anchor.diff:    nativeBuildInputs = [
       docbook_xsl
       docbook_xsl_ns
  +    gettext
       intltool
       libtool
       libxslt
     ];
   
     buildInputs = [
  +    adwaita-icon-theme
  +    cairo
       colord
       cups
       fontconfig
  +    gconf
       geoclue2
       geocode-glib
  +    gdk-pixbuf
       glib
       gnome-desktop
       gnome-themes-standard
       gsettings-desktop-schemas
       gtk3
  -    ibus
  +    #ibus
       lcms2
       libcanberra
       libgudev
  
positive.code:     libpulseaudio
      librsvg
      libwacom
      networkmanager
      polkit
      udev
      upower
      xf86_input_wacom
      xkeyboard_config
      xorg.libX11
      xorg.libXext
      xorg.libXi
      xorg.libXfixes
      xorg.libxkbfile
      xorg.libXtst
    ];
  
    NIX_CFLAGS_COMPILE = [
      "-I${glib}/include/gio-unix-2.0"
    ];
  
    preFixup = ''
  
negative.code: , docbook_xsl
  , docbook_xsl_ns
  , fetchurl
  , gettext
  , intltool
  , libtool
  , libxslt
  
  , adwaita-icon-theme
  , cairo
  , colord
  , cups
  , fontconfig
  , gconf
  , gdk-pixbuf
  , geoclue2
  , geocode-glib
  , glib
  