DOC: Document that GIL must be grabbed (and Py_IsInitialized()) #68

	name: Build Doc

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	test_linux:
	name: Linux
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	with:
	submodules: recursive

	- name: Configuring Test Environment
	run: \|
	sudo apt-get update
	sudo apt-get -y install build-essential doxygen
	python3 -m pip install -U pip wheel
	python3 -m pip install cmake ninja

	python3 --version
	python3 -m pip --version
	doxygen --version
	make --version
	cmake --version
	ninja --version

	- name: Installing dependencies
	run: \|
	python3 -m pip install -r doc_requirements.txt

	- name: Testing CMakeLists.txt
	run: \|
	mkdir build
	cd build
	cmake .. -G Ninja -DCMAKE_INSTALL_PREFIX=./install -DBUILD_DOCS=ON
	ninja
	ninja install

	- name: Testing Makefile
	run: \|
	make doc

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