Mpiexec buildroot patch

[Pete Wyckoff]

ben at bellatrix.pcl.ox.ac.uk said:
> 	The attached patch makes Mpiexec's Makefile work properly with
> build systems that install files into a holding directory (e.g. I need
> it for building RPMs with a buildroot) by adding the DESTDIR variable in
> at strategic points. It should be suitable for applying to current CVS.
> I've been using this patch in my own mpiexec installation for some time
> now, but it'd make more sense (IMHO) to stick it in mpiexec proper...

Good stuff.  Thanks.  If you want to toss in a spec file or any other
machinery that makes building for distributions easier, just send it
over.

		-- Pete