Force C-code recompile in Simulink

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Thomas 2017-1-14

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https://ww2.mathworks.cn/matlabcentral/answers/320420-force-c-code-recompile-in-simulink

回答： Thomas 2017-1-15

Hi Guys,

I've been able to create a Simulink model, which utilizes some C++ code that I have created; code that will generate sine/cosine from input radians. Within the code, I have a #define which will vary how accurate the generated sine/cosine output is. Currently, if I run the model, it works as expected, if I then change the value of this #define, Simulink doesn't then re-compile the updated code. The only way that I have found which forces this re-compile, is if I go into the "Configuration parameters" and delete the include files within "Simulation Target\Header file", apply, and then run the model. Which will then result in the use of the new #define value.

Is there any setting, that I am missing, which will force a re-compile of the C-code when I run the model?

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Thomas 2017-1-15

编辑：Thomas 2017-1-15

Have had a major play on this issue, and believe that I have found a way around this. I've created a function which will look within the working directory for a '.mexw64' file, and delete it (as this contains the compiled code). This as been configured such that it runs at initialisation of my model and voila, everytime that I change my C++ code and then run my model it retrieved the latest version! Note entirely sure if this is the correct way to fix this problem, but it appears to be working

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