check_symbol_exists (nc_def_var_deflate netcdf.h HAVE_NETCDF4)

endif (NETCDF_LIBRARY AND NETCDF_INCLUDE_DIR AND NOT HAVE_NETCDF4)

find_package_handle_standard_args (NETCDF
  DEFAULT_MSG NETCDF_LIBRARY NETCDF_INCLUDE_DIR HAVE_NETCDF4)

CHECK_C_SOURCE_COMPILES("
#include <netcdf_meta.h>
#if !NC_HAS_NC4
      choke me
#endif
int main() {return 0;}" HAVE_NETCDF4)