> It appears to me (anecdotally) that most of the build time is spent
> compiling Scheme code, rather than C code.
> One idea I had been toying with is whether Guile could compile faster
> if it had another copy of Guile already around, so it could skip the
> portion of compile-time where the interpreter is running the compiler.
Bootstrap hell. If the "copy of Guile already around" happens to
produce different code, you have lots of fun ahead.