top-level configure

[Ben Elliston]

Before I open a PR for this, I'd like to make sure I'm not doing
anything wrong .. :-)

It used to be the case that the Cygnus top-level configure script would
pass any configure options to all subdirectory `configure' invocations.
Now it doesn't seem to work as I expect when I pass --quiet to the
top-level configure script.  When I run make, I see configure output
from fixincludes, etc.

Is it broken?

Ben