1CMAKE_INSTALL_MESSAGE 2--------------------- 3 4.. versionadded:: 3.1 5 6Specify verbosity of installation script code generated by the 7:command:`install` command (using the :command:`file(INSTALL)` command). 8For paths that are newly installed or updated, installation 9may print lines like:: 10 11 -- Installing: /some/destination/path 12 13For paths that are already up to date, installation may print 14lines like:: 15 16 -- Up-to-date: /some/destination/path 17 18The ``CMAKE_INSTALL_MESSAGE`` variable may be set to control 19which messages are printed: 20 21``ALWAYS`` 22 Print both ``Installing`` and ``Up-to-date`` messages. 23 24``LAZY`` 25 Print ``Installing`` but not ``Up-to-date`` messages. 26 27``NEVER`` 28 Print neither ``Installing`` nor ``Up-to-date`` messages. 29 30Other values have undefined behavior and may not be diagnosed. 31 32If this variable is not set, the default behavior is ``ALWAYS``. 33