math-pari doesn't get picked up as already installed by g-cpan.pl Reproducible: Always Steps to Reproduce: 1. g-cpan.pl Crypt::DES Actual Results: Watch it try and install Math::Pari even if you already have dev-perl/math-pari installed Expected Results: Realiased it was already installed and used the installed copy.
will fix
fixed, emerge g-cpan