Darren Moffat just pointed to this in his Twitter feed about an package for Solaris that would make installation of this great tool really comfortable.

VirtualBox now being packaged in IPS .p5p file for Oracle Solaris: Test builds available from https://virtualbox.org/wiki/Testbuilds for 6.1.x and development snapshots.
Written by

Joerg Moellenkamp

Grey-haired, sometimes grey-bearded Windows dismissing Unix guy.