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

https://github.com/tornaria/void-packages primecount
https://github.com/void-linux/void-packages/pull/36977

primecount: update to 7.3 / primesieve: update to 7.9
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#### Testing the changes
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A patch file from https://github.com/void-linux/void-packages/pull/36977.patch is attached