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Best Way To Troubleshoot Thread Boost Linker Errors

If you receive a “push-link link error” error, this blog post is here to help.

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    While trying to create the Standard Boost :: thread example found on the internet, I am getting a few obstacles from the thread_data.hpp Boost header database that I cannot directly map to, but could presumably be Thrust related. (I also buy the same bugs in my real program, but use the sample code to make sure this is not a problem in my code.)

    Here is some sample code I found for the Boost :: Thread tutorial:

      #include    # enable    #include     void workerFunc ()            boost :: posix_time :: seconds workTime (3);        std :: cout << "worker: running" << std :: endl;        // Imagine you are following something useful ...        boost :: this_thread :: sleep (workTime);        std :: cost << "worker: finished" << std :: endl;        int main (int argc, char * argv [])            std :: cout << "main: startup" << std :: endl;        boost :: thread workerThread (workerFunc);        std :: cout << "main: dies to exit the stream" << std :: endl;        workerThread.join ();        std :: cout << "main: done" << std :: endl;        Returns 0;     
      mingw32-g ++. exe -LC:  projects  boost  lib -o bin  Debug  Guardian.exe obj  Debug  Scratch.o -lboost_filesystem-mgw47-mt-1_53 -lboost_system-mgw47 -mt -1_53 -lboost_date_time-mgw47-mt-1_53 -lboost_thread-mgw47-mt-1_53 
      C:  projects  boost  include  boost-1_53  boost  thread  win32  thread_data.hpp | 123 | undefined reference to `_imp ___ ZTVN5boost6detail16thread_data_baseE '| 

    On the CodeBlocks market, line 123 of the h2 tag thread_data file.hpp is reported as the source of the error:

      // # if BOOST_THREAD_PROVIDES_INTERRUPTIONS is specified            See also interrupt_handle (create_anonymous_event (detail :: win32 :: manual_reset_event, detail :: win32 :: event_initial_reset))            , interrupt_enabled (true) 

    I forgot to link the library? I am using Boost with no problem while I tried using Thread Pool. I am new to Boost and have no idea what could be causing this type of error.

    boost thread linker error

      bjam --toolset = gcc --with-thread-level 

    Every time I try to use Boost.Thread I get undefined referrals even though I am linking to it. This does not happen with other boosting libraries like Regex or System.

     > g ++ main.cpp -I. -L. -lboost_thread-mgw45-mt-1_46_1C: UsersjhasseAppDataLocalTempccjYfDox.o: main.cpp :(. Text + 0xf): undefined reference to `_imp___ZN5boost6thread20hardware_concurrencyEv 'Collect2: ld decremented the state of output 1 
      #include Int. hpp># include principal ()    std :: cout << boost :: thread :: hardware_concurrency () << std :: endl; 

    I am new to multiplying streams and am trying to put together a simple example I found:

      #include #include #include void workerFunc ()      boost :: posix_time :: seconds workTime (3);    std :: cout << "worker: running" << std :: endl;        boost :: this_thread :: sleep (workTime);    std :: cost << "worker: finished" << std :: endl;     int main (int argc, char * argv [])      std :: cout << "main: startup" << std :: endl;    boost :: thread workerThread (workerFunc);    std :: cout << "main: hope for a stream" << std :: endl;    workerThread.join ();    std :: cout << "main: done" << std :: endl;    Returns 0; 

    I compile it when it comes to g ++ -Wall -I $ (BOOST) / include -L $ (BOOST) / lib / -lboost_system test.cpp and I get the following errors:

      /tmp/ccp180QW.o: In the function `__static_initialization_and_destruction_0 (int, int) ':test.cpp :(. text + 0x160): undefined reference to `boost :: system :: generic_category () 'test.cpp :(. text + 0x16c): undefined reference to `boost :: system :: generic_category () 'test.cpp :(. text + 0x178): undefined reference to `boost :: system :: system_category () '/tmp/ccp180QW.o: In Char function `boost :: thread_Exception :: thread_Exception (int, const *) ':test.cpp :(. text._ZN5boost16thread_exceptionC2EiPKc [_ZN5boost16thread_ExceptionC5EiPKc] + 0x14): no reference defined when using `boost :: system :: system_category () '/tmp/ccp180QW.o: In the function `boost :: detail :: thread_data_base :: thread_data_base () ':test.cpp :(. text.Undefined _zn5boost6detail16thread_data_basec2ev [_zn5boost6detail16thread_data_basec5ev] + 0x24): Link if you need a `vtable for boost :: detail :: thread_data_base '/tmp/ccp180QW.o: In itbones `boost :: this_thread :: sleep (boost :: posix_time :: ptime const &) ':test.cpp :(. text._ZN5boost11this_thread5sleepERKNS_10posix_time5ptimeE [boost :: this_thread :: sleep (boost :: posix_time :: ptime undefined const &)] + 0x3e): reference, when using `boost :: hiden_thread timespec & & &) _ this_th '/tmp/ccp180QW.o: In the function `boost :: thread :: start_thread () ':test.cpp :(. text._ZN5boost6thread12start_threadEv [boost :: thread :: start_thread ()] + 0x15): no test defined for `boost :: thread :: start_thread_noexcept () '/tmp/ccp180QW.o: In the `boost :: thread :: ~ thread () 'function:test.cpp :(. text._ZN5boost6threadD2Ev [_ZN5boost6threadD5Ev] + 0x15): undefined references to `boost :: thread :: detach () '/tmp/ccp180QW.o: In the `boost :: thread :: get_id () const 'attribute:test.cpp :(. text.Const] + 0x18): _znk5boost6thread6get_idev [boost :: thread :: get_id () undefined reference to `boost :: thread :: native_handle () '/tmp/ccp180QW.o: In the `boost :: thread :: join () 'function:test.cpp :(. text._ZN5boost6thread4joinEv [boost :: thread :: join ()] + 0x6d): no reference defined in `boost :: thread :: join_noexcept () '/tmp/ccp180QW.o: In the function `boost :: detail :: thread_data  :: ~ thread_data () ':test.cpp :(. text._ZN5boost6detail11thread_dataIPFvvEED2Ev [_ZN5boost6detail11thread_dataIPFvvEED5Ev] + 0x1f): no source defined for `boost :: detail :: thread_data_base :: ~ thread_data_base () '/tmp/ccp180QW.o:(.rodata._ZTIN5boost6detail11thread_dataIPFvvEEEouverntypeinfo for boost :: detail :: thread_data ] + 0x10): returns undefined in `typeinfo at boost :: detail :: thread_data_base 'Collect2: ld returned 1 exit status 

    I am using Boost version 1.55 in additionto 4.6.1 from gcc and to Ubuntu 11.10. What am I missing?

    You will probably try to rearrange the library IDs at the end.

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  • I tried (Boost is already in my linker and in my default path so I don't need to specify the linker and locations, just a few archive names) and it worked for me:

      g ++ -Wall test.-o cpp test -lboost_system -lboost_thread 
      g ++ -Wall -I $ (BOOST) / include test.cpp -o test -L $ (BOOST) / lib -lboost_system -lboost_thread 

    I did as you originally showed and encountered the same error as you did.

    Alternatively, you can do this individually (and more obviously, you still want to take advantage of this if clients have more than one master element file) by breaking down the link compilation steps like this:

    / p>
    boost thread linker error

      g ++ -c -Wall -o test.o test.cppg ++ test.o -o small example -lboost_system -lboost_thread 

    The

    -c in the line before everything else tells g ++ to only bind the compilation object, not bind.

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