Well, cargo has it. So does go build. And dune. And MSBuild. And... basically, every language-specific (and non-specific) build tool out there handles it, so ye

Well, cargo has it. So does go build. And dune. And MSBuild. And... basically, every language-specific (and non-specific) build tool out there handles it, so yes? Sure, it's not exactly according to the UNIX philosophy but judging by other comments in this thread, if one wants a low-level parallelizeable build tool, they should use Ninja instead of Make anyhow.