Re: Apply ATL support to MFC application VC6

From:
"Alex Blekhman" <xfkt@oohay.moc>
Newsgroups:
microsoft.public.vc.language
Date:
Mon, 30 Apr 2007 19:28:25 +0300
Message-ID:
<es0FVS0iHHA.1244@TK2MSFTNGP04.phx.gbl>
"ColinG" wrote:

Hi,

I have a test VC6 MFC application in an attempt to apply
ATL support. I found the following link which I have
implemented:

http://support.microsoft.com/default.aspx?scid=kb;EN-US;q175190

However, when I compiled the app, I received a error about
xmldom.idl not found. I searched the internet for a
solution and found a posting about installing Internet
Development SDK. I have core SDK but not the Internet
Development SDK. I do not have the CD at hand. I attempted
to install Internet Development SDK from the internet
which did not work. So, I copied the xmldom.idl from
C:\Program Files\Microsoft Visual Studio
8\VC\PlatformSDK\Include. I am aware that this relates to
VS 2005 and not VC6. But after copying this file and other
required idl files from the same area, the VC6 MFC
application compiled with no errors. But I have linking
errors:

Linking...
TestMFC.obj : error LNK2005: _LIBID_TestMFCLib already
defined in MainFrm.obj
TestMFCDoc.obj : error LNK2005: _LIBID_TestMFCLib already
defined in MainFrm.obj
TestMFCView.obj : error LNK2005: _LIBID_TestMFCLib already
defined in MainFrm.obj
LINK : warning LNK4098: defaultlib "MSVCRT" conflicts with
use of other libs; use /NODEFAULTLIB:library
Debug/TestMFC.exe : fatal error LNK1169: one or more
multiply defined symbols found
Error executing link.exe.

Any assistance would be appreciated.


It seems that your CComModule-based class tries to make
several instances. Where the _LIBID_TestMFCLib definition is
placed?

Alex

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