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dschrempf merged 1 commit into from
Jul 22, 2026
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Update llvm-config documentation #80

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16 changes: 9 additions & 7 deletions manual/README.md
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Expand Up @@ -94,15 +94,17 @@ script, which determines which `libclang` shared library is linked.
The `llvm-config` program, generally included in LLVM/Clang installations, is
used to configure software builds to use a specific LLVM/Clang installation.
The `libclang-bindings` configure script uses it to determine the include and
library directories. If you have more than one version of LLVM/Clang installed,
you can configure your `PATH` to ensure that the `llvm-config` for the version
that you want to use is found.
library directories. In some cases, you may need to configure your `PATH`
environment variable to ensure that the `llvm-config` for the version that you
want to use is found.

> [!NOTE]
> Some platforms provide versioned executables of `llvm-config` (e.g., Fedora
> with `clangNN-devel` provides `llvm-config-NN`). Ensure an unversioned
> executable is available (e.g., by installing `clang-devel`, or by linking
> `llvm-config-NN` to `llvm-config` on Fedora).
> Many Linux distributions provide packages for multiple versions of LLVM/Clang.
> If you install the current version, `llvm-config` should work without any
> configuration. If you install an older version, you likely need to update your
> `PATH` to prepend the `bin` directory for that version. Run
> `llvm-config --version` and `clang --version` to confirm that you have the
> desired version configured.

### Using `LLVM_PATH`
[t:using-llvm-path]: #using-llvm_path
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