(I was having problem of "session timeout" after submitting the following comment. So here it is instead being a reply at Need IO::Pty help with *BSD/OSX)

I had no problem with /usr/bin/bc test on FreeBSD (FreeBSD 8.4-STABLE #1 r267149). gvl, perhaps you were thinking of dc?

01-test did fail though, not ok 13 - eof_on_pty (perl 5.18.2 compiled…