marisa: Fix host building

overlays/default.nix

@@ -8,6 +8,7 @@ let
       (import inputs.emacs-overlay)
       (import ./rustfmt)
       (import ./dns { inherit inputs; })
+      (import ./local.nix)
     ] ++ (map (path: import "${path}/overlay.nix") [
       inputs.arcexprs
       inputs.katexprs

overlays/local.nix

@@ -0,0 +1,3 @@
+final: prev: {
+  vips = prev.vips.override { libjxl = null; };
+}