cleanup/notes #631

	name: crossbuild windows

	on:
	push:
	branches:
	- master

	jobs:
	win-build:
	strategy:
	matrix:
	os: [ ubuntu-22.04 ]
	runs-on: ${{ matrix.os }}
	steps:
	- name: Checkout repository
	uses: actions/checkout@v3

	- name: Update submodules
	run: 'git submodule update --init --recursive'

	- name: Build
	run: 'make; make describe'

	- name: Install MinGW toolchain
	run: 'sudo apt install gcc-mingw-w64-i686 gcc-mingw-w64-x86-64 -y'

	- name: Install 32-bit subsystem
	run: 'sudo dpkg --add-architecture i386; sudo apt update'

	- name: Install wine (32- and 64-bit both)
	run: 'sudo apt install wine32 wine64'

	- name: Start Virtual Framebuffer for Wine
	run: 'sudo apt install xvfb; Xvfb :0 -screen 0 1024x768x16 &'

	- name: Create wine prefix
	run: 'wine cmd /c echo Wine environment created for %PROCESSOR_IDENTIFIER%'

	- name: Regression tests
	run: 'DEV_MACHINE=1 HAS_32CDEFS=0 HAS_64CDEFS=0 DISPLAY=:0.0 make check'

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