安装Xgboost出现错误集合（fedora27)

出现错误：
Command “python setup.py egg_info” failed with error code 1 in /tmp/pip-install-BnsMPo/xgboost/

解决办法：

yum install gcc-c++

因为我新装的系统，没有安装g++命令
然后执行：

pip install xgboost

在查找错误过程中发现其他的错误情况：

1：

错误情况：
Downloading/unpacking xgboost
Could not find a version that satisfies the requirement xgboost (from versions: 0.4a12, 0.4a13, 0.4a14, 0.4a15, 0.4a18, 0.4a19, 0.4a20, 0.4a21, 0.4a22, 0.4a23, 0.4a24, 0.4a25, 0.4a26, 0.4a27, 0.4a28, 0.4a29, 0.4a30)
Cleaning up…
No distributions matching the version for xgboost
Storing debug log for failure in /home/hadoop/.pip/pip.log

解决方法：

sudo -H pip install –pre xgboost

2:

错误情况：
Command “python setup.py egg_info” failed with error code 1 in /private/var/folders/0m/7s1flm9j03d35pkr92jcsv3w0000gq/T/pip-build-fK6SMy/aiohttp/

解决方法：

sudo python3 -m pip install aiohttp
sudo python3 -m pip install –upgrade pip
pip install xgboost

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