Xcode Build Settings

一，Build Options

Debug Information Format

• Debug：DWARF
• Release：DWARF with dSYM file

Enable Bitcode = Yes

二，Deployment

Deployment Postprocessing

Deployment Postprocessing是Deployment部分的开关，建议Release模式下设置为Yes，Debug设置为No。

Strip Debug Symbols During copy = Yes

Strip Linked Product = Yes

Strip Style = All Symbols

Strip Swift Symbols = Yes

三，Linking

Dead Code Stripping = Yes

四，Apple Clang - Code Generation

Debug Information Level = Compiler Default

Generate Debug Symbols = Yes

Link-Time Optimization

• Debug：No
• Release：Incremental

Optimization Level

• Debug：None
• Release：Fastest、Smallest[-Os]

Symbols Hidden by Default = Yes

五，Swift Compiler - Code Generation

Compilation Mode

• Debug：Incremental-增量编译
• Release：Whole Module-全模块编译

Optimization Level

• Debug：No Optimization
• Release：Optimize for Speed