我正在尝试在我的应用程序上使用socket.io并且我正在使用pkyeck socket.io实现。但是当我从pkyeck socket.io导入文件和socketrocket中的文件时，我得到21个Apple mach-O链接错误，我不知道这意味着什么或指的是什么。
Undefined symbols for architecture i386:
"_CFHTTPMessageAppendBytes", referenced from:
___30-[SRWebSocket _readHTTPHeader]_block_invoke in SRWebSocket.o
"_CFHTTPMessageCopyAllHeaderFields", referenced from:
___30-[SRWebSocket _readHTTPHeader]_block_invoke in SRWebSocket.o
"_CFHTTPMessageCopyHeaderFieldValue", referenced from:
-[SRWebSocket _checkHandshake:] in SRWebSocket.o
-[SRWebSocket _HTTPHeadersDidFinish] in SRWebSocket.o
"_CFHTTPMessageCopySerializedMessage", referenced from:
-[SRWebSocket didConnect] in SRWebSocket.o
"_CFHTTPMessageCreateEmpty", referenced from:
-[SRWebSocket _readHTTPHeader] in SRWebSocket.o
"_CFHTTPMessageCreateRequest", referenced from:
-[SRWebSocket didConnect] in SRWebSocket.o
"_CFHTTPMessageGetResponseStatusCode", referenced from:
-[SRWebSocket _HTTPHeadersDidFinish] in SRWebSocket.o
"_CFHTTPMessageIsHeaderComplete", referenced from:
___30-[SRWebSocket _readHTTPHeader]_block_invoke in SRWebSocket.o
"_CFHTTPMessageSetHeaderFieldValue", referenced from:
-[SRWebSocket didConnect] in SRWebSocket.o
___25-[SRWebSocket didConnect]_block_invoke in SRWebSocket.o
"_SecCertificateCopyData", referenced from:
-[SRWebSocket stream:handleEvent:] in SRWebSocket.o
"_SecRandomCopyBytes", referenced from:
-[SRWebSocket didConnect] in SRWebSocket.o
-[SRWebSocket _sendFrameWithOpcode:data:] in SRWebSocket.o
"_SecTrustGetCertificateAtIndex", referenced from:
-[SRWebSocket stream:handleEvent:] in SRWebSocket.o
"_SecTrustGetCertificateCount", referenced from:
-[SRWebSocket stream:handleEvent:] in SRWebSocket.o
"_kCFHTTPVersion1_1", referenced from:
-[SRWebSocket didConnect] in SRWebSocket.o
"_kCFStreamPropertySSLPeerTrust", referenced from:
-[SRWebSocket stream:handleEvent:] in SRWebSocket.o
"_kCFStreamPropertySSLSettings", referenced from:
-[SRWebSocket _initializeStreams] in SRWebSocket.o
"_kCFStreamSSLValidatesCertificateChain", referenced from:
-[SRWebSocket _initializeStreams] in SRWebSocket.o
"_kSecRandomDefault", referenced from:
-[SRWebSocket didConnect] in SRWebSocket.o
-[SRWebSocket _sendFrameWithOpcode:data:] in SRWebSocket.o
"_utf8_countTrailBytes", referenced from:
_validate_dispatch_data_partial_string in SRWebSocket.o
"_utf8_nextCharSafeBody", referenced from:
_validate_dispatch_data_partial_string in SRWebSocket.o
ld: symbol(s) not found for architecture i386
clang: error: linker command failed with exit code 1 (use -v to see invocation)
我真的不知道为什么我得到它们，因为我所做的就是将文件导入到项目中。