anchor.diff:    
     xorg = {
       libX11 = linux;
  +    xorgserver = linux;
     };
   
   }
  
positive.code:   hello = all;
    icecat3Xul = [ "i686-linux" ];
    idutils = all;
    inetutils = linux;
    jnettop = linux;
    libsmbios = linux;
    libtool = all;
    lsh = linux;
    manpages = all;
    maxima = all;
    mercurial = all;
    monotone = all;
    mysql = all;
    nano = all;
    nssmdns = linux;
    octave = all;
    openoffice = linux;
    openssh = all;
    pan = linux;
    perl = all;
    pltScheme = linux;
    pmccabe = all;
    portmap = linux;
    postgresql = all;
    python = all;
    ruby = all;
    qt3 = all;
    qt4 = all;
  
negative.code:   avahi = allBut "i686-cygwin";  # Cygwin builds fail
    bash = all;
    bazaar = all;
    bitlbee = linux;
    boost = all;
    cdrkit = linux;
    cedet = all;
  