IID mess

Damjan Jovanovic damjan.jov at gmail.com
Fri May 3 07:01:34 CDT 2013


Check that you are only doing ONE of the following:
1. Use "-luuid", which you are using
2. #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 <djelinski1 at gmail.com>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 <djelinski1 at gmail.com>
>
>> 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={56a868ac-0ad4-11ce-b03a-0020af0ba770}
>> 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={03741d21-87eb-11ce-8081-0080c758527e}
>> 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
>>
>
>
>
>
>
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