anchor.diff:    gfortran,
     cmake,
     python2,
  -  shared ? false
  +  shared ? true
   }:
   let
     inherit (stdenv.lib) optional;
  
positive.code:     license = licenses.bsd3;
      platforms = platforms.all;
    };
  }
  
negative.code:     sha256 = "0sxnc97z67i7phdmcnq8f8lmxgw10wdwvr8ami0w3pb179cgrbpb";
    };
  
    nativeBuildInputs = [ gfortran python2 cmake ];
  
    cmakeFlags = [
      "-DCMAKE_Fortran_FLAGS=-fPIC"
      "-DLAPACKE=ON"
      "-DCBLAS=ON"
    ]
    ++ optional shared "-DBUILD_SHARED_LIBS=ON";
  
    doCheck = true;
  
    enableParallelBuilding = true;
  
  