qt6.qtwayland: set meta.{platforms,badPlatforms}

pkgs/development/libraries/qt-6/default.nix

@@ -168,7 +168,7 @@ let
           {
             name = "wrap-qt6-apps-hook";
             propagatedBuildInputs = [ makeBinaryWrapper ];
-            depsTargetTargetPropagated = lib.optionals stdenv.isLinux [ qtwayland.out ];
+            depsTargetTargetPropagated = lib.optionals (lib.meta.availableOn stdenv.targetPlatform qtwayland) [ qtwayland.out ];
           } ./hooks/wrap-qt-apps-hook.sh)
         { };
 

pkgs/development/libraries/qt-6/modules/qtwayland.nix

@@ -1,4 +1,5 @@
-{ qtModule
+{ lib
+, qtModule
 , qtbase
 , qtdeclarative
 , wayland
@@ -22,4 +23,9 @@ qtModule {
   postPatch = ''
     cp ${wayland-scanner}/share/wayland/wayland.xml src/3rdparty/protocol/wayland/wayland.xml
   '';
+
+  meta = {
+    platforms = lib.platforms.unix;
+    badPlatforms = lib.platforms.darwin;
+  };
 }