iOS 5 上的 armv7 未定义符号：_aes_icm_advance_ismacryp
我有一个使用 Xcode 4.2 for iOS 4.3 构建的应用程序，我想在 Xcode 4.2 + iOS 5 beta 7 for Snow Leopard 上构建它，但出现以下错误：
Apple Mach-O Linker (Id) Error
Undefined symbols for architecture armv7
"_aes_icm_advance_ismacryp", referenced from:
我有一个类包含方法 aes_icm_advance_ismacryp. iOS 4.3 上的架构设置是 i386，所以我尝试将其更改为 i386，但 Xcode 不允许我这样做。
我尝试了这个答案但没有解决我的问题。
I have one app I built with Xcode 4.2 for iOS 4.3, and I want to build it on Xcode 4.2 + iOS 5 beta 7 for Snow Leopard but I get the error below:
Apple Mach-O Linker (Id) Error
Undefined symbols for architecture armv7
"_aes_icm_advance_ismacryp", referenced from:
I have one class contain the method aes_icm_advance_ismacryp. The architecture setting on iOS 4.3 was i386 so I tried to change it to i386 but Xcode won't let me.
I tried this answer but didn't solve my problem.
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您的构建设置为其架构显示什么？
它应该看起来像这样
（我的屏幕截图来自 Xcode 5，所以它不准确）：
如果您有嵌套项目依赖项，则还必须检查这些目标。
What do your build settings display for their architectures?
It should look something like this
(My screenshot is from Xcode 5 so it will not be exact):
If you have nested project dependencies, you'll have to check those targets as well.