Could anyone know how to use Xcode 5.0 as my C or C++ compiler in MATLAB 2012b or later?

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dai
dai 2013-9-30
编辑： Daniel 2013-11-6
MAC OS X 10.8.5
Xcode 5.0 (command line tools have installed)
Matlab 2012b
>> mex -setup
Options files control which compiler to use, the compiler and link command
options, and the runtime libraries to link against.
Using the 'mex -setup' command selects an options file that is
placed in /Users/Yydai168/.matlab/R2012b and used by default for 'mex'. An options
file in the current working directory or specified on the command line
overrides the default options file in /Users/Yydai168/.matlab/R2012b.
To override the default options file, use the 'mex -f' command
(see 'mex -help' for more information).
The options files available for mex are:
1: /Applications/MATLAB_R2012b.app/bin/mexopts.sh :
Template Options file for building gcc MEX-files
0: Exit with no changes
Enter the number of the compiler (0-1): 1
Overwrite /Users/Yydai168/.matlab/R2012b/mexopts.sh ([y]/n)? y
/Applications/MATLAB_R2012b.app/bin/mexopts.sh is being copied to /Users/Yydai168/.matlab/R2012b/mexopts.sh
The ERROR:
>> mex test.c /Applications/MATLAB_R2012b.app/bin/mex: line 305: llvm-gcc-4.2: command not found /Applications/MATLAB_R2012b.app/bin/mex: line 1326: llvm-gcc-4.2: command not found
mex: compile of ' "test.c"' failed.
Error using mex (line 206) Unable to complete successfully.

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回答（3 个）

Tschantz
Tschantz 2013-10-2
I have the same problem here. Matlab 2013a and Xcode 5.0
  1 个评论
dai
dai 2013-10-3
I have solved it.
update matlab 2013a from matlab 2012b
install ”command line tools“ of xcode5.0
and replace ”10.7“ with ”10.8“ in /Applications/MATLAB_R2013a.app/bin/mexopts.sh
Good luck.

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Ken Atwell
Ken Atwell 2013-10-4
Dai got it right, replace "10.7" with "10.8" in mexopts.sh. Here is the MathWorks for this:
http://www.mathworks.com/support/solutions/en/data/1-OAMYBZ/
Giorgos
Giorgos 2013-10-14
I have the same problem with Xcode 5.0 and MATLAB 2012b
I know that there is a solution for 2013a and 2013b:
http://www.mathworks.de/support/solutions/en/data/1-OAMYBZ/
but I need one for 2012b...!
Even this could not help me:
http://www.mathworks.de/support/solutions/en/data/1-FR6LXJ/
I always get:
/Applications/MATLAB_R2011b.app/bin/mex: line 305: llvm-gcc-4.2: command not found
  3 个评论
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Jorik
Jorik 2013-10-26
编辑：Jorik 2013-10-26
That error seems to indicate you did not install the command-line tools.
Did you install them as indicated by the solution page 1-FR6LXJ you refer to? It is listed under "*** Before applying the patch *" Step 2.
It seems that with Xcode 5 you can download the command-line tools from: https://developer.apple.com/downloads/index.action#
Daniel
Daniel 2013-11-6
编辑：Daniel 2013-11-6
I am having the same problems... is it possible there are some compatibility problems with the new mac os x 10.9 (mavericks)?
  • I am runnin MATLAB 2012b with Xcode 5.0 (on os 10.9)
  • I have command-line tools installed on Xcode 5.0
  • I've tried installing the patch
  • !xcodebuild -version identifies the correct version of Xcode
  • I have run mex -setup
I still receive the error
Making simulation target "bearing_sfun", ...
/Applications/MATLAB_R2012b.app/bin/mex -c -O -DMATLAB_MEX_FILE -I/Applications/MATLAB_R2012b.app/toolbox/stateflow/stateflow/../../../simulink/include -I/Applications/MATLAB_R2012b.app/toolbox/stateflow/stateflow/../../../extern/include -I/Applications/MATLAB_R2012b.app/stateflow/c/mex/include -I/Applications/MATLAB_R2012b.app/stateflow/c/debugger/include bearing_sfun.c /Applications/MATLAB_R2012b.app/bin/mex: line 305: llvm-gcc-4.2: command not found /Applications/MATLAB_R2012b.app/bin/mex: line 1326: llvm-gcc-4.2: command not found
mex: compile of ' "bearing_sfun.c"' failed.
gmake: * [bearing_sfun.o] Error 1
any ideas? This is becoming a serious time sync!
thanks in advance, dan
[edit] I found this post that solved the problem for my setup http://www.mathworks.com/matlabcentral/answers/103258-mex-on-mavericks-with-r2012b

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