Ask cmake_install.cmake script to warn each time a file with absolute INSTALL DESTINATION is encountered.
This variable is used by CMake-generated cmake_install.cmake scripts. If one sets this variable to ON while running the script, it may get warning messages from the script.
© 2000–2020 Kitware, Inc. and Contributors
Licensed under the BSD 3-clause License.
https://cmake.org/cmake/help/v3.19/variable/CMAKE_WARN_ON_ABSOLUTE_INSTALL_DESTINATION.html