Add sound multiplexer auto-detection when building #678

	name: CI

	on: [push, pull_request]

	jobs:
	semu-linux:
	runs-on: ubuntu-24.04
	strategy:
	matrix:
	dependency:
	- ""
	- "libpulse-dev"
	- "libjack-jackd2-dev"
	- "libpulse-dev libjack-jackd2-dev"
	steps:
	- name: checkout code
	uses: actions/checkout@v4
	- name: install-dependencies
	run: \|
	sudo apt-get install build-essential device-tree-compiler expect
	sudo apt-get install libasound2-dev libudev-dev
	- name: Parse sound multiplexer dependencies
	run: \|
	DEPS="${{ matrix.apt_deps }}"
	echo "deps_raw=$DEPS" >> $GITHUB_OUTPUT
	if [[ -z "$DEPS" \|\| "$DEPS" == "none" ]]; then
	echo "has_deps=false" >> $GITHUB_OUTPUT
	else
	echo "has_deps=true" >> $GITHUB_OUTPUT
	fi
	- name: install sound multiplexer
	if: steps.deps.outputs.has_deps == 'true'
	run: \|
	echo "Installing sound multiplexer packages: ${{ steps.deps.outputs.deps_raw }}"
	sudo apt-get update
	sudo apt-get install -y ${{ steps.deps.outputs.deps_raw }}
	- name: default build
	run: make
	shell: bash
	- name: automated test
	run: .ci/autorun.sh
	shell: bash
	- name: netdev test
	run: .ci/test-netdev.sh
	shell: bash
	if: ${{ success() }}

	semu-macOS:
	runs-on: macos-latest
	steps:
	- uses: actions/checkout@v4
	- name: install-dependencies
	run: \|
	brew install make dtc expect e2fsprogs
	- name: default build
	run: make
	shell: bash
	- name: automated test
	run: .ci/autorun.sh
	shell: bash

	coding_style:
	runs-on: ubuntu-24.04
	steps:
	- uses: actions/checkout@v4
	- name: coding convention
	run: \|
	sudo apt-get install -q -y clang-format-18
	.ci/check-format.sh
	shell: bash

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