链接boost日志教程时出现链接器错误(未定义的引用)
链接boost日志教程时出现链接器错误(未定义的引用)
提问于 2014-04-17 23:45:22
我已经通过yum在Fedora 20上安装了boost，并且正在尝试一些简单的示例。但是，我在编译logging tutorial中的第一个示例时遇到了麻烦。
使用g++ -c boosttest.cc编译可以很好地工作，但是当我尝试将它链接到
g++ boosttest.o -o boosttest -lboost_log -lpthread完整的错误日志：
boosttest.o: In function `main':
boosttest.cc:(.text+0x44): undefined reference to `boost::log::v2s_mt_posix::trivial::logger::get()'
boosttest.cc:(.text+0x9a): undefined reference to `boost::log::v2s_mt_posix::trivial::logger::get()'
boosttest.cc:(.text+0x167): undefined reference to `boost::log::v2s_mt_posix::trivial::logger::get()'
boosttest.cc:(.text+0x1bd): undefined reference to `boost::log::v2s_mt_posix::trivial::logger::get()'
boosttest.cc:(.text+0x28a): undefined reference to `boost::log::v2s_mt_posix::trivial::logger::get()'
boosttest.o:boosttest.cc:(.text+0x2e0): more undefined references to `boost::log::v2s_mt_posix::trivial::logger::get()' follow
boosttest.o: In function `boost::log::v2s_mt_posix::record::reset()':
boosttest.cc:(.text._ZN5boost3log12v2s_mt_posix6record5resetEv[_ZN5boost3log12v2s_mt_posix6record5resetEv]+0x18): undefined reference to `boost::log::v2s_mt_posix::record_view::public_data::destroy(boost::log::v2s_mt_posix::record_view::public_data const*)'
boosttest.o: In function `boost::log::v2s_mt_posix::record boost::log::v2s_mt_posix::sources::basic_composite_logger<char, boost::log::v2s_mt_posix::sources::severity_logger_mt<boost::log::v2s_mt_posix::trivial::severity_level>, boost::log::v2s_mt_posix::sources::multi_thread_model<boost::log::v2s_mt_posix::aux::light_rw_mutex>, boost::log::v2s_mt_posix::sources::features<boost::log::v2s_mt_posix::sources::severity<boost::log::v2s_mt_posix::trivial::severity_level>, void, void, void, void, void, void, void, void, void> >::open_record<boost::parameter::aux::tagged_argument<boost::log::v2s_mt_posix::keywords::tag::severity, boost::log::v2s_mt_posix::trivial::severity_level const> >(boost::parameter::aux::tagged_argument<boost::log::v2s_mt_posix::keywords::tag::severity, boost::log::v2s_mt_posix::trivial::severity_level const> const&)':
boosttest.cc:(.text._ZN5boost3log12v2s_mt_posix7sources22basic_composite_loggerIcNS2_18severity_logger_mtINS1_7trivial14severity_levelEEENS2_18multi_thread_modelINS1_3aux14light_rw_mutexEEENS2_8featuresINS2_8severityIS6_EEvvvvvvvvvEEE11open_recordINS_9parameter3aux15tagged_argumentINS1_8keywords3tag8severityEKS6_EEEENS1_6recordERKT_[_ZN5boost3log12v2s_mt_posix7sources22basic_composite_loggerIcNS2_18severity_logger_mtINS1_7trivial14severity_levelEEENS2_18multi_thread_modelINS1_3aux14light_rw_mutexEEENS2_8featuresINS2_8severityIS6_EEvvvvvvvvvEEE11open_recordINS_9parameter3aux15tagged_argumentINS1_8keywords3tag8severityEKS6_EEEENS1_6recordERKT_]+0x1e): undefined reference to `boost::log::v2s_mt_posix::core::get_logging_enabled() const'
boosttest.o: In function `boost::log::v2s_mt_posix::aux::record_pump<boost::log::v2s_mt_posix::sources::severity_logger_mt<boost::log::v2s_mt_posix::trivial::severity_level> >::~record_pump()':
boosttest.cc:(.text._ZN5boost3log12v2s_mt_posix3aux11record_pumpINS1_7sources18severity_logger_mtINS1_7trivial14severity_levelEEEED2Ev[_ZN5boost3log12v2s_mt_posix3aux11record_pumpINS1_7sources18severity_logger_mtINS1_7trivial14severity_levelEEEED5Ev]+0x2c): undefined reference to `boost::log::v2s_mt_posix::aux::unhandled_exception_count()'
boosttest.o: In function `boost::log::v2s_mt_posix::aux::record_pump<boost::log::v2s_mt_posix::sources::severity_logger_mt<boost::log::v2s_mt_posix::trivial::severity_level> >::record_pump(boost::log::v2s_mt_posix::sources::severity_logger_mt<boost::log::v2s_mt_posix::trivial::severity_level>&, boost::log::v2s_mt_posix::record&)':
boosttest.cc:(.text._ZN5boost3log12v2s_mt_posix3aux11record_pumpINS1_7sources18severity_logger_mtINS1_7trivial14severity_levelEEEEC2ERS8_RNS1_6recordE[_ZN5boost3log12v2s_mt_posix3aux11record_pumpINS1_7sources18severity_logger_mtINS1_7trivial14severity_levelEEEEC5ERS8_RNS1_6recordE]+0x1d): undefined reference to `boost::log::v2s_mt_posix::aux::stream_provider<char>::allocate_compound(boost::log::v2s_mt_posix::record&)'
boosttest.cc:(.text._ZN5boost3log12v2s_mt_posix3aux11record_pumpINS1_7sources18severity_logger_mtINS1_7trivial14severity_levelEEEEC2ERS8_RNS1_6recordE[_ZN5boost3log12v2s_mt_posix3aux11record_pumpINS1_7sources18severity_logger_mtINS1_7trivial14severity_levelEEEEC5ERS8_RNS1_6recordE]+0x28): undefined reference to `boost::log::v2s_mt_posix::aux::unhandled_exception_count()'
boosttest.o: In function `boost::log::v2s_mt_posix::aux::record_pump<boost::log::v2s_mt_posix::sources::severity_logger_mt<boost::log::v2s_mt_posix::trivial::severity_level> >::auto_release::~auto_release()':
boosttest.cc:(.text._ZN5boost3log12v2s_mt_posix3aux11record_pumpINS1_7sources18severity_logger_mtINS1_7trivial14severity_levelEEEE12auto_releaseD2Ev[_ZN5boost3log12v2s_mt_posix3aux11record_pumpINS1_7sources18severity_logger_mtINS1_7trivial14severity_levelEEEE12auto_releaseD5Ev]+0xf): undefined reference to `boost::log::v2s_mt_posix::aux::stream_provider<char>::release_compound(boost::log::v2s_mt_posix::aux::stream_provider<char>::stream_compound*)'
boosttest.o: In function `boost::log::v2s_mt_posix::sources::aux::severity_level<boost::log::v2s_mt_posix::trivial::severity_level>::set_value(boost::log::v2s_mt_posix::trivial::severity_level)':
boosttest.cc:(.text._ZN5boost3log12v2s_mt_posix7sources3aux14severity_levelINS1_7trivial14severity_levelEE9set_valueES6_[_ZN5boost3log12v2s_mt_posix7sources3aux14severity_levelINS1_7trivial14severity_levelEE9set_valueES6_]+0x7): undefined reference to `boost::log::v2s_mt_posix::sources::aux::get_severity_level()'
boosttest.o: In function `boost::log::v2s_mt_posix::record boost::log::v2s_mt_posix::sources::basic_logger<char, boost::log::v2s_mt_posix::sources::severity_logger_mt<boost::log::v2s_mt_posix::trivial::severity_level>, boost::log::v2s_mt_posix::sources::multi_thread_model<boost::log::v2s_mt_posix::aux::light_rw_mutex> >::open_record_unlocked<boost::parameter::aux::tagged_argument<boost::log::v2s_mt_posix::keywords::tag::severity, boost::log::v2s_mt_posix::trivial::severity_level const> >(boost::parameter::aux::tagged_argument<boost::log::v2s_mt_posix::keywords::tag::severity, boost::log::v2s_mt_posix::trivial::severity_level const> const&)':
boosttest.cc:(.text._ZN5boost3log12v2s_mt_posix7sources12basic_loggerIcNS2_18severity_logger_mtINS1_7trivial14severity_levelEEENS2_18multi_thread_modelINS1_3aux14light_rw_mutexEEEE20open_record_unlockedINS_9parameter3aux15tagged_argumentINS1_8keywords3tag8severityEKS6_EEEENS1_6recordERKT_[_ZN5boost3log12v2s_mt_posix7sources12basic_loggerIcNS2_18severity_logger_mtINS1_7trivial14severity_levelEEENS2_18multi_thread_modelINS1_3aux14light_rw_mutexEEEE20open_record_unlockedINS_9parameter3aux15tagged_argumentINS1_8keywords3tag8severityEKS6_EEEENS1_6recordERKT_]+0x2a): undefined reference to `boost::log::v2s_mt_posix::core::open_record(boost::log::v2s_mt_posix::attribute_set const&)'
boosttest.o: In function `boost::log::v2s_mt_posix::sources::basic_logger<char, boost::log::v2s_mt_posix::sources::severity_logger_mt<boost::log::v2s_mt_posix::trivial::severity_level>, boost::log::v2s_mt_posix::sources::multi_thread_model<boost::log::v2s_mt_posix::aux::light_rw_mutex> >::push_record_unlocked(boost::rv<boost::log::v2s_mt_posix::record>&)':
boosttest.cc:(.text._ZN5boost3log12v2s_mt_posix7sources12basic_loggerIcNS2_18severity_logger_mtINS1_7trivial14severity_levelEEENS2_18multi_thread_modelINS1_3aux14light_rw_mutexEEEE20push_record_unlockedERNS_2rvINS1_6recordEEE[_ZN5boost3log12v2s_mt_posix7sources12basic_loggerIcNS2_18severity_logger_mtINS1_7trivial14severity_levelEEENS2_18multi_thread_modelINS1_3aux14light_rw_mutexEEEE20push_record_unlockedERNS_2rvINS1_6recordEEE]+0x36): undefined reference to `boost::log::v2s_mt_posix::core::push_record_move(boost::log::v2s_mt_posix::record&)'
collect2: error: ld returned 1 exit status我遗漏了什么？我做错了什么？
EDIT 1: -lboost_log -lpthread的顺序对输出没有影响。也有a very similar question，但是这个解决方案不适合我。以下命令也会失败，并显示相同的错误：
g++ -DBOOST_LOG_DYN_LINK boosttest.o -o boosttest -lboost_log -lpthread回答 14
Stack Overflow用户
回答已采纳
发布于 2014-04-18 03:34:32
只需添加一行
#define BOOST_LOG_DYN_LINK 1作为boosttest.cc的第一行。
或者，您可以将-DBOOST_LOG_DYN_LINK添加到编译步骤(而不是您在问题中发布的链接步骤)：
g++ -std=c++11 -Wall -pedantic -g -O0 -DBOOST_LOG_DYN_LINK -c boosttest.cc
g++ boosttest.o -lpthread -lboost_log -o boosttestStack Overflow用户
发布于 2014-09-21 09:53:24
我也有同样烦人的问题。宏应该在编译时定义，而不是链接：
g++ -std=c++11 -DBOOST_LOG_DYN_LINK -c boosttest.cc在链接器命令中，确保顺序如下：
g++ boosttest.o -lboost_log -lpthread -o boosttestStack Overflow用户
发布于 2019-04-15 20:55:29
我也有这个错误，如果你使用的是CMake，你可以用下面的方法解决这个问题。
- 查找相关包：log log_setup
find_package(Boost COMPONENTS program_options log log_setup REQUIRED)
2.将日志和log_setup追加到其他库中：
set(PROJECT_LIB ${PROJECT_LIB} ${Boost_LOG_LIBRARY} ${Boost_LOG_SETUP_LIBRARY})- 将这些库链接到您的程序中，
进入CMAKE_CXX_FLAGS标志的target_link_libraries(${PROJECT_NAME} -Wl,--start-group ${PROJECT_LIB} -Wl,--end-group)
- Add DBOOST_LOG_DYN_LINK
set(CMAKE_CXX_FLAGS "-Wall -Wextra -fPIC -fopenmp -DBOOST_LOG_DYN_LINK")
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/23137637
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