Not a lot of people these days care about portability, unfortunately. You'll be lucky if your project's build scripts run the same way on both Debian and vanil

Not a lot of people these days care about portability, unfortunately. You'll be lucky if your project's build scripts run the same way on both Debian and vanilla macOS. And when they don't, the answer people will give you is probably something like “Just install GNU tools!”. *BSD? Forget about it.