boost::thread error
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Thread: boost::thread error

  1. #1
    Join Date
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    boost::thread error

    Hi,
    when i try to include <boost/thread.hpp> to my project i gets:

    error LNK2019: unresolved external symbol "class boost::system::error_category const & __cdecl boost::system::system_category(void)" (?system_category@system@boost@@YAABVerror_category@12@XZ) referenced in function "public: __thiscall boost::thread_exception::thread_exception(int,char const *)" (??0thread_exception@boost@@QAE@HPBD@Z)

    i work with other boost libs fine.

    i have VS2010, win 7, 64 bit.

  2. #2
    VictorN's Avatar
    VictorN is online now Super Moderator Power Poster
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    Re: boost::thread error

    You have linkage error, not a compile one. It means you missed to add some .lib or .obj module containing the correspondent function.
    Victor Nijegorodov

  3. #3
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    Re: boost::thread error

    i didn't use any function.. only #include <boost/thread.hpp>.

  4. #4
    VictorN's Avatar
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    Re: boost::thread error

    You do use (direct or indirect) something like "class boost::system::error_category const & __cdecl boost::system::system_category(void)" which is
    referenced in function "public: __thiscall boost::thread_exception::thread_exception(int,char const *)"
    At least it is what your error LNK2019 shows you!
    Victor Nijegorodov

  5. #5
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    Re: boost::thread error

    evilGil, contrary to most boost libraries, boost::thread is NOT header-only and it should be compiled separately to the wanted target. With VC++, everything is automated, just take a look at boost installation docs for further details ...

  6. #6
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    Re: boost::thread error

    thanx for the help.. if someone already know the issue please tell me instead of reading lots of pages for one small f&^%ing problem.

  7. #7
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    Re: boost::thread error

    no one knows????

  8. #8
    VictorN's Avatar
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    Re: boost::thread error

    Quote Originally Posted by evilGil View Post
    no one knows????
    It is Visual C++ Programming forum, not a boost one! Therefore there are not so many people using boost and knowing how to solve problems with this library.
    So maybe you will try to ask this specific question in some of the boost forums?
    Victor Nijegorodov

  9. #9
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    Re: boost::thread error

    that what fix the problem...
    bjam.exe toolset=msvc-10.0 runtime-link=static,shared link=static threading=multi --without-python --without-math --without-wave --without-mpi --without-test --without-graph --without-graph_parallel

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