title: Exit Code 1 Error after building iOS Application
body: <p>I am trying to build my project with RestKit, when I build it I get the error below. I have tried compiling using Apple LLVM 3.0 and LLVM GCC 4.2 and both produce the same result. Any have any ideas what is causing this issue?</p>
  
  <pre><code>Ld "/Users/Jim/Library/Developer/Xcode/DerivedData/Line-dmzyzxolztfnmyeuzqkqcinpsoeq/Build/Products/Debug-iphonesimulator/Line.app/Line" normal i386
      cd "/Jim/Documents/Xcode Projects/Line"
      setenv MACOSX_DEPLOYMENT_TARGET 10.6
      setenv PATH "/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
      /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/clang -arch i386 -isysroot /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.0.sdk "-L/Users/Jim/Library/Developer/Xcode/DerivedData/Line-dmzyzxolztfnmyeuzqkqcinpsoeq/Build/Products/Debug-iphonesimulator" "-F/Users/Jim/Library/Developer/Xcode/DerivedData/Line-dmzyzxolztfnmyeuzqkqcinpsoeq/Build/Products/Debug-iphonesimulator" -filelist "/Users/Jim/Library/Developer/Xcode/DerivedData/Line-dmzyzxolztfnmyeuzqkqcinpsoeq/Build/Intermediates/Line.build/Debug-iphonesimulator/Line.build/Objects-normal/i386/Line.LinkFileList" -mmacosx-version-min=10.6 -Xlinker -objc_abi_version -Xlinker 2 ObjC -all_load -fobjc-arc -Xlinker -no_implicit_dylibs -D__IPHONE_OS_VERSION_MIN_REQUIRED=50000 -framework Security -framework MobileCoreServices -framework CFNetwork -framework SystemConfiguration -lxml2 "/Users/Jim/Library/Developer/Xcode/DerivedData/Line-dmzyzxolztfnmyeuzqkqcinpsoeq/Build/Products/Debug-iphonesimulator/libRestKit.a" -framework CoreData -framework UIKit -framework Foundation -framework CoreGraphics -o "/Users/Jim/Library/Developer/Xcode/DerivedData/Line-dmzyzxolztfnmyeuzqkqcinpsoeq/Build/Products/Debug-iphonesimulator/Line.app/Line"
  
  Command /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/clang failed with exit code 1
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/3IBfJ.png" alt="enter image description here"></p>