anchor.diff:      "--with-dhcpcd=no"
       "--with-pppd=${ppp}/bin/pppd"
       "--with-iptables=${iptables}/bin/iptables"
  -    #"--with-udev-dir=$(out)/lib/udev"
  +    # to enable link-local connections
  +    "--with-udev-dir=${placeholder "out"}/lib/udev"
       "--with-resolvconf=${openresolv}/sbin/resolvconf"
       "--sysconfdir=/etc" "--localstatedir=/var"
  -    "--with-dbus-sys-dir=\${out}/etc/dbus-1/system.d"
  +    "--with-dbus-sys-dir=${placeholder "out"}/etc/dbus-1/system.d"
       "--with-crypto=gnutls" "--disable-more-warnings"
       "--with-systemdsystemunitdir=$(out)/etc/systemd/system"
       "--with-kernel-firmware-dir=/run/current-system/firmware"
  
positive.code: 
    doCheck = false; # requires /sys, the net
  
    preInstall = ''
      installFlagsArray=( "sysconfdir=$out/etc" "localstatedir=$out/var" "runstatedir=$out/var/run" )
    '';
  
    postInstall = ''
      mkdir -p $out/lib/NetworkManager
  
negative.code:   preConfigure = ''
      substituteInPlace configure --replace /usr/bin/uname ${coreutils}/bin/uname
      substituteInPlace configure --replace /usr/bin/file ${file}/bin/file
  
      # Fixes: error: po/Makefile.in.in was not created by intltoolize.
      intltoolize --automake --copy --force
  