Fix define in cmakelists and update README with commands for cloning … #10

	name: build Circuit Artist artifacts
	on: [ push ]

	jobs:
	build-artifacts:
	strategy:
	matrix:
	kinds:
	- machine: macos-12
	# language=sh
	build: \|
	set -euo pipefail
	mkdir objdir
	cd objdir
	cmake -G 'Unix Makefiles' -DCMAKE_VERBOSE_MAKEFILE=ON ..
	echo 'Working around a custom_command silly ...' >&2
	make -C ../LuaJIT \|\| true
	ls -la ../LuaJIT/src/*.so
	cmake --build .
	ls -la
	- machine: windows-2019
	# thankfully, windows-2019 ships with cmake in %ProgramFiles%
	# language=PowerShell
	build: \|
	mkdir objdir
	cd objdir
	cmake ..
	echo "Working around a custom_command silly ..."
	make -C ../LuaJIT
	echo "let CI pass for the time being, showing it compiles"
	$ErrorActionPreference = 'Continue'
	cmake --build .
	gci -Verbose -Force

	runs-on: ${{ matrix.kinds.machine }}
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: 'true'
	- name: cache luajit download
	uses: actions/cache@v4
	with:
	key: ${{ hashFiles('CMakeLists.txt') }}
	path: \|
	third_party/*.gz
	- name: doit
	run: ${{ matrix.kinds.build }}
	- name: capture built artifact
	uses: actions/upload-artifact@v4
	with:
	name: built circuit-artifact executable
	# this in lieu of messing with CPack
	path: \|
	objdir/ca*
	objdir/*.dll
	objdir/*.dylib
	objdir/*.so
	LuaJIT/src/*.dll
	LuaJIT/src/*.dylib
	LuaJIT/src/*.so
	retention-days: 7 # shrug

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