docs: update README #545

	name: build
	on:
	push:
	pull_request:

	jobs:
	clang_format:
	runs-on: ubuntu-latest
	steps:
	- name: Check out code
	uses: actions/checkout@v4

	- name: Lint code formatting
	run: \|
	clang-format-15 -i /.[ch]
	git diff
	git status --porcelain \| grep -q '^ M' && exit 1 \|\| exit 0

	ruff:
	runs-on: ubuntu-latest
	steps:
	- name: Check out code
	uses: actions/checkout@v4

	- name: Install flake8
	run: sudo pip install ruff

	- name: Lint Python code
	run: ruff check

	- name: Lint Python code formatting
	run: \|
	ruff format
	git diff
	git status --porcelain \| grep -q '^ M' && exit 1 \|\| exit 0

	check:
	runs-on: ubuntu-latest
	steps:
	- name: Check out code
	uses: actions/checkout@v4

	- name: apt update
	run: sudo apt update

	- name: Install dependencies
	run: sudo apt install libbsd-dev libidn2-dev libjansson-dev libmilter-dev libssl-dev

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	# 3.8 is listed last because it's the lowest version we support for
	# tests, so we want to use it as the default.
	python-version: \|
	3.7
	3.9
	3.10
	3.11
	3.12
	3.13
	3.8

	- name: Install Python dependencies
	run: sudo pip install pytest miltertest

	- name: Build OpenARC
	run: \|
	autoreconf -fiv
	CFLAGS='-Wall -Werror' ./configure
	make -j4

	- name: Test OpenARC
	run: \|
	make check

	- name: Build OpenARC with clang
	run: \|
	make distclean
	CC=clang ./configure
	make -j4 CFLAGS='-Wall -Werror'

	- name: Build OpenARC without Jansson
	run: \|
	make distclean
	CC=clang ./configure --without-jansson
	make -j4

	- name: Build OpenARC without milter
	run: \|
	make distclean
	CC=clang ./configure --disable-filter
	make -j4

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