VC8 lib linked with VC6 project

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MikeD - 09 Nov 2005 19:46 GMT

I have a library that I'm creating with VS2005 but I need to be able t
link it with a VS6 project. I am getting some linker errors, mostl
surrounding _ftol2_sse and CxxFrameHandler3. I've tried includin
different runtime libraries inside my library but nothing has helped.
The closest I've gotten to success is including libcpmtd but then I ge
some corrupt debug information error.

Am I trying to do the impossible? Can I create a lib in VC8 and lin
it with a VC6 project?

Thanks,

Mike

--
Mike

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David Lowndes - 09 Nov 2005 20:53 GMT

>I have a library that I'm creating with VS2005 but I need to be able to
>link it with a VS6 project. I am getting some linker errors, mostly
[quoted text clipped - 4 lines]
>
>Am I trying to do the impossible?

Not impossible Mike, but to do it you'd have so many restrictions
(eliminate most references to the 'C' run-time library) as to make it
almost worthless.

>Can I create a lib in VC8 and link it with a VC6 project?

You could create a DLL and use it from VC6 providing that the
interface doesn't pass heap allocated objects across the boundary.
i.e. stick to plain old data types and it'll work.

Dave

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MikeD - 09 Nov 2005 21:15 GMT

Thanks David. I'm wondering how to get rid of the few references to th
CRT that exist. It seems to only be the two I listed: _ftol2_sse an
CxxFrameHandler3. I'm willing to bet if I get rid of exceptio
handling that the CxxFrameHandler3 problem will go away but I have n
idea how to get rid of the _ftol2_sse reference. I'm not using i
directly, it is being referenced by the compiler since my C++ clas
does do some floats to longs. I guess I'm wondering if there's a wa
to pull in _ftol2_sse from somewhere and include it in the lib or i
there a way to get the compiler to stop referencing it and eithe
inline or use something else?

Any ideas?

BTW, a DLL isn't a valid option for this particular lib. It is used i
almost every project we write

--
Mike

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VC8 lib linked with VC6 project

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