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

https://github.com/sgn/void-packages cmake-3.19.1
https://github.com/void-linux/void-packages/pull/26955

build jsoncpp with meson, cmake with system jsoncpp, update to 3.19.1


A patch file from https://github.com/void-linux/void-packages/pull/26955.patch is attached