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xcode升级后找不到 C语言头文件 stdio.h的解决办法
2022-07-21 05:06:00 【ruglcc】
问题引出
每次xcode10版本更新后，在做C/C++开发时，经常会发现之前的代码编译出现了问题，提示fatal error: 'stdio.h' file not found
解决办法
方法1
安装命令行工具，在终端下执行
xcode-select --install
如果出现如下信息，请用方法2
xcode-select: error: command line tools are already installed, use "Software Update" to install updates
方法2
cd /Library/Developer/CommandLineTools/Packages/
open macOS_SDK_headers_for_macOS_10.14.pkg
系统更新后，移除老的工具
rm -rf /Library/Developer/CommandLineTools
再次使用xcode-select --instal
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