Add macos wheel #8

	name: Wheel::MacOS::ARM

	on:
	pull_request:
	push:
	branches:
	- master
	release:
	types: [published]

	env:
	ARCHS: 'arm64'

	concurrency:
	group: wheel_macos_arm64-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	build_wheels:
	name: Build wheels on ${{ matrix.os }} - ${{ matrix.arch }}
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [macos-11]
	arch: [arm64]

	steps:
	- uses: actions/checkout@v3

	- uses: actions/setup-python@v4
	name: Install Python
	with:
	python-version: '3.9'

	- name: Install cibuildwheel
	run: python3.9 -m pip install cibuildwheel~=2.11.0

	- name: Build wheels
	env:
	CIBW_ARCHS_MACOS: ${{matrix.arch}}

	CIBW_BUILD: "cp38-* cp39-* cp310-* cp311-*"

	CIBW_ENVIRONMENT: \|
	CMAKE_ARGS="-DCMAKE_CXX_COMPILER_TARGET=arm64-apple-macos11 -DCMAKE_SYSTEM_NAME=Darwin -DCMAKE_SYSTEM_PROCESSOR=ARM64 -DENABLE_OPENMP=OFF"

	# MacOS specific build settings
	CIBW_BEFORE_ALL_MACOS: \|
	brew update-reset
	brew fetch --force --bottle-tag=arm64_big_sur mpfr
	brew install $(brew --cache --bottle-tag=arm64_big_sur mpfr)
	brew fetch --force --bottle-tag=arm64_big_sur gmp
	brew install $(brew --cache --bottle-tag=arm64_big_sur gmp)
	#brew install mpfr gmp

	CIBW_BEFORE_BUILD: \|
	python -m pip install pybind11 cmake~=3.24.0

	CIBW_BUILD_VERBOSITY: 1

	run: python3.9 -m cibuildwheel --output-dir wheelhouse

	- uses: actions/upload-artifact@v3
	with:
	path: ./wheelhouse/*.whl

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