ci: Upgrade C++ compiler on Ubuntu Focal to support C++20 compilation. #70

	name: "unit-tests"

	on:
	pull_request:
	push:
	schedule:
	# Run daily at 00:15 UTC (the 15 is to avoid periods of high load)
	- cron: "15 0 * * *"
	workflow_dispatch:

	permissions: {}

	concurrency:
	group: "${{github.workflow}}-${{github.ref}}"

	# Cancel in-progress jobs for efficiency
	cancel-in-progress: true

	jobs:
	build-ystdlib-cpp:
	strategy:
	matrix:
	os:
	- "macos-latest"
	- "ubuntu-20.04"
	- "ubuntu-22.04"
	- "ubuntu-24.04"
	runs-on: "${{matrix.os}}"
	steps:
	- uses: "actions/checkout@v4"
	with:
	submodules: "recursive"

	- uses: "actions/setup-python@v5"
	with:
	python-version: "3.11"

	- name: "Install task"
	shell: "bash"
	run: "npm install -g @go-task/cli"

	- if: "matrix.os == 'macos-latest'"
	name: "Install coreutils (for md5sum)"
	run: "brew install coreutils"

	- if: "matrix.os == 'ubuntu-20.04'"
	name: "Install gcc-10 (for c++20)"
	run: \|-
	sudo ${{github.workspace}}/tools/scripts/install-gcc-10.sh
	echo "export CC=/usr/bin/gcc-10" >> ~/.bashrc
	echo "export CXX=/usr/bin/g++-10" >> ~/.bashrc
	source ~/.bashrc
	ls ~/.bashrc
	cat ~/.bashrc
	command -v gcc-10
	command -v g++-10

	- name: "Log tool versions"
	run: \|-
	md5sum --version
	python --version
	tar --version
	task --version

	# TODO: Change the task to run all unittests once any unittest is added. Until then we check
	# that building the project succeeds.
	- run: "task build:target"

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