Xcode報錯 ld: library not found for -lstdc++.6

錯誤資訊：ld: library not found for -lstdc++.6

報錯原因：Xcode10移除了動态庫libstdc

修複方法：

需要将libstdc檔案複制到下述四個路徑下，才能保證模拟器和真機均能正常使用。

/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/Library/CoreSimulator/Profiles/Runtimes/iOS.simruntime/Contents/Resources/RuntimeRoot/usr/lib/

/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/usr/lib/

/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/usr/lib/

/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/usr/lib/

檔案下載下傳位址：

https://download.csdn.net/download/overstep1024/11193547