CACHEΒΆ

Read cache variables.

Use the syntax $CACHE{VAR} to read cache entry VAR. See the cmake-language(7) variables documentation for more complete documentation of the interaction of normal variables and cache entries.

When evaluating Variable References of the form ${VAR}, CMake first searches for a normal variable with that name, and if not found CMake will search for a cache entry with that name. The $CACHE{VAR} syntax can be used to do direct cache lookup and ignore any existing normal variable.

See the set() command to see how to write cache variables.

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