in reply to Test harness, test more
prove -vm t/*.t
Gives me: Unknown option: m. Maybe you meant prove -vb t/*.t ?
BTW, thanks for the tip, I was used to run make test TEST_VERBOSE=1 before, but prove is much shorter and lets you choose the tests to run.
It looks like the -m switch came about in newer versions of TAP::Harness; I'm using 3.02: