TABLE1
PACKAGE_IDX		DEPENDENCIES_INDEX
4				1
4				3
4				2

				TABLE2
PACKAGE_IDX	PACKAGE_NAME	LAST_BUILT	SUCCEDED
1			packageA			<date>		y
2			packageB			<date>		n
3			packageC			<date>		y
4			packageD			<date>		n

#creating the build database

for each package
	if package does not exist in table2
		add package to table2
		get index
	else
		get index
	get package dependencies
		for each dependency
			if dependency does not exist in table2
				add dependency to table2
				get index
			else
				getindex
			if package, dependency does not exist in table1
				add package,dependency to table1



######################READ BELOW FOR THE SHIZZLE



#building a package
function build_package(package){
	get package dependencies
	for each package dependency
	{
		built=0
		for each line in built_list_file
		{
			check if line matches package dependency
			if yes
			{
				built=1
				break;
			}
		}

		if built = 0
		{
			build_package(dependency)
		}
	}

	make_package
	if error, bail
	if success, add to built_list_file
}

#building all packages
for each package
{
	build_package()
}