Linux 链接MySQL出错 undefined reference to `mysql_init'

今天用Linux编译socket的通信程序，出现以下错误，折腾了整整一天，重要解决！！！

/tmp/ccebULYF.o: In function `main':

tcp_demo.cpp:(.text+0x494): undefined reference to `mysql_init'

tcp_demo.cpp:(.text+0x4d6): undefined reference to `mysql_real_connect'

tcp_demo.cpp:(.text+0x4fe): undefined reference to `mysql_query'

tcp_demo.cpp:(.text+0x5a0): undefined reference to `mysql_query'

tcp_demo.cpp:(.text+0x5bf): undefined reference to `mysql_store_result'

tcp_demo.cpp:(.text+0x5d5): undefined reference to `mysql_free_result'

tcp_demo.cpp:(.text+0x5e4): undefined reference to `mysql_close'

collect2: error: ld returned 1 exit status

其实答案也是在网上找的：https://ubuntuforums.org/showthread.php?t=1666018

原文看着比较费劲，我也是找了很久的资料，最后总结如下：

只需输入命名：