autoconf: Don't use generated file as sentinel #61

	name: ci

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

	jobs:
	build_devcontainer:
	name: Build (Devcontainer)
	runs-on: ubuntu-latest
	env:
	TAG: cpython-devcontainer:1.0.0-${{ github.run_id }}
	steps:
	- name: Checkout Push to Registry action
	uses: actions/checkout@v4
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3
	- name: Build Dockerfile
	uses: docker/build-push-action@v6
	with:
	context: ./devcontainer
	load: true
	tags: ${{ env.TAG }}

	build_autoconf:
	name: Build and test (Autoconf)
	strategy:
	fail-fast: false
	matrix:
	autoconf_version: ["2.69", "2.71", "2.72"]
	runs-on: ubuntu-latest
	env:
	TAG: autoconf:${{ matrix.autoconf_version }}-${{ github.run_id }}
	steps:
	- name: Checkout Push to Registry action
	uses: actions/checkout@v4
	- name: Set up Docker Buildx
	uses: docker/setup-buildx-action@v3
	- name: Build Dockerfile
	uses: docker/build-push-action@v6
	with:
	context: ./autoconf
	build-args: AUTOCONF_VERSION=${{ matrix.autoconf_version }}
	load: true
	tags: ${{ env.TAG }}
	- name: Test
	run: docker run --rm $TAG autoconf --version \| grep ${{ matrix.autoconf_version }}

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