@nff more precisely, you haven't compiled the arm64 libc, but since you aren't trying to cross-compile, you don't need that libc.
7? was Alpha:
DEC Alpha 7c 7l
There was a mail on 9fans/TUHS recently where individual tables were shared
The 9front labeling on 'docs' is incidental and mostly reflects the majority of the user and contributor base that I'm in daily contact with.
Contributions dealing with specifics and differences between different versions of our favorite thing are most welcome, maybe even dearly needed.
You can always cross compile from a vm, etc.
The image is use for a pi3 is: http://9front.org/iso/9front-7781.38dcaeaa222c.pi3.img.gz
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