Add workflow to build binaries #7

	name: Build su-exec

	on:
	push:
	pull_request:

	jobs:
	build-ubuntu:
	name: Ubuntu build
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Install build deps
	run: \|
	sudo apt-get update
	sudo apt-get install -y build-essential

	- name: Build
	run: make

	- name: Show binary info
	run: \|
	ls -l su-exec
	file su-exec

	build-static:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	include:
	- platform: linux/amd64
	arch: amd64
	- platform: linux/arm64
	arch: arm64
	- platform: linux/ppc64le
	arch: ppc64le
	- platform: linux/riscv64
	arch: riscv64
	- platform: linux/s390x
	arch: s390x
	- platform: linux/arm/v7
	arch: armv7
	- platform: linux/386
	arch: x86

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Enable QEMU
	uses: docker/setup-qemu-action@v3
	with:
	platforms: all

	- name: Build static inside Alpine (${{ matrix.arch }})
	shell: bash
	run: \|
	set -euxo pipefail

	docker run --rm \
	--platform=${{ matrix.platform }} \
	-e HOST_UID="$(id -u)" \
	-e HOST_GID="$(id -g)" \
	-v "$PWD":/src -w /src \
	alpine:3.22 \
	sh -exc '
	apk add --no-cache build-base musl-dev musl-static make file
	make clean
	make su-exec
	./su-exec "$HOST_UID:$HOST_GID" make su-exec-static
	./su-exec "$HOST_UID:$HOST_GID" strip su-exec-static
	file su-exec-static
	'

	mv su-exec-static su-exec-static-${{ matrix.arch }}

	- name: Upload artifact (${{ matrix.arch }})
	uses: actions/upload-artifact@v4
	with:
	name: su-exec-static-${{ matrix.arch }}
	path: su-exec-static-${{ matrix.arch }}

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