How to select compiler if not available on the list provided by mex -setup ??

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Simon 2011-6-21

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Hi, i have just downloaded the matlab toolbox:

http://www.mathworks.com/matlabcentral/fileexchange/29115-gltreepro-nearest-neighbour-library/content/BuildGLTree3D.m

The mex function is asking me for a compiler. Microsoft Visual C++ express 2010 is already installed. I have followed the instructions of the Mex-setup function which is unable to locate this compiler. How can i compile the few .cpp file i need? Or how can find my compiler? Thanks

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Answer 1

Walter Roberson 2011-6-21

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https://ww2.mathworks.cn/matlabcentral/answers/9989-how-to-select-compiler-if-not-available-on-the-list-provided-by-mex-setup#answer_13757

Is your system 32 bit Windows or 64 bit?

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Simon 2011-6-21

>> ls BuildGLTree3DFEX.cpp

BuildGLTree3DFEX.cpp not found.

>> ls b**

boot.ini

Well, i don't understand something. do the .cpp files need to be in the bin folder of Matlab?, i have also tried to extract them somewhere else, and i have:

ls BuildGLTree3DFEX.cpp

BuildGLTree3DFEX.cpp

>> mex BuildGLTree3DFEX.cpp

BuildGLTree3DFEX.cpp

C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\INCLUDE\yvals.h(576) : error C2371: 'char16_t' : redefinition; different basic types

c:\program files\matlab\r2010a\extern\include\matrix.h(330) : see declaration of 'char16_t'

f:\phd\research\snownet data\glenncreek\scan shift\GLTree3DFEX.cpp(119) : warning C4244: '=' : conversion from 'double' to 'int', possible loss of data

f:\phd\research\snownet data\glenncreek\scan shift\GLTree3DFEX.cpp(120) : warning C4244: '=' : conversion from 'double' to 'int', possible loss of data

f:\phd\research\snownet data\glenncreek\scan shift\GLTree3DFEX.cpp(121) : warning C4244: '=' : conversion from 'double' to 'int', possible loss of data

f:\phd\research\snownet data\glenncreek\scan shift\GLTree3DFEX.cpp(141) : warning C4244: '=' : conversion from 'double' to 'int', possible loss of data

f:\phd\research\snownet data\glenncreek\scan shift\GLTree3DFEX.cpp(142) : warning C4244: '=' : conversion from 'double' to 'int', possible loss of data

f:\phd\research\snownet data\glenncreek\scan shift\GLTree3DFEX.cpp(143) : warning C4244: '=' : conversion from 'double' to 'int', possible loss of data

f:\phd\research\snownet data\glenncreek\scan shift\GLTree3DFEX.cpp(235) : warning C4244: '=' : conversion from 'double' to 'int', possible loss of data

f:\phd\research\snownet data\glenncreek\scan shift\GLTree3DFEX.cpp(255) : warning C4244: '=' : conversion from 'double' to 'int', possible loss of data

f:\phd\research\snownet data\glenncreek\scan shift\GLTree3DFEX.cpp(276) : warning C4244: '=' : conversion from 'double' to 'int', possible loss of data

BuildGLTree3DFEX.cpp(29) : warning C4267: '=' : conversion from 'size_t' to 'int', possible loss of data

BuildGLTree3DFEX.cpp(35) : warning C4267: '=' : conversion from 'size_t' to 'int', possible loss of data

C:\PROGRA~1\MATLAB\R2010A\BIN\MEX.PL: Error: Compile of 'BuildGLTree3DFEX.cpp' failed.

??? Error using ==> mex at 222

Unable to complete successfully.

Looks a little bit better...

Walter Roberson 2011-6-22

I would suggest doing it the way Venn suggests. Go in to yvals.h and find the line that has

#include <matrix.h>

and change it to

namespace mat {

#include <matrix.h>

}

Simon 2011-6-22

yvals.h does not have such line. I have posted a question for Venn, hopefully he will answer me.

Thanks a lot!

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Answer 2

Simon 2011-6-21

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https://ww2.mathworks.cn/matlabcentral/answers/9989-how-to-select-compiler-if-not-available-on-the-list-provided-by-mex-setup#answer_13758

it is a Windows 64bit with Matlab 2010a installed.

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