install

#!/bin/bash

#####################################################
## OS X always complains about __nonnull and __wur ##
#####################################################
if [ "${OSTYPE}" == "darwin" ] || [ "${OSTYPE}" == "freebsd" ] ; then
	sed -i '' 's/ __nonnull.*;/;/' "./snake.c" "./libs/screenlib.c" "./libs/screenlib.h"
	sed -i '' 's/ __wur.*;/;/' "./snake.c" "./libs/screenlib.c" "./libs/screenlib.h"
fi

#####################################################
## Compile and install the custom shared object	   ##
#####################################################
gcc -c -Wall -Werror -fPIC -o "./libs/screenlib.o" "./libs/screenlib.c"
if [ $? -ne 0 ]; then
	echo "[-] Failed to compile object file from ./libs/screenlib.c"
	exit 1
fi

gcc -shared -o "./libs/libscreenlib.so" "./libs/screenlib.o"
if [ $? -ne 0 ]; then
	echo "[-] Failed to compiled shared object from ./libs/screenlib.o"
	exit 1
fi

echo "[+] Compiled shared object"

sudo cp "./libs/screenlib.h" "/usr/include"
sudo chmod 644 "/usr/include/screenlib.h"
sudo cp "./libs/libscreenlib.so" "/usr/lib"
sudo chmod 755 "/usr/lib/libscreenlib.so"

echo "[+] Compiling snake binary"

gcc -c -O2 -Wall -Werror "./snake.c"
if [ $? -ne 0 ]; then
	echo "[-] Failed to create object file from snake.c"
	exit 1
fi

gcc -O2 -Wall -Werror -o "./snake" "./snake.o" -lscreenlib
if [ $? -ne 0 ]; then
	echo "[-] Failed to compile binary from object file"
	exit 1
fi

sudo cp "./snake" "${PATH%%:*}"
sudo chmod 755 "${PATH%%:*}/snake"

echo "[+] Successfully compiled and installed snake"