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Merged
devopvoid merged 1 commit into from
Oct 12, 2026
Merged

build: build WebRTC with autoninja #357

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17 changes: 11 additions & 6 deletions webrtc-jni/src/main/cpp/dependencies/webrtc/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -453,9 +453,14 @@ execute_command(
)

message(STATUS "WebRTC: compile")
# WebRTC builds with Siso, and plain Ninja is no longer supported. autoninja
# picks the tool the output directory is set up for: Siso for a new one (run
# offline, as no remote execution is configured), Ninja for one that Ninja
# built until "gn clean" is run on it. depot_tools' ninja wrapper refuses an
# output directory that Siso built.
if(APPLE)
execute_command(
COMMAND ninja -C "${WEBRTC_BUILD}" :default api/audio_codecs:builtin_audio_decoder_factory api/task_queue:default_task_queue_factory sdk:native_api sdk:default_codec_factory_objc pc:peer_connection sdk:videocapture_objc api/video:adapted_video_track_source api/video:video_adapter api/video:video_broadcaster
COMMAND autoninja -C "${WEBRTC_BUILD}" :default api/audio_codecs:builtin_audio_decoder_factory api/task_queue:default_task_queue_factory sdk:native_api sdk:default_codec_factory_objc pc:peer_connection sdk:videocapture_objc api/video:adapted_video_track_source api/video:video_adapter api/video:video_broadcaster
WORKING_DIRECTORY "${WEBRTC_SRC}"
RESULT_VARIABLE NINJA_RESULT
)
Expand All @@ -468,7 +473,7 @@ if(APPLE)
)
else()
execute_command(
COMMAND ninja -C "${WEBRTC_BUILD}"
COMMAND autoninja -C "${WEBRTC_BUILD}"
WORKING_DIRECTORY "${WEBRTC_SRC}"
RESULT_VARIABLE NINJA_RESULT
)
Expand All @@ -477,7 +482,7 @@ else()
# graph since their move out of media/base; build them explicitly so
# their symbols exist for the shared library link.
execute_command(
COMMAND ninja -C "${WEBRTC_BUILD}" api/video:adapted_video_track_source api/video:video_adapter api/video:video_broadcaster
COMMAND autoninja -C "${WEBRTC_BUILD}" api/video:adapted_video_track_source api/video:video_adapter api/video:video_broadcaster
WORKING_DIRECTORY "${WEBRTC_SRC}"
RESULT_VARIABLE NINJA_UTIL_RESULT
)
Expand All @@ -500,12 +505,12 @@ if(WIN32)
endif()

if(LINUX)
# Ninja only schedules libc++/libc++abi for the target toolchain when
# The build only schedules libc++/libc++abi for the target toolchain when
# a linked output needs them; a static archive only cross build never
# does, so the object globs below would come up empty and produce
# hollow archives. Request the archives explicitly.
execute_command(
COMMAND ninja -C "${WEBRTC_BUILD}" obj/buildtools/third_party/libc++/libc++.a obj/buildtools/third_party/libc++abi/libc++abi.a
COMMAND autoninja -C "${WEBRTC_BUILD}" obj/buildtools/third_party/libc++/libc++.a obj/buildtools/third_party/libc++abi/libc++abi.a
WORKING_DIRECTORY "${WEBRTC_SRC}"
)

Expand Down Expand Up @@ -581,7 +586,7 @@ if(GN_RESULT EQUAL 0 AND NINJA_RESULT EQUAL 0 AND NINJA_UTIL_RESULT EQUAL 0 AND

install(FILES "${WEBRTC_SRC}/${WEBRTC_BUILD}/${WEBRTC_ARGS_FILE}" DESTINATION "${WEBRTC_INSTALL_DIR}")
else()
message(WARNING "WebRTC: the build failed (gn ${GN_RESULT}, ninja ${NINJA_RESULT}, ${NINJA_UTIL_RESULT}); "
message(WARNING "WebRTC: the build failed (gn ${GN_RESULT}, autoninja ${NINJA_RESULT}, ${NINJA_UTIL_RESULT}); "
"its GN args are not recorded, so the next configure builds it again")
endif()

Expand Down
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