anchor.diff:            { name = "libtss2-esys.so.0"; pkg = opt withTpm2Tss tpm2-tss; }
             { name = "libtss2-rc.so.0"; pkg = opt withTpm2Tss tpm2-tss; }
             { name = "libtss2-mu.so.0"; pkg = opt withTpm2Tss tpm2-tss; }
  +          { name = "libtss2-tcti-"; pkg = opt withTpm2Tss tpm2-tss; }
             { name = "libfido2.so.1"; pkg = opt withFido2 libfido2; }
           ];
   
  
positive.code:     ++ lib.optionals withHomed [ p11-kit ]
      ++ lib.optionals (withHomed || withCryptsetup) [ libfido2 ]
      ++ lib.optionals withLibBPF [ libbpf ]
    ;
  
    #dontAddPrefix = true;
  
negative.code:         '' else ''
            # ensure that the library we provide actually exists
            if ! [ -e ${library} ]; then
              # exceptional case, details:
              # https://github.com/systemd/systemd-stable/blob/v249-stable/src/shared/tpm2-util.c#L157
              if ! [[ "${library}" =~ .*libtss2-tcti-$ ]]; then
                echo 'The shared library `${library}` does not exist but was given as subtitute for `${dl.name}`'
                exit 1
              fi
            fi
            # make the path to the dependency explicit
            for file in $(grep -lr '"${dl.name}"' src); do
  