[問題] MinGW/MSYS 問題出在哪？(詳細說明)

[previewslave (蝦蝦蝦蝦 來玩圍棋吧)]

在下先說明環境：

        作業系統：WinXP with SP2
        編譯環境：MinGW + MSYS

再來說編譯過程：

        bjam
                --toolset=gcc
                --bulid-type=release
                --with-system
                --with-thread
                --with-date_time
                --with-regex
                --with-serialization
                install

最後還不放心，又在做一次：

        bjam
                --toolset=gcc
                --build-type=complete
                install

但是針對這個範例程式：

        #include <iostream>
        #include <boost/asio.hpp>
        #include <boost/date_time/posix_time/posix_time.hpp>
        int main()
        {
                boost::asio::io_service io;
                boost::asio::deadline_timer t(io, boost::posix_time::seconds(5));
                t.wait();
                std::cout << "Hello, world!\n";
                return 0;
        }

編譯指令：

        $ g++ -I /Boost/include/boost-1_35/ -L /Boost/lib/ 01.cpp

卻出現以下錯誤訊息：


        C:/WINDOWS/Temp/ccomTj71.o:01.cpp:(.text+0x301): undefined reference to
`boost::system::get_system_category()'
        C:/WINDOWS/Temp/ccomTj71.o:01.cpp:(.text+0x31a): undefined reference to
`boost::system::get_posix_category()'
        C:/WINDOWS/Temp/ccomTj71.o:01.cpp:(.text+0x333): undefined reference to
`boost::system::get_posix_category()'
        C:/WINDOWS/Temp/ccomTj71.o:01.cpp:(.text+0x34c): undefined reference to
`boost::system::get_system_category()'

        C:/WINDOWS/Temp/ccomTj71.o:01.cpp:(.text$_ZN5boost4asio5error19get_system_categoryEv[boost::asio::error::get_system_category()]+0x7):
undefined reference to `boost::system::get_system_category()'

        C:/WINDOWS/Temp/ccomTj71.o:01.cpp:(.text$_ZN5boost6system10error_codeC1Ev[boost::system::error_code::error_code()]+0x14):
undefined reference to `boost::system::get_system_category()'

        C:/WINDOWS/Temp/ccomTj71.o:01.cpp:(.text$_ZN5boost4asio6detail12winsock_initILi2ELi0EE7do_initC1Ev[boost::asio::detail::winsock_init<2,
0>::do_init::do_init()]+0x1f): undefined reference to `WSAStartup@8'

        C:/WINDOWS/Temp/ccomTj71.o:01.cpp:(.text$_ZN5boost4asio6detail10socket_ops6selectEiP6fd_setS4_S4_P7timevalRNS_6system10error_codeE[boost::asio::detail::socket_ops::select(int,
fd_set*, fd_set*, fd_set*, timeval*, boost::system::error_code&)]+0xe1):
undefined reference to `select@20'

        C:/WINDOWS/Temp/ccomTj71.o:01.cpp:(.text$_ZN5boost4asio6detail10socket_ops13error_wrapperIiEET_S4_RNS_6system10error_codeE[int
boost::asio::detail::socket_ops::error_wrapper<int>(int,
boost::system::error_code&)]+0x13): undefined reference to `WSAGetLastError@0'

        C:/WINDOWS/Temp/ccomTj71.o:01.cpp:(.text$_ZN5boost4asio6detail10socket_ops11clear_errorERNS_6system10error_codeE[boost::asio::detail::socket_ops::clear_error(boost::system::error_code&)]+0xf):
undefined reference to `WSASetLastError@4'

        C:/WINDOWS/Temp/ccomTj71.o:01.cpp:(.text$_ZN5boost4asio6detail12winsock_initILi2ELi0EE7do_initD1Ev[boost::asio::detail::winsock_init<2,
0>::do_init::~do_init()]+0x7): undefined reference to `WSACleanup@0'
        collect2: ld returned 1 exit status

請問，問題是出在那兒呢？

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