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Move some more bootstrap logic from python to rust #92260

Merged
merged 4 commits into from
Mar 8, 2022
Merged

Move some more bootstrap logic from python to rust #92260

merged 4 commits into from
Mar 8, 2022

Commits on Mar 7, 2022

  1. Move some more bootstrap logic from python to rust 

    Same rationale as rust-lang#76544;
it would be nice to make python entirely optional at some point.

This also removes $ROOT as an option for the build directory; I haven't been using it, and like Alex
said in rust-lang#76544 (comment) it seems like a
misfeature.

This allows running `cargo run` from src/bootstrap, although that still gives
lots of compile errors if you don't use the beta toolchain.
    @jyn514 @Mark-Simulacrum
    jyn514 authored and Mark-Simulacrum committed Mar 7, 2022
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  2. Don't depend on python for RUST_BOOTSTRAP_CONFIG

    @jyn514 @Mark-Simulacrum
    jyn514 authored and Mark-Simulacrum committed Mar 7, 2022
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  3. fix weird bug when out would get overridden by unit tests

    @jyn514 @Mark-Simulacrum
    jyn514 authored and Mark-Simulacrum committed Mar 7, 2022
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  4. copy over std::path::absolute instead of adding canonicalize hacks 

    this also fixes a bug where bootstrap would try to use the fake `rustc` binary built by bootstrap -
cargo puts it in a different directory when using `cargo run` instead of x.py
    @jyn514 @Mark-Simulacrum
    jyn514 authored and Mark-Simulacrum committed Mar 7, 2022
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