[Boost-users] undefined reference to

Subject: [Boost-users] undefined reference to
From: Marco Piacentini (marcopiacenta_at_[hidden])
Date: 2011-03-09 12:51:11

I've spent 2 hours to try to solve this error

**** Build of configuration Debug for project ServerFork ****

make all 
Building target: ServerFork
Invoking: GCC C++ Linker
g++ -L/usr/lib -o"ServerFork"  ./ServerFork.o   -lboost_thread -lboost_system
./ServerFork.o: In function `__static_initialization_and_destruction_0':
/usr/nuovoboost/boost_asio_1_5_2/boost/system/error_code.hpp:214: undefined 
reference to `boost::system::generic_category()'
/usr/nuovoboost/boost_asio_1_5_2/boost/system/error_code.hpp:215: undefined 
reference to `boost::system::generic_category()'
/usr/nuovoboost/boost_asio_1_5_2/boost/system/error_code.hpp:216: undefined 
reference to `boost::system::system_category()'
./ServerFork.o: In function `error_code':
/usr/nuovoboost/boost_asio_1_5_2/boost/system/error_code.hpp:315: undefined 
reference to `boost::system::system_category()'
./ServerFork.o: In function `boost::asio::error::get_system_category()':
/usr/nuovoboost/boost_asio_1_5_2/boost/asio/error.hpp:216: undefined reference 
to `boost::system::system_category()'
collect2: ld returned 1 exit status
make: *** [ServerFork] Error 1

I've seen that probably I need to compile the boost system library...but I don't 
be able...I'm trying but I don't find a step to step clear and simple 
guide...does anyone help me?




________________________________
Da: Igor R <boost.lists_at_[hidden]>
A: boost-users_at_[hidden]
Inviato: Mer 9 marzo 2011, 12:49:09
Oggetto: Re: [Boost-users] boost concurrent write/read

> ok...then it means that the asyncronous operation needs to be transformed in
> a sync operation?

No, it just means that you should "chain" your async. operations in this manner:
read -- handler -- read -- handler...
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