fix build on darwin #19

	name: CI

	on:
	# Filter on branch so this isn't double-run on a PR's push
	push:
	tags:
	- v*
	- version*
	branches:
	- main
	pull_request:

	permissions:
	# none-all, which doesn't exist, but
	# https://docs.github.com/en/actions/reference/authentication-in-a-workflow#using-the-github_token-in-a-workflow
	# implies that the token still gets created. Elsewhere we learn that any
	# permission not mentioned here gets turned to `none`.
	actions: none

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: test
	run: make test

	fmt-lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- uses: jidicula/clang-format-action@v4.3.1
	with:
	fallback-style: "Google"

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