【error】libGL.so: undefined reference to `drmGetDevices2'
前言
在TX2上测试姿态估计并显示的代码时出现了问题,代码使用了dlib和PCL开源库,在NVIDIA官网上看到了解决方法,记录下来。
error
[100%] Linking CXX executable head_pose_estimation /usr/lib/gcc/aarch64-linux-gnu/5/../../../aarch64-linux-gnu/libGL.so: undefined reference to `drmGetDevices2' /usr/lib/gcc/aarch64-linux-gnu/5/../../../aarch64-linux-gnu/libGL.so: undefined reference to `drmCloseOnce' /usr/lib/gcc/aarch64-linux-gnu/5/../../../aarch64-linux-gnu/libGL.so: undefined reference to `drmMap' /usr/lib/gcc/aarch64-linux-gnu/5/../../../aarch64-linux-gnu/libGL.so: undefined reference to `drmUnmap' /usr/lib/gcc/aarch64-linux-gnu/5/../../../aarch64-linux-gnu/libGL.so: undefined reference to `drmFreeDevice' /usr/lib/gcc/aarch64-linux-gnu/5/../../../aarch64-linux-gnu/libGL.so: undefined reference to `drmGetDeviceNameFromFd2' /usr/lib/gcc/aarch64-linux-gnu/5/../../../aarch64-linux-gnu/libGL.so: undefined reference to `drmOpenOnce' /usr/lib/gcc/aarch64-linux-gnu/5/../../../aarch64-linux-gnu/libGL.so: undefined reference to `drmGetDevice2' /usr/lib/gcc/aarch64-linux-gnu/5/../../../aarch64-linux-gnu/libGL.so: undefined reference to `drmFreeDevices' collect2: error: ld returned 1 exit status CMakeFiles/head_pose_estimation.dir/build.make:396: recipe for target 'head_pose_estimation' failed make[2]: *** [head_pose_estimation] Error 1 CMakeFiles/Makefile2:67: recipe for target 'CMakeFiles/head_pose_estimation.dir/all' failed make[1]: *** [CMakeFiles/head_pose_estimation.dir/all] Error 2 Makefile:83: recipe for target 'all' failed make: *** [all] Error 2
solution
cd /usr/lib/aarch64-linux-gnu/ sudo ln -sf tegra/libGL.so libGL.so
参考
1. nvidia_building-opencv-with-opengl-support;
完
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心正意诚,做自己该做的事情,做自己喜欢做的事情,安静做一枚有思想的技术媛。
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