![]() Please refer to ' b.com/ros2/ros2/wiki/Rclpy-Import-error-hint' for possible solutions Then I tried to test the talker/listener examples: $ ros2 run demo_nodes_cpp talkerĪnd I received this error: Failed to load entry point 'launch': libPocoFoundation.so.50: cannot open shared object file: No such file or directory The C extension '/home/ubuntu/ros2_ws/install/lib/python3.6/site-packages/rclpy/_' failed to be imported while being present on the system. Īnd send it in the home directory of my board. $ export TARGET_TRIPLE=arm-linux-gnueabihfīut after the built, I exported the ros build with: docker cp ros2_cc:/root/cc_ws/ros2_ws. `lsb_release -cs` main" > /etc/apt//ros2-latest.list'Īnd in entry_point.sh: $ export TARGET_ARCH=arm In Dockerfile_ubuntu_arm: 4 ARG ARM_ARCH=arm32v7ģ7 RUN sh -c 'echo "deb \ I cross-compiled the source for ROS 2 using the following tutorial (on a Ubuntu 16.04 x86_64)Īs I am building for a beagle-board (bbb), the examples are only for arm64 so i made these following changes in the cross_compile repository: Linux arm 4.14.79-ti-r84 #1 SMP PREEMPT armv7l armv7l armv7l GNU/Linux
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