在VS2010中动态链接Boost 1.51.0时链接器错误LNK2019

Question

我正在使用BoostPro Computing安装程序安装的boost库.我在Windows 7 64位计算机上使用VS 2010.我想链接到动态提升,所以我选择了安装程序中的前两个选项(多线程调试DLL和多线程DLL,我相信它们被调用).一些已安装的库的示例如下:

boost_bzip2-vc100-mt-1_51.lib
boost_bzip2-vc100-mt-gd-1_51.lib

当链接到我的项目中的boost时,我也确保定义BOOST_ALL_DYN_LINK.我专门使用filesystem工具集.

当我打开时,BOOST_LIB_DIAGNOSTIC我在构建输出中看到以下消息:

1>  Linking to lib file: boost_filesystem-vc100-mt-gd-1_51.lib
1>  Linking to lib file: boost_system-vc100-mt-gd-1_51.lib

但是,这些很快就会跟进:

1>main.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const __thiscall boost::filesystem::path::string(void)const " (__imp_?string@path@filesystem@boost@@QBE?BV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@XZ) referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: __thiscall boost::filesystem::path::~path(void)" (__imp_??1path@filesystem@boost@@QAE@XZ) referenced in function _main
1>main.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) class boost::filesystem::path __cdecl boost::filesystem::detail::unique_path(class boost::filesystem::path const &,class boost::system::error_code *)" (__imp_?unique_path@detail@filesystem@boost@@YA?AVpath@23@ABV423@PAVerror_code@system@3@@Z) referenced in function "class boost::filesystem::path __cdecl boost::filesystem::unique_path(class boost::filesystem::path const &)" (?unique_path@filesystem@boost@@YA?AVpath@12@ABV312@@Z)
1>main.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: static class std::codecvt<wchar_t,char,int> const & __cdecl boost::filesystem::path::codecvt(void)" (__imp_?codecvt@path@filesystem@boost@@SAABV?$codecvt@_WDH@std@@XZ) referenced in function "public: __thiscall boost::filesystem::path::path<char const [20]>(char const (&)[20],void *)" (??$?0$$BY0BE@$$CBD@path@filesystem@boost@@QAE@AAY0BE@$$CBDPAX@Z)
1>main.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) void __cdecl boost::filesystem::path_traits::convert(char const *,char const *,class std::basic_string<wchar_t,struct std::char_traits<wchar_t>,class std::allocator<wchar_t> > &,class std::codecvt<wchar_t,char,int> const &)" (__imp_?convert@path_traits@filesystem@boost@@YAXPBD0AAV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@ABV?$codecvt@_WDH@5@@Z) referenced in function "void __cdecl boost::filesystem::path_traits::dispatch<class std::basic_string<wchar_t,struct std::char_traits<wchar_t>,class std::allocator<wchar_t> > >(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,class std::basic_string<wchar_t,struct std::char_traits<wchar_t>,class std::allocator<wchar_t> > &,class std::codecvt<wchar_t,char,int> const &)" (??$dispatch@V?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@@path_traits@filesystem@boost@@YAXABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@4@ABV?$codecvt@_WDH@4@@Z)
1>main.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) class boost::system::error_category const & __cdecl boost::system::generic_category(void)" (__imp_?generic_category@system@boost@@YAABVerror_category@12@XZ) referenced in function "void __cdecl boost::system::`dynamic initializer for 'posix_category''(void)" (??__Eposix_category@system@boost@@YAXXZ)
1>main.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) class boost::system::error_category const & __cdecl boost::system::system_category(void)" (__imp_?system_category@system@boost@@YAABVerror_category@12@XZ) referenced in function "void __cdecl boost::system::`dynamic initializer for 'native_ecat''(void)" (??__Enative_ecat@system@boost@@YAXXZ)

我不auto-link.hpp应该照顾我的链接吗？我并没有特别要求将任何内容链接到项目,因为自动链接器似乎正确识别所有内容.那我怎么会错过这些东西呢？此外,它们被声明为dllimport,所以链接器不应该单独留下它们并期望它们在运行时被发现？

谢谢!

更新:我决定深入研究第二个链接器错误.它基本上说它找不到path类的析构函数.运行后dumpbin在filesystem图书馆,我注意到,这条线是在文件中:

??1path@filesystem@boost@@QEAA@XZ (public: __cdecl boost::filesystem::path::~path(void))

但这显然与链接器正在寻找的不匹配,这是:

"__declspec(dllimport) public: __thiscall boost::filesystem::path::~path(void)" (__imp_??1path@filesystem@boost@@QAE@XZ)

请注意链接器正在寻找DLL导入版本,但是库本身似乎没有提供一个...不知道从哪里开始,但它似乎是重要的信息!

Answer 1

对我来说,这是因为"将wchar_t视为内置类型"选项设置为false,因此wchar_t编译为unsigned short.