diff --git a/Help/manual/cmake-generator-expressions.7.rst b/Help/manual/cmake-generator-expressions.7.rst index 5044ec7d56..51ed27e171 100644 --- a/Help/manual/cmake-generator-expressions.7.rst +++ b/Help/manual/cmake-generator-expressions.7.rst @@ -43,6 +43,12 @@ The above would expand to ``OLD_COMPILER`` if the :variable:`CMAKE_CXX_COMPILER_VERSION _COMPILER_VERSION>` is less than 4.2.0. +.. note:: + + Generator expressions are supported in the values of many properties, + but not all. Check a property's documentation for explicit mention + of generator expressions before using them. + Whitespace And Quoting ======================