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Nov 6, 2025
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the download-ci-llvm experiment turned out to be too unreliable #2632

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6 changes: 3 additions & 3 deletions src/autodiff/installation.md
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Original file line number Diff line number Diff line change
Expand Up @@ -4,11 +4,11 @@ In the near future, `std::autodiff` should become available in nightly builds fo

## Build instructions

First you need to clone and configure the Rust repository:
First you need to clone and configure the Rust repository. Based on your preferences, you might also want to `--enable-clang` or `--enable-lld`.
```bash
git clone git@github.com:rust-lang/rust
cd rust
./configure --release-channel=nightly --enable-llvm-enzyme --enable-llvm-assertions --enable-option-checking --disable-docs --set llvm.download-ci-llvm=true
./configure --release-channel=nightly --enable-llvm-enzyme --enable-llvm-link-shared --enable-llvm-assertions --enable-ninja --enable-option-checking --disable-docs --set llvm.download-ci-llvm=false
```

Afterwards you can build rustc using:
Expand Down Expand Up @@ -47,7 +47,7 @@ Then build rustc in a slightly altered way:
```bash
git clone https://github.com/rust-lang/rust
cd rust
./configure --release-channel=nightly --enable-llvm-enzyme --enable-llvm-assertions --enable-option-checking --disable-docs --set llvm.download-ci-llvm=true
./configure --release-channel=nightly --enable-llvm-enzyme --enable-llvm-link-shared --enable-llvm-assertions --enable-ninja --enable-option-checking --disable-docs --set llvm.download-ci-llvm=false
./x dist
```
We then copy the tarball to our host. The dockerid is the newest entry under `docker ps -a`.
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