Undefined symbols for architecture arm64:
"_OBJCCLASS$_FBObjectiveCObject", referenced from:
objc-class-ref in FBObjectiveCObject+EchoFixNSMapTableCrash.o
_OBJC$_CATEGORYFBObjectiveCObject$_EchoFixNSMapTableCrash in FBObjectiveCObject+EchoFixNSMapTableCrash.o
"_OBJCCLASS$_FBRetainCycleDetector", referenced from:
objc-class-ref in ECOMLeaksMessenger.o
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Showing All Messages
Undefined symbol: _OBJCCLASS$_FBObjectiveCObject
Showing All Messages
Undefined symbol: _OBJCCLASS$_FBRetainCycleDetector
Undefined symbols for architecture arm64: "_OBJCCLASS$_FBObjectiveCObject", referenced from: objc-class-ref in FBObjectiveCObject+EchoFixNSMapTableCrash.o _OBJC$_CATEGORYFBObjectiveCObject$_EchoFixNSMapTableCrash in FBObjectiveCObject+EchoFixNSMapTableCrash.o "_OBJCCLASS$_FBRetainCycleDetector", referenced from: objc-class-ref in ECOMLeaksMessenger.o ld: symbol(s) not found for architecture arm64 clang: error: linker command failed with exit code 1 (use -v to see invocation)
Showing All Messages Undefined symbol: _OBJCCLASS$_FBObjectiveCObject
Showing All Messages Undefined symbol: _OBJCCLASS$_FBRetainCycleDetector