解决mac使用 lightgbm 时 image not found

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brew install cmake
brew install gcc

git clone --recursive https://github.com/Microsoft/LightGBM ; cd LightGBM

看自己电脑上,gcc是几。我的mac是8。 /usr/local/opt/gcc/lib/gcc/8

cd /usr/local/opt/gcc/lib/gcc/

xin:~ xin$ cd /usr/local/opt/gcc/lib/gcc/
xin:gcc xin$ ll
total 0
drwxr-xr-x   3 xin  staff    96  2 22 22:40 ./
drwxr-xr-x   3 xin  staff    96  2 22 22:40 ../
drwxr-xr-x  47 xin  staff  1504  3 25 14:41 8/
xin:gcc xin$ 

自己的电脑是几,就写gcc-几。

export CXX=g++-8 CC=gcc-8  # 

编译

mkdir build ; cd build
cmake ..
make -j4

当前的LightGBM目录

pwd
/Users/xin/LightGBM/build

进入python-package,会有一个setup.py文件

cd /Users/xin/LightGBM/python-package

执行

python setup.py install --precompile  

参考:
https://www.jianshu.com/p/cf2e0ebb9d88
https://blog.csdn.net/Jiaach/article/details/79456067 (最后那步使用pip install 不对)

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转载自blog.csdn.net/datadev_sh/article/details/88795916