MATLAB 2021a produces a compilation error on older MATLAB code.

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Prashanth Kasbekar 2023-1-24

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https://ww2.mathworks.cn/matlabcentral/answers/1899850-matlab-2021a-produces-a-compilation-error-on-older-matlab-code

评论： Image Analyst 2023-1-27

I have a MATLAB application written in MATLAB 2019a which I can compile into a .exe. I wish to port the code to 2021a. The application can be opened and closed without issues. But when I try to compile the code using mcc for 2021a, I get the following error message which I don't get when using 2019a.

Compiler version: 8.2 (R2021a)
Analyzing file dependencies.  
Error while determining required deployable files. Compilation terminated. Details:
Unable to resolve the name dependencies.internal.graph.Node.createFileNode. 

How do I debug this ?

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Answer 1

Image Analyst 2023-1-24

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https://ww2.mathworks.cn/matlabcentral/answers/1899850-matlab-2021a-produces-a-compilation-error-on-older-matlab-code#answer_1155390

DisplayRequiredFunctions.m

I don't know. Maybe you're missing a file. How many dependent files are there? Do you want to see if I can compile it? If not, then call tech support. Or call the attached function in your startup code.

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Prashanth Kasbekar 2023-1-27

I tried to find what is dependencies.internal.graph.Node.createFileNode.

On 2019a, it is a static function inside the package dependencies.internal.graph.Node. This function doesn't exist in 2021a.

So the problem is that this MATLAB package has changed. But I cannot find out what is this package for, where and how this package is used in my code. Is there a way to find out?