anchor.diff:      url = "https://github.com/zeromq/libzmq/releases/download/v${version}/"
         + "${name}.tar.gz";
       hashOutput = false;
  -    sha256 = "5b23f4ca9ef545d5bd3af55d305765e3ee06b986263b31967435d285a3e6df6b";
  +    sha256 = "8f1e2b2aade4dbfde98d82366d61baef2f62e812530160d2e6d0a5bb24e40bc0";
     };
  -
  -  nativeBuildInputs = [
  -    asciidoc
  -    docbook_xml_dtd_45
  -    docbook-xsl
  -    libxslt
  -    xmlto
  -  ];
   
     buildInputs = [
       krb5_lib
  
positive.code:   ];
  
    configureFlags = [
      "--with-gssapi_krb5"
      "--with-libsodium"
      # "--with-pgm" # TODO: Implement
    ];
  
    passthru = {
  
negative.code: { stdenv
  , fetchurl
  
  , krb5_lib
  , libsodium
  