anchor.diff:  { lib, stdenv
  -, fetchpatch
  -, fetchurl
  +, fetchurl, unzip
   , hdf5
   , m4
   , curl # for DAP
  
positive.code:   inherit (hdf5) mpiSupport mpi;
  in stdenv.mkDerivation rec {
    pname = "netcdf" + lib.optionalString mpiSupport "-mpi";
    version = "4.8.0"; # Remove patch mentioned below on upgrade
  
    src = fetchurl {
      url = "https://www.unidata.ucar.edu/downloads/netcdf/ftp/netcdf-c-${version}.tar.gz";
      sha256 = "1mfn8qi4k0b8pyar3wa8v0npj69c7rhgfdlppdwmq5jqk88kb5k7";
    };
  
    patches = [
      # Fixes:
      #     *** Checking vlen of compound file...Sorry! Unexpected result, tst_h_atts3.c, line: 289
      #     FAIL tst_h_atts3 (exit status: 2)
      # TODO: Remove with next netcdf release (see https://github.com/Unidata/netcdf-c/pull/1980)
      (fetchpatch {
        name = "netcdf-Fix-tst_h_atts3-for-hdf5-1.12.patch";
        url = "https://github.com/Unidata/netcdf-c/commit/9fc8ae62a8564e095ff17f4612874581db0e4db5.patch";
        sha256 = "128kxz5jikq32x5qjmi0xdngi0k336rf6bvbcppvlk5gibg5nk7v";
      })
    ];
  
    postPatch = ''
      patchShebangs .
  
negative.code:   '';
  
    doCheck = !(mpiSupport || (stdenv.isDarwin && stdenv.isAarch64));
    checkInputs = [ unzip ];
  
    meta = {
        description = "Libraries for the Unidata network Common Data Format";
  