anchor.diff:    };
   
     meta = with lib; {
  -    homepage = "http://miniupnp.free.fr/";
  +    homepage = "https://miniupnp.tuxfamily.org/";
       description = "A daemon that implements the UPnP Internet Gateway Device (IGD) specification";
       platforms = platforms.linux;
       license = licenses.bsd3;
  
positive.code: { stdenv, lib, fetchurl, iptables, libuuid, pkg-config
  , which, iproute2, gnused, coreutils, gawk, makeWrapper
  , nixosTests
  }:
  
negative.code: in
  stdenv.mkDerivation rec {
    pname = "miniupnpd";
    version = "2.3.1";
  
    src = fetchurl {
      url = "https://miniupnp.tuxfamily.org/files/miniupnpd-${version}.tar.gz";
      sha256 = "0crv975qqppnj27jba96yysq2911y49vjd74sp9vnjb54z0d9pyi";
    };
  
    buildInputs = [ iptables libuuid openssl ];
    nativeBuildInputs= [ pkg-config makeWrapper ];
  
  
    # ./configure is not a standard configure file, errors with:
    # Option not recognized : --prefix=
    dontAddPrefix = true;
  
    installFlags = [ "PREFIX=$(out)" "INSTALLPREFIX=$(out)" ];
  
  