nixpkgs/overlays/gcompris.nix

   1 finalPkgs: previousPkgs: {
   2   gcompris = previousPkgs.gcompris.overrideAttrs (previousAttrs: rec {
   3     buildInputs = previousAttrs.buildInputs ++ [ finalPkgs.qt5.qtimageformats ];
   4   });
   5 }