I have some Objective-C classes, which I am currently using in both a Cocoa application (Mac OS X) and a Cocoa-Touch application (iOS). Currently, when I update those classe
I also found this "Building a Static Library with Jenkins" that is really good. Talks about how to properly setup a static lib, how to get Jenkins to automatically build it and then place the resulting .a and .h files into somewhere you can grab them from.
Combine that with CocoaPods or Maven (I haven't done this yet) and you could have a pretty nice little ecosystem.