Google アナリティクス ライブラリを追加すると、この警告が表示されます
Undefined symbols for architecture armv7:
"_OBJC_CLASS_$_NSAttributeDescription", referenced from:
objc-class-ref in libGoogleAnalytics.a(GAICoreDataUtil.o)
objc-class-ref in libGoogleAnalytics_debug.a(GAICoreDataUtil.o)
"_OBJC_CLASS_$_NSFetchRequest", referenced from:
objc-class-ref in libGoogleAnalytics.a(GAIDataStore.o)
objc-class-ref in libGoogleAnalytics_debug.a(GAIDataStore.o)
"_NSSQLiteErrorDomain", referenced from:
l003 in libGoogleAnalytics.a(GAIDataStore.o)
私を助けてください