ci: Add build and test on macOS #497

	name: Foreign architectures

	on: [push, pull_request]

	jobs:
	multiarch:
	runs-on: ubuntu-22.04
	strategy:
	fail-fast: false
	matrix:
	arch: ["armv6", "armv7", "aarch64", "s390x", "ppc64le"]
	steps:
	- name: Checkout code including full history and submodules
	uses: actions/checkout@v4
	with:
	submodules: true
	fetch-depth: 0
	- name: Build and test
	uses: uraimo/run-on-arch-action@v2.7.2
	id: runcmd
	with:
	arch: ${{ matrix.arch }}
	distro: bookworm
	githubToken: ${{ github.token }}
	install: \|
	apt update
	apt -qy --no-install-recommends install \
	automake \
	build-essential \
	cmake \
	git \
	libcunit1-dev \
	ninja-build \
	pkg-config \
	unzip \
	wget \
	;
	run: \|
	# Mark submodule as safe directory to prevent error because of code
	# getting built by root (inside QEMU) but checked out by a non-root
	# user (host system).
	git config --global --add safe.directory "${PWD}/examples/shared/tinydtls"

	tools/ci/run_ci.sh --run-build --run-tests

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