anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "suitesparse";
  -  version = "5.7.1";
  +  version = "5.7.2";
   
     outputs = [ "out" "dev" "doc" ];
   
  
positive.code:     owner = "DrTimothyAldenDavis";
      repo = "SuiteSparse";
      rev = "v${version}";
      sha256 = "SA9SQKRDKUI1GilNMuCXljcvovLUwRKBUi/tiQ4dl5w=";
    };
  
    nativeBuildInputs = [
  
negative.code:     "library"
    ];
  
    # Likely fixed after 5.7.2
    # https://github.com/DrTimothyAldenDavis/SuiteSparse/commit/f6daae26ee391e475e2295e77c839aa7c1a8b784
    postInstall = stdenv.lib.optionalString stdenv.isDarwin ''
      # The fixDarwinDylibNames in nixpkgs can't seem to fix all the libraries.
  