1CACHE 2----- 3 4.. versionadded:: 3.13 5 6Operator to read cache variables. 7 8Use the syntax ``$CACHE{VAR}`` to read cache entry ``VAR``. 9See the :ref:`cmake-language(7) variables <CMake Language Variables>` 10documentation for more complete documentation of the interaction of 11normal variables and cache entries. 12 13When evaluating :ref:`Variable References` of the form ``${VAR}``, 14CMake first searches for a normal variable with that name, and if not 15found CMake will search for a cache entry with that name. 16The ``$CACHE{VAR}`` syntax can be used to do direct cache lookup and 17ignore any existing normal variable. 18 19See the :command:`set` and :command:`unset` commands to see how to 20write or remove cache variables. 21