require that. Without it, I get the warnings
Warning: Package "Nmap" is not assigned to a choice.
Warning: Package "Zenmap" is not assigned to a choice.
Warning: Package "Ncat" is not assigned to a choice.
Warning: Package "Ndiff" is not assigned to a choice.
Warning: Package "Nping" is not assigned to a choice.
Warning: Choice "Nmap" has no subchoices and no package refs.
Warning: Choice "Zenmap" has no subchoices and no package refs.
Warning: Choice "Ncat" has no subchoices and no package refs.
Warning: Choice "Ndiff" has no subchoices and no package refs.
Warning: Choice "Nping" has no subchoices and no package refs.
In the built installer, all the choices said "Zero KB" and the "Continue"
button was not clickable.
metapackage (.mpkg) installer. The installer lets you pick if you want to
install Nmap or Zenmap or both. It puts Nmap in /usr/local and the previously
developed Zenmap.app in /Applications.