Fix compilation for Linux #1613

	name: Linux (OpenGL)

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: Apt Update
	run: sudo apt update
	- name: Apt Install
	run: sudo apt-get install libasound2-dev libxinerama-dev libxrandr-dev libgl1-mesa-dev libxi-dev libxcursor-dev libudev-dev libwayland-dev wayland-protocols libxkbcommon-dev ninja-build --yes --quiet
	- name: Get Submodules
	run: ./get_dlc
	- name: Compile
	run: ./make -g opengl --kinc . --from Tests/Empty --compile
	- name: Clean
	run: rm -r build
	- name: Get ImageMagick and xvfb
	run: sudo apt install imagemagick xvfb
	- name: Compile Test 1
	run: ./make -g opengl --kinc . --from Tests/Shader --compile
	- name: Copy Test 1
	run: cp build/Release/ShaderTest Tests/Shader/Deployment/ShaderTest
	- name: Run Test 1
	working-directory: ./Tests/Shader/Deployment
	run: xvfb-run ./ShaderTest
	- name: Check Test 1
	run: compare-im6 -metric mae Tests/Shader/reference.png Tests/Shader/Deployment/test.png difference.png
	- name: Compile Test 2 (SIMD)
	run: ./make -g opengl --kinc . --from Tests/SIMD --compile
	- name: Copy Test 2
	run: cp build/Release/SIMD Tests/SIMD/Deployment/SIMD
	- name: Run Test 2
	working-directory: ./Tests/SIMD/Deployment
	run: ./SIMD

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