KAS

KAS is a tool for managing layer repositories, configuration, and build environments for Yocto/OE builds. It is the recommended approach for new Yoe projects (see Superproject Management for background).

Getting Started

KAS configurations live in the kas/ directory. Each YAML file defines a complete build for a target machine, including layer repositories, local.conf settings, and bblayers.conf entries.

Available configurations:

• jetson-agx-orin-devkit.yml
• jetson-orin-nano-devkit-nvme.yml
• rpi4-64.yml
• visionfive.yml
• visionfive2.yml

Running a Build

To set up a container and drop into a shell ready for bitbake:

cd kas/
./kas-container \
    --runtime-args "--volume ./../sources/meta-yoe:/work/layers/meta-yoe" \
    --ssh-dir ~/.ssh \
    shell jetson-agx-orin-devkit.yml

The --volume flag mounts the local meta-yoe layer into the container so that local changes are available in the build.

Once inside the container shell, run bitbake as usual:

bitbake yoe-simple-image

Local Configuration

To add machine-specific or user-specific settings without modifying the checked-in YAML files, create kas/local.yml (git-ignored) and append it when invoking KAS:

./kas-container <...> <target>.yml:local.yml

References

• KAS Documentation
• KAS Repository