How do I collect coverage from child processes when running `cover -test`, and not otherwise? (Devel::Cover)
问题 (I think I've seen the answer to this, but I can't find it again. The closest I have come across is this question). I am hacking on prt and am trying to get full coverage data for my changes. Some of my new tests call system($^X, 'prt', ...) to run child processes. I then test the output of those processes. However, Devel::Cover does not collect coverage data in the child processes. How do I collect that data, without causing Devel::Cover to run when I do a regular make test ? Currently I