CC = gcc F77 = g77 PROG = poisson OBJ =poisson.o timer.o LIBS = INC = /usr/local/include CLOADFLAGS = -O2 CCFLAGS=-O2 all:exe exe: $(OBJ) $(CC) $(CLOADFLAGS) -o $(PROG) $(OBJ) $(LIBS) clean : rm -f *.o .f.o : ; $(F77) -c $(F77FLAGS) $*.f .c.o : ; $(CC) -c -I$(INC) $(CCFLAGS) $*.c