Update Nintendo Switch build #303

	# The purpose of this workflow is to verify that we are compatible with older versions of CMake than available through
	# the ubuntu package sources
	name: Old CMake
	on:
	push:
	branches:
	- "master"
	pull_request:
	branches:
	- "master"
	workflow_dispatch:
	jobs:
	Build:
	runs-on: ubuntu-20.04
	env:
	CMAKE_VERSION: 3.7.0
	steps:
	- name: Setup Linux
	run: \|
	sudo apt-get update
	sudo apt-get install \
	libsdl2-dev \
	libphysfs-dev \
	libboost-dev
	- uses: actions/checkout@v2
	- name: Get CMake
	# note: newer versions of cmake have changed the naming scheme to use lower-case 'linux',
	# which will break this script
	run: \|
	wget -q https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION}/cmake-${CMAKE_VERSION}-Linux-x86_64.tar.gz
	tar -xf cmake-${CMAKE_VERSION}-Linux-x86_64.tar.gz
	mv cmake-${CMAKE_VERSION}-Linux-x86_64 old-cmake
	- name: Configure CMake and Build
	run: \|
	echo "Using CMake"
	old-cmake/bin/cmake --version
	echo "Configuring"
	old-cmake/bin/cmake .
	echo "Building"
	old-cmake/bin/cmake --build .

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