anchor.diff: -{ stdenv, fetchFromGitHub
  +{ stdenv, fetchFromGitHub, fetchpatch
   , meson, ninja, pkgconfig, gettext, libxslt, docbook_xsl_ns
   , libcap, libidn2
   }:
  
positive.code:     "-DBUILD_TFTPD=true"
      "-DNO_SETCAP_OR_SUID=true"
      "-Dsystemdunitdir=etc/systemd/system"
    ]
      # Disable idn usage w/musl (https://github.com/iputils/iputils/pull/111):
      ++ optional stdenv.hostPlatform.isMusl "-DUSE_IDN=false";
  
negative.code:     sha256 = "1jhbcz75a4ij1myyyi110ma1d8d5hpm3scz9pyw7js6qym50xvh4";
    };
  
    patches = [
      # Proposed upstream patch to reduce dependency on systemd: https://github.com/iputils/iputils/pull/297
      (fetchpatch {
        url = "https://github.com/iputils/iputils/commit/13d6aefd57fd471ecad06e19073dcc44608dff5e.patch";
        sha256 = "1n62zxmzp7hgz9qapbbpqv3fxqvc3qyd2a73jhp357x6by84kj49";
      })
    ];
  
    mesonFlags = [
      "-DBUILD_RARPD=true"
  