Added information re: setting the environment variables, adapted from old documentation at https://www.unidata.ucar.edu/software/netcdf/docs/netcdf-install/Environment.html#Environment.  I suspect this will need to be made available for C instructions as well.
Added information re: setting the environment variables, adapted from old documentation at https://www.unidata.ucar.edu/software/netcdf/docs/netcdf-install/Environment.html#Environment.  I suspect this will need to be made available for C instructions as well.

Unidata/netcdf-c,Unidata/netcdf-c,Unidata/netcdf-c,Unidata/netcdf-c