add header for windows #62

	name: CI

	on:
	push:
	branches: [ main, master ]
	pull_request:
	branches: [ main, master ]

	jobs:
	build-linux:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Install build deps
	run: \|
	sudo apt-get update
	sudo apt-get install -y build-essential flex bison zip
	- name: Build
	run: \|
	make clean
	make
	- name: Smoke test
	run: \|
	./retrobasic --help
	- name: Upload artifact
	uses: actions/upload-artifact@v4
	with:
	name: retrobasic-linux
	path: retrobasic

	build-macos:
	runs-on: macos-latest
	steps:
	- uses: actions/checkout@v4
	- name: Install build deps
	run: \|
	brew update
	brew install flex bison
	- name: Build
	run: \|
	make clean
	make
	- name: Smoke test
	run: \|
	./retrobasic --help
	- name: Upload artifact
	uses: actions/upload-artifact@v4
	with:
	name: retrobasic-macos
	path: retrobasic

	build-windows:
	runs-on: windows-latest
	steps:
	- uses: actions/checkout@v4
	- name: Setup MSYS2 / MINGW64
	uses: msys2/setup-msys2@v2
	with:
	msystem: MINGW64
	update: true
	install: \|
	mingw-w64-x86_64-toolchain
	pkgconf
	make
	flex
	bison
	- name: Build (MINGW64)
	shell: msys2 {0}
	run: \|
	make clean RM="rm -f" \|\| true
	make CC=x86_64-w64-mingw32-gcc
	- name: Smoke test (MINGW64)
	shell: msys2 {0}
	run: \|
	./retrobasic.exe --help
	- name: Upload artifact
	uses: actions/upload-artifact@v4
	with:
	name: retrobasic-windows
	path: retrobasic.exe

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