[semi OT] how to link a mingw32 Qt4 app to a msvc6 lib ?

[Christian Ehrlicher]

Thiago Macieira schrieb:

> Alexander Neundorf wrote:
> 
>>#ifdef _MSCVER
>>
>>#define FOO_CALL __stdcall
>>
>>#if defined FOO_EXPORTS
>>   #define FOO_DLL_SPEC __declspec(dllexport)
>>#else
>>   #define FOO_DLL_SPEC __declspec(dllimport)
>>#endif
>>
>>#else  // this was the gcc/linux path:
>>  #define FOO_CALL
>>  #define FOO_DLL_SPEC
>>#endif
>>
>>FOO_DLL_SPEC int FOO_CALL foo_init();
>>
>>Now I don't know how to define FOO_CALL and FOO_DLL_SPEC with mingw gcc.
>>The library is compiled with the settings as given here, i.e. with
>>__stdcall. Do I have to use them same with mingw gcc ? Does it use the
>>same keywords then ?
> 
> 
> Make the mingw codepath above be the same as the MS C codepath. I'm not 
> sure about __stdcall, though. If gcc chokes on it, remove. But I am sure 
> the declspec stuff works on gcc/win32.
When you have problems linking with the msvc import lib - gcc can link
against a dll without a need for an import lib.
When you want to use an import lib, you must create a new one for use
with gcc (http://mingw.org/MinGWiki/index.php/CreateImportLibraries).

Christian
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