Hi all,
I'm new at C++ and Boost and I'm with some problems when I try to use
Boost.Asio library. I was trying to build the first example from
Boost.Asio's tutorial. The code is like this:
===== CODE =====
#include <iostream>
#include
#include
int main( int argc, char **argv ) {
boost::asio::io_service io;
boost::asio::deadline_timer t(io, boost::posix_time::seconds(5));
t.wait();
std::cout << "Opa !" << std::endl;
return 0;
}
===== CODE =====
I'm trying to compile using this command: g++ -I/usr/include/boost/
example.cpp -o example", and I'm getting this error:
==== ERROR ====
/tmp/ccv68fST.o: In function
`__static_initialization_and_destruction_0(int, int)':
timer.cpp:(.text+0x51): undefined reference to
`boost::system::get_system_category()'
timer.cpp:(.text+0x5b): undefined reference to
`boost::system::get_generic_category()'
timer.cpp:(.text+0x65): undefined reference to
`boost::system::get_generic_category()'
timer.cpp:(.text+0x6f): undefined reference to
`boost::system::get_generic_category()'
timer.cpp:(.text+0x79): undefined reference to
`boost::system::get_system_category()'
/tmp/ccv68fST.o: In function `boost::asio::error::get_system_category()':
timer.cpp:(.text._ZN5boost4asio5error19get_system_categoryEv[boost::asio::error::get_system_category()]+0x7):
undefined reference to `boost::system::get_system_category()'
/tmp/ccv68fST.o: In function
`boost::asio::detail::posix_tss_ptr
::context>::~posix_tss_ptr()':
timer.cpp:(.text._ZN5boost4asio6detail13posix_tss_ptrINS1_10call_stackINS1_15task_io_serviceINS1_13epoll_reactorILb0EEEEEE7contextEED2Ev[boost::asio::detail::posix_tss_ptr::~posix_tss_ptr()]+0xf): undefined reference to
`pthread_key_delete'
/tmp/ccv68fST.o: In function
`boost::asio::detail::posix_tss_ptr::posix_tss_ptr()':
timer.cpp:(.text._ZN5boost4asio6detail13posix_tss_ptrINS1_10call_stackINS1_15task_io_serviceINS1_13epoll_reactorILb0EEEEEE7contextEEC2Ev[boost::asio::detail::posix_tss_ptr::posix_tss_ptr()]+0x22): undefined reference to
`pthread_key_create'
collect2: ld returned 1 exit status
==== ERROR ====
I already installed Boost and Boost-devel packages. Does anyone know
what is missing ?
Thanks,
--
Davi Vercillo C. Garcia
B.Sc. Student - DCC-IM/UFRJ
Fedora Project Contributor
http://davivercillo.fedorapeople.org/
"If a million people say a foolish thing, it is still a foolish
thing." - Anatole France
