| variable_watch | |
| -------------- | |
| Watch the CMake variable for change. | |
| .. code-block:: cmake | |
| variable_watch(<variable> [<command>]) | |
| If the specified ``<variable>`` changes, a message will be printed | |
| to inform about the change. | |
| Additionally, if ``<command>`` is given, this command will be executed. | |
| The command will receive the following arguments: | |
| ``COMMAND(<variable> <access> <value> <current_list_file> <stack>)`` |