编译错误提示：
```
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS17.5.sdk/usr/include/c++/v1/locale:209:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS17.5.sdk/usr/include/c++/v1/ios:467:5: error: expected ']'
......
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS17.5.sdk/usr/include/c++/v1/__format/formatter_integral.h:32:
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS17.5.sdk/usr/include/c++/v1/locale:209:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS17.5.sdk/usr/include/c++/v1/ios:468:6: error: expected a class name after '~' to name a destructor
.......
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS17.5.sdk/usr/include/c++/v1/locale:209:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS17.5.sdk/usr/include/c++/v1/ios:468:6: error: C++11 only allows consecutive left square brackets when introducing an attribute
......
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS17.5.sdk/usr/include/c++/v1/locale:209:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS17.5.sdk/usr/include/c++/v1/ios:468:6: error: use of undeclared identifier 'alloc'
#define Init(Class) [[Class alloc] init]
^
......
In file included from /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS17.5.sdk/usr/include/c++/v1/locale:209:
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS17.5.sdk/usr/include/c++/v1/ios:468:6: error: expected body of lambda expression
```
解决：
1、工程中有.mm后缀的C++文件，需要在 Xcode 工程 Build Settings 中 将 Enable Modules 设置为 Yes；
2、在Build Settings中搜索other c++ flags，添加-fcxx-modules和-fmodules符号，如下图：
参考：[Xcode 编译报错汇总](https://blog.csdn.net/Game_jqd/article/details/108552714 "Xcode 编译报错汇总")
