anchor.diff:    };
   
     kernelPackages_2_6_27 = {
  -    aufs = linux;
  +    # aufs = linux; # kernel seems to be too old for that package 
       kernel = linux;
     };
     
  
positive.code:   autoconf = all;
    avahi = allBut "i686-cygwin";  # Cygwin builds fail
    bash = all;
    bazaar = all;
    bitlbee = linux;
    boost = all;
    cdrkit = linux;
    cedet = all;
    emacs22 = all;
    emacsUnicode = all;
    emms = linux;
  
negative.code:   lout = linux;
    lsh = linux;
    manpages = all;
    maxima = linux;
    mercurial = allBut "i686-cygwin";
    mesa = linux;
    monotone = linux;
    mysql = linux;
    nano = allBut "i686-cygwin";
    nssmdns = linux;
    ntfs3g = linux;
    octave = linux;
    openoffice = linux;
    openssh = linux;
    pan = linux;
    perl = all;
    pidgin = linux;
    pltScheme = linux;
    pmccabe = linux;
    portmap = linux;
    postgresql = all;
    python = allBut "i686-cygwin";
    pythonFull = linux;
    rubber = allBut "i686-cygwin";
    ruby = all;
    qt3 = allBut "i686-cygwin";
    qt4 = linux;
    rsync = linux;
    sloccount = allBut "i686-cygwin";
    sqlite3 = allBut "i686-cygwin";
    strace = linux;
    subversion = linux;
    tcpdump = linux;
    texinfo = all;
    texLive = linux;
    thunderbird = linux;
    vimHugeX = linux;
    vlc = linux;
    webkit = linux;
    wine = ["i686-linux"];
    wirelesstools = linux;
    xlockmore = linux;
  