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darknet_ros's Issues

cudaのバージョンを10.2にしたことによるcmakeの修正

melodic環境ではcuda 10.2を使うので、gcc-6の指定いらなくなりそうです。
https://github.com/sbgisen/darknet_ros_tracking/blob/40687ec7417cbeea74c64d3929f1d939cd622fd3/darknet_ros/CMakeLists.txt#L6

また、ここらへんの行もFindCUDA.cmakeが提供してくれる変数を使うようにしたのでいらなくなっているんじゃないかと思います(指定しているversionも違うため)
https://github.com/sbgisen/darknet_ros_tracking/blob/40687ec7417cbeea74c64d3929f1d939cd622fd3/darknet_ros/CMakeLists.txt#L11-L12

cudaが見つからない

cudaがインストールしているはずなのに以下のビルドエラーが出た場合

/usr/bin/ld: cannot find -lcudart
/usr/bin/ld: cannot find -lcurand
collect2: error: ld returned 1 exit status
make[2]: *** [devel/lib/libdarknet_ros_lib.so] Error 1
make[1]: *** [CMakeFiles/darknet_ros_lib.dir/all] Error 2
make: *** [all] Error 2

cudaのパスへsymbolic linkを立てることでビルドが通れる

sudo ln -s /usr/local/cuda/lib64/libcudart.so /usr/lib/libcudart.so
sudo ln -s /usr/local/cuda/lib64/libcurand.so /usr/lib/libcurand.so

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