git clone --recursive https://github.com/mdecicco/sr2.git

or

git clone https://github.com/mdecicco/sr2.git

git submodule update --init

create directory (repo root)/bin/resource/data download and extract the following files to that directory:

http://download1477.mediafire.com/i2g7sgrp4aug/cxepis8wn344lcu/sr.zip http://download2268.mediafire.com/fzoxwkvbmrkg/x9o8n4hzll66b73/ramshop.zip

Use cmake to generate the build files at (repo root)/build