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Support for "cannot find -lnpymath : python 3.8" #1948

@irus987

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@irus987

[ 96%] Building CXX object python/bindings_python_3.8/CMakeFiles/jetson-inference-python-38.dir/PySegNet.cpp.o
[ 97%] Building CXX object python/bindings_python_3.8/CMakeFiles/jetson-inference-python-38.dir/PyTensorNet.cpp.o
[ 98%] Building CXX object tools/camera-capture/CMakeFiles/camera-capture.dir/controlClassify.cpp.o
[ 98%] Linking CXX shared library ../../aarch64/lib/python/3.8/jetson_inference_python.so
[ 99%] Building CXX object tools/camera-capture/CMakeFiles/camera-capture.dir/controlDetection.cpp.o
/usr/bin/ld: cannot find -lnpymath
collect2: error: ld returned 1 exit status
make[2]: *** [python/bindings_python_3.8/CMakeFiles/jetson-inference-python-38.dir/build.make:218: aarch64/lib/python/3.8/jetson_inference_python.so] Error 1
make[1]: *** [CMakeFiles/Makefile2:804: python/bindings_python_3.8/CMakeFiles/jetson-inference-python-38.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
[ 99%] Building CXX object tools/camera-capture/CMakeFiles/camera-capture.dir/controlWindow.cpp.o
[100%] Linking CXX executable ../../aarch64/bin/camera-capture
[100%] Built target camera-capture

I am trying to build from source as there is no docker container image available for Jetpack version 5.1.2.
Ran into this error. I am using Xavier NX.

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