gpu ======= example of how to use the GPU with libctru before trying to compile, make sure to download aemstro ( https://github.com/smealum/aemstro reflog: 51bfeef9e1a0149726dca43b50919bd45917015a ) and update AEMSTRO environment variable with the proper path You'll also need to install Python 3 and have that in your path.