest.cc",
+        "fakemediacontroller.h",
+        "localaudiosource_unittest.cc",
+        "mediaconstraintsinterface_unittest.cc",
+        "mediastream_unittest.cc",
+        "peerconnectionendtoend_unittest.cc",
+        "peerconnectionfactory_unittest.cc",
+        "peerconnectioninterface_unittest.cc",
+        "proxy_unittest.cc",
+        "rtcstats_integrationtest.cc",
+        "rtcstatscollector_unittest.cc",
+        "rtpsenderreceiver_unittest.cc",
+        "sctputils_unittest.cc",

[Taylor Brandstetter, 2017/05/03 22:50:57]

Does sctputils_unittest.cc need to be here?

[Zhi Huang, 2017/05/04 01:08:03]

No, it doesn't. Actually, if we want to avoid the duplication of build targets,
these unittests targets don't have to be changed.

+        "statscollector_unittest.cc",
+        "test/fakeaudiocapturemodule_unittest.cc",
+        "test/testsdpstrings.h",
+        "trackmediainfomap_unittest.cc",
+        "videocapturertracksource_unittest.cc",
+        "videotrack_unittest.cc",
+        "webrtcsdp_unittest.cc",
+        "webrtcsession_unittest.cc",
+      ]
+    }
+
     if (rtc_enable_sctp) {
       defines = [ "HAVE_SCTP" ]
     }
 
     configs += [ ":peerconnection_unittests_config" ]
 
     if (!build_with_chromium && is_clang) {
       # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
       suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
     }
@@ skipping 44 matching lines @@
       "//testing/gmock",
     ]
 
     if (is_android) {
       deps += [ "//testing/android/native_test:native_test_support" ]
 
       shard_timeout = 900
     }
   }
 }