anchor.diff:      (substituteAll {
         src = ./fix-rpath.patch;
         inherit (builtins) storeDir;
  +    })
  +
  +    # Fix detecting incorrect compiler in the store path hash.
  +    # https://github.com/NixOS/nixpkgs/issues/73417#issuecomment-554077964
  +    # https://github.com/mesonbuild/meson/pull/6185
  +    (fetchpatch {
  +      url = "https://github.com/mesonbuild/meson/commit/972ede1d14fdf17fe5bb8fb99be220f9395c2392.patch";
  +      sha256 = "19bfsylhpy0b2xv3ks8ac9x3q6vvvyj1wjcy971v9d5f1455xhbb";
       })
     ];
   
  
positive.code: { lib
  , python3Packages
  , stdenv
  , writeTextDir
  , substituteAll
  
negative.code: in
  python3Packages.buildPythonApplication rec {
    pname = "meson";
    version = "0.52.1";
  
    src = python3Packages.fetchPypi {
      inherit pname version;
      sha256 = "02fnrk1fjf3yiix0ak0m9vgbpl4h97fafii5pmw7phmvnlv9fyan";
    };
  
    postFixup = ''
  