fixed the issue when build with cmake #44

	name: test build

	on: [push, pull_request]

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	max-parallel: 7
	matrix:
	python-version: ["2.7", "3.5", "3.6", "3.7", "3.8", "3.9", "3.10", "3.11"]
	cmake-version: ["3.7.2"]

	steps:
	- uses: actions/checkout@master
	- name: Get submodules
	run: \|
	git submodule update --init --recursive
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v1
	with:
	version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	- name: Test build
	run: \|
	cd examples/demo1
	python project.py build
	python project.py rebuild
	ls -al build/demo1 \| awk '{print "program file size: " $5 "B"}'
	python project.py run
	python project.py clean
	python project.py distclean
	python project.py build --release
	ls -al build/demo1 \| awk '{print "program file size: " $5 "B"}'
	python project.py distclean

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