Create Github Actions workflows #2

	# Workflow to build Dawn using GN
	name: GN

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

	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]
	gn_args: ["is_debug=true is_component_build=true is_clang=true"]

	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
	run: gclient sync

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

	- name: Generate build files
	run: gn gen out/build --args=cc_wrapper=sccache ${{ matrix.gn_args }}
	env:
	SCCACHE_GHA_ENABLED: "true"

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

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