Fix some race conditions #2686

	name: Build AArch64

	on:
	workflow_dispatch:
	push:
	paths:
	- 'src/**'
	- 'examples/**'
	- 'lib/**'
	- 'hw/**'
	- '.github/workflows/build_aarch64.yml'
	pull_request:
	branches: [ master ]
	paths:
	- 'src/**'
	- 'examples/**'
	- 'lib/**'
	- 'hw/**'
	- '.github/workflows/build_aarch64.yml'

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	# ---------------------------------------
	# Build AARCH64 family
	# ---------------------------------------
	build-arm:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	family:
	# Alphabetical order
	- 'broadcom_64bit'
	steps:
	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.x'

	- name: Checkout TinyUSB
	uses: actions/checkout@v4

	- name: Set Toolchain URL
	run: echo >> $GITHUB_ENV TOOLCHAIN_URL=https://developer.arm.com/-/media/Files/downloads/gnu-a/10.3-2021.07/binrel/gcc-arm-10.3-2021.07-x86_64-aarch64-none-elf.tar.xz

	- name: Cache Toolchain
	uses: actions/cache@v4
	id: cache-toolchain
	with:
	path: ~/cache/
	key: ${{ runner.os }}-21-11-02-${{ env.TOOLCHAIN_URL }}

	- name: Install Toolchain
	if: steps.cache-toolchain.outputs.cache-hit != 'true'
	run: \|
	mkdir -p ~/cache/toolchain
	wget --progress=dot:mega $TOOLCHAIN_URL -O toolchain.tar.gz
	tar -C ~/cache/toolchain -xaf toolchain.tar.gz

	- name: Set Toolchain Path
	run: echo >> $GITHUB_PATH `echo ~/cache/toolchain/*/bin`

	- name: Get Dependencies
	run: python3 tools/get_deps.py ${{ matrix.family }}

	- name: Build
	run: python3 tools/build_make.py ${{ matrix.family }}

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