try ld classic #279

	name: CI

	on:
	push:
	pull_request:
	branches: [master]
	schedule:
	- cron: '0 6 * * 6'

	jobs:
	build:
	env:
	LDFLAGS: '-Wl,-ld_classic'
	strategy:
	fail-fast: false
	matrix:
	include:
	- crystal: nightly
	os: ubuntu-latest
	- crystal: latest
	os: macos-13
	runs-on: ${{matrix.os}}
	steps:
	- name: Download source
	uses: actions/checkout@v4
	- name: Install Crystal
	uses: oprypin/install-crystal@v1
	with:
	crystal: ${{matrix.crystal}}
	- name: Install SFML
	uses: oprypin/install-sfml@v1
	with:
	sfml: '2.5.1'
	- name: Cache Chipmunk
	id: cache-chipmunk
	uses: actions/cache@v4
	with:
	path: chipmunk
	key: chipmunk-9a051e6fb970c7afe09ce2d564c163b81df050a8-${{runner.os}}-${{runner.arch}}
	- name: Download Chipmunk source
	if: steps.cache-chipmunk.outputs.cache-hit != 'true'
	uses: actions/checkout@v4
	with:
	repository: slembcke/Chipmunk2D
	ref: 9a051e6fb970c7afe09ce2d564c163b81df050a8
	path: chipmunk
	- name: Configure Chipmunk
	working-directory: chipmunk
	run: \|
	cmake . -DBUILD_DEMOS=OFF -DCMAKE_BUILD_TYPE=Release
	- name: Build Chipmunk
	if: steps.cache-chipmunk.outputs.cache-hit != 'true'
	working-directory: chipmunk
	run: \|
	cmake --build . -j4
	- name: Install Chipmunk
	working-directory: chipmunk
	run: \|
	sudo make install
	- name: Set up environment
	run: \|
	echo "LD_LIBRARY_PATH=/usr/local/lib" >>$GITHUB_ENV
	- name: Install shards
	run: \|
	shards install
	- name: Run tests
	run: \|
	crystal spec
	- name: Build examples
	run: \|
	shards build
	- name: Run example
	run: \|
	bin/hello

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