add Github Acctions to automatically build on push #4

	name: Build and Test

	on: [push]

	jobs:
	build-and-test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	compiler: [gcc, clang]

	steps:
	- name: Checkout code
	uses: actions/checkout@v2

	- name: Cache directories
	uses: actions/cache@v2
	with:
	path: ~/.cache
	key: ${{ runner.os }}-cache

	- name: Install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install lcov

	- name: Create build directory
	run: mkdir build

	- name: Configure CMake
	run: \|
	cd build
	cmake .. -DCODE_COVERAGE=ON -DEXAMPLES=OFF

	- name: Build and test
	run: \|
	cd build
	make
	make test

	- name: Collect code coverage
	run: \|
	lcov --directory . --capture --output-file coverage.info
	lcov --remove coverage.info '/usr/' "${HOME}"'/.cache/' --output-file coverage.info
	lcov --list coverage.info

	- name: Upload code coverage to Codecov
	run: \|
	bash <(curl -s https://codecov.io/bash) \|\| echo "Codecov did not collect coverage reports"

	- name: Upload code coverage to GitHub
	uses: actions/upload-artifact@v2
	with:
	name: coverage
	path: coverage.info

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