#Global definitions.
F_ROOT=$(readlink -f "$0")
D_ROOT=$(dirname "${F_ROOT}")/../../.
D_COMPILE=${D_ROOT}/compile
D_LINK=${D_ROOT}/link
D_PACK=${D_ROOT}/pack
D_RUN=${D_ROOT}/run
F_COMPILE_LIST=${D_PACK}/cpp_files.txt
F_LINK_LIST=${D_LINK}/object_files.txt
F_OBJ_LIST=${D_PACK}/obj_files.txt
echo "" > ${F_LINK_LIST}

# Compile.
LINE=0
LINE_COUNT=$(cat ${F_COMPILE_LIST} | wc -l)
while true
do
	if [ ${LINE} -ge ${LINE_COUNT} ]; then
		break
	fi
	LINE=$((LINE+1))
	F_COMPILE=$(head -n ${LINE} ${F_COMPILE_LIST} | tail -n 1)
	I_COMPILE=${D_COMPILE}/${F_COMPILE}
	O_COMPILE=${D_LINK}/${F_COMPILE}.o
	mkdir -p "${O_COMPILE%/*}" 

	clang++ -I ${D_COMPILE} \
	-D ROOT_DIRECTORY_MV=\"${D_ROOT}\" \
	-c ${I_COMPILE} -o ${O_COMPILE}

	echo ${O_COMPILE} >> ${F_LINK_LIST}
done

# Libraries.
F_LIBRARY_LIST=${D_PACK}/libraries.txt
F_LIBRARY_OPTIONS=${D_LINK}/library_options.txt
echo "" > ${F_LIBRARY_OPTIONS}
LINE=0
LINE_COUNT=$(cat ${F_LIBRARY_LIST} | wc -l)
while true
do
	if [ ${LINE} -ge ${LINE_COUNT} ]; then
		break
	fi
	LINE=$((LINE+1))
	LIBRARY="-l$(head -n ${LINE} ${F_LIBRARY_LIST} | tail -n 1)"
	echo $LIBRARY >> ${F_LIBRARY_OPTIONS}
done

# Link.
I_LINK=$(cat ${F_LINK_LIST})
I_LIBRARIES=$(cat ${F_LIBRARY_OPTIONS})
O_LINK=${D_RUN}/executable
clang++ ${I_LIBRARIES} ${I_LINK} -o ${O_LINK}