[cctbxbb] differing build and install directories?

[William Scott]

>
> but you can source the setpath scripts 100 times and PATH doesn't get longer;
> it actually cleans up PATH by removing any duplicates. (This can be important
> under IRIX since the limit on the length of PATH is fairly small.)
>
> Cheers,
>         Ralf

In zsh, which is kind of like tcsh but without the lobotomy, if you have

typeset -U path

it always does that.