Add github action for portability tests #2

	name: Testing portability (OS and python version)

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

	jobs:
	test:
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: ["ubuntu-20.04", "ubuntu-latest", "macos-latest"]
	python-version: ["3.10", "pypy2.7", "pypy3.9", "graalpy-22.3"]
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Analyze /bin/sh
	run: \|
	python ./cpu_rec.py /bin/sh
	- name: Analyze /bin/sh with LRGH's elfesteem
	run: \|
	git clone https://github.com/LRGH/elfesteem
	export PYTHONPATH=./elfesteem
	python ./cpu_rec.py /bin/sh
	rm -rf elfesteem
	- name: Analyze /bin/sh with airbus-seclab's elfesteem
	run: \|
	git clone https://github.com/airbus-seclab/elfesteem
	export PYTHONPATH=./elfesteem
	python ./cpu_rec.py /bin/sh
	rm -rf elfesteem

	python23:
	runs-on: "ubuntu-latest"
	strategy:
	fail-fast: false
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python 2.3
	run: \|
	cd ..
	curl -O https://www.python.org/ftp/python/2.3.7/Python-2.3.7.tgz
	tar xzf Python-2.3.7.tgz
	cd Python-2.3.7
	# We need to disable FORTIFY_SOURCE to compile python 2.3
	# cf. https://bugs.launchpad.net/ubuntu/+source/gcc-defaults/+bug/286334
	./configure BASECFLAGS=-U_FORTIFY_SOURCE
	make
	export PATH=$(pwd):$PATH
	cd ../cpu_rec
	python -c 'import sys;print(sys.version)'
	- name: Install elfesteem
	run: \|
	git clone https://github.com/LRGH/elfesteem
	- name: Analyze /bin/sh
	run: \|
	python ./cpu_rec.py /bin/sh

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