anchor.diff:      sha256 = "0l99a0shgzpl8rvrrgbm1ki2zxlb7g1n82bhq7f2snj4amfj94b5";
     };
   
  -  buildInputs = [ zlib bzip2 libxml2 openssl ncurses curl libiconv ];
  +  buildInputs = [ zlib bzip2 libxml2 openssl ncurses curl libiconv libmilter ];
   
     configureFlags = [
       "--with-zlib=${zlib}"
  
positive.code: { stdenv, fetchurl, zlib, bzip2, libiconv, libxml2, openssl, ncurses, curl }:
  stdenv.mkDerivation rec {
    name = "clamav-${version}";
    version = "0.98.6";
  
negative.code:     "--with-openssl=${openssl}"
      "--with-libncurses-prefix=${ncurses}"
      "--with-libcurl=${curl}"
      "--enable-milter"
      "--disable-clamav"
    ];
  
  