As a sidenote, I appreciate the sense of humor that the tup author has: "In a typical build system, the dependency arrows go down. Although this is the way the

As a sidenote, I appreciate the sense of humor that the tup author has: "In a typical build system, the dependency arrows go down. Although this is the way they would naturally go due to gravity, it is unfortunately also where the enemy's gate is. ... In tup, the arrows go up. This is obviously true because it rhymes." "<diagram of tup vs make> See the difference? The arrows go up." http://gittup.org/tup/tup_vs_mordor.html http://gittup.org/tup/tup_vs_mordor.html