You will need to show us the output of the failing test file. That means not running make test but running the test in isolation, by using

make
perl -Mblib -w t/map8.t

[download]

That will show you the message why the test fails. As to the potential deeper reason of why the assumptions of the author about the code fail, I don't know.

In reply to Re^4: cpan install Unicode::Map8 failed by Corion
in thread cpan install Unicode::Map8 failed by PhillipHuang

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