anchor.diff:      zlibSupport = !stdenv ? isDietLibC;
     };
   
  -  relfsFun = lib.sumArgs (selectVersion ../tools/misc/relfs) {
  +  relfsFun = lib.sumArgs (selectVersion ../tools/misc/relfs "cvs.2007.12.01") {
       inherit fetchcvs stdenv ocaml postgresql fuse pcre
         builderDefs e2fsprogs pkgconfig;
       inherit (gnome) gnomevfs GConf;
     };
   
  -  relfs = relfsFun {
  -    version = "cvs.2007.12.01";
  -  } null;
  +  relfs = relfsFun null;
   
     replace = import ../tools/text/replace {
       inherit fetchurl stdenv;
  
positive.code:     python = builtins.getAttr "2.5" python_alts;
    };
  
    qemuFun = lib.sumArgs (selectVersion ../applications/virtualization/qemu ) {
      inherit fetchurl;
      stdenv = overrideGCC stdenv gcc34;
      builderDefs = builderDefs {
  
negative.code: 
    construo = construoFun {
      inherit mesa freeglut;
    } null;
  
    exult = import ../games/exult {
  