I probably can compile it, I probably could fix it if I had to. It would be perfect except for the ActiveState unavailability, so if I list it as a pre-req, my module won't build on ActiveState's system. I see the author of Math::Int64 has made 4 devel version releases since the last stable release. ActiveState's packager doesn't build or see devel releases though. To embed it without using its C api (not create a pre-req), the entire thing would have to be copy pasted because of its operator overloading.