Installing GDC to home directory?

[Trass3r]

> For example, if I am creating a binary .deb or .rpm, I can compile
> everything I want so that it expects to run in '/usr' (prefix), but dump
> the files in '/home/vnayar/myproject/rpm' (DESTDIR).
>
> After I run my command, I'll have stuff like:
>   /home/vnayar/myproject/rpm/
>     + usr/bin/mybin
>     + usr/share/mydata
>     + usr/lib/libmine.so
>
> And after I wrap all that up in a .deb package, and someone else installs
> it, they will have binaries ready to go in /usr/bin, etc.

How would you configure it to create a dmd like package that can be  
extracted anywhere?