“unrecognized selector sent to instance” to a static library despite ObjC flag

Question

I\'m getting a runtime error in my application:

2011-05-17 09:42:31.124 rxsync[67464:207] *** Terminating app due to uncaught exception \'NSInva

Answer 1

You additionally need to add -all_load to the Other Linker Flags of the target which is using your static library.