conda虚拟环境安装包时遇到的各种问题（包括gcc版本问题和找不到nvcc）_conda 虚拟环境 include

1.出现问题1

/usr/local/cuda/include/crt/host_config.h:129:2: error: #error – unsupported GNU version! gcc versions later than 7 are not supported!

在pip install配置环境时，出现了如上问题，比较有效的解决方法是

ln -s /usr/bin/gcc-7 /usr/local/cuda/bin/gcc
ln -s /usr/bin/g++-7 /usr/local/cuda/bin/g++
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2

多cuda版本共存且设置了cuda软链接指向需要的cuda版本

2.出现问题2

error: [Errno 2] No such file or directory: ‘/usr/local/cuda:/usr/local/cuda/bin/nvcc’

解决方法

gedit  ~/.bashrc
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修改“export CUDA_HOME=$CUDA_HOME:/usr/local/cuda” 为 “export CUDA_HOME=/usr/local/cuda”
记得

source ~/.bashrc 
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参考
Gcc versions later than 7 are not supported by CUDA 10 - Qt Error in Arch Linux