anchor.diff:      ./genbs
     '';
   
  -  buildInputs = [ gfortran fftw protobuf liblapack
  -                  blas bzip2 zlib libxml2
  -                  flex bison ];
  +  buildInputs = [ gfortran fftw protobuf openblas
  +                  bzip2 zlib libxml2 flex bison ];
     nativeBuildInputs = [ automake autoconf libtool ];
   
     meta = {
  
positive.code: 
    patches = [ ./multistate.patch ];
  
    configureFlags = [ "--enable-openmp" ];
  
    enableParallelBuilding = true;
  
  
negative.code: { stdenv, fetchurl, requireFile, gfortran, fftw, protobuf, openblas
  , automake, autoconf, libtool, zlib, bzip2, libxml2, flex, bison
  }:
  
  let
  