boost中g++ 链接undefined reference to `boost::system::generic

编译错误如下：

g++ -std=c++11 tcp_session.cpp tcp_server.cpp test.cpp -o test -pthread
/tmp/ccv4rZkD.o: In function `__static_initialization_and_destruction_0(int, int)':
tcp_session.cpp:(.text+0x670): undefined reference to `boost::system::generic_category()'
tcp_session.cpp:(.text+0x67c): undefined reference to `boost::system::generic_category()'
tcp_session.cpp:(.text+0x688): undefined reference to `boost::system::system_category()'
/tmp/ccv4rZkD.o: In function `boost::system::error_code::error_code()':
tcp_session.cpp:(.text._ZN5boost6system10error_codeC2Ev[_ZN5boost6system10error_codeC5Ev]+0x17): undefined reference to `boost::system::system_category()'
/tmp/ccv4rZkD.o: In function `boost::asio::error::get_system_category()':
tcp_session.cpp:(.text._ZN5boost4asio5error19get_system_categoryEv[_ZN5boost4asio5error19get_system_categoryEv]+0x5): undefined reference to `boost::system::system_category()'
/tmp/cctVI799.o: In function `tcp_server::start_accept()':
tcp_server.cpp:(.text+0x18e): undefined reference to `tcp_session::socket()'
/tmp/cctVI799.o: In function `__static_initialization_and_destruction_0(int, int)':
tcp_server.cpp:(.text+0x2fc): undefined reference to `boost::system::generic_category()'
tcp_server.cpp:(.text+0x308): undefined reference to `boost::system::generic_category()'
tcp_server.cpp:(.text+0x314): undefined reference to `boost::system::system_category()'
/tmp/cctVI799.o: In function `boost::thread_exception::thread_exception(int, char const*)':
tcp_server.cpp:(.text._ZN5boost16thread_exceptionC2EiPKc[_ZN5boost16thread_exceptionC5EiPKc]+0x23): undefined reference to `boost::system::system_category()'
/tmp/cctVI799.o: In function `boost::condition_error::condition_error(int, char const*)':

添加链接库 -lboost_system，问题解决。

若还有其他查找不到的，可以去安装路径，查找相应的库文件，编译时加载。

eg：

/home/program/boost_1_67_0$ find . -name *.so
./stage/lib/libboost_log_setup.so
./stage/lib/libboost_chrono.so
./stage/lib/libboost_numpy27.so
./stage/lib/libboost_coroutine.so
./stage/lib/libboost_atomic.so
./stage/lib/libboost_type_erasure.so
./stage/lib/libboost_serialization.so
./stage/lib/libboost_math_c99f.so
./stage/lib/libboost_regex.so
./stage/lib/libboost_container.so
./stage/lib/libboost_filesystem.so
./stage/lib/libboost_thread.so
./stage/lib/libboost_math_tr1l.so
./stage/lib/libboost_random.so
./stage/lib/libboost_program_options.so
./stage/lib/libboost_signals.so
./stage/lib/libboost_locale.so
./stage/lib/libboost_unit_test_framework.so
./stage/lib/libboost_wave.so
./stage/lib/libboost_stacktrace_backtrace.so
./stage/lib/libboost_date_time.so
./stage/lib/libboost_iostreams.so
./stage/lib/libboost_stacktrace_addr2line.so
./stage/lib/libboost_log.so
./stage/lib/libboost_stacktrace_noop.so
./stage/lib/libboost_math_c99.so
./stage/lib/libboost_prg_exec_monitor.so
./stage/lib/libboost_math_c99l.so
./stage/lib/libboost_graph.so
./stage/lib/libboost_timer.so
./stage/lib/libboost_stacktrace_basic.so
./stage/lib/libboost_python27.so
./stage/lib/libboost_context.so
./stage/lib/libboost_math_tr1f.so
./stage/lib/libboost_math_tr1.so
./stage/lib/libboost_system.so
./stage/lib/libboost_wserialization.so
./stage/lib/libboost_contract.so

例如，线程相关， -lboost_thread

巴特西

boost中g++ 链接undefined reference to `boost::system::generic_category()问题

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