use rustc-build-sysroot instead of xargo #2564
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x.py build looks good locally. :) |
This was referenced Sep 26, 2022
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@bors r+ |
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☀️ Test successful - checks-actions |
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Miri does not install xargo anymore [0], so copying xargo binaries fails. But it also isn't needed anymore, so those lines can simply be removed. [0]: rust-lang/miri#2564
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Miri does not install xargo anymore [0], so copying xargo binaries fails. But it also isn't needed anymore, so those lines can simply be removed. [0]: rust-lang/miri#2564
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This uses my crate https://github.com/RalfJung/rustc-build-sysroot instead of xargo to do the sysroot builds. That has the advantage of simplifying the Miri setup process and saving significant amounts of CI time for Miri users (since they don't have to build xargo from source all the time). Also xargo has a lot more functionality than we need so this should be easier to maintain and tweak for our needs.
With this, Miri no longer honors the
XARGO_RUST_SRCenv var to determine where the standard library sources are taken from. The README anyway says to useMIRI_LIB_SRCwhich will still work.TODO: