Add -fsigned-char to build flags #7

	name: Deploy Doxygen PDF and Update Docs
	on:
	push:
	branches: ["main"]

	workflow_dispatch:

	permissions:
	contents: write
	id-token: write

	concurrency:
	group: "docs"
	cancel-in-progress: true

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-node@v3
	with:
	node-version: 21

	- name: Install Doxygen
	run: sudo apt-get install -y doxygen

	- name: Install Graphviz
	run: sudo apt-get install -y graphviz

	- name: Run Doxygen
	run: doxygen Doxyfile

	- name: Generate PDF using LaTeX Action
	uses: xu-cheng/latex-action@v2
	with:
	working_directory: docs/latex/
	root_file: refman.tex

	- name: Copy PDF to more visible location in docs and output folder
	run: \|
	mkdir doxygen
	cp ./docs/latex/refman.pdf ./docs/cawlign-doxygen-docs.pdf
	cp ./docs/latex/refman.pdf ./doxygen/cawlign-doxygen-docs.pdf

	- name: Upload Doxygen Docs PDF
	uses: actions/upload-artifact@v4
	with:
	name: Doxygen-PDF
	path: doxygen/cawlign-doxygen-docs.pdf

	- name: Push updated docs to master
	run: \|
	git config --global user.name 'GitHub Actions'
	git config --global user.email 'action@github.com'
	git add docs/

	# Check for changes
	if git diff-index --quiet HEAD --; then
	# No changes
	echo "No changes to commit"
	else
	# Changes detected
	git commit -m "Update Doxygen docs"
	git push
	fi

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