anchor.diff:                   -I${libint2}/include
       LIBS       = -lfftw3 -lfftw3_threads -lscalapack -lblas -llapack \
                    -lxcf03 -lxc -lxsmmf -lxsmm -lsymspg \
  -                 -lint2 -lstdc++ \
  +                 -lint2 -lstdc++ -lvori \
                    -fopenmp
       LDFLAGS    = \$(FCFLAGS) \$(LIBS)
       EOF
  
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
  } :
  