Allow Cabal to recognize swarm as a library. #487

	name: Haskell-CI-Windows
	on:
	push:
	paths:
	- '**.hs'
	- '**.sw'
	- '**.cabal'
	- '*.yaml'
	- 'data/**.yaml'
	- '.github/workflows/haskell-ci-windows.yml'
	branches:
	- "main"
	# reuse the same filter for pull-requests
	pull_request:
	paths:
	- '**.hs'
	- '**.sw'
	- '**.cabal'
	- 'stack.yaml'
	- '*.yaml'
	- 'data/**.yaml'
	- '.github/workflows/haskell-ci-windows.yml'
	branches:
	- "main"
	jobs:
	windows:
	name: Haskell-CI - ${{ matrix.os }} - ghc-${{ matrix.ghc }}
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [windows-latest]
	cabal: ["3.10.1.0"]
	ghc: ["9.8.2"]
	timeout-minutes:
	60

	steps:
	- uses: actions/checkout@v4
	if: github.event.action == 'opened' \|\| github.event.action == 'synchronize' \|\| github.event.ref == 'refs/heads/main'

	- uses: haskell-actions/setup@v2
	id: setup-haskell-cabal
	name: Setup Haskell
	with:
	ghc-version: ${{ matrix.ghc }}
	cabal-version: ${{ matrix.cabal }}

	- name: Configure
	run: cabal configure --enable-tests --enable-benchmarks --test-show-details=direct

	- name: Freeze
	run: cabal freeze

	- uses: actions/cache@v4
	name: Cache ~/.cabal/store
	with:
	path: ${{ steps.setup-haskell-cabal.outputs.cabal-store }}
	key: ${{ runner.os }}-${{ matrix.ghc }}-${{ hashFiles('cabal.project.freeze') }}
	restore-keys: \|
	${{ runner.os }}-${{ matrix.ghc }}-${{ hashFiles('cabal.project.freeze') }}
	${{ runner.os }}-${{ matrix.ghc }}-

	- name: Install dependencies
	run: cabal build all --only-dependencies

	- name: Build
	run: cabal build all

	- name: Test
	run: cabal test all

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