update rustc #102
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plenty of breakage on recent Rust versions...
Maybe, try migrate to stable release? It would be easier to update in the future, and asm! macro is stable now https://doc.rust-lang.org/nightly/rust-by-example/unsafe/asm.html.
Yes, some QUARTIQ embedded projects are already using stable so this seems doable. Either way migration needs to be done.
I currently have a setup to get us to 1.56.0-nightly (29ef6cf16 2021-08-31) with LLVM13, with forked
core_io
andrust-fatfs
repos. If there's interest, we can get the ball rolling on that? This is the same version as the mainline ARTIQ repo, and uses an LLVM version that is currently available on thenixos-unstable
channel.I've been keeping an eye on the unstable features that we use, and there's a few that are not stabilized (
c_variadic
etc..).Yes please.
The unstable features can be used on stable rust by setting the environment variable
RUSTC_BOOTSTRAP=1
to get the compiler to stfu. Simplifies things in most cases, contrary to official advice.