Error: Unable to determine MEX compiler: use mex -setup to configure your system.

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Shruthi Sampathkumar
Shruthi Sampathkumar on 9 Feb 2016
Answered: Walter Roberson on 9 Feb 2016
My project requires Verilog coding for FPGA implementation. I use Macbook, for my Matlab2015b. And whenever I try running Fixed-Point conversion in HDL workflow advisor, I get the following error: "Unable to determine MEX compiler: use mex -setup to configure your system." How should I resolve the issue?

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Accepted Answer

Walter Roberson
Walter Roberson on 9 Feb 2016
Install XCode 7 or later on your Yosemite or El Capitan operating system. Then follow the instructions at http://uk.mathworks.com/matlabcentral/answers/243868-mex-can-t-find-compiler-after-xcode-7-update-r2015b#answer_192936 to configure MATLAB to be able to recognize the XCode compiler.

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