anchor.diff:    meta = with lib; {
       description = "Linear Algebra PACKage";
       homepage = "http://www.netlib.org/lapack/";
  +    maintainers = with maintainers; [ ];
       license = licenses.bsd3;
       platforms = platforms.all;
     };
  
positive.code:     "-DLAPACKE=ON"
      "-DCBLAS=ON"
      "-DBUILD_TESTING=ON"
    ]
    ++ optional shared "-DBUILD_SHARED_LIBS=ON";
  
    doCheck = true;
  
  
negative.code: { lib
  , stdenv
  , fetchFromGitHub
  , gfortran
  , cmake
  , shared ? true
  }:
  
  stdenv.mkDerivation rec {
    pname = "liblapack";
    version = "3.10.0";
  
    src = fetchFromGitHub {
      owner = "Reference-LAPACK";
      repo = "lapack";
      rev = "v${version}";
      sha256 = "sha256-ewYUM+M7jDO5LLnB4joiKkqgXjEDmWbFZbgad8x98gc=";
    };
  
    nativeBuildInputs = [ gfortran cmake ];
  