Can't build WebRTC on Mac

[김기덕]

hi, i'm trying to build WebRTC for using android.

so i tried to on MacOS, and download full source. (typing fetch --nohooks webrtc_android & gclient sync)
but i can't compile using 'ninja -C out/Debug'.

it is my three way option

1. gn gen out/Debug --args='target_os="android" target_cpu="arm"'
-> ../../third_party/android_ndk/toolchains/arm-linux-androideabi-4.9/prebuilt/darwin-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/libgcc.a', needed by 'obj/modules/audio_coding/libana_config_proto.a', missing and no known rule to make it

2. gn gen out/Debug --args='target_os="android" target_cpu="x86"'

-> ../../third_party/android_ndk/toolchains/x86-4.9/prebuilt/darwin-x86_64/lib/gcc/i686-linux-android/4.9.x/libgcc.a', needed by 'obj/modules/audio_coding/libana_config_proto.a', missing and no known rule to make it

3. gn gen out/Debug --args='target_os="android" target_cpu="x64"'

-> ../../third_party/android_ndk/toolchains/x86_64-4.9/prebuilt/darwin-x86_64/lib/gcc/x86_64-linux-android/4.9.x/libgcc.a', needed by 'obj/modules/audio_coding/libana_config_proto.a', missing and no known rule to make it

how do i build webrtc_android? plz help me.

[김기덕]

in addition , i'm just build webrtc, and extract .aar file. there is my reference URL.

1. http://ninjanetic.com/how-to-get-started-with-webrtc-and-ios-without-wasting-10-hours-of-your-life/

2. https://cryingnavi.github.io/WebRTC-Android/

3. https://webrtc.org/native-code/android/

[Angelo Mantellini]

If I remember well, you need ubuntu tu compile chromium/webrtc for android.

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[김기덕]

I don't know if this is true , on MAC os ,  depot_tools = chromium . don't you? i'm install using 'fetch --nohooks webrtc_android' and success download. just can't compiling.

[Alexandre GOUAILLARD]

it is true.

https://webrtc.org/native-code/android/

"Android development is only supported on Linux."

On Thu, Oct 18, 2018 at 8:41 AM 김기덕 <kkd9...@gmail.com> wrote:

I don't know if this is true , on MAC os ,  depot_tools = chromium . don't you? i'm install using 'fetch --nohooks webrtc_android' and success download. just can't compiling.

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[김기덕]

okay. so another OS can't build webrtc?? like mac or windows

2018년 10월 18일 목요일 오후 3시 5분 30초 UTC+9, Alexandre GOUAILLARD 님의 말:

[Quyen Le]

Yeah, I tried in the past and noticed only linux is supported to build android version. You have to use VM if Mac is your machine. Docker is the most convenient VM solution for me in this case since it can reuse the host machine's disk partition with minimal performance hit. Be careful though webrtc-android expects the partition to be case sensitive which is not the default option of Mac partition.

[Alexandre GOUAILLARD]

Answer to what you wrote:

- OS can't build anything.

- you can build webrtc on mac and windows.

Answer to what I assume you meant:

- building webrtc for android is only supported by the webrtc authors on linux.

  -- that means that if you experience problem building webrtc for android on linux, you can ask for help, open a ticket and expect an answer.

  -- that also mean that if you want to build webrtc for android on any other OS, you are on your own, and no support should be expected.

- when it comes to software, nothing is impossible. The impossible just takes a little bit longer.

Note that there are multiple scripts out there to build libwebrtc on linux as docker, as travisCL, and so on and so forth, as well as official pre-build artefacts: e.g. https://github.com/threema-ch/webrtc-build-docker

HTH

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