anchor.diff:        url = "mirror://cpan/authors/id/A/AL/ALEXMV/${name}.tar.gz";
         sha256 = "247a9f5a88bb6745281c00d0f7d5d94e8599a92396849fd9571356dda047fd35";
       };
  -    buildInputs = with pkgs; [ which gnupg1compat ];
  +    buildInputs = [ pkgs.which pkgs.gnupg1compat ];
       propagatedBuildInputs = [ Moo MooXHandlesVia MooXlate ];
       doCheck = false;
       meta = {
  
positive.code:       sha256 = "84756e9b07a2555c8eecf88e63d5cbbba9b1aa97b1e71a3d4aa524a7995a88ad";
      };
      makeMakerFlags = "X11INC=${pkgs.xorg.libX11.dev}/include X11LIB=${pkgs.xorg.libX11.out}/lib";
      buildInputs = with pkgs; [ xorg.libX11 libpng ];
      doCheck = false;            # Expects working X11.
      meta = {
        homepage = https://metacpan.org/pod/distribution/Tk/Tk.pod;
  
negative.code:       \$(BASEEXT)\$(OBJ_EXT): \$(BASEEXT).xsi
  
        \$(BASEEXT).xsi: \$(DBI_DRIVER_XST) $autodir/Driver_xst.h
          \$(PERL) -p -e "s/~DRIVER~/\$(BASEEXT)/g" \$(DBI_DRIVER_XST) > \$(BASEEXT).xsi
  
        # ---
        ';
  