Sound and Battles are broken about pokered HOT 3 CLOSED

#!/bin/bash
echo "Installing Dependencies..."
sudo apt-get install byacc flex pkg-config libpng-dev
echo "Done installing dependencies"
echo "Cloning pret pokered..."
git clone --recursive https://github.com/pret/pokered
echo "Done cloning"
echo "Cloning rednex rgbds..."
git clone --recursive https://github.com/rednex/rgbds
echo "Done cloning"
cd rgbds
echo "Building rgbds v0.2.5..."
git checkout v0.2.5
make
cp rgb* ../pokered
echo "Done building"
cd ../pokered
echo "Fixing makefile so rgbds doesn't have to be installed..."
cat Makefile | sed 's/rgb/\.\/rgb/g' > Makefile2
mv Makefile Makefile.bak
mv Makefile2 Makefile
echo "Done fixing"
echo "Building pokered..."
make
echo "Done building"