pkgsStatic.libGL: mark unsupported

pkgs/development/libraries/mesa/default.nix

···
     changelog = "https://www.mesa3d.org/relnotes/${version}.html";
     license = with lib.licenses; [ mit ]; # X11 variant, in most files
     platforms = lib.platforms.mesaPlatforms;
+    badPlatforms = []; # Load bearing for libGL meta on Darwin.
     maintainers = with lib.maintainers; [ primeos vcunat ]; # Help is welcome :)
   };
 };

pkgs/development/libraries/mesa/stubs.nix

···
     description = "Stub bindings using " + (if stdenv.hostPlatform.isDarwin then "mesa" else "libglvnd");
     pkgConfigModules = [ "gl" "egl" "glesv1_cm" "glesv2" ];
   } // {
-    inherit (if stdenv.hostPlatform.isDarwin then mesa.meta else libglvnd.meta) homepage license platforms;
+    inherit (if stdenv.hostPlatform.isDarwin then mesa.meta else libglvnd.meta)
+      homepage license platforms badPlatforms;
   };
 })