anchor.diff:      # Build definition checks for the Python modules needed at runtime by importing them.
       (buildPackages.python3.withPackages pythonModules)
       finalAttrs.setupHook # move .gir files
  -  ] ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [ gobject-introspection-unwrapped ];
  +  ] ++ lib.optionals (!stdenv.buildPlatform.canExecute stdenv.hostPlatform) [ gobject-introspection-unwrapped ];
   
     buildInputs = [
       (python3.withPackages pythonModules)
  
positive.code:     })
    ];
  
    nativeBuildInputs = [
      meson
      ninja
  
negative.code:     "--datadir=${placeholder "dev"}/share"
      "-Dcairo=disabled"
      "-Dgtk_doc=${lib.boolToString (stdenv.hostPlatform == stdenv.buildPlatform)}"
    ] ++ lib.optionals (!stdenv.buildPlatform.canExecute stdenv.hostPlatform) [
      "-Dgi_cross_ldd_wrapper=${substituteAll {
        name = "g-ir-scanner-lddwrapper";
        isExecutable = true;
  