Add test cases for the parallel option. #12

	name: Build and run tests

	on: [ push, pull_request, workflow_dispatch ]

	jobs:
	ubuntu:
	name: Ubuntu
	runs-on: ubuntu-latest
	steps:
	- name: Prepare
	run: \|
	sudo apt-get update
	sudo apt-get install -y autoconf automake
	- name: Check out
	uses: actions/checkout@v4
	- name: Configure
	run: ./autogen.des
	- name: Build
	run: make
	- name: Run tests
	run: make check
	- name: Run distribution tests
	run: make distcheck
	- name: Upload logs
	if: ${{ failure() }}
	uses: actions/upload-artifact@v4
	with:
	name: ubuntu-logs
	path: ./*/.log
	macos:
	name: macOS
	runs-on: macos-latest
	steps:
	- name: Prepare
	run: \|
	brew update
	brew install autoconf automake
	- name: Check out
	uses: actions/checkout@v4
	- name: Configure
	run: ./autogen.des
	- name: Build
	run: make
	- name: Run tests
	run: make check
	- name: Run distribution tests
	run: make distcheck
	- name: Upload logs
	if: ${{ failure() }}
	uses: actions/upload-artifact@v4
	with:
	name: macos-logs
	path: ./*/.log

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