anchor.diff:    configureFlags = [
       "--sysconfdir=/etc"
       "--localstatedir=/var"
  -    "--enable-crypt-xlator"
       "--with-ipv6-default"
       "--with-mountutildir=/run/current-system/sw/bin"
     ];
  
positive.code:     which
    ];
  
    versionMajor = "5";
    versionMinor = "5";
    version = "${versionMajor}.${versionMinor}";
  in
  stdenv.mkDerivation rec {
  
negative.code:   src = fetchurl {
      url = "https://download.gluster.org/pub/gluster/glusterfs/${versionMajor}/"
        + "${version}/${name}.tar.gz";
      sha256 = "9892746c44e4ab85412f6f4948ef9731232238e4628454a1a74a55482ceaf0d5";
    };
  
    nativeBuildInputs = [
  