CMake Deprecation Warning at GLideNHQ/CMakeLists.txt:1 (cmake_minimum_required):
Compatibility with CMake < 2.8.12 will be removed from a future version of
CMake.
Update the VERSION argument <min> value or use a ...<max> suffix to tell
CMake that the project does not need compatibility with older versions.
This matches the other cmake files.
Silences a cmake warning with
cmake-3.21.4
.