[huangzy@tf-grlab19 sma]$ cc -c cube.c
[huangzy@tf-grlab19 sma]$ cc -o cube cube.o -L/usr/lib -lglut -lGL -lm
[huangzy@tf-grlab19 sma]$ ./cube
[huangzy@tf-grlab19 sma]$ cc -o cube cube.o -lglut -lGL -lm