undefined reference to `XOpenDisplay'
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newbie to linux ～～～ 
程序中使用了Xlib，链接时出现此错误。
命令：gcc -o main.c main
既然是链接时出错，又提示找不到XOpenDisplay，那应当是gcc没有找到Xlib的库文件了。
改用命令：
gcc -o main main.c -lX11
问题迎刃而解
0 0
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