Junkyard full of random Python, Ruby, or Scala is not any better. Build rules are code, and thus should be treated like one. Not treating them like code is the

Junkyard full of random Python, Ruby, or Scala is not any better. Build rules are code, and thus should be treated like one. Not treating them like code is the main reason many non-trivial makefiles (or rakefiles, or SCons rules, or whatever) look like sh&t.