anchor.diff:  
     doCheck = !stdenv.isAarch64;
   
  -  LC_ALL = "en_US.UTF-8"; # for tests
  -
  -  preBuild = ''
  +  preCheck = ''
       # Our gobject-introspection patches make the shared library paths absolute
       # in the GIR files. When running tests, the library is not yet installed,
       # though, so we need to replace the absolute path with a local one during build.
  
positive.code:     ln -s $PWD/tests/scanner/libregress-1.0${stdenv.targetPlatform.extensions.sharedLibrary} $out/lib/libregress-1.0${stdenv.targetPlatform.extensions.sharedLibrary}
    '';
  
    preInstall = ''
      rm $out/lib/libregress-1.0${stdenv.targetPlatform.extensions.sharedLibrary}
    '';
  
  
negative.code:     meson
      ninja
      pkg-config
    ];
  
    buildInputs = [
  