Re: moving a AFX DLL from VS 2003 to either 2005 or 2008 causes issue at loadlibrary

From:
Scot T Brennecke <ScotB@Spamhater.MVPs.org>
Newsgroups:
microsoft.public.vc.mfc
Date:
Wed, 10 Jun 2009 04:25:14 -0500
Message-ID:
<OWSWd1a6JHA.1564@TK2MSFTNGP06.phx.gbl>
Rick Ruhl wrote:

"Scot T Brennecke" <ScotB@Spamhater.MVPs.org> wrote in message
news:eoFXARA6JHA.2456@TK2MSFTNGP02.phx.gbl...

Rick Ruhl wrote:

"Scot T Brennecke" <ScotB@Spamhater.MVPs.org> wrote in message
news:4A2B60E3.6000802@Spamhater.MVPs.org...

Rick Ruhl wrote:

Have a stumper here.

I have a DLL that if compiled under Visual Studio 2003, it will load
fine with load library. With no code changes, moving it to VS 2005 or
VS 2008 causes a load error of 126 (the specified module cannot be
found).

The project files were changed by the wizard, and in all versions,
staticly linked to the MFC lib.

What needs to be changed, to make the same DLL work after changing the
compiler?

Rick

You say it is statically linked to MFC, but what about other
dependencies? Have you used Dependency Walker to see if it is depending
on something that is missing?

Scot,

Even though its told in the compiler options to link MFC staticly,
depends told me it needed mfc90.dll and msvcr90.dll. That is like
totally bizzar! Could the project file have gotten messed up on
conversion and not be linking MFC?

Is it a direct dependency of your DLL? If so, is it possible that you
have linked with some other static libraries that are dependent on the MFC
and CRT DLLs? Do you link any third-part libraries for which you don't
have the source? I have definitely seen this happen before, so it's not
quite as bizarre as it seems.


Nope, no 3rd party librarys at all. Like I said, we were able to compile
and run it fine with VS 2003.. just going to 2005 conversion without any
source or lib changes.

here's the command lines
C++:
  /Od /I "..\HHMode" /D "WIN32" /D "_WINDOWS" /D "_DEBUG" /D "_AFXEXT" /D
"_AFXDLL" /D "_VC80_UPGRADE=0x0710" /D "_WINDLL" /D "_MBCS" /FD /EHsc /RTC1
/MDd /Yu"stdafx.h" /Fp"Debug\HH_CW.pch" /Fo"Debug\\" /Fd"Debug\vc80.pdb" /W3
/nologo /c /Wp64 /ZI /TP /errorReport:prompt

linker:

/OUT:"Debug/HH_CW.dll" /INCREMENTAL /NOLOGO /LIBPATH:"../HHMode/Debug" /DLL
/MANIFEST /MANIFESTFILE:"Debug\HH_CW.dll.intermediate.manifest"
/DEF:".\HH_CW.def" /DELAYLOAD:"OleAcc.dll" /DEBUG
/PDB:"c:\dxterm\hh_cw\Debug\HH_CW.pdb" /SUBSYSTEM:WINDOWS
/IMPLIB:"Debug/HH_CW.lib" /MACHINE:X86 /ERRORREPORT:PROMPT DelayImp.lib


Let's have a gander inside that HH_CW.dll.intermediate.manifest to see
what dependencies it may be mentioning.
When depends tells you about the dependencies on mfc90 and msvcr90, what
functions does it list as being used from those DLLs, that's also quite
often a clue about where it originated.

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