[MISC] Clang fixes and CXX standard #92

	name: Ubuntu 20.04

	on:
	push:
	branches:
	- 'main'
	pull_request:
	workflow_dispatch:

	concurrency:
	group: ubuntu2004-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: ${{ github.event_name != 'push' }}

	env:
	TZ: Europe/Berlin

	defaults:
	run:
	shell: bash -Eexuo pipefail {0}

	jobs:
	build:
	name: ${{ matrix.name }}
	runs-on: ubuntu-20.04
	timeout-minutes: 120
	strategy:
	fail-fast: true
	matrix:
	include:
	- name: "clang10 (c++17)"
	compiler: "clang-10"
	build_type: Release
	cpp: 17

	steps:
	- name: Checkout TDL
	uses: actions/checkout@v4
	with:
	path: tdl
	fetch-depth: 2

	- name: Setup toolchain
	uses: seqan/actions/setup-toolchain@main
	with:
	compiler: ${{ matrix.compiler }}
	ccache_size: 25M

	- name: Install CMake
	uses: seqan/actions/setup-cmake@main
	with:
	cmake: 3.15.4

	- name: Configure tests
	run: \|
	mkdir tdl-build
	cd tdl-build
	cmake ../tdl -DCMAKE_BUILD_TYPE=${{ matrix.build_type }} \
	-DCMAKE_CXX_FLAGS="-Wall -Wextra -pedantic" \
	-DCMAKE_CXX_STANDARD=${{ matrix.cpp }}

	- name: Build tests
	run: \|
	ccache -z
	cd tdl-build
	make -k -j2
	ccache -s

	- name: Run tests
	run: \|
	cd tdl-build
	ctest . -j2 --output-on-failure

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