anchor.diff:  assert opencvSupport -> opencv != null;
   
   stdenv.mkDerivation rec {
  -
     pname = "shogun";
     version = "6.0.0";
     name = pname + "-" + version;
  
positive.code:     license = licenses.gpl3;
      maintainers = with maintainers; [ edwtjo ];
    };
  
  }
  
negative.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";
      })
      (fetchpatch {
        url = "https://github.com/awild82/shogun/commit/365ce4c4c700736d2eec8ba6c975327a5ac2cd9b.patch";
        sha256 = "158hqv4xzw648pmjbwrhxjp7qcppqa7kvriif87gn3zdn711c49s";
      })
    ];
  
    CCACHE_DIR=".ccache";
  
  