title: library not found for -lDoubleConversion
body: <p>I tried to build on XCode but <code>ld: library not found for -lDoubleConversion</code> error occurs. I could build <code>react-native run-ios</code>. That would work, but XCode could not build...</p>
  
  <blockquote>
    <p>ld: warning: directory not found for option '-L/Users/xxxxx/Library/Developer/Xcode/DerivedData/xxxxx/Build/Products/Debug-iphonesimulator/DoubleConversion'
    ld: warning: directory not found for option '-L/Users/xxxxx/Library/Developer/Xcode/DerivedData/xxxxx/Build/Products/Debug-iphonesimulator/Folly'
    ld: warning: directory not found for option '-L/Users/xxxxx/Library/Developer/Xcode/DerivedData/xxxxx/Build/Products/Debug-iphonesimulator/GTMOAuth2'
    ld: warning: directory not found for option '-L/Users/xxxxx/Library/Developer/Xcode/DerivedData/xxxxx/Build/Products/Debug-iphonesimulator/GTMSessionFetcher'
    ld: warning: directory not found for option '-L/Users/xxxxx/Library/Developer/Xcode/DerivedData/xxxxx/Build/Products/Debug-iphonesimulator/Google-Maps-iOS-Utils'
    ld: warning: directory not found for option '-L/Users/xxxxx/Library/Developer/Xcode/DerivedData/xxxxx/Build/Products/Debug-iphonesimulator/GoogleToolboxForMac'
    ld: warning: directory not found for option '-L/Users/xxxxx/Library/Developer/Xcode/DerivedData/xxxxx/Build/Products/Debug-iphonesimulator/Protobuf'
    ld: warning: directory not found for option '-L/Users/xxxxx/Library/Developer/Xcode/DerivedData/xxxxx/Build/Products/Debug-iphonesimulator/React'
    ld: warning: directory not found for option '-L/Users/xxxxx/Library/Developer/Xcode/DerivedData/xxxxx/Build/Products/Debug-iphonesimulator/glog'
    ld: warning: directory not found for option '-L/Users/xxxxx/Library/Developer/Xcode/DerivedData/xxxxx/Build/Products/Debug-iphonesimulator/leveldb-library'
    ld: warning: directory not found for option '-L/Users/xxxxx/Library/Developer/Xcode/DerivedData/xxxxx/Build/Products/Debug-iphonesimulator/nanopb'
    ld: warning: directory not found for option '-L/Users/xxxxx/Library/Developer/Xcode/DerivedData/xxxxx/Build/Products/Debug-iphonesimulator/react-native-google-maps'
    ld: warning: directory not found for option '-L/Users/xxxxx/Library/Developer/Xcode/DerivedData/xxxxx/Build/Products/Debug-iphonesimulator/react-native-maps'
    ld: warning: directory not found for option '-L/Users/xxxxx/Library/Developer/Xcode/DerivedData/xxxxx/Build/Products/Debug-iphonesimulator/yoga'
    ld: library not found for -lDoubleConversion
    clang: error: linker command failed with exit code 1 (use -v to see invocation)</p>
  </blockquote>