如何在Mach-O文件中编辑load命令并在tvOS上成功链接它？

Let's assume that I have a .a fat library which is built for several architectures (e.g. armv7, armv7s, i386, x86_64, arm64). Library is built for iOS (has cmd LC_VERSION_MIN_IPHONEOS and version 6.0 in it). For example when I'm running Let's assume that I have a .a fat library which