Create Github Actions workflows #20

	# Workflow to build Dawn using GN
	name: GN

	on:
	push:
	branches: [ "main" ]
	pull_request:
	branches: [ "main" ]

	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

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

	strategy:
	# Set fail-fast to false to ensure that feedback is delivered for all matrix combinations. Consider changing this to true when your workflow is stable.
	fail-fast: false

	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]

	steps:
	- name: Install Ubuntu build dependencies
	if: matrix.os == 'ubuntu-latest'
	run: \|
	sudo apt update
	sudo apt install libgl-dev libx11-xcb-dev libxrandr-dev libxinerama-dev libxcursor-dev libxi-dev libxext-dev wayland-protocols libwayland-dev libxkbcommon-dev

	- name: Install depot_tools
	uses: newkdev/[email protected]

	- uses: actions/checkout@v3

	- name: Set up checkout
	run: \|
	cp ./scripts/standalone.gclient .gclient

	- name: gclient sync --no-history --shallow
	run: gclient sync --no-history --shallow
	env:
	DEPOT_TOOLS_WIN_TOOLCHAIN: 0

	- name: Set up sccache
	uses: mozilla-actions/[email protected]

	- name: Generate build files
	shell: bash
	run: \|
	mkdir -p out/build
	cat << EOF >> out/build/args.gn
	cc_wrapper="sccache"
	is_debug=false
	is_component_build=true
	is_clang=true
	EOF
	gn gen out/build

	env:
	SCCACHE_GHA_ENABLED: "true"
	DEPOT_TOOLS_WIN_TOOLCHAIN: 0

	- name: Build
	run: autoninja -C out/build
	env:
	SCCACHE_GHA_ENABLED: "true"
	DEPOT_TOOLS_WIN_TOOLCHAIN: 0

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