Unresolved external symbol
- by kriau
I have two WIN32 DLL projects in the solution, main.dll should call a function in mgn.dll.
mgn.dll has mgn.h header file:
#ifdef MGN_EXPORTS
#define MGN_API __declspec(dllexport)
#else
#define MGN_API __declspec(dllimport)
#endif
extern "C" bool MGN_API AttachMGN(void);
and mgn.cpp source file:
#include "stdafx.h"
#include "mgn.h"
MGN_API bool AttachMGN(void)
{
...
}
main.dll calls AttachMGN function from one of the source file:
#include "stdafx.h"
#include "..\mgn\mgn.h"
bool CreateClient()
{
return ::AttachMGN();
}
mgn.dll compiles successfully. main.dll doesn't show any errors in VS text editor, I can navigate using "Go To Definition" function. However during build I get the error:
error LNK2019: unresolved external symbol _imp_AttachMGN referenced in function "bool __cdecl CreateClient(void)" (?CreateClient@@AW4XZ)
Both DLLs compile into the same folder. DependencyWalker shows the function AttachMGN as exported. Main project has a dependency set to Mgn project, if that matters.
I believe that I simply have overlooked something....
Thanks in advance.
