[杂项笔记] linux下查看so依赖的库

1. 查看依赖的库：

objdump -x xxoo.so | grep NEEDED

2. 查看缺失的库：

ldd xxoo.so

如果某个依赖的库不存在，会输出类似 OOXX.so not found 字样。

root@9d222bb7c629:~/MaixPy3/ext_modules/libmaix/examples/camera# objdump -x ./dist/lib/libopencv_features2d.so | grep NEEDED
  NEEDED               libopencv_flann.so.4.1
  NEEDED               libopencv_highgui.so.4.1
  NEEDED               libopencv_videoio.so.4.1
  NEEDED               libopencv_imgcodecs.so.4.1
  NEEDED               libopencv_imgproc.so.4.1
  NEEDED               libopencv_core.so.4.1
  NEEDED               libstdc++.so.6
  NEEDED               libgcc_s.so.1
  NEEDED               libc.so
root@9d222bb7c629:~/MaixPy3/ext_modules/libmaix/examples/camera#