我安装了CocoaPods并在Xcode中打开了xcworkspace但是在尝试构建时遇到了这个错误：

Ld /Users/Robert/Library/Developer/Xcode/DerivedData/CocoaPodsFailure-eqajgeoxnquybpakipqqptcwudjt/Build/Products/Debug-iphonesimulator/CocoaPodsFailure.app/PlugIns/CocoaPodsFailureTests.xctest/CocoaPodsFailureTests normal x86_64
    cd /Users/Robert/Code/_Playing/react-native-cocoapods/CocoaPodsFailure/ios
    export IPHONEOS_DEPLOYMENT_TARGET=8.0
    export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin"
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -arch x86_64 -bundle -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator10.1.sdk -L/Users/Robert/Library/Developer/Xcode/DerivedData/CocoaPodsFailure-eqajgeoxnquybpakipqqptcwudjt/Build/Products/Debug-iphonesimulator -F/Users/Robert/Library/Developer/Xcode/DerivedData/CocoaPodsFailure-eqajgeoxnquybpakipqqptcwudjt/Build/Products/Debug-iphonesimulator -F/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/Library/Frameworks -filelist /Users/Robert/Library/Developer/Xcode/DerivedData/CocoaPodsFailure-eqajgeoxnquybpakipqqptcwudjt/Build/Intermediates/CocoaPodsFailure.build/Debug-iphonesimulator/CocoaPodsFailureTests.build/Objects-normal/x86_64/CocoaPodsFailureTests.LinkFileList -Xlinker -rpath -Xlinker @executable_path/Frameworks -Xlinker -rpath -Xlinker @loader_path/Frameworks -mios-simulator-version-min=8.0 -bundle_loader /Users/Robert/Library/Developer/Xcode/DerivedData/CocoaPodsFailure-eqajgeoxnquybpakipqqptcwudjt/Build/Products/Debug-iphonesimulator/CocoaPodsFailure.app/CocoaPodsFailure -Xlinker -object_path_lto -Xlinker /Users/Robert/Library/Developer/Xcode/DerivedData/CocoaPodsFailure-eqajgeoxnquybpakipqqptcwudjt/Build/Intermediates/CocoaPodsFailure.build/Debug-iphonesimulator/CocoaPodsFailureTests.build/Objects-normal/x86_64/CocoaPodsFailureTests_lto.o -Xlinker -export_dynamic -Xlinker -no_deduplicate -Xlinker -objc_abi_version -Xlinker 2 -fobjc-arc -fobjc-link-runtime -ObjC -framework XCTest /Users/Robert/Library/Developer/Xcode/DerivedData/CocoaPodsFailure-eqajgeoxnquybpakipqqptcwudjt/Build/Products/Debug-iphonesimulator/libReact.a -lPods-CocoaPodsFailureTests -Xlinker -dependency_info -Xlinker /Users/Robert/Library/Developer/Xcode/DerivedData/CocoaPodsFailure-eqajgeoxnquybpakipqqptcwudjt/Build/Intermediates/CocoaPodsFailure.build/Debug-iphonesimulator/CocoaPodsFailureTests.build/Objects-normal/x86_64/CocoaPodsFailureTests_dependency_info.dat -o /Users/Robert/Library/Developer/Xcode/DerivedData/CocoaPodsFailure-eqajgeoxnquybpakipqqptcwudjt/Build/Products/Debug-iphonesimulator/CocoaPodsFailure.app/PlugIns/CocoaPodsFailureTests.xctest/CocoaPodsFailureTests

Undefined symbols for architecture x86_64:
  "std::__1::__next_prime(unsigned long)",referenced from:
      std::__1::__hash_table<std::__1::__hash_value_type<unsigned long,unsigned long>,std::__1::__unordered_map_hasher<unsigned long,std::__1::__hash_value_type<unsigned long,std::__1::hash<unsigned long>,true>,std::__1::__unordered_map_equal<unsigned long,std::__1::equal_to<unsigned long>,std::__1::allocator<std::__1::__hash_value_type<unsigned long,unsigned long> > >::rehash(unsigned long) in libReact.a(RCTJSCExecutor.o)
  "std::__1::mutex::lock()",referenced from:
      -[RCTModuleData setUpInstanceAndBridge] in libReact.a(RCTModuleData.o)
      cachedSystemFont(double,double) in libReact.a(RCTFont.o)
  "std::__1::mutex::unlock()",double) in libReact.a(RCTFont.o)
  "std::__1::mutex::~mutex()",referenced from:
      -[RCTModuleData .cxx_destruct] in libReact.a(RCTModuleData.o)
      cachedSystemFont(double,double) in libReact.a(RCTFont.o)
  "std::terminate()",referenced from:
      ___clang_call_terminate in libReact.a(RCTJSCExecutor.o)
  "operator delete[](void*)",referenced from:
      -[RCTJSCExecutor dealloc] in libReact.a(RCTJSCExecutor.o)
      executeRandomAccessModule(RCTJSCExecutor*,unsigned int,unsigned long,unsigned long) in libReact.a(RCTJSCExecutor.o)
      readRAMBundle(std::__1::unique_ptr<__sFILE,int (*)(__sFILE*)>,RandomAccessBundleData&) in libReact.a(RCTJSCExecutor.o)
      RandomAccessBundleData::~RandomAccessBundleData() in libReact.a(RCTJSCExecutor.o)
  "operator delete(void*)",unsigned long> > >::~__hash_table() in libReact.a(RCTJSCExecutor.o)
      std::__1::__hash_table<std::__1::__hash_value_type<unsigned long,unsigned long> > >::__deallocate(std::__1::__hash_node<std::__1::__hash_value_type<unsigned long,void*>*) in libReact.a(RCTJSCExecutor.o)
      ____ZL37installBasicSynchronousHooksOnContextP9JSContext_block_invoke_6 in libReact.a(RCTJSCExecutor.o)
      std::__1::unique_ptr<std::__1::__hash_node<std::__1::__hash_value_type<unsigned long,void*>,std::__1::__hash_node_destructor<std::__1::allocator<std::__1::__hash_node<std::__1::__hash_value_type<unsigned long,void*> > > > std::__1::__hash_table<std::__1::__hash_value_type<unsigned long,unsigned long> > >::__construct_node_hash<std::__1::pair<unsigned long const,unsigned long> const&>(unsigned long,std::__1::pair<unsigned long const,unsigned long> const&&&) in libReact.a(RCTJSCExecutor.o)
      std::__1::__hash_table<std::__1::__hash_value_type<unsigned long,unsigned long> > >::__rehash(unsigned long) in libReact.a(RCTJSCExecutor.o)
      std::__1::__hash_table<std::__1::__hash_value_type<unsigned long,unsigned long> > >::erase(std::__1::__hash_const_iterator<std::__1::__hash_node<std::__1::__hash_value_type<unsigned long,void*>*>) in libReact.a(RCTJSCExecutor.o)
  "operator new[](unsigned long)",referenced from:
      executeRandomAccessModule(RCTJSCExecutor*,RandomAccessBundleData&) in libReact.a(RCTJSCExecutor.o)
  "operator new(unsigned long)",referenced from:
      std::__1::unique_ptr<std::__1::__hash_node<std::__1::__hash_value_type<unsigned long,unsigned long> > >::__rehash(unsigned long) in libReact.a(RCTJSCExecutor.o)
  "___cxa_begin_catch",referenced from:
      ___clang_call_terminate in libReact.a(RCTJSCExecutor.o)
  "___cxa_guard_acquire",referenced from:
      cachedSystemFont(double,double) in libReact.a(RCTFont.o)
  "___cxa_guard_release",double) in libReact.a(RCTFont.o)
  "___gxx_personality_v0",referenced from:
      -[RCTJavaScriptContext initWithJSContext:onThread:] in libReact.a(RCTJSCExecutor.o)
      -[RCTJavaScriptContext init] in libReact.a(RCTJSCExecutor.o)
      -[RCTJavaScriptContext invalidate] in libReact.a(RCTJSCExecutor.o)
      +[RCTJSCExecutor runRunLoopThread] in libReact.a(RCTJSCExecutor.o)
      -[RCTJSCExecutor setBridge:] in libReact.a(RCTJSCExecutor.o)
      -[RCTJSCExecutor init] in libReact.a(RCTJSCExecutor.o)
      -[RCTJSCExecutor initWithUseCustomJSCLibrary:] in libReact.a(RCTJSCExecutor.o)
      ...
ld: symbol(s) not found for architecture x86_64
clang: error: linker command Failed with exit code 1 (use -v to see invocation)

再生产

管理以重新创建一个新项目：

> react-native init
> react-native run-ios(运行正常)
> pod init&& pod安装(没有添加依赖项)
>从XCode构建(或反应本机run-ios)

这是一个示例项目(只需运行npm install和react-native run-ios来重现这个示例项目)
CocoaPodsFailure.zip

附加信息

> React Native版本：0.36.1
>平台：iOS
>操作系统：MacOS