Thanks!  Adding -DNETCDF_HAS_NC4 makes the warning go away.

Now I wonder what that means to users of this code that have been living
without that for forever.

I will try gdal_translate with and without that flag and see what happens.
It looks like I should see differences with unsigned types.

On Wed, Aug 7, 2019 at 2:36 PM Even Rouault <even.roua...@spatialys.com>
wrote:

> On mercredi 7 août 2019 14:24:32 CEST Kurt Schwehr wrote:
> > Hmm... these are netcdf 5 according to file.
>
> HDF5, not netCDF 5. netCDF v4 file format is a profile on top of HDF5.
>
> > I have the extra fun that my build is bazel based.
>
> Ah that likely explains it... You need to add -DNETCDF_HAS_NC4 to the
> compilation flags of the frmts/netcdf/*.cpp files
>
>
> --
> Spatialys - Geospatial professional services
> http://www.spatialys.com
>
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