【C++】ld连接错误求助！！ 在solaris7下用g++编译连接一个程序，报错如下，偶对c++不熟，哪位大虾给点建议，谢谢！！ 好象都是一些标准库，查找不到？ [color=red]makefile文件：[/color] JREHOME=/usr/j2sdk1.4.1_01/jre PRTIHOME=/export/home/pRTI1516_V2.1 SRCS = BaseFederateAmbassador.cpp Chat.cpp LogicalTimeDouble.cpp StdAfx.cpp PRTIINCLUDE = -I${PRTIHOME}/include PRTILIBDIR = -L${PRTIHOME}/lib -L/usr/local/lib/gcc-lib/sparc-sun-solaris2.7/3.2 JAVALIBDIR = -L${JREHOME}/lib/sparc -L${JREHOME}/lib/sparc/native_threads -L${JREHOME}/lib/sparc/c lient CXXFLAGS   = -Wall -fPIC ${PRTI_INCLUDE} ${JAVAINC} -DRTI_USES_STD_FSTREAM \              -D_NO_LONGLONG -DUSE_NAMESPACES -U__STL_HAS_NAMESPACES CXX = g++ ChatCC: ${SRCS}         $(CXX) ${PRTIINCLUDE} \         ${SRCS} \         ${PRTILIBDIR} ${JAVALIBDIR} ${CXXFLAGS} \         -lrti1516 -ljava -lhpi -ljvm -lverify -lgcc -o $@ clean:         rm -f *~ ChatCC librti1516.so在指定的lib目录下已经存在了。 [color=red]错误信息如下：[/color] Undefined                       first referenced symbol                             in file std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::operator[](unsigned)/var/tmp//ccsysNX8.o std::basic_ios<wchar_t, std::char_traits<wchar_t>; >;::good() const/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::append(std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >; const&)/var/tmp//ccsysNX8.o std::basic_ios<wchar_t, std::char_traits<wchar_t>; >;::exceptions() const/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_ios<wchar_t, std::char_traits<wchar_t>; >;::tie() const/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_ios<wchar_t, std::char_traits<wchar_t>; >;::setstate(std::_Ios_Iostate)/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::basic_string[in-charge](std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >; const&)/var/tmp//ccsysNX8.o std::basic_streambuf<wchar_t, std::char_traits<wchar_t>; >;::sputn(wchar_t const*, int)/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::operator=(wchar_t const*)/var/tmp//ccsysNX8.o std::char_traits<wchar_t>;::eq(wchar_t const&, wchar_t const&)/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_stringstream<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::~basic_stringstream [in-charge]()/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::basic_string[in-charge](wchar_t const*, unsigned, std::allocator<wchar_t>; const&)/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::resize(unsigned)/var/tmp//ccsysNX8.o std::basic_streambuf<wchar_t, std::char_traits<wchar_t>; >;::pubsync()/export/home/pRTI1516_V2.1/lib/librti1516.so std::num_put<wchar_t, std::ostreambuf_iterator<wchar_t, std::char_traits<wchar_t>; >; >;::put(std::ostreambuf_iterator<wchar_t, std::char_traits<wchar_t>; >;, std::ios_base&, wchar_t, long) const/export/home/pRTI1516_V2.1/lib/librti1516.so std::num_put<wchar_t, std::ostreambuf_iterator<wchar_t, std::char_traits<wchar_t>; >; >;::put(std::ostreambuf_iterator<wchar_t, std::char_traits<wchar_t>; >;, std::ios_base&, wchar_t, unsigned long) const/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_ostream<wchar_t, std::char_traits<wchar_t>; >;& std::operator<< <wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;(std::basic_ostream<wchar_t, std::char_traits<wchar_t>; >;&, std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >; const&)/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::operator=(std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >; const&)/var/tmp//ccsysNX8.o std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::c_str() const/var/tmp//ccsysNX8.o std::basic_stringstream<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::basic_stringstream[in-charge](std::_Ios_Openmode)/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::basic_string[in-charge]()/var/tmp//ccsysNX8.o std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::basic_string[in-charge](wchar_t const*, std::allocator<wchar_t>; const&)/var/tmp//ccsysNX8.o std::char_traits<wchar_t>;::length(wchar_t const*)/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::end() const/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::~basic_string [in-charge]()/var/tmp//ccsysNX8.o std::char_traits<wchar_t>;::assign(wchar_t*, unsigned, wchar_t)/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_stringstream<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::str() const/export/home/pRTI1516_V2.1/lib/librti1516.so std::char_traits<wchar_t>;::copy(wchar_t*, wchar_t const*, unsigned)/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::assign(wchar_t const*, unsigned)/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::begin() const/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_ios<wchar_t, std::char_traits<wchar_t>; >;::fill() const/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_string<wchar_t, std::char_traits<wchar_t>;, std::allocator<wchar_t>; >;::length() const/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_ios<wchar_t, std::char_traits<wchar_t>; >;::rdbuf() const/export/home/pRTI1516_V2.1/lib/librti1516.so std::basic_ios<wchar_t, std::char_traits<wchar_t>; >;::_M_check_facet(std::locale::facet const*) const/export/home/pRTI1516_V2.1/lib/librti1516.so ld: fatal: Symbol referencing errors. No output written to ChatCC collect2: ld returned 1 exit status *** Error code 1 make: Fatal error: Command failed for target `ChatCC' 【C++】ld连接错误求助！！ 你的头文件是这样定义的吗？ #include <iostream>; #include <string>; using namespace std; 【C++】ld连接错误求助！！ --> 头文件如下： #include "StdAfx.h" #include <iostream>; #include <sstream>; #ifdef _WIN32 #include <io.h>; #include <fcntl.h>; #endif #include "BaseFederateAmbassador.h" #include "LogicalTimeDouble.h" using namespace std; using namespace RTI; 程序不是我写的，c++不熟，谢谢老大指导 【C++】ld连接错误求助！！ 你还是把报错的程序贴出来吧， 如果很大，贴一部分就可以了，我帮你看看。 【C++】ld连接错误求助！！ 这个是主程序，相关api函数都在librti1516.so中。好象报告的是这个动态库中有很多子程序无法找到，是不是编译动态库的时候有问题？ // Chat.cpp : Defines the entry point for the console application. // #include "StdAfx.h" #include <iostream>; #include <sstream>; #include <string>; #ifdef _WIN32 #include <io.h>; #include <fcntl.h>; #endif #include "BaseFederateAmbassador.h" #include "LogicalTimeDouble.h" using namespace std; using namespace RTI; class ChatCCFederate : public BaseFederateAmbassador { private:    auto_ptr< RTIambassador >; _rtiAmbassador;    InteractionClassHandle _messageId;    ParameterHandle _parameterIdText;    LogicalTimeDoubleFactory _myTimeFactory;    LogicalTimeIntervalFactoryDouble _myIntervalFactory; public:    ChatCCFederate(int argc, char* argv[])    {       RTIambassadorFactory* rtiAmbassadorFactory = new RTIambassadorFactory();       vector< wstring >; args;       wstring host;       if (argc >; 1) {          string2wstring(host, argv[1]);       } else {          host = L"localhost";       }       args.push_back(wstring(L"crcHost = ").append(host));       args.push_back(L"crcPort = 8989");       _rtiAmbassador = rtiAmbassadorFactory->;createRTIambassador(args);    }   ~ChatCCFederate() throw()    {    }    void run()    {       try {          try {             _rtiAmbassador->;createFederationExecution(L"ChatRoom", L"chat.xml");          } catch (FederationExecutionAlreadyExists&) {          }          FederateHandle federateHandle = _rtiAmbassador->;joinFederationExecution(             L"Chat",             L"ChatRoom",             *this,             _myTimeFactory,             _myIntervalFactory);          _messageId = _rtiAmbassador->;getInteractionClassHandle(L"Communication");          _parameterIdText = _rtiAmbassador->;getParameterHandle(_messageId, L"Message");          _rtiAmbassador->;subscribeInteractionClass(_messageId);          _rtiAmbassador->;publishInteractionClass(_messageId); #ifdef _WIN32          // Make sure that stdin is in text mode. Initialization of the          // Java Virtual Machine (done by pRTI) has a side-effect which          // is to set stdin to binary mode.          _setmode(_fileno(stdin), _O_TEXT); #endif          cout << "Type messages you want to send. To exit, type . <ENTER>;" << endl;          while (true) {             cout << ">; ";             cout.flush();             char msg[256];             cin.getline(msg, sizeof(msg));             if (!strcmp(msg, ".")) {                break;             }             ParameterHandleValueMap parameters;             parameters[_parameterIdText] = ParameterValue(msg, strlen(msg) + 1);             _rtiAmbassador->;sendInteraction(_messageId, parameters, UserSuppliedTag(0, 0));          }          _rtiAmbassador->;resignFederationExecution(CANCEL_THEN_DELETE_THEN_DIVEST );          try {             _rtiAmbassador->;destroyFederationExecution(L"ChatRoom");          } catch (FederatesCurrentlyJoined) {          }       } catch (RTI::exception& e) {          cout << e.what();       }    }    void receiveInteraction(       InteractionClassHandle const & theInteraction,       std::auto_ptr< ParameterHandleValueMap >; theParameterValues,       UserSuppliedTag const & theUserSuppliedTag,       OrderType const & sentOrder,       TransportationType const & theType)      throw(FederateInternalError, InteractionClassNotSubscribed, InteractionParameterNotRecognized , InteractionClassNotRecognized)    {       if (theInteraction == _messageId) {          string message;          for (ParameterHandleValueMap::const_iterator i = theParameterValues->;begin(); i != thePar ameterValues->;end(); ++i) {             ParameterHandle const & handle = i->;first;             ParameterValue const & value = i->;second;             if (handle == _parameterIdText) {                message = string(static_cast< const char* >;(value.data()), value.size());             }          }          cout << message << endl;       }    }    void string2wstring(wstring &dest, const string &src)    {       dest.resize(src.size());       for (string::size_type i = 0; i < src.size(); i++)          dest[i] = static_cast<unsigned char>;(src[i]);    } }; int main(int argc, char* argv[]) {    try {       ChatCCFederate chatCCFederate(argc, argv);       chatCCFederate.run();    } catch (RTI::RTIinternalError& e) {       cout << L"Exception caught " << e.what() << endl;    }    return 0; } 【C++】ld连接错误求助！！ vector< wstring >; args; 你使用了vector，怎么不包含它的头文件呢？ 还有wstring你也要找到它的头文件包含起来。 【C++】ld连接错误求助！！ --> 能告诉我应该加哪几个头文件？加在什么地方？程序是鬼子写的，对c++，偶是菜鸟，见笑:) 谢谢 lenovo 【C++】ld连接错误求助！！ --> #include <vector>; 那个wstring应该不用加了，你再试试吧。 还是找本书看看c++吧。 【C++】ld连接错误求助！！ --> 我觉得有点不对劲，你看他编译的结果，.o 都出来了。可能不是这个问题，我怀疑那些要包含的都在 "stdafx.h"里声明了，所以他能编译过去。 他是在连接的时候碰到问题的。 【C++】ld连接错误求助！！ --> 这个程序原来是在 windows 上开发的，你肯定它能在 solaris 上编译吗？ 【C++】ld连接错误求助！！ --> 我感觉他的问题出在宽字符集上，可我也没用过， 不清楚该怎么办。 【C++】ld连接错误求助！！ --> 是呀，我也晕呀， #include "StdAfx.h" 这个头文件他怎么也包含进来， 是不是一点都不懂呀。 【C++】ld连接错误求助！！ --> 这个软件的原型实在windows下开发的，现在想移植到solaris下，鬼子提供的makefile和部分源代码，我也不敢确认是否能在soalris下编译通过，现在就是在做实验。 【C++】ld连接错误求助！！ --> 赞成，错误信息每一条都有 wchar_t。 【C++】ld连接错误求助！！ --> StdAfx.h如下： // stdafx.h : include file for standard system include files, //  or project specific include files that are used frequently, but //      are changed infrequently // #if !defined(AFX_STDAFX_H__0B6A115A_514D_4122_8241_85CE2F6ACDA7__INCLUDED_) #define AFX_STDAFX_H__0B6A115A_514D_4122_8241_85CE2F6ACDA7__INCLUDED_ #if _MSC_VER >; 1000 #pragma once #endif // _MSC_VER >; 1000 #pragma warning(disable : 4786) #include "RTI/1516.h" #include "RTI/EncodedLogicalTime.h" #include "RTI/EncodedLogicalTimeInterval.h" #include "RTI/RTIambassadorFactory.h" // TODO: reference additional headers your program requires here //{{AFX_INSERT_LOCATION}} // Microsoft Visual C++ will insert additional declarations immediately before the previous line. #endif // !defined(AFX_STDAFX_H__0B6A115A_514D_4122_8241_85CE2F6ACDA7__INCLUDED_) 加了 #include <vector>; 还是不行，是不是哪个库文件没有包含进来？g++的和这些错误相关的库文件是哪个呢？ 谢谢各位！！ 【C++】ld连接错误求助！！ 偶也不懂了。 :oops: 像那个windows下的头文件， 在unix下是没有的。 【C++】ld连接错误求助！！ --> 在google下查了，好象是gcc3.2的bug ：（ 【C++】ld连接错误求助！！ 装一个gcc3.3呀。 :D 【C++】ld连接错误求助！！ 用gcc3.3.2报告无穷的语法错～～～～ 看来gcc的版本差异大啊 【C++】ld连接错误求助！！ 链接错误无非是找不到实现函数而已，不管是库的还是自己写的 [ 关闭窗口 ]