anchor.diff:      platforms = platforms.linux;
     };
   }
  -
  
positive.code: { lib, stdenv, pkgs, fetchFromGitLab, fetchpatch, cmake, gfortran, perl
  , openblas, hdf5-full, python3, texlive
  , armadillo, makeWrapper, fetchFromGitHub, chemps2
  } :
  
  let
    version = "21.02";
    gitLabRev = "v${version}";
  
    python = python3.withPackages (ps : with ps; [ six pyparsing ]);
  
  
negative.code:   src = fetchFromGitLab {
      owner = "Molcas";
      repo = "OpenMolcas";
      rev = "41cee871945ac712e86ee971425a49a8fc60a936";
      sha256 = "0cap53gy1wds2qaxbijw09fqhvfxphfkr93nhp9xdq84yxh4wzv6";
    };
  
  