anchor.diff:  
   stdenv.mkDerivation rec {
     name = "gobject-introspection-${versionMajor}.${versionMinor}";
  -  versionMajor = "1.46";
  +  versionMajor = "1.48";
     versionMinor = "0";
     version = "${versionMajor}.${versionMinor}";
   
     src = fetchurl {
       url = "mirror://gnome/sources/gobject-introspection/${versionMajor}/${name}.tar.xz";
  -    sha256 = "0cs27r18fga44ypp8icy62fwx6nh70r1bvhi4lzfn4w85cybsn36";
  +    sha256 = "fa275aaccdbfc91ec0bc9a6fd0562051acdba731e7d584b64a277fec60e75877";
     };
   
     nativeBuildInputs = [
  
positive.code:     (wtFlag "cairo" doCheck null)
    ];
  
    postInstall = "rm -rvf $out/share/gtk-doc";
  
    doCheck = false;
  
negative.code:       codyopel
      ];
      platforms = with platforms;
        x86_64-linux;
    };
  }
  