in reply to compiling perltk on hp11

Assuming that the failures are basically the same, there's certainly no need to show us the entire test results, but it would be handy if you could show us the output of running:
perl -Mblib t/fail.t
where you replace fail.t with one of the actual test files that demonstrates the failure.

Other than that, you might find something helpful listed among the Tk bug reports. And, looking at the cpantesters results, I notice there's an 804.027_500 release that hasn't got any failures reported (though it's not extensively tested). Perhaps you'd have better luck with it.

Cheers,
Rob