How to build NvCloth at mac platform

sh GenerateProjectsIOS.sh

Package ‘7za’ at version ‘16.02.2’ is missing from local storage.

packman(ERROR): Unable to download file from ‘https://d4i3qtqj3r0z5.cloudfront.net/7za%4016.02.2’ (server returned 403)

Failure while installing required 7za package