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  • #17544

Closed
Open
Created Feb 28, 2019 by Nicolas Vuaille@nicolas.vuailleDeveloper

mpi4py compilation error with openMPI 4.0

Archlinux has just bump openmpi to version 4.0. This version seems to remove some deprecated code, leading to this failure:

In file included from /home/nicolas/ParaView/ParaView/VTK/ThirdParty/mpi4py/vtkmpi4py/src/MPI.c:4:
/home/nicolas/ParaView/ParaView/VTK/ThirdParty/mpi4py/vtkmpi4py/src/mpi4py.MPI.c: In function ‘__pyx_f_6mpi4py_3MPI_del_Datatype’:
/home/nicolas/ParaView/ParaView/VTK/ThirdParty/mpi4py/vtkmpi4py/src/mpi4py.MPI.c:15141:36: error: ‘MPI_UB’ undeclared (first use in this function); did you mean ‘MPI_IO’?
   __pyx_t_1 = (((__pyx_v_ob[0]) == MPI_UB) != 0);
                                    ^~~~~~
                                    MPI_IO
/home/nicolas/ParaView/ParaView/VTK/ThirdParty/mpi4py/vtkmpi4py/src/mpi4py.MPI.c:15141:36: note: each undeclared identifier is reported only once for each function it appears in
/home/nicolas/ParaView/ParaView/VTK/ThirdParty/mpi4py/vtkmpi4py/src/mpi4py.MPI.c:15154:36: error: ‘MPI_LB’ undeclared (first use in this function); did you mean ‘MPI_IO’?
   __pyx_t_1 = (((__pyx_v_ob[0]) == MPI_LB) != 0);
                                    ^~~~~~
                                    MPI_IO

Regarding this issue https://bitbucket.org/mpi4py/mpi4py/issues/115/cannot-build-against-openmpi-400#comment-49251364 this should be fixed in mpi4py upstream.

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