Add explicit linking to `atomic` library when required #11

	# This handles formatting for C/C++ source code and cmake code
	name: formatting

	on:
	push:
	branches: [ master, develop ]
	pull_request:
	branches: [ master, develop ]

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	cxx-formatting:
	runs-on: ubuntu-20.04

	steps:
	- uses: actions/checkout@v2
	- name: Install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y clang-format-9 cmake
	- name: clang-format
	run: \|
	cmake -B build-PTL -DPTL_USE_TBB=OFF .
	cmake --build build-PTL --target format-source
	rm -rf build-PTL
	if [ $(git diff \| wc -l) -gt 0 ]; then
	echo -e "\nError! Source code not formatted. Run clang-format-9...\n"
	echo -e "\nFiles:\n"
	git diff --name-only
	echo -e "\nFull diff:\n"
	git diff
	exit 1
	fi

	cmake-formatting:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python-version: [3.8]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y cmake
	python -m pip install --upgrade pip
	pip install cmake-format pyyaml
	- name: cmake format
	run: \|
	cmake -B build-PTL -DPTL_USE_TBB=OFF .
	cmake --build build-PTL --target format-cmake
	rm -rf build-PTL
	if [ $(git diff \| wc -l) -gt 0 ]; then
	echo -e "\nError! CMake code not formatted. Run cmake-format...\n"
	echo -e "\nFiles:\n"
	git diff --name-only
	echo -e "\nFull diff:\n"
	git diff
	exit 1
	fi

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