C++ Project compiles as static lib, fails (linker error) as dynamic lib. why??
- by Roey
Hi All.
I've a VS2008 native C++ project, that I wish to compile as a DLL.
It only references one external library (log4cplus.lib), and uses its functions.
(also uses log4cplus's .h files , naturally).
When I try to compile my project as a static library, it succeeeds.
When I try as DLL, it fails :
1>MessageWriter.obj : error LNK2019: unresolved external symbol "public: static class log4cplus::Logger __cdecl log4cplus::Logger::getInstance(class std::basic_string<wchar_t,struct std::char_traits<wchar_t>,class std::allocator<wchar_t> > const &)" (?getInstance@Logger@log4cplus@@SA?AV12@ABV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@@Z) referenced in function "class log4cplus::Logger __cdecl Log(void)" (?Log@@YA?AVLogger@log4cplus@@XZ)
There are 4 more errors just like this related to functions within log4cplus.lib.
It seems like something really stupid.. please help me :)
Thanks!
