# Copyright (c) 2014 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. # This is the root build file for GN. GN will start processing by loading this # file, and recursively load all dependencies until all dependencies are either # resolved or known not to exist (which will cause the build to fail). So if # you add a new build file, there must be some path of dependencies from this # file to your new one or GN won't know about it. # Use of visibility = clauses: # The default visibility for all rtc_ targets is equivalent to "//*", or # "all targets in webrtc can depend on this, nothing outside can". # # When overriding, the choices are: # - visibility = [ "*" ] - public. Stuff outside webrtc can use this. # - visibility = [ ":*" ] - directory private. # As a general guideline, only targets in api/ should have public visibility. import("//build/config/linux/pkg_config.gni") import("//build/config/sanitizers/sanitizers.gni") import("//third_party/google_benchmark/buildconfig.gni") import("webrtc.gni") if (rtc_enable_protobuf) { import("//third_party/protobuf/proto_library.gni") } if (is_android) { import("//build/config/android/config.gni") import("//build/config/android/rules.gni") } if (!build_with_chromium) { # This target should (transitively) cause everything to be built; if you run # 'ninja default' and then 'ninja all', the second build should do no work. group("default") { testonly = true deps = [ ":webrtc" ] if (rtc_build_examples) { deps += [ "examples" ] } if (rtc_build_tools) { deps += [ "rtc_tools" ] } if (rtc_include_tests) { deps += [ ":fuchsia_perf_tests", ":rtc_unittests", ":video_engine_tests", ":voip_unittests", ":webrtc_nonparallel_tests", ":webrtc_perf_tests", "common_audio:common_audio_unittests", "common_video:common_video_unittests", "examples:examples_unittests", "media:rtc_media_unittests", "modules:modules_tests", "modules:modules_unittests", "modules/audio_coding:audio_coding_tests", "modules/audio_processing:audio_processing_tests", "modules/remote_bitrate_estimator:rtp_to_text", "modules/rtp_rtcp:test_packet_masks_metrics", "modules/video_capture:video_capture_internal_impl", "net/dcsctp:dcsctp_unittests", "pc:peerconnection_unittests", "pc:rtc_pc_unittests", "pc:slow_peer_connection_unittests", "pc:svc_tests", "rtc_tools:rtp_generator", "rtc_tools:video_replay", "stats:rtc_stats_unittests", "system_wrappers:system_wrappers_unittests", "test", "video:screenshare_loopback", "video:sv_loopback", "video:video_loopback", ] if (!is_asan) { # Do not build :webrtc_lib_link_test because lld complains on some OS # (e.g. when target_os = "mac") when is_asan=true. For more details, # see bugs.webrtc.org/11027#c5. deps += [ ":webrtc_lib_link_test" ] } if (is_ios) { deps += [ "examples:apprtcmobile_tests", "sdk:sdk_framework_unittests", "sdk:sdk_unittests", ] } if (is_android) { deps += [ "examples:android_examples_junit_tests", "sdk/android:android_instrumentation_test_apk", "sdk/android:android_sdk_junit_tests", ] } else { deps += [ "modules/video_capture:video_capture_tests" ] } if (rtc_enable_protobuf) { deps += [ "audio:low_bandwidth_audio_perf_test", "logging:rtc_event_log_rtp_dump", "tools_webrtc/perf:webrtc_dashboard_upload", ] } if ((is_linux || is_chromeos) && rtc_use_pipewire) { deps += [ "modules/desktop_capture:shared_screencast_stream_test" ] } } if (target_os == "android") { deps += [ "tools_webrtc:binary_version_check" ] } } } # Abseil Flags by default doesn't register command line flags on mobile # platforms, WebRTC tests requires them (e.g. on simualtors) so this # config will be applied to testonly targets globally (see webrtc.gni). config("absl_flags_configs") { defines = [ "ABSL_FLAGS_STRIP_NAMES=0" ] } config("library_impl_config") { # Build targets that contain WebRTC implementation need this macro to # be defined in order to correctly export symbols when is_component_build # is true. # For more info see: rtc_base/build/rtc_export.h. defines = [ "WEBRTC_LIBRARY_IMPL" ] } # Contains the defines and includes in common.gypi that are duplicated both as # target_defaults and direct_dependent_settings. config("common_inherited_config") { defines = [] cflags = [] ldflags = [] if (rtc_dlog_always_on) { defines += [ "DLOG_ALWAYS_ON" ] } if (rtc_enable_symbol_export || is_component_build) { defines += [ "WEBRTC_ENABLE_SYMBOL_EXPORT" ] } if (rtc_enable_objc_symbol_export) { defines += [ "WEBRTC_ENABLE_OBJC_SYMBOL_EXPORT" ] } if (!rtc_builtin_ssl_root_certificates) { defines += [ "WEBRTC_EXCLUDE_BUILT_IN_SSL_ROOT_CERTS" ] } if (rtc_disable_check_msg) { defines += [ "RTC_DISABLE_CHECK_MSG" ] } if (rtc_enable_avx2) { defines += [ "WEBRTC_ENABLE_AVX2" ] } if (rtc_enable_win_wgc) { defines += [ "RTC_ENABLE_WIN_WGC" ] } # Some tests need to declare their own trace event handlers. If this define is # not set, the first time TRACE_EVENT_* is called it will store the return # value for the current handler in an static variable, so that subsequent # changes to the handler for that TRACE_EVENT_* will be ignored. # So when tests are included, we set this define, making it possible to use # different event handlers in different tests. if (rtc_include_tests) { defines += [ "WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS=1" ] } else { defines += [ "WEBRTC_NON_STATIC_TRACE_EVENT_HANDLERS=0" ] } if (build_with_chromium) { defines += [ "WEBRTC_CHROMIUM_BUILD" ] include_dirs = [ # The overrides must be included first as that is the mechanism for # selecting the override headers in Chromium. "../webrtc_overrides", # Allow includes to be prefixed with webrtc/ in case it is not an # immediate subdirectory of the top-level. ".", # Just like the root WebRTC directory is added to include path, the # corresponding directory tree with generated files needs to be added too. # Note: this path does not change depending on the current target, e.g. # it is always "//gen/third_party/webrtc" when building with Chromium. # See also: http://cs.chromium.org/?q=%5C"default_include_dirs # https://gn.googlesource.com/gn/+/master/docs/reference.md#target_gen_dir target_gen_dir, ] } if (is_posix || is_fuchsia) { defines += [ "WEBRTC_POSIX" ] } if (is_ios) { defines += [ "WEBRTC_MAC", "WEBRTC_IOS", ] } if (is_linux || is_chromeos) { defines += [ "WEBRTC_LINUX" ] } if (is_mac) { defines += [ "WEBRTC_MAC" ] } if (is_fuchsia) { defines += [ "WEBRTC_FUCHSIA" ] } if (is_win) { defines += [ "WEBRTC_WIN" ] } if (is_android) { defines += [ "WEBRTC_LINUX", "WEBRTC_ANDROID", ] if (build_with_mozilla) { defines += [ "WEBRTC_ANDROID_OPENSLES" ] } } if (is_chromeos) { defines += [ "CHROMEOS" ] } if (rtc_sanitize_coverage != "") { assert(is_clang, "sanitizer coverage requires clang") cflags += [ "-fsanitize-coverage=${rtc_sanitize_coverage}" ] ldflags += [ "-fsanitize-coverage=${rtc_sanitize_coverage}" ] } if (is_ubsan) { cflags += [ "-fsanitize=float-cast-overflow" ] } } # TODO(bugs.webrtc.org/9693): Remove the possibility to suppress this warning # as soon as WebRTC compiles without it. config("no_global_constructors") { if (is_clang) { cflags = [ "-Wno-global-constructors" ] } } config("rtc_prod_config") { # Ideally, WebRTC production code (but not test code) should have these flags. if (is_clang) { cflags = [ "-Wexit-time-destructors", "-Wglobal-constructors", ] } } config("common_config") { cflags = [] cflags_c = [] cflags_cc = [] cflags_objc = [] defines = [] if (rtc_enable_protobuf) { defines += [ "WEBRTC_ENABLE_PROTOBUF=1" ] } else { defines += [ "WEBRTC_ENABLE_PROTOBUF=0" ] } if (rtc_strict_field_trials) { defines += [ "WEBRTC_STRICT_FIELD_TRIALS=1" ] } else { defines += [ "WEBRTC_STRICT_FIELD_TRIALS=0" ] } if (rtc_include_internal_audio_device) { defines += [ "WEBRTC_INCLUDE_INTERNAL_AUDIO_DEVICE" ] } if (rtc_libvpx_build_vp9) { defines += [ "RTC_ENABLE_VP9" ] } if (rtc_include_dav1d_in_internal_decoder_factory) { defines += [ "RTC_DAV1D_IN_INTERNAL_DECODER_FACTORY" ] } if (rtc_enable_sctp) { defines += [ "WEBRTC_HAVE_SCTP" ] } if (rtc_enable_external_auth) { defines += [ "ENABLE_EXTERNAL_AUTH" ] } if (rtc_use_h264) { defines += [ "WEBRTC_USE_H264" ] } if (rtc_use_absl_mutex) { defines += [ "WEBRTC_ABSL_MUTEX" ] } if (rtc_disable_logging) { defines += [ "RTC_DISABLE_LOGGING" ] } if (rtc_disable_trace_events) { defines += [ "RTC_DISABLE_TRACE_EVENTS" ] } if (rtc_disable_metrics) { defines += [ "RTC_DISABLE_METRICS" ] } if (rtc_exclude_transient_suppressor) { defines += [ "WEBRTC_EXCLUDE_TRANSIENT_SUPPRESSOR" ] } if (rtc_exclude_audio_processing_module) { defines += [ "WEBRTC_EXCLUDE_AUDIO_PROCESSING_MODULE" ] } if (is_clang) { cflags += [ # TODO(webrtc:13219): Fix -Wshadow instances and enable. "-Wno-shadow", # See https://reviews.llvm.org/D56731 for details about this # warning. "-Wctad-maybe-unsupported", ] } if (build_with_chromium) { defines += [ # NOTICE: Since common_inherited_config is used in public_configs for our # targets, there's no point including the defines in that config here. # TODO(kjellander): Cleanup unused ones and move defines closer to the # source when webrtc:4256 is completed. "HAVE_WEBRTC_VIDEO", "LOGGING_INSIDE_WEBRTC", ] } else { if (is_posix || is_fuchsia) { cflags_c += [ # TODO(bugs.webrtc.org/9029): enable commented compiler flags. # Some of these flags should also be added to cflags_objc. # "-Wextra", (used when building C++ but not when building C) # "-Wmissing-prototypes", (C/Obj-C only) # "-Wmissing-declarations", (ensure this is always used C/C++, etc..) "-Wstrict-prototypes", # "-Wpointer-arith", (ensure this is always used C/C++, etc..) # "-Wbad-function-cast", (C/Obj-C only) # "-Wnested-externs", (C/Obj-C only) ] cflags_objc += [ "-Wstrict-prototypes" ] cflags_cc = [ "-Wnon-virtual-dtor", # This is enabled for clang; enable for gcc as well. "-Woverloaded-virtual", ] } if (is_clang) { cflags += [ "-Wc++11-narrowing" ] if (!is_fuchsia) { # Compiling with the Fuchsia SDK results in Wundef errors # TODO(bugs.fuchsia.dev/100722): Remove from (!is_fuchsia) branch when # Fuchsia build errors are fixed. cflags += [ "-Wundef" ] } if (!is_nacl) { # Flags NaCl (Clang 3.7) do not recognize. cflags += [ "-Wunused-lambda-capture" ] } } if (is_win && !is_clang) { # MSVC warning suppressions (needed to use Abseil). # TODO(bugs.webrtc.org/9274): Remove these warnings as soon as MSVC allows # external headers warning suppression (or fix them upstream). cflags += [ "/wd4702" ] # unreachable code # MSVC 2019 warning suppressions for C++17 compiling cflags += [ "/wd5041" ] # out-of-line definition for constexpr static data # member is not needed and is deprecated in C++17 } } if (current_cpu == "arm64") { defines += [ "WEBRTC_ARCH_ARM64" ] defines += [ "WEBRTC_HAS_NEON" ] } if (current_cpu == "arm") { defines += [ "WEBRTC_ARCH_ARM" ] if (arm_version >= 7) { defines += [ "WEBRTC_ARCH_ARM_V7" ] if (arm_use_neon) { defines += [ "WEBRTC_HAS_NEON" ] } } } if (current_cpu == "mipsel") { defines += [ "MIPS32_LE" ] if (mips_float_abi == "hard") { defines += [ "MIPS_FPU_LE" ] } if (mips_arch_variant == "r2") { defines += [ "MIPS32_R2_LE" ] } if (mips_dsp_rev == 1) { defines += [ "MIPS_DSP_R1_LE" ] } else if (mips_dsp_rev == 2) { defines += [ "MIPS_DSP_R1_LE", "MIPS_DSP_R2_LE", ] } } if (is_android && !is_clang) { # The Android NDK doesn"t provide optimized versions of these # functions. Ensure they are disabled for all compilers. cflags += [ "-fno-builtin-cos", "-fno-builtin-sin", "-fno-builtin-cosf", "-fno-builtin-sinf", ] } if (use_fuzzing_engine && optimize_for_fuzzing) { # Used in Chromium's overrides to disable logging defines += [ "WEBRTC_UNSAFE_FUZZER_MODE" ] } if (!build_with_chromium && rtc_win_undef_unicode) { cflags += [ "/UUNICODE", "/U_UNICODE", ] } } config("common_objc") { frameworks = [ "Foundation.framework" ] } if (!build_with_chromium) { # Target to build all the WebRTC production code. rtc_static_library("webrtc") { # Only the root target and the test should depend on this. visibility = [ "//:default", "//:webrtc_lib_link_test", ] sources = [] complete_static_lib = true suppressed_configs += [ "//build/config/compiler:thin_archive" ] defines = [] deps = [ "api:create_peerconnection_factory", "api:libjingle_peerconnection_api", "api:rtc_error", "api:transport_api", "api/crypto", "api/rtc_event_log:rtc_event_log_factory", "api/task_queue", "api/task_queue:default_task_queue_factory", "api/test/metrics", "audio", "call", "common_audio", "common_video", "logging:rtc_event_log_api", "media", "modules", "modules/video_capture:video_capture_internal_impl", "p2p:rtc_p2p", "pc:libjingle_peerconnection", "pc:rtc_pc", "rtc_base", "sdk", "video", ] if (rtc_include_builtin_audio_codecs) { deps += [ "api/audio_codecs:builtin_audio_decoder_factory", "api/audio_codecs:builtin_audio_encoder_factory", ] } if (rtc_include_builtin_video_codecs) { deps += [ "api/video_codecs:builtin_video_decoder_factory", "api/video_codecs:builtin_video_encoder_factory", ] } if (build_with_mozilla) { deps += [ "api/video:video_frame", "api/video:video_rtp_headers", ] } else { deps += [ "api", "logging", "p2p", "pc", "stats", ] } if (rtc_enable_protobuf) { deps += [ "logging:rtc_event_log_proto" ] } } if (rtc_include_tests && !is_asan) { rtc_executable("webrtc_lib_link_test") { testonly = true # This target is used for checking to link, so do not check dependencies # on gn check. check_includes = false # no-presubmit-check TODO(bugs.webrtc.org/12785) sources = [ "webrtc_lib_link_test.cc" ] deps = [ # NOTE: Don't add deps here. If this test fails to link, it means you # need to add stuff to the webrtc static lib target above. ":webrtc", ] } } } if (use_libfuzzer || use_afl) { # This target is only here for gn to discover fuzzer build targets under # webrtc/test/fuzzers/. group("webrtc_fuzzers_dummy") { testonly = true deps = [ "test/fuzzers:webrtc_fuzzer_main" ] } } if (rtc_include_tests && !build_with_chromium) { rtc_test("rtc_unittests") { testonly = true deps = [ "api:compile_all_headers", "api:rtc_api_unittests", "api/audio/test:audio_api_unittests", "api/audio_codecs/test:audio_codecs_api_unittests", "api/numerics:numerics_unittests", "api/task_queue:pending_task_safety_flag_unittests", "api/test/metrics:metrics_unittests", "api/transport:stun_unittest", "api/video/test:rtc_api_video_unittests", "api/video_codecs/test:video_codecs_api_unittests", "api/voip:compile_all_headers", "call:fake_network_pipe_unittests", "p2p:libstunprober_unittests", "p2p:rtc_p2p_unittests", "rtc_base:callback_list_unittests", "rtc_base:rtc_base_approved_unittests", "rtc_base:rtc_base_unittests", "rtc_base:rtc_json_unittests", "rtc_base:rtc_numerics_unittests", "rtc_base:rtc_operations_chain_unittests", "rtc_base:rtc_task_queue_unittests", "rtc_base:sigslot_unittest", "rtc_base:untyped_function_unittest", "rtc_base:weak_ptr_unittests", "rtc_base/experiments:experiments_unittests", "rtc_base/system:file_wrapper_unittests", "rtc_base/task_utils:repeating_task_unittests", "rtc_base/units:units_unittests", "sdk:sdk_tests", "test:rtp_test_utils", "test:test_main", "test/network:network_emulation_unittests", ] if (rtc_enable_protobuf) { deps += [ "logging:rtc_event_log_tests" ] } if (is_android) { # Do not use Chromium's launcher. native_unittests defines its own JNI_OnLoad. use_default_launcher = false deps += [ "sdk/android:native_unittests", "sdk/android:native_unittests_java", "//testing/android/native_test:native_test_support", ] shard_timeout = 900 } } if (enable_google_benchmarks) { rtc_test("benchmarks") { testonly = true deps = [ "rtc_base/synchronization:mutex_benchmark", "test:benchmark_main", ] } } # TODO(pbos): Rename test suite, this is no longer "just" for video targets. video_engine_tests_resources = [ "resources/foreman_cif_short.yuv", "resources/voice_engine/audio_long16.pcm", ] if (is_ios) { bundle_data("video_engine_tests_bundle_data") { testonly = true sources = video_engine_tests_resources outputs = [ "{{bundle_resources_dir}}/{{source_file_part}}" ] } } rtc_test("video_engine_tests") { testonly = true deps = [ "audio:audio_tests", # TODO(eladalon): call_tests aren't actually video-specific, so we # should move them to a more appropriate test suite. "call:call_tests", "call/adaptation:resource_adaptation_tests", "test:test_common", "test:test_main", "test:video_test_common", "video:video_tests", "video/adaptation:video_adaptation_tests", ] data = video_engine_tests_resources if (is_android) { use_default_launcher = false deps += [ "//build/android/gtest_apk:native_test_instrumentation_test_runner_java", "//testing/android/native_test:native_test_java", "//testing/android/native_test:native_test_support", ] shard_timeout = 900 } if (is_ios) { deps += [ ":video_engine_tests_bundle_data" ] } } webrtc_perf_tests_resources = [ "resources/ConferenceMotion_1280_720_50.yuv", "resources/audio_coding/speech_mono_16kHz.pcm", "resources/audio_coding/speech_mono_32_48kHz.pcm", "resources/audio_coding/testfile32kHz.pcm", "resources/difficult_photo_1850_1110.yuv", "resources/foreman_cif.yuv", "resources/paris_qcif.yuv", "resources/photo_1850_1110.yuv", "resources/presentation_1850_1110.yuv", "resources/voice_engine/audio_long16.pcm", "resources/web_screenshot_1850_1110.yuv", ] if (is_ios) { bundle_data("webrtc_perf_tests_bundle_data") { testonly = true sources = webrtc_perf_tests_resources outputs = [ "{{bundle_resources_dir}}/{{source_file_part}}" ] } } rtc_test("webrtc_perf_tests") { testonly = true deps = [ "audio:audio_perf_tests", "call:call_perf_tests", "modules/audio_coding:audio_coding_perf_tests", "modules/audio_processing:audio_processing_perf_tests", "pc:peerconnection_perf_tests", "test:test_main", "video:video_full_stack_tests", "video:video_pc_full_stack_tests", ] data = webrtc_perf_tests_resources if (is_android) { use_default_launcher = false deps += [ "//build/android/gtest_apk:native_test_instrumentation_test_runner_java", "//testing/android/native_test:native_test_java", "//testing/android/native_test:native_test_support", ] shard_timeout = 4500 } if (is_ios) { deps += [ ":webrtc_perf_tests_bundle_data" ] } } rtc_test("fuchsia_perf_tests") { testonly = true deps = [ #TODO(fxbug.dev/115601) - Enable when fixed #"call:call_perf_tests", #"video:video_pc_full_stack_tests", "modules/audio_coding:audio_coding_perf_tests", "modules/audio_processing:audio_processing_perf_tests", "pc:peerconnection_perf_tests", "test:test_main", "video:video_full_stack_tests", ] data = webrtc_perf_tests_resources } rtc_test("webrtc_nonparallel_tests") { testonly = true deps = [ "rtc_base:rtc_base_nonparallel_tests" ] if (is_android) { deps += [ "//testing/android/native_test:native_test_support" ] shard_timeout = 900 } } rtc_test("voip_unittests") { testonly = true deps = [ "api/voip:compile_all_headers", "api/voip:voip_engine_factory_unittests", "audio/voip/test:audio_channel_unittests", "audio/voip/test:audio_egress_unittests", "audio/voip/test:audio_ingress_unittests", "audio/voip/test:voip_core_unittests", "test:test_main", ] } } # Build target for standalone dcsctp rtc_static_library("dcsctp") { # Only the root target should depend on this. visibility = [ "//:default" ] sources = [] complete_static_lib = true suppressed_configs += [ "//build/config/compiler:thin_archive" ] defines = [] deps = [ "net/dcsctp/public:factory", "net/dcsctp/public:socket", "net/dcsctp/public:types", "net/dcsctp/socket:dcsctp_socket", "net/dcsctp/timer:task_queue_timeout", ] } # ---- Poisons ---- # # Here is one empty dummy target for each poison type (needed because # "being poisonous with poison type foo" is implemented as "depends on # //:poison_foo"). # # The set of poison_* targets needs to be kept in sync with the # `all_poison_types` list in webrtc.gni. # group("poison_audio_codecs") { } group("poison_default_task_queue") { } group("poison_default_echo_detector") { } group("poison_rtc_json") { } group("poison_software_video_codecs") { }