Problem building PNetCDF 1.12.0 with GCC 7.4.0 and OpenMPI-4.0.2

[Wei-keng Liao]

Hi, Carl

Since you mentioned you have checked file src/include/config.h,
could you please let me know whether this line below appears there?

#define HAVE_DECL_MPI_COMBINER_HVECTOR_INTEGER 0

This line shows that PnetCDF configure.ac does check whether the
deprecated MPI constant MPI_COMBINER_HVECTOR_INTEGER is still
defined in mpi.h. Therefore, that compile error from line 390 of
file dtype_decode.c should not happen.

389 #if defined HAVE_DECL_MPI_COMBINER_HVECTOR_INTEGER && HAVE_DECL_MPI_COMBINER_HVECTOR_INTEGER
390         case MPI_COMBINER_HVECTOR_INTEGER:
391 #endif


Wei-keng

> On Oct 20, 2019, at 11:36 AM, Carl Ponder via parallel-netcdf <parallel-netcdf at lists.mcs.anl.gov> wrote:
> 
> 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.
> Thanks in advance,
> 
>                                         Carl
> 
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