anchor.diff:    ];
   
     mesonFlags = [
  -    "-Dintrospection=${lib.boolToString withIntrospection}"
  +    "-Dintrospection=${lib.boolToString (stdenv.buildPlatform == stdenv.hostPlatform)}"
     ];
   
     doCheck = true;
  
positive.code: 
    outputs = [ "out" "dev" ];
  
    nativeBuildInputs = [ meson ninja pkg-config gettext glib ]
      ++ lib.optional stdenv.hostPlatform.isDarwin fixDarwinDylibNames
      ++ lib.optional withIntrospection gobject-introspection;
  
    propagatedBuildInputs = [
      # Required by atk.pc
  
negative.code: { lib, stdenv, fetchurl, meson, ninja, gettext, pkg-config, glib
  , fixDarwinDylibNames, gobject-introspection, gnome
  }:
  
  let
  