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Gecko on Gonk

This is an experiment to see what it takes to build current Gecko on Gonk (M base).

Preparing an emulator build

Currently the setup is:

  • get an Android M clone of B2G and build it: git clone --branch emulator-m https://github.com/gabrielesvelto/B2G git clone --branch emulator-m https://github.com/gabrielesvelto/b2g-manifest cd B2G env REPO_INIT_FLAGS="--depth=1" REPO_SYNC_FLAGS="-j16 --force-sync" GITREPO=../b2g-manifest BRANCH=emulator-m ./config.sh emulator-m ./build.sh

Preparing a device build

  • Use a b2g checkout already built for your device.

Get toolchain dependencies

Run ./mach bootstrap first and choose option 4 (GeckoView/Firefox for Android)

Build system "fixes"

  • cd to directory $NDK_DIR/sysroot/usr/lib and run:
for i in $NDK_DIR/platforms/android-23/arch-arm/usr/lib/*; do ln -snf $i .; done
  • edit $NDK_DIR/sysroot/usr/include/bits/signal_types.h
  • insert these lines in the line 69:
#undef sa_handler
#undef sa_sigaction

Building

  • run ./build-b2g.sh
  • package with ./build-b2g.sh package

Running on the emulator

  • unpack the dist tarball in the B2G folder tar -x -v -f obj-arm-unknown-linux-androideabi/dist/b2g-*.tar.gz -C ../B2G/out/target/product/generic/system/
  • go into the B2G folder
  • rebuild the emulator with ./build.sh ENABLE_DEFAULT_BOOTANIMATION=true
  • run the emulator with ./run-emulator.sh

Running on device

  • push the build by running ./push-b2g.sh
  • start it with adb shell b2g.sh or adb shell start b2g

Serving test content.

A basic system app loading a page in remote iframe is in b2g/system. The shell is for now hardcoded to load http://localhost:8081/system/index.html as a system UI.

If you can't run a http server on device, remote the port 8081 to your host:

  • adb root
  • adb reverse tcp:8081 tcp:8081
  • cd $path-to-gecko-dev/b2g
  • python -m SimpleHTTPServer 8081

Download Build Artifacts

  • Click the pipeline status will redirect to the latest commit of the default branch.
  • In the lastest commit page, click the related build to be downloaded.
  • In the jobs page, the job artifacts are available at the right menu.

Note: Will keep the artifacts for two weeks only.