gistfile1.txt

Undefined symbols for architecture x86_64:
  "_CFDataGetBytePtr", referenced from:
      Instruments::Error(__CFError*) in Instruments.o
  "_CFDataGetLength", referenced from:
      Instruments::Error(__CFError*) in Instruments.o
  "_CFDictionaryCreate", referenced from:
      Instruments::Start() in Instruments.o
  "_CFErrorCopyDescription", referenced from:
      Instruments::Error(__CFError*) in Instruments.o
  "_CFNumberCreate", referenced from:
      Instruments::Start() in Instruments.o
  "_CFRelease", referenced from:
      Instruments::Error(__CFError*) in Instruments.o
      Instruments::Stop(char const*) in Instruments.o
      Instruments::AutoReleased<__CFDictionary const*>::~AutoReleased() in Instruments.o
      Instruments::AutoReleased<__CFNumber const*>::~AutoReleased() in Instruments.o
      Instruments::AutoReleased<__CFString const*>::~AutoReleased() in Instruments.o
      Instruments::AutoReleased<__CFData const*>::~AutoReleased() in Instruments.o
  "_CFStringCreateExternalRepresentation", referenced from:
      Instruments::Error(__CFError*) in Instruments.o
  "_CFStringCreateWithFormat", referenced from:
      Instruments::Start() in Instruments.o
      Instruments::Stop(char const*) in Instruments.o
  "___CFConstantStringClassReference", referenced from:
      CFString in Instruments.o
      CFString in Instruments.o
      CFString in Instruments.o
      CFString in Instruments.o
  "_kCFAllocatorDefault", referenced from:
      Instruments::Start() in Instruments.o
      Instruments::Stop(char const*) in Instruments.o
  "_kCFTypeDictionaryKeyCallBacks", referenced from:
      Instruments::Start() in Instruments.o
  "_kCFTypeDictionaryValueCallBacks", referenced from:
      Instruments::Start() in Instruments.o
ld: symbol(s) not found for architecture x86_64