Introduce ARM support #65

	name: CI
	on: [push, pull_request]

	jobs:
	lint-python-scripts:
	runs-on: ubuntu-latest

	strategy:
	fail-fast: true

	steps:
	- uses: actions/checkout@v3
	with:
	submodules: true

	- name: Install flake8 & mypy
	run: \|
	sudo apt update
	sudo apt install python3 python3-pip
	pip install flake8 mypy

	- name: Run flake8 on the project
	run: flake8 .py scripts/.py

	- name: Run mypy on the project
	run: \|
	mypy --disallow-incomplete-defs --no-implicit-optional *.py

	# Do this because otherwise mypy complains:
	# 'Cannot find implementation or library stub for module named "image_utils.path_guesser" [import-not-found]'
	pushd scripts
	mypy --disallow-incomplete-defs --no-implicit-optional *.py
	popd

	build:
	runs-on: ${{ matrix.os }}

	strategy:
	fail-fast: true
	matrix:
	os: [ubuntu-latest, macos-latest]
	arch: [i686, x86_64, "aarch64"]
	toolchain: [gcc, clang]
	exclude:
	# FIXME: the GCC build somehow ends up being corrupted with
	# libexec/cc1 containing garbage data.
	- os: macos-latest
	toolchain: gcc

	steps:
	- uses: actions/checkout@v3
	with:
	submodules: true

	- if: ${{ matrix.toolchain == 'gcc' }}
	name: Restore cache
	uses: actions/[email protected]
	env:
	gcc-version: 13.2.0
	with:
	path: "${{ github.workspace }}/toolchain/tools_${{ matrix.arch }}"
	key: "${{ runner.os }}-${{ runner.arch }}-${{ matrix.arch }}-gcc-${{ env.gcc-version }}"

	# TODO: maybe split these steps
	- name: Build platform toolchain & Kernel
	run: "${{ github.workspace }}/build.py --arch ${{ matrix.arch }} --toolchain ${{ matrix.toolchain }} --no-tune-native"

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