Skip locale check if `std::locale` fails. #1834

	name: Run tests
	on: [pull_request, push]

	env:
	apt_options: -o Acquire::Retries=3

	jobs:
	build:
	name: Run tests on ${{ matrix.os }}.${{ matrix.compiler.CC }}
	runs-on: ${{ matrix.os }}

	# Run on external PRs, but not internal PRs as they'll be run by the push
	if: github.event_name == 'push' \|\| github.event.pull_request.head.repo.full_name != github.repository

	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest]
	compiler:
	- {CC: clang, CXX: clang++}
	- {CC: gcc, CXX: g++}
	exclude:
	- os: macos-latest
	compiler: {CC: gcc, CXX: g++}

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	submodules: 'true'

	- name: Setup python
	uses: actions/setup-python@v5
	with:
	python-version: '3.10'

	- name: Install packages on Linux
	if: runner.os == 'Linux'
	run: \|
	sudo apt-get ${{env.apt_options}} update -y
	sudo apt-get ${{env.apt_options}} install -y build-essential libhdf5-dev language-pack-de

	- name: Install packages on MacOS
	if: runner.os == 'macOS'
	run: \|
	# { work around https://github.com/actions/setup-python/issues/577
	#brew update
	#brew --version
	export HOMEBREW_NO_AUTO_UPDATE=1
	# }
	brew install cmake \|\| true # macos image has cmake installed, but a new version may exist; ignore it if so
	brew install hdf5

	- name: Build and run unittests
	env:
	CC: ${{ matrix.compiler.CC }}
	CXX: ${{ matrix.compiler.CXX }}
	run: \|
	locale -a
	./ci/python_test.sh
	./ci/cpp_test.sh
	./ci/cpp_test.sh "-DMORPHIO_USE_DOUBLE=ON"

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