我正在尝试从Getting Started Guide编译Boost.Regex程序,但即使我链接了所需的库,我也得到了一些未解析的外部符号:
1>------ Build started: Project: Project1, Configuration: Debug Win32 ------ 1> main.cpp 1>main.obj : error LNK2019: unresolved external symbol "public: void __thiscall boost::re_detail_106100::raw_storage::resize(unsigned int)" (?resize@raw_storage@re_detail_106100@boost@@QAEXI@Z) referenced in function "public: void * __thiscall boost::re_detail_106100::raw_storage::extend(unsigned int)" (?extend@raw_storage@re_detail_106100@boost@@QAEPAXI@Z) 1>main.obj : error LNK2019: unresolved external symbol "public: void * __thiscall boost::re_detail_106100::raw_storage::insert(unsigned int,unsigned int)" (?insert@raw_storage@re_detail_106100@boost@@QAEPAXII@Z) referenced in function "public: struct boost::re_detail_106100::re_syntax_base * __thiscall boost::re_detail_106100::basic_regex_creator<char,struct boost::regex_traits<char,class boost::cpp_regex_traits<char> > >::insert_state(int,enum boost::re_detail_106100::syntax_element_type,unsigned int)" (?insert_state@?$basic_regex_creator@DU?$regex_traits@DV?$cpp_regex_traits@D@boost@@@boost@@@re_detail_106100@boost@@QAEPAUre_syntax_base@23@HW4syntax_element_type@23@I@Z) 1>C:\Users\unknown\Documents\Visual Studio 2015\Projects\Project1\Debug\Project1.exe : fatal error LNK1120: 2 unresolved externals ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
以下是代码(取自here):
#include <boost/regex.hpp>
#include <iostream>
#include <string>
int main()
{
std::string line;
boost::regex pat("^Subject: (Re: |Aw: )*(.*)");
while (std::cin)
{
std::getline(std::cin, line);
boost::smatch matches;
if (boost::regex_match(line, matches, pat))
std::cout << matches[2] << std::endl;
}
}
一些信息:
bootstrap
,然后b2
libboost_regex-vc140-mt-1_61.lib
(libboost_regex-vc140-mt-gd-1_61.lib
用于调试)有什么想法吗?
答案 0 :(得分:1)
此链接http://lists.boost.org/boost-users/2010/04/57957.php表明构建boost库和项目之间的编译器标志存在一些差异