.c.o:
	@echo "--- recompile $<, generating new $@ ---"
	cc -qdbcs -c $<

all:    lab5a lab5b lab5c lab5d
lab5a:  lab5a.o
	cc -o lab5a lab5a.o 
lab5b:	lab5b.o
	cc -o lab5b lab5b.o 
lab5c:	lab5c.o
	cc -o lab5c lab5c.o 
lab5d:	lab5d.o
	cc -o lab5d lab5d.o 
