woreom commented on issue #18471:
URL:
https://github.com/apache/incubator-mxnet/issues/18471#issuecomment-640045172
Okay I finally found out what was wrong I use the command:
`cmake -DUSE_SSE=OFF -DUSE_CUDA=OFF -DUSE_OPENCV=ON -DUSE_OPENMP=ON
-DUSE_MKL_IF_AVAILABLE=OFF -DUSE_SIGNAL_HANDLER=ON -DUSE_LAPACK=OFF
-DUSE_F16C=0 -DCMAKE_BUILD_TYPE=Release -GNinja ..`
I add `-DUSE_LAPACK=OFF -DUSE_F16C=0` because I encounter:
```
USE_LAPACK is ON
CMake Error at CMakeLists.txt:462 (add_subdirectory):
add_subdirectory given source
"/mnt/USB/.mxnet/mxnet/3rdparty/googletest/googletest" which is not an
existing directory.
-- Found GTest: gtest
-- Determining F16C support
-- Performing Test COMPILER_SUPPORT_MF16C
-- Performing Test COMPILER_SUPPORT_MF16C - Failed
CPU does not support F16C instructions
-- Found Python3: /home/pi/.virtualenvs/py3/bin/python3.7 (found version
"3.7.3") found components: Interpreter
```
but even after that I still get :
```
-- The C compiler identification is GNU 8.3.0
-- The CXX compiler identification is GNU 8.3.0
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- CMAKE_CROSSCOMPILING FALSE
-- CMAKE_HOST_SYSTEM_PROCESSOR armv7l
-- CMAKE_SYSTEM_PROCESSOR armv7l
-- CMAKE_SYSTEM_NAME Linux
-- CMake version '3.13.4' using generator 'Ninja'
-- Found OpenBLAS libraries: /usr/lib/arm-linux-gnueabihf/libopenblas.so
-- Found OpenBLAS include: /usr/include/arm-linux-gnueabihf
-- Found OpenCV: /usr/local (found version "4.0.0") found components: core
highgui imgproc imgcodecs
-- OpenCV 4.0.0 found (/usr/local/lib/cmake/opencv4)
-- OpenCV_LIBS=opencv_core;opencv_highgui;opencv_imgproc;opencv_imgcodecs
-- Found OpenMP_C: -fopenmp (found version "4.5")
-- Found OpenMP_CXX: -fopenmp (found version "4.5")
-- Found OpenMP: TRUE (found version "4.5")
CMake Error at CMakeLists.txt:462 (add_subdirectory):
add_subdirectory given source
"/mnt/USB/.mxnet/mxnet/3rdparty/googletest/googletest" which is not an
existing directory.
-- Found GTest: gtest
-- Found Python3: /home/pi/.virtualenvs/py3/bin/python3.7 (found version
"3.7.3") found components: Interpreter
-- Configuring incomplete, errors occurred!
See also "/mnt/USB/.mxnet/mxnet/build/CMakeFiles/CMakeOutput.log".
```
what version of python did you use to build?
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