[petsc-dev] configure usability

[Jed Brown]

On Thu, 2 Sep 2010 09:00:47 +0200, Matthew Knepley <knepley at gmail.com> wrote:
> We want them to be organized in certain ways, like sections for
> help.

That's what OptionGroup is for.

> We want to do special processing for some types, like download. When I
> Iooked at these packages, it did not seem east to do.

You can set a callback so you can do arbitrary special processing for
special options.

Jed