anchor.diff:      AR         = ar -r
       DFLAGS     = -D__FFTW3 -D__LIBXC -D__LIBINT -D__parallel -D__SCALAPACK \
                    -D__MPI_VERSION=3 -D__F2008 -D__LIBXSMM -D__SPGLIB \
  -                 -D__MAX_CONTR=4
  +                 -D__MAX_CONTR=4 -D__LIBVORI
   
       CFLAGS    = -fopenmp
       FCFLAGS    = \$(DFLAGS) -O2 -ffree-form -ffree-line-length-none \
  
positive.code:     platforms = [ "x86_64-linux" ];
    };
  }
  
  
negative.code: { lib, stdenv, fetchFromGitHub, python3, gfortran, blas, lapack
  , fftw, libint2, libvori, libxc, mpi, gsl, scalapack, openssh, makeWrapper
  , libxsmm, spglib, which
  , optAVX ? false
  } :
  