pointnet2_cuda.cpython-36m-x86_64-linux-gnu.so: undefined symbol: 的可能原因

作者：Cpp五条 | 2024-02-19 17:06:25

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pointnet2_cuda

编译完的pointNet模块找不到，提示错误

Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/public/home/G19940018/3DGroup/Yaochun/PointRCNN/pointnet2_lib/pointnet2/fps.py", line 7, in <module>
import pointnet2_cuda as pointnet2
ImportError: /public/home/G19940018/anaconda3/envs/py36/lib/python3.6/site-packages/pointnet2-0.0.0-py3.6-linux-x86_64.egg/pointnet2_cuda.cpython-36m-x86_64-linux-gnu.so: undefined symbol: _ZN6caffe26detail37_typeMetaDataInstance_

可能是因为需要先引用torch，再引用编译的模块 pointnet2_cuda，即：


import torch
import pointnet2_cuda as pointnet2

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