[INFRA] Add fallback for cmake < 3.30 #162

	# SPDX-FileCopyrightText: 2006-2024 Knut Reinert & Freie Universität Berlin
	# SPDX-FileCopyrightText: 2016-2024 Knut Reinert & MPI für molekulare Genetik
	# SPDX-License-Identifier: CC0-1.0

	name: Linux

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

	concurrency:
	group: linux-${{ 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:
	runs-on: ubuntu-latest
	name: ${{ matrix.compiler }}
	if: github.repository_owner == 'seqan' \|\| github.event_name == 'workflow_dispatch' \|\| github.event.label.name == 'lint'
	strategy:
	fail-fast: false
	matrix:
	compiler: ["clang-18", "clang-17", "gcc-14", "gcc-13", "gcc-12", "intel"]
	container:
	image: ghcr.io/seqan/${{ matrix.compiler }}
	volumes:
	- /home/runner:/home/runner
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Load ccache
	uses: actions/cache@v4
	with:
	path: /home/runner/.ccache
	save-always: true
	key: ccache-${{ runner.os }}-${{ github.workflow }}-${{ matrix.compiler }}-${{ github.ref }}

	- name: Configure tests
	run: \|
	mkdir build && cd build
	cmake .. -DCMAKE_BUILD_TYPE=Release
	make gtest_main

	- name: Build tests
	working-directory: build
	run: \|
	ccache -z
	make -k tests
	ccache -svvx

	- name: Run tests
	working-directory: build
	run: ctest -j --output-on-failure --test-dir test

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