There is an updated pull request by q66 against master on the void-packages repository

https://github.com/void-ppc/void-packages bloaty
https://github.com/void-linux/void-packages/pull/18123

bloaty: fix build on ppc32 and armv6 (use libatomic)
Need to give this a CI run.

A patch file from https://github.com/void-linux/void-packages/pull/18123.patch is attached