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

https://github.com/levithanius/void-packages levithanius-void-pkg
https://github.com/void-linux/void-packages/pull/15521

New Package: cppzmq 4.4.1 AMD64 void
latest release of cppzmq

A patch file from https://github.com/void-linux/void-packages/pull/15521.patch is attached