Hi all, I'm trying to build the tut2 example in boost version 1.44 using qt's build system (.pro) file. I get the following error when I run nmake after qmake: Microsoft (R) Program Maintenance Utility Version 9.00.21022.08 Copyright (C) Microsoft Corporation. All rights reserved. e:\terratec\projects\common\Qt\4.6.3\bin\qmake.exe -win32 -o Makefile fr edag.pro e:\terratec\projects\common\MicrosoftVisualStudio9.0\VC\BIN\nmake.exe -f Makefile.Debug Microsoft (R) Program Maintenance Utility Version 9.00.21022.08 Copyright (C) Microsoft Corporation. All rights reserved. link /LIBPATH:"e:\terratec\projects\common\Qt\4.6.3\lib" /NOLOGO /DEBUG /SUBSYSTEM:CONSOLE /MANIFEST /MANIFESTFILE:"debug\fredag.intermediate.manifest" /OUT:debug\fredag.exe @C:\DOCUME~1\builder\LOCALS~1\Temp\nmEB2.tmp fredag.obj : error LNK2019: unresolved external symbol "private: static class st d::codecvt<unsigned short,char,int> const * & __cdecl boost::filesystem3::path:: wchar_t_codecvt_facet(void)" (?wchar_t_codecvt_facet@path@filesystem3@boost@@CAA APBV?$codecvt@GDH@std@@XZ) referenced in function "public: static class std::cod ecvt<unsigned short,char,int> const & __cdecl boost::filesystem3::path::codecvt( void)" (?codecvt@path@filesystem3@boost@@SAABV?$codecvt@GDH@std@@XZ) fredag.obj : error LNK2019: unresolved external symbol "void __cdecl boost::file system3::path_traits::convert(unsigned short const *,unsigned short const *,clas s std::basic_string<char,struct std::char_traits<char>,class std::allocator<char
&,class std::codecvt<unsigned short,char,int> const &)" (?convert@path_trait s@filesystem3@boost@@YAXPBG0AAV?$basic_string@DU?$char_traits@D@std@@V?$allocato
const __thiscall boost::filesystem3::path::string(class std::codecvt<unsigned short,c har,int> const &)const " (?string@path@filesystem3@boost@@QBE?BV?$basic_string@D U?$char_traits@D@std@@V?$allocator@D@2@@std@@ABV?$codecvt@GDH@5@@Z) fredag.obj : error LNK2019: unresolved external symbol "void __cdecl boost::file system3::path_traits::convert(char const *,char const *,class std::basic_string< unsigned short,struct std::char_traits<unsigned short>,class std::allocator<unsi gned short> > &,class std::codecvt<unsigned short,char,int> const &)" (?convert@
r@D@2@@std@@ABV?$codecvt@GDH@5@@Z) referenced in function "public: class std::ba sic_string<char,struct std::char_traits<char>,class std::allocator<char> path_traits@filesystem3@boost@@YAXPBD0AAV?$basic_string@GU?$char_traits@G@std@@V ?$allocator@G@2@@std@@ABV?$codecvt@GDH@5@@Z) referenced in function "void __cdec l boost::filesystem3::path_traits::convert(char const *,class std::basic_string< unsigned short,struct std::char_traits<unsigned short>,class std::allocator<unsi gned short> > &,class std::codecvt<unsigned short,char,int> const &)" (?convert@ path_traits@filesystem3@boost@@YAXPBDAAV?$basic_string@GU?$char_traits@G@std@@V? $allocator@G@2@@std@@ABV?$codecvt@GDH@5@@Z) debug\fredag.exe : fatal error LNK1120: 3 unresolved externals NMAKE : fatal error U1077: 'e:\terratec\projects\common\MicrosoftVisualStudio9.0 \VC\BIN\link.EXE' : return code '0x460' Stop. NMAKE : fatal error U1077: 'e:\terratec\projects\common\MicrosoftVisualStudio9.0 \VC\BIN\nmake.exe' : return code '0x2' Stop. It builds fine on Linux and Mac. I appreciate all hints. BR. Eirik