library not found for -lstdc++.6.0.9
下载地址
https://github.com/YouZhiZheShiJingCheng/libstdc
复制到对应的文件夹下面就好了
模拟器
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk/usr/lib/
真机
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/usr/lib/
library not found for -lstdc++.6.0.9
原文：https://www.cnblogs.com/BK-12345/p/13394392.html