fix clang builds #286

	name: Documentation

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

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2

	- name: install packages
	run: \|
	sudo apt-get install doxygen
	pip install sphinx
	pip install breathe
	pip install sphinx-rtd-theme
	- name: make docs
	run: make -B docs
	- name: Commit changes
	uses: EndBug/add-and-commit@v7
	with:
	author_name: github-actions
	author_email: [email protected]
	message: 'Update documentation'
	add: -u docs

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