CMake: Shrot term fix for CMakeFetchContent setting CMP0135 to OLD #428

	# Lint the project using cpplint
	name: Lint

	on:
	push:
	branches:
	- '**'
	paths:
	- "**"
	- "!.github/**"
	- ".github/workflows/Lint.yml"
	pull_request:

	defaults:
	run:
	shell: bash

	jobs:
	cpplint:
	runs-on: ${{ matrix.cudacxx.os }}
	name: "cpplint (${{ matrix.cudacxx.cuda }}, ${{ matrix.cudacxx.os }})"
	strategy:
	fail-fast: false
	# Multiplicative build matrix
	# optional exclude: can be partial, include: must be specific
	matrix:
	cudacxx:
	- cuda: "11.0"
	os: ubuntu-20.04
	env:
	# Define constants
	BUILD_DIR: "build"
	BUILD_TESTS: "ON"
	# Port matrix options to environment, for more portability.
	CUDA: ${{ matrix.cudacxx.cuda }}
	OS: ${{ matrix.cudacxx.os }}

	steps:
	- uses: actions/checkout@v3

	- name: Install cpplint
	run: \|
	python3 -m pip install cpplint
	echo "$HOME/.local/bin" >> $GITHUB_PATH

	- name: Add custom problem matchers for annotations
	run: echo "::add-matcher::.github/problem-matchers.json"

	- name: Configure cmake
	run: >
	cmake . -B "${{ env.BUILD_DIR }}"
	-DFLAMEGPU_ALLOW_LINT_ONLY=ON

	- name: Lint
	working-directory: ${{ env.BUILD_DIR }}
	run: cmake --build . --target all_lint --verbose -j `nproc`

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