Install DevkitPPC: Instructions here.

For the purposes of this guide, we will assume you are using a debian-based distro with apt-get.

Install Boost Program Options: sudo apt-get install libboost-program-options-dev

Install ASSIMP: sudo apt-get install libassimp-dev

The easiest way to install dependencies with OS X is using Homebrew. We will assume this is what you are using.

Install Boost: brew install boost

Install ASSIMP: brew install assimp

From the project's root directory:

cd tools/obj2bin_src
make
cd ../..
make