mex -setup can't find compiler for MATLAB 2017b on macOS High Sierra 10.13.1 and Xcode 9.1 - MATLAB Answers

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https://www.mathworks.com/matlabcentral/answers/365830-mex-setup-can-t-find-compiler-for-matlab-2017b-on-macos-high-sierra-10-13-1-and-xcode-9-1

I'm trying to add C and C++ compiler for MATLAB 2017b on my mac but it gives error

      
        /bin/bash: sh: command not
       
        found

and

      
        Warning: Xcode appears
       
        to be installed
       
        , but
       
        it has not been configured.
       
        Run "osascript -e 'do shell script "xcode-select -switch /Applications/Xcode.app" with administrator privileges'" to configure Xcode.
       
        You must be an administrator of this computer to complete this action.

So, when I run osacript... it gives error

      
        /bin/bash: osascript: command not
       
        found
       
        ans =
       
        127

I already did

      
        sudo
       
        xcode-select -switch /Applications/Xcode.app/

and changed

      
        MACOSX_DEPLOYMENT_TARGET=
       
        "10.13"

which was 10.9 in clang_maci64.xml and clang++_maci64.xml files. Can anybody help me to solve this issue. Thank you.

https://www.mathworks.com/matlabcentral/answers/365830-mex-setup-can-t-find-compiler-for-matlab-2017b-on-macos-high-sierra-10-13-1-and-xcode-9-1#answer_290834

You have to add the paths in the

/App../MATLAB../bin/maci64/mexopts/clang++_maci64.xml /App../MATLAB../bin/maci64/mexopts/clang_maci64.xml

to the SDK10.13 inside your XCode. Then it will find the compiler. To check that this is the problem you can run mex -v -setup C++. If it can't find the SDK there you have to add it inside the xml file.

https://www.mathworks.com/matlabcentral/answers/365830-mex-setup-can-t-find-compiler-for-matlab-2017b-on-macos-high-sierra-10-13-1-and-xcode-9-1#comment_515460

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