fix: constraint at root can conflict #144

	on:
	push:
	branches:
	- "main"
	pull_request:

	name: C++

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

	jobs:
	format:
	name: Format and Lint
	runs-on: ubuntu-latest
	steps:
	- name: Checkout source code
	uses: actions/checkout@v4

	- uses: prefix-dev/[email protected]
	with:
	environments: format-cpp

	- name: Ensure code is properly formatted
	run: \|
	pixi run format-cpp
	git diff --exit-code

	test:
	name: Test
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-20.04, macOS-latest, macOS-14, windows-latest ]
	runs-on: ${{ matrix.os }}
	needs: [ format ]
	steps:
	- name: Checkout source code
	uses: actions/checkout@v4

	- uses: prefix-dev/[email protected]
	with:
	environments: test-cpp

	- name: Run the tests
	run: \|
	pixi run test-cpp

	package:
	name: Create conda packages
	strategy:
	matrix:
	include:
	- os: ubuntu-latest
	target-platform: linux-64
	- os: ubuntu-latest
	target-platform: linux-aarch64
	- os: windows-latest
	target-platform: win-64
	- os: macos-latest
	target-platform: osx-64
	- os: macos-14
	target-platform: osx-arm64
	runs-on: ${{ matrix.os }}
	needs: [ format ]
	steps:
	- name: Checkout source code
	uses: actions/checkout@v4
	- name: Build conda package
	uses: prefix-dev/[email protected]
	with:
	recipe-path: recipe/recipe.yaml
	# needs to be unique for each matrix entry
	artifact-name: package-${{ matrix.target-platform }}
	build-args: --target-platform ${{ matrix.target-platform }}${{ matrix.target-platform == 'linux-aarch64' && ' --no-test' \|\| '' }}

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