I would like to compile libical and add it to my Xcode project.
I have read the README file and run the following commands in Terminal.app:
./configu
What you do is compile your libraries for both simulator and phone.
1.Make 2 new targets one for iphone one for simulator
2.compile
3.Take them and combine them with lipo.
This link will give you all the specific details. How to make universal static libraries