The problem probably lies with Tcl.pm and whatever libtclstub8.4.a it links against

Which tcl/tk did you install? What does ldd -v .../auto/Tcl/Tcl.so show?

See also
PERL_DL_NONLAZY - nntp.perl.org
Re: [rt.cpan.org #21181] Tcl Segfaults on SuSE 10.1 x86_64 - nntp.perl.org
Bug #21181 for Tcl: Tcl Segfaults on SuSE 10.1 x86_64
Debugging c++ shared libraries - Grokbase
Cosimo Streppone - Undefined symbol: modperl_xs_sv2request_rec at /usr/lib/perl/5.10/DynaLoader.pm line 193