TREE_DIRS     = bin lib src \

		src/driver \

		src/helper \

		src/internal \

		src/logic \

		src/output \

		src/skin \

tree.tag:

		mkdir -p $(TREE_DIRS)

		touch tree.tag

tree-distclean:

		rmdir $(TREE_DIRS) 2> /dev/null || true

distclean:	tree-distclean