[Paraview] Paraview will not build

[Berk Geveci]

I would agree if we were talking about a "user level" library. Often MPI
isn't. Upgrading it is not option for many users stuck on older systems.

On Thu, Oct 27, 2011 at 3:11 AM, Biddiscombe, John A. <biddisco at cscs.ch>wrote:

>  Ken****
>
> ** **
>
> >>** **
>
> I don't think I can easily replicate the compile problem.  Could someone
> (Rich?) please volunteer to accept a patch and attempt to compile it rather
> than have me spin my wheels trying to install an old version of MPI on
> something?****
>
> <<** **
>
> ** **
>
> I’d just like to say using MPI_IN_PLACE is a great way of saving on memory
> copies and there is a reason why newer versions of MPI have it; it’s better.
> ****
>
> ** **
>
> Constantly making compromises to support old versions is (in my opinion)
> bad practice.****
>
> I’d vote (and I know that nobody agrees with me) to not support older MPI
> versions. Let people upgrade their MPI rather than bloat code by patching
> for this.****
>
> ** **
>
> I feel quite strongly about this and will happily contribute a CMake check
> for MPI_IN_PLACE which will tell the user at cmake time that their MPI is
> unsupported and they need to upgrade.****
>
> ** **
>
> JB****
>
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>
> ** **
>
> -- ****
>
> John Biddiscombe,                            email:biddisco @ cscs.ch****
>
> http://www.cscs.ch/****
>
> CSCS, Swiss National Supercomputing Centre  | Tel:  +41 (91) 610.82.07****
>
> Via Cantonale, 6928 Manno, Switzerland      | Fax:  +41 (91) 610.82.82****
>
> ** **
>
> ** **
>
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