anchor.diff:      libgsf
       libxml2
       pango
  +    rustPackages.rust-std
     ];
   
  +  CARGO_IGNORE_INDEX = true;
  +
     configureFlags = [
  +    "--disable-maintainer-mode"
       "--disable-tools"
       "--${boolEn (gobject-introspection != null)}-introspection"
  -    "--disable-vala"
     ];
   
     # Librsvg updates gdk-pixbuf's loader cache by default, this forces the
  
positive.code: , fetchurl
  , lib
  
  , bzip2
  , cairo
  , fontconfig
  , gdk-pixbuf
  , glib
  , gobject-introspection
  
negative.code: , libgsf
  , libxml2
  , pango
  , rustPackages
  }:
  
  let
    inherit (lib)
      boolEn;
  
    channel = "2.44";
    version = "${channel}.13";
  in
  stdenv.mkDerivation rec {
    name = "librsvg-${version}";
  