求救centos在编译mysql的时候报错信息

longrbl

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/root/lnmp1.2-full/src/mysql-5.6.23/sql/sql_planner.cc: In member function ‘void Optimize_table_order::best_access_path(JOIN_TAB*, table_map, uint, bool, double, POSITION*, POSITION*)’:
/root/lnmp1.2-full/src/mysql-5.6.23/sql/sql_planner.cc:431: 警告：此函数中的‘loose_scan_opt.Loose_scan_opt::best_loose_scan_start_key’在使用前可能未初始化
/root/lnmp1.2-full/src/mysql-5.6.23/sql/sql_planner.cc:431: 警告：此函数中的‘loose_scan_opt.Loose_scan_opt::best_max_loose_keypart’在使用前可能未初始化
/root/lnmp1.2-full/src/mysql-5.6.23/sql/sql_planner.cc:431: 警告：此函数中的‘loose_scan_opt.Loose_scan_opt::best_loose_scan_records’在使用前可能未初始化
/root/lnmp1.2-full/src/mysql-5.6.23/sql/sql_planner.cc:431: 警告：此函数中的‘loose_scan_opt.Loose_scan_opt::best_loose_scan_key’在使用前可能未初始化
/root/lnmp1.2-full/src/mysql-5.6.23/sql/sql_planner.cc:431: 警告：此函数中的‘loose_scan_opt.Loose_scan_opt::quick_max_loose_keypart’在使用前可能未初始化
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licess

不是错误信息，也没影响

longrbl

谢谢
你的回答，基本上问题解决了，
我老是喜欢在root目录下直接安装lnmp，导致我的系统盘满了，mysql启动失败，
也解决了