There is a new pull request by sgn against master on the void-packages repository

https://github.com/sgn/void-packages llvm-multi-version
https://github.com/void-linux/void-packages/pull/48404

llvm-17, multiple version of llvm to co-exist.
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#### Testing the changes
- I tested the changes in this PR: **NO**

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A patch file from https://github.com/void-linux/void-packages/pull/48404.patch is attached