Build WebRTC with data channel only.

webrtc/media/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("//build/config/linux/pkg_config.gni")
 import("../webrtc.gni")
@@ skipping 14 matching lines @@
 
 config("rtc_media_warnings_config") {
   # GN orders flags on a target before flags from configs. The default config
   # adds these flags so to cancel them out they need to come from a config and
   # cannot be on the target directly.
   if (!is_win) {
     cflags = [ "-Wno-deprecated-declarations" ]
   }
 }
 
-rtc_static_library("rtc_media_base") {
+rtc_source_set("rtc_media_base_common") {
   # TODO(kjellander): Remove (bugs.webrtc.org/6828)
   # Enabling GN check triggers cyclic dependency error:
   #   //webrtc/media:rtc_media_base ->
   #   //webrtc/pc:rtc_pc ->
   #   //webrtc/media:media ->
   #   //webrtc/media:rtc_media_base
   check_includes = false
-  defines = []
-  libs = []
   deps = []
   sources = [
     "base/adaptedvideotracksource.cc",
     "base/adaptedvideotracksource.h",
     "base/audiosource.h",
-    "base/codec.cc",
-    "base/codec.h",
     "base/cryptoparams.h",
     "base/device.h",
     "base/mediachannel.h",
     "base/mediaconstants.cc",
     "base/mediaconstants.h",
     "base/mediaengine.cc",
     "base/mediaengine.h",
     "base/rtpdataengine.cc",
     "base/rtpdataengine.h",
     "base/rtputils.cc",
@@ skipping 29 matching lines @@
       "$rtc_libyuv_dir",
     ]
   } else {
     # Need to add a directory normally exported by libyuv.
     include_dirs += [ "$rtc_libyuv_dir/include" ]
   }
 
   deps += [
     "..:webrtc_common",
     "../api:libjingle_peerconnection_api",
-    "../api:video_frame_api",
     "../api/audio_codecs:audio_codecs_api",
-    "../api/audio_codecs:builtin_audio_encoder_factory",
     "../base:rtc_base",
     "../base:rtc_base_approved",
     "../call:call_interfaces",
-    "../common_video:common_video",
     "../p2p",
   ]
 
   if (is_nacl) {
     deps += [ "//native_client_sdk/src/libraries/nacl_io" ]
   }
 }
 
+rtc_static_library("rtc_media_base_datachannel_only") {
+  # TODO(kjellander): Remove (bugs.webrtc.org/6828)
+  # Enabling GN check triggers cyclic dependency error:
+  #   //webrtc/media:rtc_media_base ->
+  #   //webrtc/pc:rtc_pc ->
+  #   //webrtc/media:media ->
+  #   //webrtc/media:rtc_media_base
+  check_includes = false
+  defines = []
+  sources = [
+    "base/codec.cc",
+    "base/codec.h",
+  ]
+
+  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" ]
+  }
+
+  public_deps = [
+    ":rtc_media_base_common",
+  ]
+}
+
+rtc_static_library("rtc_media_base") {
+  # TODO(kjellander): Remove (bugs.webrtc.org/6828)
+  # Enabling GN check triggers cyclic dependency error:
+  #   //webrtc/media:rtc_media_base ->
+  #   //webrtc/pc:rtc_pc ->
+  #   //webrtc/media:media ->
+  #   //webrtc/media:rtc_media_base
+  check_includes = false
+  defines = [
+    "HAVE_WEBRTC_VOICE",
+    "HAVE_WEBRTC_VIDEO",
+  ]
+  libs = []
+  deps = []
+  sources = [
+    "base/codec.cc",
+    "base/codec.h",
+  ]
+
+  configs += [ ":rtc_media_warnings_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" ]
+  }
+
+  deps += [
+    "../api:video_frame_api",
+    "../api/audio_codecs:builtin_audio_encoder_factory",
+    "../common_video:common_video",
+  ]
+
+  public_deps = [
+    ":rtc_media_base_common",
+  ]
+}
+
+rtc_static_library("rtc_media_datachannel_only") {
+  # TODO(kjellander): Remove (bugs.webrtc.org/6828)
+  # Enabling GN check triggers cyclic dependency error:
+  #   //webrtc/media:media ->
+  #   //webrtc/media:rtc_media ->
+  #   //webrtc/pc:rtc_pc ->
+  #   //webrtc/media:media
+  check_includes = false
+  defines = []
+  deps = []
+  sources = [
+    "sctp/sctptransport.cc",
+    "sctp/sctptransport.h",
+    "sctp/sctptransportinternal.h",
+  ]
+
+  configs += [ ":rtc_media_warnings_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" ]
+  }
+
+  if (is_win) {
+    cflags = [
+      "/wd4245",  # conversion from "int" to "size_t", signed/unsigned mismatch.
+      "/wd4267",  # conversion from "size_t" to "int", possible loss of data.
+      "/wd4389",  # signed/unsigned mismatch.
+    ]
+  }
+
+  if (rtc_enable_sctp && rtc_build_usrsctp) {
+    include_dirs = [
+      # TODO(jiayl): move this into the public_configs of
+      # //third_party/usrsctp/BUILD.gn.
+      "//third_party/usrsctp/usrsctplib",
+    ]
+    deps += [ "//third_party/usrsctp" ]
+  }
+
+  deps += [
+    ":rtc_media_base_datachannel_only",
+    "..:webrtc_common",
+    "../api:call_api",
+    "../api:transport_api",
+    "../base:rtc_base",
+    "../base:rtc_base_approved",
+    "../p2p:rtc_p2p",
+    "../system_wrappers",
+  ]
+}
+
 rtc_static_library("rtc_media") {
   # TODO(kjellander): Remove (bugs.webrtc.org/6828)
   # Enabling GN check triggers cyclic dependency error:
   #   //webrtc/media:media ->
   #   //webrtc/media:rtc_media ->
   #   //webrtc/pc:rtc_pc ->
   #   //webrtc/media:media
   check_includes = false
   defines = []
   libs = []
@@ skipping 332 matching lines @@
       "../modules/video_coding:video_coding_utility",
       "../modules/video_coding:webrtc_vp8",
       "../p2p:p2p_test_utils",
       "../system_wrappers:metrics_default",
       "../test:audio_codec_mocks",
       "../test:test_support",
       "../voice_engine:voice_engine",
     ]
   }
 }