theora - Apr 2008 - C++ Linker Warnings

Hi,

 

I have been trying to link to theora static libs I built with VC++ 2005 from
libtheora-1.0beta2 and libogg-1.1.3. I get a couple of link warnings, the
most significant is:

 

LINK : warning LNK4098: defaultlib 'libcmt.lib' conflicts with use of
other
libs; use /NODEFAULTLIB:library

 

I read up about libcmt.lib and found it is a statically linked library that
supports multithreaded programs. It is linked to by default for
multithreaded (MT[d]). I am actually using Multithreaded DLL (MD[d]) but by
including <stream> in my program the libcmt.lib is automatically linked
to.
I also read that you cannot mix calls to the old iostream library and new
C++ Library. 

 

So I assume theora uses old iostream library, is that correct? 

 

Has anyone else had this problem?

 

Is there a solution? Note I am using a proprietary game engine, and am not
in a position to change it to use old style iostream. 

 


Thanks.

 

 Lee

 


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Lee Wilson ha scritto:
>
>
> I have been trying to link to theora static libs I built with VC++ 
> 2005 from libtheora-1.0beta2 and libogg-1.1.3. I get a couple of link 
> warnings, the most significant is:
>
>  
>
> LINK : warning LNK4098: defaultlib 'libcmt.lib' conflicts with use
of
> other libs; use /NODEFAULTLIB:library
>
Just open libtheora project and change the c library option from libcmt 
to msvcrt; this can be done from menu project > properties > 
configuration properties > C/C++ > code generation > runtime library.

Then build the libtheora project again and link your program to the 
result libraries.

Regards.
Marco Era


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