modern MATLAB ubuntu/linux compiler support

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MCFurry
MCFurry 2020-9-1
评论： Anakin Zheng 2020-9-3
For a long time we've been using MATLAB R2016a on ubuntu 16.04 at University of Technology Eindhoven happily for several robotics projects.
The time is now there to upgrade both ubuntu and MATLAB versions to modern ones, but here we struggle with MATLAB's linux compiler support.
For MATLAB R2019b, R2020a (and R2020b), the supported gcc compiler seems to be 6.3.x (https://www.mathworks.com/support/requirements/supported-compilers.html)
However, ubuntu 18.04 and 19.10 ship with gcc 7.4 by default and via apt only gcc 6.5 can be installed.
On ubuntu 20.04 (our preferred version for upgrading) gcc 9.3 is installed by default and no version lower than 7 is installable via apt.
(building gcc from source would not be preferred)
Why is MATLAB supporting solely such ancient gcc versions? And why is ubuntu still considered a supported OS for modern MATLAB versions while the default compilers shipped with them are not supported?
What would be the best suggestion for a modern MATLAB, ubuntu and gcc package?
  2 个评论
Rik
Rik 2020-9-1
If you want an answer from Mathworks you should probably contact the support directly. If you're with the TuE IT staff you may have a direct contact (the Benelux sales manager perhaps?).
I suspect the best solution you will be getting here is a guide on how to install gcc 6.3.x on 20.04.
MCFurry
MCFurry 2020-9-1
I guess you're right and I'll probably file a service request in a couple of days also. But I reckon more people would find the answer helpful so I'm hoping a Mathworks employee will respond here as well.

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Anakin Zheng
Anakin Zheng 2020-9-3
gcc 9 should work fine. There is no abi breakage change between 6 and 9.
At least for MATLAB Coder, we don't enforce gcc version to match the one listed on compiler support page.
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MCFurry
MCFurry 2020-9-3
Okay, thanks for that!
Can you also say something about simulink coder?

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