Hi everyone, i&#39;m traying compile the example  <a href="http://www.boost.org/doc/libs/1_42_0/doc/html/boost_asio/tutorial/tutdaytime2.html">http://www.boost.org/doc/libs/1_42_0/doc/html/boost_asio/tutorial/tutdaytime2.html</a>, but i getting this error, what i missing?? Thanks!!<br>
<br>pp@hobbes:/home/pdro7/ns-Sockets# c++ -I ../boost_1_40_0 myserver.cpp -o myserver /usr/include/libboost_system.a /usr/include/libboost_thread.a /usr/include/libboost_date_time.a /usr/include/libboost_regex.a /usr/include/libboost_serialization.a -lpthread <br>
/usr/include/libboost_system.a(error_code.o): In function `boost::system::get_generic_category()&#39;:<br>error_code.cpp:(.text+0x90): undefined reference to `__cxa_guard_acquire&#39;<br>error_code.cpp:(.text+0xaa): undefined reference to `__cxa_guard_release&#39;<br>
/usr/include/libboost_system.a(error_code.o): In function `boost::system::get_system_category()&#39;:<br>error_code.cpp:(.text+0x100): undefined reference to `__cxa_guard_acquire&#39;<br>error_code.cpp:(.text+0x11a): undefined reference to `__cxa_guard_release&#39;<br>
/usr/include/libboost_system.a(error_code.o): In function `(anonymous namespace)::generic_error_category::message(int) const&#39;:<br>error_code.cpp:(.text+0x176): undefined reference to `__cxa_guard_acquire&#39;<br>error_code.cpp:(.text+0x1eb): undefined reference to `__cxa_guard_release&#39;<br>
error_code.cpp:(.text+0x231): undefined reference to `__cxa_guard_abort&#39;<br>/usr/include/libboost_system.a(error_code.o): In function `boost::system::errc::make_error_condition(boost::system::errc::errc_t)&#39;:<br>error_code.cpp:(.text._ZN5boost6system4errc20make_error_conditionENS1_6errc_tE[boost::system::errc::make_error_condition(boost::system::errc::errc_t)]+0x38): undefined reference to `__cxa_guard_acquire&#39;<br>
error_code.cpp:(.text._ZN5boost6system4errc20make_error_conditionENS1_6errc_tE[boost::system::errc::make_error_condition(boost::system::errc::errc_t)]+0x52): undefined reference to `__cxa_guard_release&#39;<br>collect2: ld returned 1 exit status<br>
<br clear="all"><br>-- <br>Ing Pedro Alonso Chaparro Valero<br>Ciudad Politecnica de la Innovación<br>iTEAM - Mobile Communications Group<br>Polytechnic University of Valencia<br>C\ Camino de Vera S/N, Edificio 8G<br>46022 Valencia, Spain<br>