On Mon, 5 Oct 2009, Jörg Hagmann wrote:

> Installing the minimals on ubuntu works with "first-setup.sh" without 
> remaking the formats, in both mkII and mkiv.
>
> Installing them on my mac (10.5.8) (same procedure), mkii only works after 
> remaking the formats, whereas remaking them for mkiv didn't help (Fatal Error 
> : Your format does not match the base files!).

Are you using the same shell in both. I vaguely remember that in some 
shells you need "source setuptex" while in others you need ". setuptex".

Aditya