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onur-ozkan opened this issue Apr 1, 2024 · 0 comments · Fixed by #123373
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bootstrap fails to find codegen-backends folder #123331

onur-ozkan opened this issue Apr 1, 2024 · 0 comments · Fixed by #123373
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A-contributor-roadblock Area: Makes things more difficult for new or seasoned contributors to Rust A-download-rustc Area: The `rust.download-rustc` build option. C-bug Category: This is a bug. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)

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onur-ozkan commented Apr 1, 2024 •
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When download-rustc is enabled, using multiple codegen backends in build configuration (rust.codegen-backends= ["llvm", "gcc"]) leads bootstrap to fail with the following error:

$ x --stage 2 test
...
...
Testing GCC stage2 (x86_64-unknown-linux-gnu -> x86_64-unknown-linux-gnu)
    Finished `release` profile [optimized] target(s) in 0.00s
     Running `/home/nimda/devspace/.other/rustc-builds/build/x86_64-unknown-linux-gnu/stage2-codegen/x86_64-unknown-linux-gnu/release/y test --use-system-gcc --use-backend gcc --out-dir /home/nimda/d
evspace/.other/rustc-builds/build/x86_64-unknown-linux-gnu/stage2-tools/cg_gcc --release --mini-tests --std-tests`
Using system GCC
[BUILD] mini_core
error: failed to find a `codegen-backends` folder in the sysroot candidates:
       * /home/nimda/devspace/.other/rustc-builds/build/x86_64-unknown-linux-gnu/stage2
       * /home/nimda/devspace/.other/rustc-builds/build/x86_64-unknown-linux-gnu/stage2
@onur-ozkan onur-ozkan added T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) C-bug Category: This is a bug. labels Apr 1, 2024
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Apr 1, 2024
@jieyouxu jieyouxu removed the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Apr 1, 2024
@onur-ozkan onur-ozkan mentioned this issue Apr 2, 2024
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@onur-ozkan onur-ozkan added A-contributor-roadblock Area: Makes things more difficult for new or seasoned contributors to Rust A-download-rustc Area: The `rust.download-rustc` build option. labels Apr 14, 2024
@bors bors closed this as completed in f3a68fb Apr 14, 2024
rust-timer added a commit to rust-lang-ci/rust that referenced this issue Apr 14, 2024
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Unrolled build for rust-lang#123373

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52727a9 
Rollup merge of rust-lang#123373 - onur-ozkan:skip-codegen, r=Mark-Simulacrum

skip Codegen{GCC,Cranelift} when using CI rustc

CI rustc uses the default codegen backend, therefore we can't run `CodegenGCC` and `CodegenCranelift` tests when using it.

cc `@bjorn3` (to make sure I am not doing anything wrong)

Fixes rust-lang#123331
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A-contributor-roadblock Area: Makes things more difficult for new or seasoned contributors to Rust A-download-rustc Area: The `rust.download-rustc` build option. C-bug Category: This is a bug. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap)
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skip Codegen{GCC,Cranelift} when using CI rustc onur-ozkan/rust
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@jieyouxu @onur-ozkan @rustbot