anchor.diff:  assert opencvSupport -> opencv != null;
   
   stdenv.mkDerivation rec {
  -
     pname = "shogun";
     version = "6.0.0";
     name = pname + "-" + version;
  
positive.code:     fetchSubmodules = true;
    };
  
    patches = fetchpatch {
      name = "Fix-meta-example-parser-bug-in-parallel-builds.patch";
      url = "https://github.com/shogun-toolbox/shogun/commit/ecd6a8f11ac52748e89d27c7fab7f43c1de39f05.patch";
      sha256 = "1hrwwrj78sxhwcvgaz7n4kvh5y9snfcc4jf5xpgji5hjymnl311n";
    };
  
    CCACHE_DIR=".ccache";
  
  
negative.code:     license = licenses.gpl3;
      maintainers = with maintainers; [ edwtjo ];
    };
  }
  