On 9/17/19 4:06 AM, Ankur Sinha wrote: > On Sat, Sep 14, 2019 15:37:22 -0600, Orion Poplawski wrote: >> On 9/14/19 2:08 PM, Jerry James wrote: >>> On Fri, Sep 13, 2019 at 8:38 AM Ankur Sinha <sanjay.ankur@xxxxxxxxx> wrote: >>>> Hello, >> <snip> >>> >>> The C++ headers are missing on ppc64le. On other architectures, they >>> are in /usr/include/openmpi-<arch>/openmpi/ompi/mpi/cxx. The cxx >>> subdirectory does not exist in the ppc64le build. Indeed, if you look >>> at build.log from the latest openmpi build on ppc64le, you'll find >>> this line: >>> >>> checking if want C++ bindings... no >>> >>> You might want to contact the openmpi package maintainers to find out >>> if that is deliberate or an accident. >>> >>> Regards, >>> >> >> Indeed, this was deliberate, but should have been reverted long ago: >> >> commit 9f7f02128769699d51527f6c67f42885c2db8648 >> Author: Dan Horák <dan@xxxxxxxx> >> Date: Thu Oct 27 09:15:40 2016 +0200 >> >> - Temporarily disable C++ bindings on ppc64/ppc64le (#1388561) >> >> https://bugzilla.redhat.com/show_bug.cgi?id=1388561 >> https://github.com/open-mpi/ompi/issues/2055#issuecomment-256487077 >> >> I'm working on getting this fixed at least in rawhide. > > Thanks Orion, Jerry. I'll keep an eye out for the fix and then retry the > build. > > Out of curiosity: shouldn't this have affected all tools using OpenMPI > C++ bindings? NEST, for example built fine even on ppc: > https://koji.fedoraproject.org/koji/buildinfo?buildID=1362315 > > Build log: > https://kojipkgs.fedoraproject.org//packages/nest/2.18.0/5.fc32/data/logs/ppc64le/build.log > > I see that it found mpicxx, but not headers etc. However, that didn't > cause the build to fail (line #2439). I have no idea as I really don't know exactly what --enable-mpi-cxx does. I was surprised that it didn't appear to affect more packages. -- Orion Poplawski Manager of NWRA Technical Systems 720-772-5637 NWRA, Boulder/CoRA Office FAX: 303-415-9702 3380 Mitchell Lane orion@xxxxxxxx Boulder, CO 80301 https://www.nwra.com/
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