[Bug 1942394] Re: [MIR] mdevctl 1.0.0 (rust switch)

[Christian Ehrhardt ]

FYI (mostly a note to myself I guess) about dynamic rust:

Along the way in I found that rust seems to have dynamic libraries - see
"dylib/cdylib" in [2].
[1] shows -C prefer-dynamic target-feature=-crt-static" which could be our
usual build style for a distro making dependencies and code-resuage through
dynamic libs "normal".

But before I could cheer I found that:
- One argument against it that I found is that two dynamic libs that use the
  same (static) rlib can not work together. So it would have to be make all
  or nothing dynamic. (That would be ok I guess)
- Another I've quckly found is that ABI isn't fixed and thereby a compiler change
  between a rebuild of either component could break things. (This breaks the
  camels back)

[1]: https://rust-lang.github.io/rfcs/0404-change-prefer-dynamic.html
[2]: https://doc.rust-lang.org/reference/linkage.html

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Title:
  [MIR] mdevctl 1.0.0 (rust switch)

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