build

Merge pull request #338 from jmid/README-updates #491

	name: build
	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main
	jobs:
	run:
	name: Build
	strategy:
	fail-fast: false
	matrix:
	os:
	- macos-latest
	- ubuntu-latest
	- windows-latest
	ocaml-compiler:
	- "4.08"
	- "4.12"
	- "4.14"
	- "5.0"
	- "5.2"
	- "5.3"
	exclude:
	- os: macos-latest
	ocaml-compiler: "4.08"
	- os: windows-latest
	ocaml-compiler: "4.08"
	- os: windows-latest
	ocaml-compiler: "4.12"
	runs-on: ${{ matrix.os }}
	steps:
	- uses: actions/checkout@v4
	- uses: ocaml/setup-ocaml@v3
	with:
	ocaml-compiler: ${{ matrix.ocaml-compiler }}
	- run: opam update -y
	- run: opam install . --deps-only --with-test
	- run: opam exec -- dune build
	- run: opam exec -- dune runtest

	i386:
	strategy:
	fail-fast: false
	matrix:
	container-image:
	- ocaml/opam:debian-12-ocaml-4.14
	- ocaml/opam:debian-12-ocaml-5.3
	runs-on: ubuntu-latest
	container:
	image: ${{ matrix.container-image }}
	options: --platform linux/i386
	steps:
	# GitHub insists on HOME=/github/home which clashes with the opam image setup
	- name: Setup, init, and update opam
	run: \|
	sudo cp /usr/bin/opam-2.3 /usr/bin/opam
	cd /home/opam && HOME=/home/opam opam init -y
	git -C /home/opam/opam-repository pull origin master && HOME=/home/opam opam update -y
	- name: Checkout repository
	# See https://github.com/actions/checkout/issues/334
	uses: actions/checkout@v1
	- name: Setup repo and install dependencies
	run: \|
	sudo chown -R opam:opam .
	HOME=/home/opam opam install . --deps-only --with-test
	- name: Build
	run: HOME=/home/opam opam exec -- dune build
	- name: Run the testsuite
	run: HOME=/home/opam opam exec -- dune runtest

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