On Sun, Apr 8, 2018 at 5:41 PM Ajith Subramanian <ajith...@gmail.com> wrote:
> Gilles, > > Thanks for the clarification. I did notice the option in the configure > script. I appreciate the information on the third party C++ bindings. > > The library I'm using is VTK and they happen to still rely on C++ bindings > for their parallel I/O module (unless I'm mistaken here, but this seems to > be true as of 8.1.0). > A cursory inspection of VTK on GitHub indicates they are using the C bindings now. I did not attempt to determine if/when they ever used the C++ ones in the past. VTK does, however, wrap MPI C bindings in C++, so it may appear to end users as if they are using C++ bindings. Jeff > Regards, > Ajith > > On Sun, Apr 8, 2018 at 6:00 PM, Gilles Gouaillardet <gil...@rist.or.jp> > wrote: > >> Ajith, >> >> >> Note the C++ bindings have not been removed yet from Open MPI. >> >> You need to configure --enable-mpi-cxx in order to build them (this is no >> more the default option) >> >> >> As Nathan pointed out, the C++ bindings will likely be removed from Open >> MPI 4, so you will have to modernize your code at some point in time. >> >> >> >> On this mailing list, C++ users have previously pointed/recommended >> >> - boostMPI https://github.com/boostorg/mpi >> >> - Elemental http://libelemental.org >> >> Though these are not part of the MPI standard, these third party >> libraries provide C++ bindings. >> >> And of course, using the C binding is a portable option that does not >> require any external dependencies. >> >> >> Cheers, >> >> >> Gilles >> >> >> >> On 4/9/2018 2:48 AM, Ajith Subramanian wrote: >> >>> Thanks for the quick reply. One of the third-party packages we're using >>> still depends on the C++ bindings, but I'll look to migrating them to the C >>> bindings. >>> >>> Ajith >>> >>> On Sat, Apr 7, 2018 at 4:40 PM, Nathan Hjelm <hje...@me.com <mailto: >>> hje...@me.com>> wrote: >>> >>> The MPI C++ bindings were depricated more than 10 years ago and >>> were removed from the standard 6 years ago. They have been >>> disabled by default for a couple of years in Open MPI. They will >>> likely be removed in Open MPI 4.0. You should migrate your code to >>> use the C bindings. >>> >>> -Nathan >>> >>> > On Apr 7, 2018, at 2:48 PM, Ajith Subramanian >>> <ajith...@gmail.com <mailto:ajith...@gmail.com>> wrote: >>> > >>> > Hello, >>> > >>> > Installing version 3.0.1 using --prefix=/usr/local doesn't seem >>> to place the libmpi_cxx.so library in /usr/local/lib. I've >>> attached the requested output, in addition to ls.out which shows >>> the existing libmpi* files in /usr/local/lib after install. >>> > >>> > The machine is running Ubuntu 13.10 LTS and a previous >>> installation of OpenMPI 1.8.4 (which has now been uninstalled) >>> does place libmpi_cxx.so in /usr/local/lib. >>> > >>> > Thanks, >>> > Ajith >>> > <ompi-output.tar.bz2> >>> > _______________________________________________ >>> > users mailing list >>> > users@lists.open-mpi.org <mailto:users@lists.open-mpi.org> >>> > https://lists.open-mpi.org/mailman/listinfo/users >>> <https://lists.open-mpi.org/mailman/listinfo/users> >>> _______________________________________________ >>> users mailing list >>> users@lists.open-mpi.org <mailto:users@lists.open-mpi.org> >>> https://lists.open-mpi.org/mailman/listinfo/users >>> <https://lists.open-mpi.org/mailman/listinfo/users> >>> >>> >>> >>> >>> _______________________________________________ >>> users mailing list >>> users@lists.open-mpi.org >>> https://lists.open-mpi.org/mailman/listinfo/users >>> >> >> _______________________________________________ >> users mailing list >> users@lists.open-mpi.org >> https://lists.open-mpi.org/mailman/listinfo/users >> > > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/users -- Jeff Hammond jeff.scie...@gmail.com http://jeffhammond.github.io/
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