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Hi Sha, I think the problem may be that the Fortran library must now be explicitly linked, whereas previous releases allowed the Fortran library to be built right into the C library. That means instead of just linking with "-lnetcdf", you need to use "-lnetcdff" (note the extra "f" in the first library name). If you build with shared libraries (the default) then this is all thatis necessary. If you build with static libraries only, then you must also specify "-lnetcdf" after "-lnetcdff" and any other libraries that were used when netCDF was built. --Russ Russ Rew UCAR Unidata Program address@hidden http://www.unidata.ucar.edu Ticket Details =================== Ticket ID: LLV-851787 Department: Support netCDF Priority: Normal Status: Closed