[gst-devel] linking problem when compiling with msys/mingw

Vincent Torri vtorri at univ-evry.fr
Fri Aug 18 18:13:44 CEST 2006

Maybe the web pages:


can be of some help (i'm not a win32 expert too)

It seems that when we want to build a DLL, we should use 

any ideas of what should be used ?


On Fri, 18 Aug 2006, Alberto Botti wrote:

> Il giorno lun, 14/08/2006 alle 20.05 +1000, James "Doc" Livingston ha
> scritto:
>> On Tue, 2006-08-08 at 17:24 +0200, Vincent Torri wrote:
>>> Then, I have those undefined references:
>>>   undefined reference to `_imp__GST_CAT_CAPS'
>>> or
>>> undefined reference to `_imp__GST_CAT_REFCOUNTING'
>> I got a heap of those last time I tried building GStreamer on Windows,
>> and hadn't managed to solve it, although I haven't tried in a few weeks.
>> I think there was discussion about official Win32 packages a while ago,
>> but I'm not sure what happened there.
> As a workaround: in gst/gst_private.h, at line 55, change
> #define IMPORT_SYMBOL __declspec(dllimport)
> into
> I've got gstreamer-0.10.9 to build with this hack, and it seems to work,
> at least for the simple pipelines I've tried. I don't know exactly the
> reason for the build failure (I'm not a Win32 expert), but "__declspec"
> might not be needed for MinGW.
> Note: this change might break the Visual C++ build...
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