$ cat blib/arch/auto/Tuxedo/Tuxedo.bs
print "Hello, dynaloader bootstrap...\n";
print "(before) dl_resolve_using=@dl_resolve_using\n";
@dl_resolve_using = dl_findfile('-ltux');
print "(after)  dl_resolve_using=@dl_resolve_using\n";

$ PERL_DL_NONLAZY=1 /path/to/powerpc-AIX6.1/bin/perl "-Iblib/lib" "-Iblib/arch" test.pl
1..1
Hello, dynaloader bootstrap...
(before) dl_resolve_using=
(after)  dl_resolve_using=/opt/tuxedo/11.1_32/lib/libtux.a
Can't load 'blib/arch/auto/Tuxedo/Tuxedo.so' for module Tuxedo: rtld: 0712-001 Symbol tptypes was referenced
      from module blib/arch/auto/Tuxedo/Tuxedo.so(), but a runtime definition
      of the symbol was not found.