Dear SivaRamaKrishna
Nice I can finally cmake and make successfully as I followed the cmake command line you gave me.
~$ cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE=/usr/local/driveworks-0.6/samples/cmake/Toolchain-V4L.cmake -DVIBRANTE_PDK:STRING=/home/mec-lab/PX2/5050bL_SDK/DriveSDK/drive-t186ref-linux /usr/local/driveworks-0.6/samples/
-- VIBRANTE_PDK = /home/mec-lab/PX2/5050bL_SDK/DriveSDK/drive-t186ref-linux
-- VIBRANTE_PDK_DEVICE = t186ref
-- VIBRANTE_PDK_BRANCH = 5.0.5.0
-- Vibrante version 5.0.5.0
-- VIBRANTE_PDK = /home/mec-lab/PX2/5050bL_SDK/DriveSDK/drive-t186ref-linux
-- Vibrante version 5.0.5.0
-- The C compiler identification is GNU 4.9.2
-- The CXX compiler identification is GNU 4.9.2
-- Check for working C compiler: /home/mec-lab/PX2/5050bL_SDK/DriveSDK/drive-t186ref-linux/../toolchains/tegra-4.9-nv/usr/bin/aarch64-gnu-linux/aarch64-gnu-linux-gcc
-- Check for working C compiler: /home/mec-lab/PX2/5050bL_SDK/DriveSDK/drive-t186ref-linux/../toolchains/tegra-4.9-nv/usr/bin/aarch64-gnu-linux/aarch64-gnu-linux-gcc -- 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: /home/mec-lab/PX2/5050bL_SDK/DriveSDK/drive-t186ref-linux/../toolchains/tegra-4.9-nv/usr/bin/aarch64-gnu-linux/aarch64-gnu-linux-g++
-- Check for working CXX compiler: /home/mec-lab/PX2/5050bL_SDK/DriveSDK/drive-t186ref-linux/../toolchains/tegra-4.9-nv/usr/bin/aarch64-gnu-linux/aarch64-gnu-linux-g++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Found CUDA: /usr/local/cuda-9.0 (found version "9.0")
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Looking for pthread_create
-- Looking for pthread_create - not found
-- Looking for pthread_create in pthreads
-- Looking for pthread_create in pthreads - not found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Found Threads: TRUE
-- Found TensorRT:
-- - Includes: /usr/local/nvidia/tensorrt/targets/aarch64-linux-gnu/include
-- - Libraries: /usr/local/nvidia/tensorrt/targets/aarch64-linux-gnu/lib/libnvinfer.so;/usr/local/nvidia/tensorrt/targets/aarch64-linux-gnu/lib/libnvcaffe_parser.so
-- Found libcudnn:
-- - Includes: /usr/local/cuda-9.0/include
-- - Libraries: /usr/local/cuda-9.0/lib64/libcudnn.so
-- Cross Compiling for Vibrante
-- VIBRANTE_PDK_BRANCH = 5.0.5.0
-- Found vibrante lib: /usr/local/driveworks-0.6/samples/3rdparty/linux-aarch64/vibrante/lib/libudev.so
-- Found vibrante lib: /usr/local/driveworks-0.6/samples/3rdparty/linux-aarch64/vibrante/lib/libusb-1.0.so
-- Found vibrante_Xlib: /usr/local/driveworks-0.6/samples/3rdparty/linux-aarch64/vibrante_Xlibs/lib/libXrandr.so
-- Found vibrante_Xlib: /usr/local/driveworks-0.6/samples/3rdparty/linux-aarch64/vibrante_Xlibs/lib/libXinerama.so
-- Found vibrante_Xlib: /usr/local/driveworks-0.6/samples/3rdparty/linux-aarch64/vibrante_Xlibs/lib/libXi.so
-- Found vibrante_Xlib: /usr/local/driveworks-0.6/samples/3rdparty/linux-aarch64/vibrante_Xlibs/lib/libXcursor.so
-- Found PkgConfig: /usr/bin/pkg-config (found version "0.29.1")
-- Found EGL: /home/mec-lab/PX2/5050bL_SDK/DriveSDK/drive-t186ref-linux/lib-target/libEGL.so
-- Driveworks Samples install dir: /home/mec-lab/LBX/driveworks-0.6/build_PX2/install
-- Cross Compiling for Vibrante
-- Driveworks found at: /usr/local/driveworks-0.6/targets/aarch64-linux
-- Found Driveworks
-- Configuring done
-- Generating done
-- Build files have been written to: /home/mec-lab/LBX/driveworks-0.6/build_PX2
~$ make -j
Scanning dependencies of target update_cuda_deps
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[ 1%] Dependencies for /home/mec-lab/LBX/driveworks-0.6/build_PX2/src/image/image_common/CMakeFiles/dw_samples_image_common.dir//gen_utils.cu.o.depend.stamp
[ 2%] Dependencies for /home/mec-lab/LBX/driveworks-0.6/build_PX2/src/stereo/stereo_common/CMakeFiles/dw_samples_stereo_common.dir//gen_utils.cu.o.depend.stamp
[ 2%] Building CXX object src/framework/CMakeFiles/dw_samples_framework.dir/ProgramArguments.cpp.o
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[ 12%] Building CXX object src/framework/CMakeFiles/dw_samples_framework.dir/SimpleCamera.cpp.o
[ 12%] Building CXX object src/framework/CMakeFiles/dw_samples_framework.dir/SimpleRecordingPlayer.cpp.o
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Scanning dependencies of target sample_camera_usb
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Scanning dependencies of target sample_camera_seek
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[ 13%] Building NVCC (Device) object src/image/image_common/CMakeFiles/dw_samples_image_common.dir/gen_utils.cu.o
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[ 19%] Building CXX object src/ipc/CMakeFiles/sample_ipc_socketclientserver.dir/sample_ipc_socketclientserver.cpp.o
[ 20%] Building CXX object src/sensors/canbus/interpreter/CMakeFiles/sample_canbus_interpreter.dir/main.cpp.o
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[ 33%] Building CXX object src/rectifier/CMakeFiles/sample_video_rectifier.dir/main.cpp.o
[ 33%] Building CXX object src/maps/CMakeFiles/sample_maps.dir/main.cpp.o
[ 34%] Building CXX object src/sfm/CMakeFiles/sample_sfm.dir/SensorIOCuda.cpp.o
[ 36%] Building CXX object src/drivenet/common/CMakeFiles/dw_samples_drivenet_common.dir/DriveNetApp.cpp.o
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[ 36%] Building CXX object src/sensors/camera_gmsl_custom/CMakeFiles/sample_camera_gmsl_custom.dir/captureConfig.cpp.o
[ 37%] Building CXX object src/vehicleio/CMakeFiles/sample_vehicleio.dir/main.cpp.o
[ 38%] Building CXX object src/sensors/camera_multiple_gmsl/CMakeFiles/sample_camera_multiple_gmsl.dir/main.cpp.o
[ 39%] Building CXX object src/sensors/third_party_camera/CMakeFiles/sample_third_party_camera.dir/main.cpp.o
[ 40%] Building CXX object src/sensors/camera_gmsl/CMakeFiles/sample_camera_gmsl.dir/main.cpp.o
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Scanning dependencies of target sample_calibration_camera
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Scanning dependencies of target sample_drivenetNcameras
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[ 94%] Building CXX object src/drivenet/drivenet_multiGPU/CMakeFiles/sample_drivenet_multigpu.dir/main.cpp.o
[ 95%] Building CXX object src/stereo/stereoRectifier/CMakeFiles/sample_stereo_rectifier.dir/main.cpp.o
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I try to use cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE=/usr/local/driveworks-0.6/samples/cmake/Toolchain-V4L.cmake -DVIBRANTE_PDK:STRING=/home/mec-lab/PX2/5050bL_SDK/DriveSDK/drive-t186ref-linux /home/mec-lab/LBX/driveworks-0.6/samples/ and it also works! Thanks a lot for your help!
So I guess the key point is that when I want to do cross-compilation, I should change the LD_LIBRARY_PATH to aarch CUDA libraries in .bashrc also delete the old cross-compile folder and build a new one, is that right?