Gary V. Vaughan wrote:
> 14. Updating
> ============
>
> There's no obvious way for bootstrap to update itself. Since we got to some
> lengths to install the `gnulib' subproject that it comes from, it should at
> least be able to warn that it is out of date even if a self-update is not
> possible - is it even possible (let alone portable) for a script to copy
> something over itself while running, and then re-exec to pick up the changes?
Detection would be easy. Something like this:
cmp $0 $gnulib_path/$build_aux/bootstrap
A warning would be good, but I would avoid an auto-update.
