There is an updated pull request by sgn against master on the void-packages repository

https://github.com/sgn/void-packages linux-tools-fix
https://github.com/void-linux/void-packages/pull/40428

linux-tools: correct the functional detection
They're build as part of tools/build.
fixdep will be built by HOSTCC anyway.

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A patch file from https://github.com/void-linux/void-packages/pull/40428.patch is attached