Update SFML #62

	name: CI Linux

	# Trigger this workflow on push or pull request
	on: [push, pull_request]

	jobs:
	build:
	name: Build and test (ubuntu-20.04)

	runs-on: ubuntu-20.04

	env:
	CXXFLAGS: -std=c++2a
	LDFLAGS: -L/usr/local/lib

	steps:
	- uses: actions/checkout@v1
	with:
	submodules: recursive

	- name: Install dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y ninja-build libgl1-mesa-dev libgl-dev libx11-dev libxrandr-dev libudev-dev libopenal-dev libvorbis-dev libflac-dev libxcursor-dev

	- name: ccache
	uses: hendrikmuhs/ccache-action@v1
	with:
	key: ubuntu-20.04-RELEASE

	- name: CMake configure
	run: \|
	cd build
	export LD_RUN_PATH="/opt/gcc-latest/lib64"
	cmake -GNinja -DCMAKE_BUILD_TYPE=RELEASE -DSSVOH_HEADLESS_TESTS=1 ..

	- name: Build
	run: ninja -C build

	- name: Copy artifacts
	run: \|
	cp build/SSVOpenHexagon build/OHWorkshopUploader _RELEASE

	- name: Upload artifacts
	uses: actions/upload-artifact@v1
	with:
	name: OpenHexagon-Linux
	path: _RELEASE

	- name: Run tests
	run: \|
	mkdir -p build/test
	cp -R _RELEASE/Packs .
	cp -R _RELEASE/Packs build
	cp -R _RELEASE/Packs build/test
	ninja -C build check

	- name: Check ldd
	run: \|
	ldd build/test/test.Replay.t

Provide feedback