LIB := $(obj)libnand.a
-COBJS := nand.o nand_base.o nand_ids.o nand_ecc.o nand_bbt.o nand_util.o
-
+COBJS-y += nand.o
+COBJS-y += nand_base.o
+COBJS-y += nand_ids.o
+COBJS-y += nand_ecc.o
+COBJS-y += nand_bbt.o
+COBJS-y += nand_util.o
+
+COBJS := $(COBJS-y)
SRCS := $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))