[Boost-users] Problem with boost.asio

From: Moji (moji.esi_at_[hidden])
Date: 2008-08-30 10:34:24

I use boost.asio timer in my program. and the timer  require the boost.system
because of the boost::system::error_code in hanlder functions.
I use this command to get output from this:

g++ timer3.cpp -lboost_thread

but this cause this error:

/tmp/ccNQAhKx.o: In function `__static_initialization_and_destruction_0(int,
int)':
timer3.cpp:(.text+0x21a): undefined reference to
`boost::system::get_system_category()'
timer3.cpp:(.text+0x224): undefined reference to
`boost::system::get_posix_category()'
timer3.cpp:(.text+0x22e): undefined reference to
`boost::system::get_posix_category()'
timer3.cpp:(.text+0x238): undefined reference to
`boost::system::get_system_category()'
/tmp/ccNQAhKx.o: In function `boost::asio::error::get_system_category()':
timer3.cpp:(.text._ZN5boost4asio5error19get_system_categoryEv[boost::asio::error::get_system_category()]+0x7):
undefined reference to `boost::system::get_system_category()'
/tmp/ccNQAhKx.o: In function `boost::system::error_code::error_code()':
timer3.cpp:(.text._ZN5boost6system10error_codeC1Ev[boost::system::error_code::error_code()]+0x10):
undefined reference to `boost::system::get_system_category()'
collect2: ld returned 1 exit status

then I also link the boost_system:

g++ timer3.cpp -lboost_thread -lboost_system

but g++ can not find the libboost_system althoght we have these file in the
/usr/lib folder:

/usr/lib/libboost_system-gcc42-mt-1_35.so
/usr/lib/libboost_system-gcc42-mt-1_35.so.1.35.0

and these files in the /usr/local/lib :

/usr/local/lib/libboost_system-gcc42-mt-1_35.so
/usr/local/lib/libboost_system-gcc42-mt-1_35.so.1.35.0
/usr/local/lib/libboost_system-gcc42-mt.so

can anyone help me that whats wrong with me?
and is the boost_system installed properly?

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