You said that they are trying to eliminate the dependency on make. Please please please tell me that they are considering something designed like tup instead:
Given how long it takes to build rust, I would hope a faster build system is a priority. Running `brew install rust` is bar none the longest build process I've seen in the brew ecosystem.
That's not a problem of the build system, but rather a fully bootstrapping compiler (needs to compile itself 3 times), that's doing certain things in rather non-optimal ways (e.g. passing more code than necessary to the optimiser (LLVM)).
http://gittup.org/tup/
Given how long it takes to build rust, I would hope a faster build system is a priority. Running `brew install rust` is bar none the longest build process I've seen in the brew ecosystem.