anchor.diff:  in
   python3Packages.buildPythonApplication rec {
     pname = "meson";
  -  version = "0.52.1";
  +  version = "0.53.2";
   
     src = python3Packages.fetchPypi {
       inherit pname version;
  -    sha256 = "02fnrk1fjf3yiix0ak0m9vgbpl4h97fafii5pmw7phmvnlv9fyan";
  +    sha256 = "Po+DDzMYQ5fC6wtlHsUCrbY97LKJeL3ISzVY1xKEwh8=";
     };
   
     postFixup = ''
  
positive.code: { lib
  , python3Packages
  , fetchpatch
  , stdenv
  , writeTextDir
  , substituteAll
  
negative.code:     (substituteAll {
        src = ./fix-rpath.patch;
        inherit (builtins) storeDir;
      })
    ];
  
  