diff --git a/overlays/cross.nix b/overlays/cross.nix
index c4e2abac..f962a077 100644
--- a/overlays/cross.nix
+++ b/overlays/cross.nix
@@ -224,6 +224,10 @@ let
             stdenvNoCC = emulated.stdenvNoCC;
             buildPackages = final.hostPackages;  # TODO: just `final`?
           }
+        # else if p.pname == final.python3.pname then
+        #   p // {
+        #     pythonForBuild = p;
+        #   }
         # else if p.pname == "wrap-gapps-hook" then
         #   # avoid faulty propagated gtk3/gtk4
         #   final.wrapGAppsNoGuiHook
@@ -1649,6 +1653,34 @@ in {
   #     exec ${lib.getBin final.stdenv.cc}/bin/${final.stdenv.cc.targetPrefix}cc -E $@;
   #   '';
   # });
+
+  sane-weather = prev.sane-weather.override {
+    # we need introspection to be able to call libgweather from python,
+    # but introspection's only built for non-cross.
+    # enabling introspection on cross is tricky because `gen_locations_variant.py`
+    # outputs binary files (Locations.bin) which use the endianness of the build machine
+    # OTOH, aarch64 and x86_64 have same endianness: why not just ignore the issue, then?
+    # upstream issue (loosely related): <https://gitlab.gnome.org/GNOME/libgweather/-/issues/154>
+    # libgweather = buildInQemu (final.libgweather.override {
+    #   gobject-introspection = final.gobject-introspection.override {
+    #     buildPackages = final;
+    #   };
+    #   python3.pythonForBuild = final.python3;
+    #   # withIntrospection = false;
+    # });
+    libgweather = (final.libgweather.override {
+      withIntrospection = true;
+    }).overrideAttrs (upstream: {
+      # TODO: the `is_cross_build` change to meson.build is in nixpkgs, but specifies the wrong filepath
+      #   (libgweather/meson.build instead of meson.build)
+      postPatch = (upstream.postPatch or "") + ''
+        sed -i '2i import os; os.environ["GI_TYPELIB_PATH"] = ""' build-aux/meson/gen_locations_variant.py
+        substituteInPlace meson.build \
+          --replace "g_ir_scanner.found() and not meson.is_cross_build()" "g_ir_scanner.found()"
+      '';
+    });
+  };
+
   # sequoia = prev.sequoia.override {
   #   # fails to fix original error
   #   inherit (emulated) stdenv;