waf?

hackedhead@koopa:~/waf-1.1.1$ ./waf-light --make-waf
preparing waf
hackedhead@koopa:~/waf-1.1.1$ ./waf --prefix=/usr --destdir=/home/hackedhead/waf-install install
preparing waf
installing waf on the system
->>> installation failed: cannot write to /usr <<<-
hackedhead@koopa:~/waf-1.1.1$