anchor.diff:      # --with-rundir=/run/cups
       # XXX: flag is not a proper boolean, build fails with optim enabled
       #"--without-optim"
  -    "--${boolWt (systemd_lib != null)}-systemd"
  +    "--with-systemd"
       "--with-languages=all"
       # --with-cups-user=lp
       # --with-cups-group=lp
  
positive.code:     url = "https://github.com/apple/cups/releases/download/v${version}/"
        + "cups-${version}-source.tar.gz";
      hashOutput = false;
      sha256 = "77c8b2b3bb7fe8b5fbfffc307f2c817b2d7ec67b657f261a1dd1c61ab81205bb";
    };
  
    buildInputs = [
  
negative.code:     };
    };
  
    meta = with lib; {
      homepage = https://cups.org/;
      description = "A standards-based printing system for UNIX";
      license = with licenses; [
  