错误的makefile

DB2    = db2
CC     = cc
CFLAGS = -O

IP1   = /home/ppqf_sd/sqllib/include
LP1   = /home/ppqf_sd/sqllib/lib
LIB1  = db2

DATABASE = mydb
USER = ppqf_sd
PASSWD = ppqf_sd

EXE = myfirst

SQC = myfirst.sqc
C   = myfirst.c
BND = myfirst.bnd
OBJ = myfirst.o

all : $(EXE)

$(EXE) : $(OBJ)
        $(CC) $(CFLAGS) -L$(LP1) $(OBJ) -o $@ -l$(LIB1);

$(OBJ) : $(C)
        $(CC) -g -c $(CFLAGS) -I$(IP1) $(C)

$(C) $(BND) : $(SQC)
        $(DB2) connect to $(DATABASE) user $(USER) using $(PASSWD) ;/
        $(DB2) prep $(SQC) target cplusplus bindfile using $(BND) ;/
        $(DB2) bind $(BND); /
        $(DB2) connect reset
clean :
        rm $(C) $(BND) $(OBJ) $(EXE)