[petsc-dev] [Suggestion] Configure QOL Improvements

[Jed Brown]

Matthew Knepley <knepley at gmail.com> writes:

> That is an unreliable check for Z. You would not eliminate the case
> where you give --with-Z, but the check fails, so Z is not available,
> but you do not find out until checking X or Y.

You can verify that Z works in a fraction of a second, but building X
may take minutes.  Work bottom up, verify everything that is given
before building anything.