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在提交给 Apple 之前尝试存档应用程序。超出警告限制 - 仅显示前 200 个警告。示例警告：

ld: warning: Linker asked to preserve internal global: 'sharedInstance.sharedInstance'
ld: warning: Linker asked to preserve internal global: '__block_descriptor_tmp'
ld: warning: Linker asked to preserve internal global: '__block_descriptor_tmp'
ld: warning: Linker asked to preserve internal global: '__block_descriptor_tmp'
ld: warning: Linker asked to preserve internal global: '__block_descriptor_tmp'
ld: warning: Linker asked to preserve internal global: '__block_literal_global'
ld: warning: Linker asked to preserve internal global: '__block_descriptor_tmp'
ld: warning: Linker asked to preserve internal global: '__block_descriptor_tmp'
ld: warning: Linker asked to preserve internal global: '__block_descriptor_tmp'

使用 Xcode 8.3.3。Swift 3. 相关的 Firebase pod 条目：

Using Firebase (4.0.2)
Using FirebaseAnalytics (4.0.1)
Using FirebaseAuth (4.0.0)
Using FirebaseCore (4.0.2)
Using FirebaseDatabase (4.0.0)
Using FirebaseInstanceID (2.0.0)
Using FirebaseMessaging (2.0.0)
Using FirebaseStorage (2.0.0)

不久前我遇到了这个问题，Firebase 3.16 似乎已经修复了它，但现在警告又回来了。警告仅在存档上出现。还有其他人重温这种情况吗？

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1 回答 1

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导入 AdMob SDK 后，当我归档项目（工作区）时，出现以下警告：

ld：警告：链接器要求保留内部全局：'__block_descriptor_tmp'

我找到了摆脱它的方法：

Target \ Build Settings \ Build Options \ Enable bitcode = NO

希望这可以帮助！

于 2017-08-21T10:11:06.643 回答