$(o)/lib/bbuf.test: $(o)/lib/bbuf-t
$(o)/lib/getopt.test: $(o)/lib/getopt-t
$(o)/lib/fastbuf.test: $(o)/lib/fb-file-t $(o)/lib/fb-grow-t $(o)/lib/fb-pool-t
$(o)/lib/bbuf.test: $(o)/lib/bbuf-t
$(o)/lib/getopt.test: $(o)/lib/getopt-t
$(o)/lib/fastbuf.test: $(o)/lib/fb-file-t $(o)/lib/fb-grow-t $(o)/lib/fb-pool-t