anchor.diff:      inherit devicemapper;
     };
   
  -  libuuid = if stdenv.system != "i686-darwin" then utillinuxng else null;
  +  libuuid = if ! stdenv.isDarwin then utillinuxng else null;
   
     e2fsprogs = import ../os-specific/linux/e2fsprogs {
       inherit fetchurl stdenv pkgconfig libuuid;
  
positive.code:   };
  
    findutils = useFromStdenv "findutils"
      (if system == "i686-darwin" then findutils4227 else
        import ../tools/misc/findutils {
          inherit fetchurl stdenv coreutils;
        }
  
negative.code:     inherit fetchurl stdenv texinfo perl
              gnused groff libxml2 libxslt makeWrapper;
      inherit (perlPackages) XMLSAX XMLParser XMLNamespaceSupport;
      libiconv = if stdenv.isDarwin then libiconv else null;
    };
  
    dosfstools = composedArgsAndFun (import ../tools/misc/dosfstools) {
  