Installing | CMake
https://cmake.org/installOne may alternatively download and build CMake from source. The Download page provides source releases. There are two possible approaches for building CMake from a source tree. If there is no existing CMake installation, a bootstrap script is …
install — CMake 3.23.0-rc4 Documentation
cmake.org › cmake › helpThe install() command generates a file, cmake_install.cmake, inside the build directory, which is used internally by the generated install target and by CPack. You can also invoke this script manually with cmake-P. This script accepts several variables: COMPONENT. Set this variable to install only a single CPack component as opposed to all of them.
Installing Files — Mastering CMake
cmake.org › mastering-cmake › chapterThe variable CMAKE_INSTALL_PREFIX is set to the actual installation prefix. This may be different from the corresponding cache variable value, because the installation scripts may be executed by a packaging tool that uses a different prefix. An environment variable ENV{DESTDIR} may be set by the user or packaging tool. Its value is prepended to the installation prefix and to absolute installation paths to determine the location where files are installed.