Problem building PNetCDF 1.12.0 with GCC 7.4.0 and OpenMPI-4.0.2

[Carl Ponder]

*Den søn. 20. okt. 2019 kl. 18.41 skrev Carl Ponder via parallel-netcdf 
<parallel-netcdf at lists.mcs.anl.gov 
<mailto:parallel-netcdf at lists.mcs.anl.gov>>:
*
>
>     I'm seeing this error building PNetCDF 1.12.0 with GCC 7.4.0 and
>     OpenMPI-4.0.2:
>
>         make[6]: Entering directory
>         '/gpfs/fs1/SHARE/Utils/PNetCDF/1.12.0/GCC-7.4.0_OpenMPI-4.0.2/distro/src/drivers/common'
>           CC       utf8proc.lo
>           CC       mem_alloc.lo
>           CC       dtype_decode.lo
>         In file included from dtype_decode.c:16:0:
>         dtype_decode.c: In function ‘ncmpii_dtype_decode’:
>         dtype_decode.c:390:14: error: expected expression before
>         ‘_Static_assert’
>                  case MPI_COMBINER_HVECTOR_INTEGER:
>                       ^
>         dtype_decode.c:390:14: error: expected expression before
>         ‘_Static_assert’
>         dtype_decode.c:390:42: error: expected expression before ‘:’ token
>                  case MPI_COMBINER_HVECTOR_INTEGER:
>                                                   ^
>         dtype_decode.c:396:43: error: expected expression before ‘:’ token
>                  case MPI_COMBINER_HINDEXED_INTEGER:
>                                                    ^
>         In file included from dtype_decode.c:16:0:
>         dtype_decode.c:462:14: error: expected expression before
>         ‘_Static_assert’
>                  case MPI_COMBINER_HVECTOR_INTEGER:
>                       ^
>         dtype_decode.c:462:14: error: expected expression before
>         ‘_Static_assert’
>         dtype_decode.c:462:42: error: expected expression before ‘:’ token
>                  case MPI_COMBINER_HVECTOR_INTEGER:
>                                                   ^
>         In file included from dtype_decode.c:16:0:
>         dtype_decode.c:473:14: error: expected expression before
>         ‘_Static_assert’
>                  case MPI_COMBINER_HINDEXED_INTEGER:
>                       ^
>         dtype_decode.c:473:14: error: expected expression before
>         ‘_Static_assert’
>         dtype_decode.c:473:43: error: expected expression before ‘:’ token
>                  case MPI_COMBINER_HINDEXED_INTEGER:
>                                                    ^
>         Makefile:535: recipe for target 'dtype_decode.lo' failed
>         make[6]: *** [dtype_decode.lo] Error 1
>         make[6]: Leaving directory
>         '/gpfs/fs1/SHARE/Utils/PNetCDF/1.12.0/GCC-7.4.0_OpenMPI-4.0.2/distro/src/drivers/common'
>         Makefile:452: recipe for target 'all' failed
>         make[5]: *** [all] Error 2
>         make[5]: Leaving directory
>         '/gpfs/fs1/SHARE/Utils/PNetCDF/1.12.0/GCC-7.4.0_OpenMPI-4.0.2/distro/src/drivers/common'
>         Makefile:473: recipe for target 'all-recursive' failed
>         make[4]: *** [all-recursive] Error 1
>
>     There has been some work done on the src/include/config.h file,
>     that look like compatibility fixes for OpenMPI 4.0.2.
>     I'm able to build the same OpenMPI & PNetCDF with the PGI 19.9
>     compiler without any problem.
>     Do any of you have some settings I can use to get around this?
>     I don't mind moving up to GCC 9.* if I have to.
>
*On 10/20/19 1:27 PM, Nick Papior wrote:*
>
>     Probably this can be fixed by compiling OpenMPI 4 with this
>     configure flag:
>
>         --enable-mpi1-compatibility
>
>     The variables in questions are marked as removed in MPI-3
>     standard. So probably this is why?
>
Yes --- this fixed the problem for both PNetCDF and Valgrind builds.
Thank you!!

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