與升壓QT鏈接錯誤iostreams的

Question

我試圖編譯使用msvc2010一個Qt 5.5的應用程序。然而每當我嘗試構建它時，我都會遇到幾個與boost :: iostreams有關的鏈接器錯誤。

packagehandler.obj:-1: error: LNK2019: unresolved external symbol "public: void __thiscall boost::iostreams::detail::gzip_header::reset(void)" (?reset@gzip_header@detail@iostreams@boost@@QAEXXZ) referenced in function "public: __thiscall boost::iostreams::detail::gzip_header::gzip_header(void)" (??0gzip_header@detail@iostreams@boost@@QAE@XZ) 
packagehandler.obj:-1: error: LNK2019: unresolved external symbol "public: void __thiscall boost::iostreams::detail::gzip_footer::reset(void)" (?reset@gzip_footer@detail@iostreams@boost@@QAEXXZ) referenced in function "public: __thiscall boost::iostreams::detail::gzip_footer::gzip_footer(void)" (??0gzip_footer@detail@iostreams@boost@@QAE@XZ) 
packagehandler.obj:-1: error: LNK2001: unresolved external symbol "int const boost::iostreams::zlib::default_compression" (?default_compression@zlib@iostreams@boost@@3HB) 
packagehandler.obj:-1: error: LNK2001: unresolved external symbol "int const boost::iostreams::zlib::deflated" (?deflated@zlib@iostreams@boost@@3HB) 
packagehandler.obj:-1: error: LNK2001: unresolved external symbol "int const boost::iostreams::zlib::default_strategy" (?default_strategy@zlib@iostreams@boost@@3HB) 
packagehandler.obj:-1: error: LNK2019: unresolved external symbol "protected: __thiscall boost::iostreams::detail::zlib_base::~zlib_base(void)" (??1zlib_base@detail@iostreams@boost@@IAE@XZ) referenced in function __unwindfunclet$??0?$zlib_decompressor_impl@V?$allocator@D@std@@@detail@iostreams@boost@@QAE@ABUzlib_params@23@@Z$0 
packagehandler.obj:-1: error: LNK2019: unresolved external symbol "protected: __thiscall boost::iostreams::detail::zlib_base::zlib_base(void)" (??0zlib_base@detail@iostreams@boost@@IAE@XZ) referenced in function "public: __thiscall boost::iostreams::detail::zlib_decompressor_impl<class std::allocator<char> >::zlib_decompressor_impl<class std::allocator<char> >(struct boost::iostreams::zlib_params const &)" (??0?$zlib_decompressor_impl@V?$allocator@D@std@@@detail@iostreams@boost@@QAE@ABUzlib_params@23@@Z) 
packagehandler.obj:-1: error: LNK2019: unresolved external symbol "protected: void __thiscall boost::iostreams::detail::zlib_base::reset(bool,bool)" (?reset@zlib_base@detail@iostreams@boost@@IAEX_N0@Z) referenced in function "public: __thiscall boost::iostreams::detail::zlib_decompressor_impl<class std::allocator<char> >::~zlib_decompressor_impl<class std::allocator<char> >(void)" (??1?$zlib_decompressor_impl@V?$allocator@D@std@@@detail@iostreams@boost@@QAE@XZ) 
packagehandler.obj:-1: error: LNK2019: unresolved external symbol "private: void __thiscall boost::iostreams::detail::zlib_base::do_init(struct boost::iostreams::zlib_params const &,bool,void * (__cdecl*)(void *,unsigned int,unsigned int),void (__cdecl*)(void *,void *),void *)" (?do_init@zlib_base@detail@iostreams@boost@@AAEXABUzlib_params@34@_NP6APAXPAXII@ZP6AX22@Z2@Z) referenced in function "protected: void __thiscall boost::iostreams::detail::zlib_base::init<class std::allocator<char> >(struct boost::iostreams::zlib_params const &,bool,struct boost::iostreams::detail::zlib_allocator<class std::allocator<char>,class std::allocator<char> > &)" (??$init@V?$allocator@D@std@@@zlib_base@detail@iostreams@boost@@IAEXABUzlib_params@23@_NAAU?$zlib_allocator@V?$allocator@D@std@@V12@@123@@Z) 
packagehandler.obj:-1: error: LNK2019: unresolved external symbol "public: void __thiscall boost::iostreams::detail::gzip_footer::process(char)" (?process@gzip_footer@detail@iostreams@boost@@QAEXD@Z) referenced in function __catch$??$read@V?$linked_streambuf@DU?$char_traits@D@std@@@detail@iostreams@boost@@@?$basic_gzip_decompressor@V?$allocator@D@std@@@iostreams@boost@@QAE_JAAV?$linked_streambuf@DU?$char_traits@D@std@@@detail@12@PAD_J@Z$0 
packagehandler.obj:-1: error: LNK2019: unresolved external symbol "public: void __thiscall boost::iostreams::detail::gzip_header::process(char)" (?process@gzip_header@detail@iostreams@boost@@QAEXD@Z) referenced in function "public: __int64 __thiscall boost::iostreams::basic_gzip_decompressor<class std::allocator<char> >::read<class boost::iostreams::detail::linked_streambuf<char,struct std::char_traits<char> > >(class boost::iostreams::detail::linked_streambuf<char,struct std::char_traits<char> > &,char *,__int64)" (??$read@V?$linked_streambuf@DU?$char_traits@D@std@@@detail@iostreams@boost@@@?$basic_gzip_decompressor@V?$allocator@D@std@@@iostreams@boost@@QAE_JAAV?$linked_streambuf@DU?$char_traits@D@std@@@detail@12@PAD_J@Z) 
packagehandler.obj:-1: error: LNK2001: unresolved external symbol "int const boost::iostreams::zlib::okay" (?okay@zlib@iostreams@boost@@3HB) 
packagehandler.obj:-1: error: LNK2001: unresolved external symbol "int const boost::iostreams::zlib::stream_end" (?stream_end@zlib@iostreams@boost@@3HB) 
packagehandler.obj:-1: error: LNK2019: unresolved external symbol "public: static void __cdecl boost::iostreams::zlib_error::check(int)" (?check@zlib_error@iostreams@boost@@SAXH@Z) referenced in function "public: bool __thiscall boost::iostreams::detail::zlib_decompressor_impl<class std::allocator<char> >::filter(char const * &,char const *,char * &,char *,bool)" (?filter@?$zlib_decompressor_impl@V?$allocator@D@std@@@detail@iostreams@boost@@QAE_NAAPBDPBDAAPADPAD_N@Z) 
packagehandler.obj:-1: error: LNK2019: unresolved external symbol "protected: void __thiscall boost::iostreams::detail::zlib_base::after(char const * &,char * &,bool)" (?after@zlib_base@detail@iostreams@boost@@IAEXAAPBDAAPAD_N@Z) referenced in function "public: bool __thiscall boost::iostreams::detail::zlib_decompressor_impl<class std::allocator<char> >::filter(char const * &,char const *,char * &,char *,bool)" (?filter@?$zlib_decompressor_impl@V?$allocator@D@std@@@detail@iostreams@boost@@QAE_NAAPBDPBDAAPADPAD_N@Z) 
packagehandler.obj:-1: error: LNK2019: unresolved external symbol "protected: int __thiscall boost::iostreams::detail::zlib_base::xinflate(int)" (?xinflate@zlib_base@detail@iostreams@boost@@IAEHH@Z) referenced in function "public: bool __thiscall boost::iostreams::detail::zlib_decompressor_impl<class std::allocator<char> >::filter(char const * &,char const *,char * &,char *,bool)" (?filter@?$zlib_decompressor_impl@V?$allocator@D@std@@@detail@iostreams@boost@@QAE_NAAPBDPBDAAPADPAD_N@Z) 
packagehandler.obj:-1: error: LNK2001: unresolved external symbol "int const boost::iostreams::zlib::sync_flush" (?sync_flush@zlib@iostreams@boost@@3HB) 
packagehandler.obj:-1: error: LNK2019: unresolved external symbol "protected: void __thiscall boost::iostreams::detail::zlib_base::before(char const * &,char const *,char * &,char *)" (?before@zlib_base@detail@iostreams@boost@@IAEXAAPBDPBDAAPADPAD@Z) referenced in function "public: bool __thiscall boost::iostreams::detail::zlib_decompressor_impl<class std::allocator<char> >::filter(char const * &,char const *,char * &,char *,bool)" (?filter@?$zlib_decompressor_impl@V?$allocator@D@std@@@detail@iostreams@boost@@QAE_NAAPBDPBDAAPADPAD_N@Z) 
debug\EmbeddedBoardTestScriptUtility.exe:-1: error: LNK1120: 18 unresolved externals 

Answer 1

您應該檢查是否libboost_iostreams的.lib庫是在你的Boost庫目錄可用，如果如果在連接連接器項目設置目錄和鏈接庫的正確鏈接。

如果你編譯升壓和對升壓編譯懷疑（它可以排除一些項目的許多選項進行編譯），你可以使用預編譯的二進制可在SourceForge上[1]。

[1] https://sourceforge.net/projects/boost/files/boost-binaries/1.60.0/