boost_program_options failed to link due to undefined references

When building a program that uses boost::program_options a couple of undefined refereneces show up:

CMakeFiles/saryxo_train.dir/src/main.cpp.o: In Function »boost::program_options::basic_command_line_parser<char>::basic_command_line_parser(int, char const* const*)«:
/usr/local/include/boost/program_options/detail/parsers.hpp:28: Warning: undefined reference to »boost::program_options::detail::cmdline::cmdline(std::__debug::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&)«
CMakeFiles/saryxo_train.dir/src/main.cpp.o:(.data.rel.ro._ZTVN5boost15program_options11typed_valueIicEE[_ZTVN5boost15program_options11typed_valueIicEE]+0x38): Warning: undefined reference to »boost::program_options::value_semantic_codecvt_helper<char>::parse(boost::any&, std::__debug::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, bool) const«
CMakeFiles/saryxo_train.dir/src/main.cpp.o:(.data.rel.ro._ZTVN5boost15program_options11typed_valueIjcEE[_ZTVN5boost15program_options11typed_valueIjcEE]+0x38): Warning: undefined reference to »boost::program_options::value_semantic_codecvt_helper<char>::parse(boost::any&, std::__debug::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, bool) const«
CMakeFiles/saryxo_train.dir/src/main.cpp.o:(.data.rel.ro._ZTVN5boost15program_options11typed_valueINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcEE[_ZTVN5boost15program_options11typed_valueINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEcEE]+0x38): Warning: undefined reference to »boost::program_options::value_semantic_codecvt_helper<char>::parse(boost::any&, std::__debug::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, bool) const«
CMakeFiles/saryxo_train.dir/src/main.cpp.o: In Function »boost::program_options::typed_value<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, char>::xparse(boost::any&, std::__debug::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&) const«:
/usr/local/include/boost/program_options/detail/value_semantic.hpp:184: Warning: undefined reference to  »boost::program_options::validate(boost::any&, std::__debug::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, int)«

I am using CMake 3.14 and link boost in the CMake list like:

cmake_minimum_required(VERSION 3.14)
set (CMAKE_CXX_STANDARD 14)
find_package(Boost 1.70 COMPONENTS filesystem program_options REQUIRED)
...
target_link_libraries(project ${Boost_LIBRARIES})

System Plattform: Ubuntu x86_64
CMake/GCC Version: 3.14/7.4.0
Boost Version: 1.71

从 issue 中显示的 CMake 配置开始，尤其是 find_package 和 target_link_libraries，然后使用 GCC 7.4.0、CMake 3.14 和 Boost 1.71 重现 Ubuntu x86_64 构建。当使用 boost::program_options 的程序能够链接且不再出现报告中的 undefined references 时，即表示完成。