Re: [iiwusynth-devel] iiwusynth static lib on Windows

[Peter Hanappe]

Hi Stephane,

I don't have much experience making static libraries on Windows so
I can only guess. Are you sure the driver and the library use the
same malloc function? In particular, are they both compiled with the
same debug/optimization flags? Also, check that it is linked with the
same runtime library. In particular, verify that the both use the
multi-threaded or single-threaded one.I can't think of anything else
right now. Is it possible to step thru the code with a debugger?

Ahhh, yes! Because of the bad design of DirectSound, iiwusynth needs
a handle to the application or DLL instance (a HINSTANCE) to open
DirectSound. As a DLL, it obtains the handle in the DllMain function
in iiwu_dll.c. When you link to it as a static library, you will
have to set the hinstance variable explicitely before creating the
synthesizer. The function to call is iiwu_set_hinstance and is defined
in iiwu_dll.c.

Hope this helps.

(BTW, why not keep it as a DLL?)

Best,
Peter

Stephane Letz wrote:
> Hi,
>
> I'm trying to compile iiwusynth as a static libary on Windows. This 
> library is later used in a MidiShare driver.
> I have some crash problems : allocation a new iiwusynth crash 
> immediatly, seems in a malloc call.
> It there any specific compiler options to be used when compiling the 
> library? or any other issue to be considered?
>
> Thanks
>
>
> Stephane Letz
>
>
> Grame: Centre National de creation musicale
> 9, Rue du Garet
> 69001 Lyon
> Tel: 04-72-07-37-00
> Fax: 04-72-07-37-01
> Web: www.grame.fr
>
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