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Diffstat (limited to 'Help/manual/cmake-language.7.rst')
| -rw-r--r-- | Help/manual/cmake-language.7.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Help/manual/cmake-language.7.rst b/Help/manual/cmake-language.7.rst index 87f8f9d..591f73d 100644 --- a/Help/manual/cmake-language.7.rst +++ b/Help/manual/cmake-language.7.rst @@ -399,6 +399,11 @@ and how their values are set. An *environment variable reference* has the form ``$ENV{VAR}`` and is evaluated in the same contexts as a normal variable reference. +See :variable:`ENV` for more information. + +A *cache variable reference* has the form ``$CACHE{VAR}`` and +is evaluated in the same contexts as a normal variable reference. +See :variable:`CACHE` for more information. Comments -------- @@ -543,6 +548,8 @@ to the binding in the current directory scope, if any. If a is found, or no binding is found, CMake then searches for a cache entry. If a cache entry is found, its value is used. Otherwise, the variable reference evaluates to an empty string. +The ``$CACHE{VAR}`` syntax can be used to do direct cache entry +lookups. The :manual:`cmake-variables(7)` manual documents many variables that are provided by CMake or have meaning to CMake when set |