Add a CI job that builds with GCC/G++ 12 on Linux x86_64 #25

	name: Linux x86_64

	on:
	push:
	branches: ["master"]
	pull_request:
	branches: ["master"]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	gcc-version: [10, 12]

	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: "recursive"

	- name: Install dependencies
	run: \|
	sudo apt-get update -q -y
	sudo apt-get install -q -y gcc-${{ matrix.gcc-version }} g++-${{ matrix.gcc-version}} cmake libeigen3-dev libboost-dev

	- name: Build
	run: \|
	mkdir build
	cd build
	export CXXFLAGS="-std=c++14" # this is important to be able to build with g++ newer than v10
	cmake .. -DCMAKE_C_COMPILER=$(which gcc-${{ matrix.gcc-version }}) -DCMAKE_CXX_COMPILER=$(which g++-${{ matrix.gcc-version }})
	make -j
	file iqtree2 \| grep x86-64

	build-aarch64:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout
	uses: actions/checkout@v4
	with:
	submodules: "recursive"

	- name: Build on Linux ARM64
	uses: uraimo/run-on-arch-action@v2
	with:
	arch: aarch64
	distro: ubuntu20.04
	githubToken: ${{ github.token }}
	dockerRunArgs: \|
	--volume "${PWD}:/iqtree2"
	install: \|
	apt-get update -q -y
	apt-get install -q -y cmake gcc g++ file libeigen3-dev libboost-dev
	run: \|
	cd /iqtree2
	mkdir build
	cd build
	cmake ..
	make -j
	file iqtree2 \| grep aarch64

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