Re: [Boost-users] problem compiling with threads and stlport

From: Raj (raja_at_[hidden])
Date: 2004-08-23 15:12:15

I had a similar problem.
Thanks to Dave,
Using the shared library for threads that got built while build+installing
boost solved my problem.

- Raja

> Hi, I posted this a while ago but with no response, so I'm trying
> again.  If anyone is using the boost::threads library with gcc & STLPort
> and has no problems, perhaps they could let me know - at least then I
> know its worth perservering with (or at least try compiling my example?)
>
> If I try to compile the example below with a makefile (also below), then
> I get this linker error:
>
> /home/ncain/tmp/ccaK5aes.o(.text+0x4b): In function `main':
> : undefined reference to
> `boost::thread::thread[in-charge](boost::function0<void,
> _STL::allocator<boost::function_base> > const&)'
>
> If I don't use the _STL namespace it compiles. Looking at the libboost
> libraries, they contain references to _STL stuff, so I assume I compiled
> them ok (bjam -sTOOLS=gcc-stlport -sBUILD="<stlport-iostream>on" )
>
> Does anyone know what could be wrong? (or how I can change a bjam file
> to include the  /usr/local/include/stlport path? so I could try that)
>
> nik
>
>
> testboost.cpp:
> #include <iostream>
> #include <boost/thread/thread.hpp>
> #include <boost/thread/xtime.hpp>
>
> using namespace _STL;
>
> struct thread_alarm
> {
>     thread_alarm(int secs) : m_secs(secs) { }
>     void operator()()
>     {
>         cout << "alarm sounded..." << endl;
>     }
>
>     int m_secs;
> };
>
> int main(int argc, char* argv[])
> {
>     int secs = 5;
>     thread_alarm alarm(secs);
>     boost::thread thrd(alarm);
>     thrd.join();
> }
>
> Makefile:
> .PHONY: all clean
> ALL = testboost
> LIBS= -I/usr/local/include/stlport -I/home/ncain/boost_1_31_0
> -L/usr/local/lib -lstlport_gcc -lboost_thread-gcc-mt-gdp
>
> .cpp:
>     ${CXX} -lpthread -o $@ $^ ${LIBS}
>
> all: ${ALL}
>
> clean:
>     ${RM} core* *.o
>     ${RM} ${ALL}
>
>>
>>
>
>
> _______________________________________________
> Boost-users mailing list
> Boost-users_at_[hidden]
> http://lists.boost.org/mailman/listinfo.cgi/boost-users
>

Regards

Raja