Re: [Mingw-users] MingW linker warning about auto-importing

[Martin M. <vi...@gm...>]

On Mon, Sep 27, 2010 at 4:10 PM, Edward Diener <eld...@tr...>wrote:

> My experience with __declspec(dllimport) with VC++ is that a header file
> automatically dllimports whatever is necessary when using a dll. Thta is
> why I am not used to doing it manually.
>

I am not sure I understand correctly what you were meaning, but all that the
__declspec(dllimport) does in VC++ is that it adds external symbol
"__imp__<decorated name>" to resulting object file. Nothing more. You still
have to specify .lib file which defines this symbol to linker command line
(manually, or using #pragma comment(lib, "file"), or even #pragma
comment(linker, "file.lib")  )

In similar manner __declspec(dllexport) adds "/export:<name>" to object
file's linkinfo (string which is appended to command line by linker).
#pragma comment(lib, "file") adds "file.lib" to linker's command line,
#pragma comment(linker, "string") adds whatever string you pass it (despite
what MSDN claims), etc.