如果不小心修改了系统SDK文件，编译无法通过改怎么办？（iOS开发）

时间：2014-12-16 13:32:21 阅读：142 评论：0 收藏：0 [点我收藏+]

工程报如下错误：

fatal error: file ‘/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/

Developer/SDKs/iPhoneSimulator8.0.sdk/usr/include/sysexits.h‘ has been modified since the

precompiled header ‘/Users/Lycros/Library/Developer/Xcode/DerivedData/ModuleCache/NZL05J5PKZ6B/

***.pch.pch‘ was built

解决方式如下：

Quit Xcode and remove everything in the module cache located here:

~/Library/Developer/Xcode/DerivedData/ModuleCache （删除该文件中的缓存即可）

The cache that was built with a previous version of Xcode is invalid for this version of Xcode and SDK, and that is causing your error

原文地址：http://blog.csdn.net/u011344883/article/details/41958525

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