<PROJECT-NAME>_IS_TOP_LEVEL | |
--------------------------- | |
.. versionadded:: 3.21 | |
A boolean variable indicating whether the named project was called in a top | |
level ``CMakeLists.txt`` file. | |
To obtain the value from the most recent call to :command:`project` in | |
the current directory scope or above, see the | |
:variable:`PROJECT_IS_TOP_LEVEL` variable. | |
The variable value will be true in: | |
* the top-level directory of the project | |
* the top-level directory of an external project added by :module:`ExternalProject` | |
The variable value will be false in: | |
* a directory added by :command:`add_subdirectory` | |
* a directory added by :module:`FetchContent` |