Help: advise against CMAKE_INSTALL_PREFIX in install DESTINATION.
as per my uncontradicted post https://discourse.cmake.org/t/local-install-vs-install-for-cpack-absolute-vs-relative-path/623/2?u=jwuttke
as per my uncontradicted post https://discourse.cmake.org/t/local-install-vs-install-for-cpack-absolute-vs-relative-path/623/2?u=jwuttke