CMake/Help/envvar/CMAKE_INSTALL_PREFIX.rst

CMAKE_INSTALL_PREFIX
--------------------

.. versionadded:: 3.29

.. include:: ENV_VAR.txt

The ``CMAKE_INSTALL_PREFIX`` environment variable specifies a custom default
value for the :variable:`CMAKE_INSTALL_PREFIX` variable in place of the
default values specified by CMake itself. The value specified must be an
absolute path to a directory.