Static Libs With Support to iOS 5 and Arm64

With the launch of iPhone 5s Apple brings the 64-bit architecture to mobile, this brings new possibilities for the iOS platform. But there is a restriction imposed by Apple, only projects with deployment target to iOS 6.0 or higher can produce fat binaries including arm64. So the apps developer should choose between support iOS 5 and earlier or arm64, although SDK developers shouldn’t be obligated to decide for your users! It’s possible to produce one fat binary with all the architectures, so let’s see one way to do it.

http://blog.diogot.com/blog/2013/09/18/static-libs-with-support-to-ios-5-and-arm64/