https://www.jianshu.com/p/486e3b737707
https://stackoverflow.com/questions/44635297/setting-an-ios-static-lib-architecture-to-arm64-using-xcode
xcodebuild -project 44635297.xcodeproj -target 44635297 -configuration Release clean build -sdk iphoneos 命令行编译工程
lipo -info librapidjson.a 查看支持的CPU体系结构
iOS 64位静态链接库
原文：https://www.cnblogs.com/lilei9110/p/12163006.html
