Re: IID mess

[Daniel Jeliński]

Thanks, INITGUID was the piece I was missing.

2013/5/3 Damjan Jovanovic
> Check that you are only doing ONE of the following:
> - Use "-luuid", which you are using
> - #include <initguid.h> or #define INITGUID (which is what it does)
>
> before including the relevant COM headers
> Never both, or you'll get those multiple definitions.
>
> Damjan
>
> On Fri, May 3, 2013 at 11:31 AM, Daniel Jeliński wrote:
> > Additional info:
> > after my patches amstream fails to link complaining about duplicate
> > IID_IResourceManager:
> > ~/wine-git/dlls/amstream$ make
> > ../../tools/winegcc/winegcc -m32 -B../../tools/winebuild --sysroot=../..
> > -fasynchronous-unwind-tables -shared ./amstream.spec amstream.o audiodata.o
> > main.o mediastream.o mediastreamfilter.o     amstream_classes_r.res
> > version.res    -o amstream.dll.so  -lstrmiids -lstrmbase -luuid -lole32
> > -ladvapi32  ../../libs/port/libwine_port.a
> > ../../dlls/uuid/libuuid.a(uuid.o):(.rodata+0x540): multiple definition of
> > `IID_IResourceManager'
> > ../../dlls/strmiids/libstrmiids.a(strmiids.o):(.rodata+0x5e0): first
> > defined here
> > winebuild: /usr/bin/ld failed with status 1
> > winegcc: ../../tools/winebuild/winebuild failed
> >
> > if I don't add the DTC headers to uuid, linking xolehlp fails:
> > ~/wine-git/dlls/xolehlp$ make
> > ../../tools/winegcc/winegcc -m32 -B../../tools/winebuild --sysroot=../..
> > -fasynchronous-unwind-tables -shared ./xolehlp.spec xolehlp.o           -o
> > xolehlp.dll.so  -luuid
> > ../../libs/port/libwine_port.a
> >
> > xolehlp.o: In function `TransactionDispenser_QueryInterface':
> > /home/daniel/wine-git/dlls/xolehlp/xolehlp.c:170: undefined reference to
> > `IID_ITransactionDispenser'
> > /usr/bin/ld: xolehlp.o: relocation R_386_GOTOFF against undefined hidden
> > symbol `IID_ITransactionDispenser' can not be used when making a shared
> > object
> > /usr/bin/ld: final link failed: Bad value
> >
> > How do I know which dll should export these IIDs?
> >
> > 2013/5/2 Daniel Jeliński
> > > Hello,
> > > I just tried compiling all of Wine with my patch series applied and, to
> > > my surprise, compilation failed. The reason was that IID_IResourceManager
> > > was already declared elsewhere.
> > >
> > > Now, according to this page:
> > >
> > > http://mikolajapp.appspot.com/uuid/query?q=%7B56a868ac-0ad4-11ce-b03a-0020af...
> > > Wine's strmif.h declares IID_IResourceManager, while SDK declares
> > > __declspec(uuid) as IResourceManager.
> > > SDK declares IID_IResourceManager elsewhere:
> > >
> > > http://mikolajapp.appspot.com/uuid/query?q=%7B03741d21-87eb-11ce-8081-0080c7...
> > > I'm new to COM, so I'm not sure what exactly is the difference between
> > > IID and declspec(uuid). Could anyone explain or suggest a fix?
> > > Thanks,
> > > Daniel