configure updates

[Matthew Knepley]

Satish Balay <balay at mcs.anl.gov> writes:

> I've pushed a new option to configure [appears to be required by a few
> external packages]
>
> --download-netlib-blas-lapack=1

  Yes, this is fine.

> Also - I'd like to push the following change
>
> chnage:
>   --with-f90-header=f90_rs6000.h --with-f90-source=f90_rs6000.c 
> to:
>   --with-f90-interface=rs6000
>
> With the following help string:
> --with-f90-interface=<type> : Specify  compiler type for eg: intel8,solaris,rs6000,IRIX,win32,absoft,t3e,dec,cray_x1,hpux

  I think this sounds fine. It should use the vendor names we already use for compilers (and
already have mapped to source/header names).

        Matt
-- 
"Failure has a thousand explanations. Success doesn't need one" -- Sir Alec Guiness