Re: [netcdf-hdf] errors building netcdf4 for parallel I/O

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yes, HDF5 doesn't have H5Pget_fapl_mpipo. Probably a typo.

At 2:46 PM -0500 9/12/07, Robert Latham wrote:
On Wed, Sep 12, 2007 at 01:20:13PM -0600, Ed Hartnett wrote:
 You must use the --enable-parallel option to configure.

Hi Ed, this didn't seem to make any difference.  config.h has this
alarming section:

/* if true, parallel netCDF-4 is in use */
#define USE_PARALLEL 1

/* if true, compile in parallel netCDF-4 based on MPI/IO */
/* #undef USE_PARALLEL_MPIO */

/* if true, compile in parallel netCDF-4 based on MPI/POSIX */

When I take a closer look at config.log, the check for MPI-IO (POSIX)
succedds but the check for "real" MPI-IO fails:

configure:29033: checking for H5Pget_fapl_mpiposix in -lhdf5
configure:29068: /home/robl/work/soft/hdf5-1.8.0-beta3/bin/h5pcc -o conftest -g -O2 -I/home/robl/work/soft/hdf5-1.8.0-beta3/include -L/home/robl/work/soft/hdf5-1.8.0-beta3/lib conftest.c -lhdf5 -lhdf5_hl -lhdf5 -lm -lz -lhdf5 >&5
configure:29074: $? = 0
configure:29092: result: yes
configure:29107: checking for H5Pget_fapl_mpipo in -lhdf5
configure:29142: /home/robl/work/soft/hdf5-1.8.0-beta3/bin/h5pcc -o conftest -g -O2 -I/home/robl/work/soft/hdf5-1.8.0-beta3/include -L/home/robl/work/soft/hdf5-1.8.0-beta3/lib conftest.c -lhdf5 -lhdf5_hl -lhdf5 -lm -lz -lhdf5 >&5
conftest.o: In function `main':
/home/robl/work/netcdf-4.0-beta1/build/conftest.c:67: undefined reference to `H5Pget_fapl_mpipo'
collect2: ld returned 1 exit status

On Wed, Sep 12, 2007 at 02:31:23PM -0500, Elena Pourmal wrote:
 Did HDF5 tests pass? There should be no difference between building
 NetCDF-4 and HDF5 tests.....

I can build the HDF5 tests no problem, but the HDF5 tests aren't
trying to use the symbol "H5Pget_fapl_mpipo".  Instead, they use

 Also you may try to remove -O2 flag. The error you are getting,
 doesn't make any sense (at least to me :-) )

The preprocessor suggests that something somewhere is defining
MPI_Comm and MPI_Info to be ints before including mpi.h

Thanks for all the help.  I bet we're pretty close!


Rob Latham
Mathematics and Computer Science Division    A215 0178 EA2D B059 8CDF
Argonne National Lab, IL USA                 B29D F333 664A 4280 315B


Elena Pourmal
The HDF Group
1901 So First ST.
Suite C-2
Champaign, IL 61820

(217)333-0238 (office)
(217)333-9049 (fax)

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