anchor.diff:    hello = all;
     icecat3Xul = [ "i686-linux" ];
     idutils = all;
  +  imagemagick = all;
     inetutils = linux;
  +  inkscape = linux;
     jnettop = linux;
  +  kernel_2_6_28 = linux;
     libsmbios = linux;
     libtool = all;
     lsh = linux;
     manpages = all;
     maxima = all;
     mercurial = all;
  +  mesa = linux;
     monotone = all;
     mysql = all;
     nano = all;
     nssmdns = linux;
  +  ntfs3g = linux;
     octave = all;
     openoffice = linux;
     openssh = all;
     pan = linux;
     perl = all;
  +  pidgin = all;
     pltScheme = linux;
     pmccabe = all;
     portmap = linux;
     postgresql = all;
     python = all;
  +  pythonFull = linux;
     ruby = all;
     qt3 = all;
     qt4 = all;
  
positive.code:   avahi = allBut "i686-cygwin";  # Cygwin builds fail
    bash = all;
    bazaar = all;
    bitlbee = all;
    boost = all;
    cdrkit = linux;
    cedet = all;
  
negative.code:   
    xorg = {
      libX11 = linux;
      xorgserver = linux;
    };
  
  }
  