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

https://github.com/ndowens/void-packages cmake-gui
https://github.com/void-linux/void-packages/pull/17858

[NoMerge] cmake-gui: update to 3.16.2 ; Fix cross
Update to 3.16.2 and use cmake build_style
as this enables cross-build support.
Adopt package

A patch file from https://github.com/void-linux/void-packages/pull/17858.patch is attached