[erlang-questions] Lots of pre-built stuff in otp_src_R14B.tar.gz

[Max Lapshin]

> It  seems that the number of prebuilt files greatly surpasses the
> number of ones actually required for bootstrapping. According to
> README.bootstrap the only required binaries are
> lib/{compiler,kernel,stdlib}/ebin/*.beam.
>

Sergey told you, that it is prebuilt beams make build of erlang faster.