not existed subdirectory caused cmake parsing error

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Description

cmake parsing error, caused by two not existed subdirectory, this could be solved by commenting CMakeLists.txt line25 and line38.

Steps to Reproduce

$ mkdir build && cd build $ cmake ..

Expected Result

cmake parsing done

Actual Result

cmake parsing error, reported some directory not existed

ZED Camera model

ZED

Environment

Ubuntu20.04
CUDA 11.8
ZED 4.0.8

Anything else?

No response