If I have a CMake project organized in more than two level, i.e.

CMakeLists.txt:
PROJECT(A)
add_subdirectories(./projectB)

./projectB/CMakeLists.txt:
PROJECT(B)
add_subdirectories(${PROJECT_SOURCE_DIR}/projectC)

./projectB/projectC/CMakeLists.txt:
PROJECT(C)

is there some kind of way for a project to detect the name of the project
from which it was added? In this example, can C know that was added by B?
(and B was added by A?)

Thanks!!

Fil
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