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

https://github.com/Piraty/void-packages autoconf-fix-lto
https://github.com/void-linux/void-packages/pull/49194

python3: fix lto build
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`autoreconf` can be dropped once upstream generates configure from the not-yet-released autoconf-archive

ping @ahesford 

A patch file from https://github.com/void-linux/void-packages/pull/49194.patch is attached