anchor.diff:        xscreensaver = linux;
         xsel = linux;
         xterm = linux;
  -      xxdiff = linux;
         zdelta = linux;
  -      zile = linux;
  -      zip = all;
         zsh = linux;
         zsnes = ["i686-linux"];
   
  
positive.code:       nano = allBut cygwin;
        ncat = linux;
        netcat = all;
        nfsUtils = linux;
        nmap = linux;
        nss_ldap = linux;
        nssmdns = linux;
        ntfs3g = linux;
        ntp = linux;
        ocaml = linux;
        octave = linux;
        openssl = all;
        pam_console = linux;
        pam_login = linux;
        pan = gtkSupported;
        par2cmdline = all;
        pavucontrol = linux;
        pciutils = linux;
        pdf2xml = all;
        perl = all;
        php = linux;
        pidgin = linux;
        pinentry = linux;
        pltScheme = linux;
        pmccabe = linux;
        portmap = linux;
        postgresql = all;
        postfix = linux;
        ppl = all;
        procps = linux;
        pthreadmanpages = linux;
        pygtk = linux;
        pyqt4 = linux;
        python = allBut cygwin;
        pythonFull = linux;
        sbcl = linux;
        qt3 = linux;
        quake3demo = linux;
        readline = all;
        reiserfsprogs = linux;
        rlwrap = all;
        rogue = all;
        rpm = linux;
        rsync = linux;
        rubber = allBut cygwin;
        ruby = all;
        rxvt_unicode = linux;
        screen = linux ++ darwin;
        scrot = linux;
        sdparm = linux;
        seccure = linux;
        sgtpuzzles = linux;
        sharutils = all;
        slim = linux;
        sloccount = allBut cygwin;
        smartmontools = linux;
        spidermonkey = linux;
        sqlite = allBut cygwin;
        squid = linux;
        ssmtp = linux;
        stdenv = prio 175 all;
        stlport = linux;
        strace = linux;
        su = linux;
        sudo = linux;
        superTuxKart = linux;
        swig = linux;
        sylpheed = linux;
        sysklogd = linux;
        syslinux = ["i686-linux"];
        sysvinit = linux;
  
negative.code:       time = linux;
        tinycc = linux;
        uae = linux;
        unrar = linux;
        upstart = linux;
        usbutils = linux;
        utillinux = linux;
        utillinuxCurses = linux;
        viking = linux;
        vice = linux;
        vim = linux;
        vimHugeX = linux;
        vncrec = linux;
        vorbisTools = linux;
        vsftpd = linux;
        w3m = all;
        weechat = linux;
        which = all;
        wicd = linux;
        wine = ["i686-linux"];
        wirelesstools = linux;
        wxGTK = linux;
        x11_ssh_askpass = linux;
  