Support for Sigil II #577

	# Workflow syntax:
	# https://help.github.com/en/articles/workflow-syntax-for-github-actions
	name: cpp-linter

	on:
	pull_request:
	types: [opened, reopened, synchronize]
	push:
	branches:
	- master
	paths-ignore:
	- "**.md"
	- "**.yml"

	jobs:
	cpp-linter:
	strategy:
	matrix:
	compiler: [clang]
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Install dependencies
	run: sudo apt-get update && sudo apt-get install libfluidsynth-dev libpng-dev libsamplerate0-dev libsdl2-dev libsdl2-image-dev libsdl2-mixer-dev libsdl2-net-dev ninja-build
	- name: Run cmake to generate compilation database
	run: cmake -S . -B . -G Ninja -DCMAKE_EXPORT_COMPILE_COMMANDS=1
	- uses: cpp-linter/cpp-linter-action@v2
	id: linter
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	with:
	style: file
	lines-changed-only: true
	version: 16
	tidy-checks: >-
	boost-*
	,bugprone-*
	,performance-*
	,readability-*
	,portability-*
	,modernize-*
	,clang-analyzer-*
	,cppcoreguidelines-*
	,-cppcoreguidelines-avoid-magic-numbers
	,-readability-magic-numbers

	- name: Fail fast?!
	if: steps.linter.outputs.checks-failed > 0
	run: \|
	echo "Some files failed the linting checks! Fail fast disabled until false positive issue is fixed"

	- name: Check no extern used in .c files
	run: \|
	./check-extern.sh \|\| true

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