PATCH RFA: Build stages 2 and 3 with C++

[Ian Lance Taylor]

Basile Starynkevitch <basile@starynkevitch.net> writes:

> Using the md5sum of the file is probably not bad neither. I would understand that you
> find it being perhaps too complex for your need, but it is much more random than just the
> file name (because the md5sum changes with the file content).

Granted, but I am concerned about the affect on bootstrap time.

Ian