I'm always wary of tools that as an extra compilation step, because of the added complexity. (Look at the common C workflow: cc was too hard to use on its own,

I'm always wary of tools that as an extra compilation step, because of the added complexity. (Look at the common C workflow: cc was too hard to use on its own, so make was created; make was too hard to use on its own, so autoconf was created; m4; ...) I hope the user experience makes it worth the complexity.