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BuildingWebRTC.md

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Building WebRTC

This document shows how to prepare a WebRTC build for its inclusion in this plugin.

The build will be made with the build-webrtc.py Python script located in the tools/ directory.

Preparing the build

Running the script with --setup will download all necessary tools for building WebRTC. The script must be run with a target directory where all WebRTC source code and resulting build artifacts will be placed. A build_webrtc directory will be created containing it all.

The setup process only needs to be carried out once.

iOS

python build-webrtc.py --setup --ios ~/src/

Android

NOTE: Make sure you have the Java JDK installed beforehand. On Debian and Ubuntu systems this can be accomplished by installing the default-jdk-headless package.

python build-webrtc.py --setup --android ~/src/

Selecting the branch

Once the setup process has finished, the target branch must be selected, also adding any required cherry-picks. The following example shows how the M57 branch was made:

cd ~/src/build_webrtc/webrtc/ios/src/
git checkout -b build-M57 refs/remotes/branch-heads/57
git cherry-pick 0e22a4cfd3790d80ad1ae699891341fe322cb418
cd

Now the code is ready for building!

Building

iOS

python build-webrtc.py --build --ios ~/src/

The build artifacts will be located in ~/src/build_webrtc/build/ios/.

Android

NOTE: WebRTC for Android can only be built on Linux at the moment.

python build-webrtc.py --build --android ~/src/

The build artifacts will be located in ~/src/build_webrtc/build/android/.

Making debug builds

Debug builds can be made by adding --debug together with --build. For example, to make a debug iOS build:

python build-webrtc.py --build --ios --debug ~/src/