_VISIBILITY_PRESET ------------------------ Value for symbol visibility compile flags The ``_VISIBILITY_PRESET`` property determines the value passed in a visibility related compile option, such as ``-fvisibility=`` for ````. This property affects compilation in sources of all types of targets (subject to policy :policy:`CMP0063`). This property is initialized by the value of the :variable:`CMAKE__VISIBILITY_PRESET` variable if it is set when a target is created.