lab12a: lab12a.o Point2d.o Point3d.o g++ -o lab12a lab12a.o Point2d.o Point3d.o lab12a.o: lab12a.cpp Point2d.h Point3d.h g++ -c lab12a.cpp Point2d.o: Point2d.cpp Point2d.h g++ -c Point2d.cpp Point3d.o: Point3d.cpp Point3d.h g++ -c Point3d.cpp clean: rm lab12a.o Point2d.o Point3d lab12a