Danny Milosavljevic transcribed 8.7K bytes:
> Hi,
…
> So I guess my actual question is how to do this cross compilation correctly.
Note that the rust bootstrap compiler are binaries from upstream.
(There's a project "mrust" <https://github.com/thepowersgang/mrustc>
that is a reimplementation of Rust in C++ that we could use in the long
term in order to remove this binary)

In the long term this would be nice. It was my first idea when
I learned about this project, but as you can read in the
bug I opened in the last 2(?) months in the mrustc bugtracker
it still requires rustc to work.
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