I find it depends on the scale of the project. If I just need something to encapsulate my test runner and packing tool invocations, then I'll just toss those in

I find it depends on the scale of the project. If I just need something to encapsulate my test runner and packing tool invocations, then I'll just toss those in a five-line Makefile, because why add a heavyweight build tool most of whose capabilities I'm not going to exercise?