anchor.diff:  
     enableParallelBuilding = true;
   
  -  nativeBuildInputs = [ perl gfortran openssh ];
  +  nativeBuildInputs = [ perl openssh ];
   
     buildInputs = [
       blas
  
positive.code:     globalarrays
      lapack
      libxml2
      openmpi
      python3
    ];
  
    configureFlags = [
      "--enable-integer8"
      "--enable-aims"
    ] ++ lib.optional blas.isILP64 "--with-lapack-int64";
  
    prePatch = ''
      tar xf ${deps}
  
negative.code: { lib, stdenv, token, fetchgit, requireFile, python3, perl, gfortran
  , eigen, globalarrays, libxml2, blas, lapack, mpi, openssh
  } :
  
  assert token != null;
  