C/C++ auto-compile shell script

compile.sh

#!/bin/bash

COMPILER="/usr/bin/gcc";
OPTIONS="-c -o";
FINAL_OPTIONS="-o";
MAIN_FILENAME="main";
BUILDDIR="build";
SRCDIR="src";
EXTENSION="*.c";
OBJECT_EXTENSION="o";

if [ -d "$BUILDDIR" ]; then
	echo "Cleaning build directory..."
	rm $BUILDDIR/* 2>&1 > /dev/null;
else
	echo "Making build directory..."
	mkdir $BUILDDIR;
fi

echo "Finding source files..."
FILES=`find "$SRCDIR" -type f -name "$EXTENSION"`
echo "Found source files: $FILES"
echo "Compiling source files..."

for i in $FILES
do
	OUTFILE=`basename "${i%.*}"`;
	OUTFILE="$BUILDDIR/$OUTFILE.o";
	echo "Compiling file \"$i\" to \"$OUTFILE\"";
	$COMPILER $OPTIONS $OUTFILE $i;
done

echo "Linking Object Files...";
$COMPILER $FINAL_OPTIONS $MAIN_FILENAME $BUILDDIR/*;

echo "Done.";
exit 0;