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[netCDF #ETZ-572888]: about zlib 1.2.5 and zlib 1.2.7

Hi Ming,

> I have a question about using zlib.
> My situation:
> 0. My platform: ubuntu 12.04
> 1. I am using intel compiler (Version 12.1) to build netcdf and WRF3.4
> 2. my HDF5 1.8.8 was build with zlib 1.2.5 and then I build netCDF 4.1.3
> with HDF5. netCDF was installed successfully. (the information from
> "nc-config --all" was attached as nc-config.txt).
> My problem:
> the old version zlib 1.2.5 gives me message like "libz.so.1: no version
> information available".
> My question:
> 1. Will above message influence WRF running?

I don't think so, as long as it links successfully.

> 2. If so, can I build zlib1.2.7 at /usr/local/zlib-1.2.7 (different
> directory from zlib-1.2.5) and use this Zlib1.2.7 for WRF environment setup
> (i.e. set LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/zlib-1.2.7)?
> And suggestions are appreciated!

Yes, though you may have to also set LD_FLAGS to get it to link correctly.
You may also have to ask WRF support, if you have WRF-related problems with
the result, but it sounds like it should work.  The netCDF library depends 
on the zlib used for building HDF5.  If you're using shared libraries and it
gets through the configure step that checks for zlib, everything should work
OK, as far as netCDF is concerned.


Russ Rew                                         UCAR Unidata Program
address@hidden                      http://www.unidata.ucar.edu

Ticket Details
Ticket ID: ETZ-572888
Department: Support netCDF
Priority: Normal
Status: Closed

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