libraries

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Natalia
Natalia 2011-4-5
Hello! I continue to suffer with the included files and libraries. I can't understand, why there is a following error:
>> mex -IC:\OgreSDK\samples\include -IC:\OgreSDK\include -LC:\OgreSDK\lib OgreAppSource.cpp -l OgreMain_d.lib -l OIS_d.lib
Warning: MEX could not find the library "" specified with -l option.
MEX looked for a file with one of the names:
.lib
lib.lib
MEX looked for the library in the following directories:
C:\Program Files\Microsoft Visual Studio 9.0\VC\ATLMFC\LIB
C:\Program Files\Microsoft Visual Studio 9.0\VC\LIB
C:\Program Files\\Microsoft SDKs\Windows\v6.0A\lib
C:\Program Files\Microsoft Visual Studio 9.0\SDK\v2.0\lib
C:\Program Files\MATLAB\R2010b\extern\lib\win32
C:\Program Files\SQLXML 4.0\bin\
C:\Program Files\MATLAB\R2010b\extern\lib\win32\microsoft
C:\OgreSDK\lib
Warning: MEX could not find the library "" specified with -l option.
MEX looked for a file with one of the names:
.lib
lib.lib
MEX looked for the library in the following directories:
C:\Program Files\Microsoft Visual Studio 9.0\VC\ATLMFC\LIB
C:\Program Files\Microsoft Visual Studio 9.0\VC\LIB
C:\Program Files\\Microsoft SDKs\Windows\v6.0A\lib
C:\Program Files\Microsoft Visual Studio 9.0\SDK\v2.0\lib
C:\Program Files\MATLAB\R2010b\extern\lib\win32
C:\Program Files\SQLXML 4.0\bin\
C:\Program Files\MATLAB\R2010b\extern\lib\win32\microsoft
C:\OgreSDK\lib
LINK : fatal error LNK1181: cannot open input file 'OgreMain_d.lib'
C:\PROGRA~1\MATLAB\R2010B\BIN\MEX.PL: Error: Link of 'OgreAppSource.mexw32' failed.
??? Error using ==> mex at 208
Unable to complete successfully.
I will be grateful for any help.

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采纳的回答

Kaustubha Govind
Kaustubha Govind 2011-4-5
I'm sorry, I think I made a mistake in my answer to your previous question - there should be no blankspace between -l and your library name. Also, you don't need to add the .lib extension since MEX does that automatically for you. Try:
>> mex -IC:\OgreSDK\samples\include -IC:\OgreSDK\include -LC:\OgreSDK\lib OgreAppSource.cpp -lOgreMain_d -lOIS_d
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Kaustubha Govind
Kaustubha Govind 2011-4-6
Okay, so it appears that OgreAppSource.cpp is not really a MEX-function (remember that a MEX-function has not main(), but a mexFunction()instead) - I am assuming that you build an executable from this file in Visual Studio, which is why it works. But MEX actually produces a DLL-like binary, and needs a different interface. You will need to modify your source code and create a MEX wrapper around it.
Natalia
Natalia 2011-4-6
Thank you, many, many :)

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更多回答（1 个）

Arnaud Miege
Arnaud Miege 2011-4-5
The error message seems to suggest that mex can't find the file OgreMain_d.lib. Are you sure this file is on your MATLAB path or in your current directory?
HTH,
Arnaud
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Arnaud Miege
Arnaud Miege 2011-4-5
OK, but from which directory are you running the mex command? Shouldn't you have:
>> mex -IC:\OgreSDK\samples\include -IC:\OgreSDK\include -LC:\OgreSDK\lib OgreAppSource.cpp -l C:\OgreSDK\lib\OgreMain_d.lib -l OIS_d.lib
HTH,
Arnaud
Natalia
Natalia 2011-4-6
Has changed nothing

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