No supported compiler was found.

Upon trying to compile a file using mex, I receive the following error message:
Error using mex
No supported compiler was found.
I installed Visual Studio 2017 with support for C++ and actually
mex -setup C++
lets me choose my compiler.
Which additional diagnostics could I run in order to pin down the problem?

6 个评论

Perhaps you need to mex -setup C
I finally realized that Visual Studio comes without an installed compiler.
After installing Visual Studio, it is necessary to install a compiler in addition.
Therefore, this is not really a MATLAB problem, but as mentioned below, running
mex -v -setup
proved to be very helpful in pinning down the problem.
Visual Studio installs one compiler by default but not another one by default. Unfortunately at the moment I do not recall which is the default. It can sometimes be necessary to go back and ask visual studio to install more components.
I finally realized that Visual Studio comes without an installed compiler.
And now I am facing this same problem. How does one add a compiler to Visual Studio and configure things so that Matlab can see it?
You would run
mex -setup C++
This lists a couple of options in case it finds a suitable compiler like the following:
mex -setup:'C:\Program Files\MATLAB\R2020b\bin\win64\mexopts\msvcpp2015.xml' C++
By the way, Visual Studio does not install the C compiler by default.

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 采纳的回答

If you just run
>> mex -setup
it should present you with the compilers that Matlab can actually see. That should provide a clue.

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