build

sys: copy files only if needed #38

	name: build

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

	env:
	CARGO_TERM_COLOR: always

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macOS-latest]
	rust: [stable]
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: "recursive"
	- name: Install dependencies
	run: \|
	sudo apt-get -qq update
	sudo apt install build-essential cmake
	shell: bash
	if: matrix.os == 'ubuntu-latest'
	- name: Cache LLVM and Clang
	id: cache-llvm
	uses: actions/cache@v2
	with:
	path: ${{ runner.temp }}/llvm
	key: llvm-11.0
	if: matrix.os == 'windows-latest'
	- name: Install LLVM and Clang
	uses: KyleMayes/install-llvm-action@v1
	with:
	version: "11.0"
	directory: ${{ runner.temp }}/llvm
	cached: ${{ steps.cache-llvm.outputs.cache-hit }}
	if: matrix.os == 'windows-latest'
	- name: Install Rust toolchain
	uses: actions-rs/toolchain@v1
	with:
	toolchain: ${{ matrix.rust }}
	components: rustfmt
	override: true
	- name: Verify versions
	run: rustc --version && rustup --version && cargo --version
	- name: Cargo Build
	run: cargo build --verbose
	- name: Build examples
	run: cargo build --examples
	- name: Run tests
	run: cargo test --verbose --all -- --test-threads=1
	- name: Check code style
	run: cargo fmt -- --check

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