Undefined symbols for architecture x86_64: “_OBJC_CLASS_$_NSMutableOrderedSet”, referenced from: objc-class-ref in libarclite_macosx.a(arclite.o)

xcode osx 10.5 -> 10.6 으로 변경한 경우 발생한 에러

문제발생

xcode osx 10.5 -> 10.6 으로 변경한 경우 발생한 에러

해결방법

In build settings set "Implicitly link Objective-C Runtime Support" to NO.

출처

http://stackoverflow.com/questions/15433262/updating-older-code-from-os-x-10-6-to-10-7