Source code issues

So i've recently been getting into the whole Homebrew thing and started to learn to compile source code for apps like Portal3DS and Ironhax but when I do so i'm running into problems and then the Compilations Terminate heres the following that I get when trying to Compile Ironhax

Jaydons-iMac:~ jaydonrobinson$ git clone https://github.com/smealum/sploit_installer.git
fatal: destination path 'sploit_installer' already exists and is not an empty directory.
Jaydons-iMac:~...

Source code issues