问题
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解决办法
1.将Run的Build Configuration改为Debug
在开发过程中, 有可能同时改了编译配置,不小心提到svn,导致你编译失败。
Xcode > Product > Scheme > Edit Scheme
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2.修改编译方式为Legacy Build System
Xcode > File > Workspace Settings
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3.清除已经编译的文件,重新编译
Xcode > Product > Clean
Xcode > Window > Projects > Select your project and delete derived data
Close Xcode
Reopen project
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