[MOAB-dev] Problems with MOAB not finding hdf5

[Tim Tautges]

No, not important, though I should remember to put this info in the FAQ.

- tim

Jason Kraftcheck wrote:
> Tim Tautges wrote:
>> Jason, is there any way of checking for that library before checking for
>> hdf5?  Or, do we not want to do that because we might have a
>> locally-built hdf5 w/o szip?
>>
> 
> SZIP is not free, HDF5 libraries shipped by linux distributions are built
> w/out it, etc.  So I think it will be common enough that people won't have it.
> 
> The way the configure script works now is to:
>   a) try linking with HDF5 library to verify that it is link-able
>   b) if that fails, try again with "-lszip"
> This will fairly robustly determine if the HDF5 library is usable.  The
> failure was in no way unique to MOAB.  If you download pre-compiled HDF5
> libraries and don't have libszip, then it will not be possible to link those
> HDF5 libraries into any application (they're broken.)
> 
> If MOAB users frequently encounter this error, it might be helpful to print
> a more informative diagnostic.  I'm not familiar with any autoconf mechanism
> to test for required libraries if those libraries are not present on the
> system (i.e. any way other than how we do it know.)  I could spend some time
> trying to come up with a portable method of doing so if you think this is
> important.
> 
> - jason
> 
> 

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              Tim Tautges            Argonne National Laboratory
          (tautges at mcs.anl.gov)      (telecommuting from UW-Madison)
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