anchor.diff:        codyopel
       ];
       platforms = with platforms;
  -      i686-linux
  -      ++ x86_64-linux;
  +      x86_64-linux;
     };
   
   }
  
positive.code:     libxmlxx
    ];
  
    doCheck = false;
    enableParallelBuilding = true;
  
    meta = with stdenv.lib; {
      description = "C++ bindings for the GStreamer streaming multimedia library";
      homepage = http://www.gtkmm.org/;
  
negative.code:   version = "${versionMajor}.${versionMinor}";
  
    src = fetchurl {
      url = "mirror://gnome/sources/gstreamermm/${versionMajor}/"
          + "${name}.tar.xz";
      sha256 = "1ipbhbbcym33dqhw701nank3r0dim385qbwznyfad51m6rvz7d8j";
    };
  
  