autoconf for mtd-utils

[David Byron]

On Mon, 2006-07-31 at 5:50p, Josh Boyer wrote: 

> Better.  But it only defines BUILDDIR during a cross compile.  Is that
> what you wanted?  Or did you want a general purpose way to separate
> the object and binary files from the source during build time?

I do define BUILDDIR for native builds too, but to the current directory.
The important thing for me is that native objects live in a different place
than cross-compiled objects.  Where they are relative to the source isn't
important to me at the moment.

-DB