Totally off topic but this reminds me that I need to see if I can figure out how to get Nvi to compile on OS X Mavericks. I know, I know, but it has a special place in my heart because it was the first version of Vi that I ever used.
The project seems intent on keeping the build and distribution processes up to date along with the evolving codebase. For example, you can install now via Homebrew: