Setup ROS custom messages, problems with compiling

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Dear all,
I am struggling with an issue for a while now and would be really thankful for some help. I am trying to implement my cumstomized ROS messages into Matlab. As I am trying to import the ROS messages I run the following code:
mex -setup cpp
folderpath = 'C:\Users\sampleuser\Documents\MATLAB\R2021b\custom_msgs\tristan_thesis_hil';
rosgenmsg('C:\Users\sampleuser\Documents\MATLAB\R2021b\custom_msgs')
Running this code gives me the following output:
Error using ros.internal.ROSProjectBuilder (line 419)
Current compiler MinGW64 Compiler (C++) is not supported for ROS build. To choose a compiler, run 'mex -setup cpp'.
Error in ros.internal.CatkinBuilder (line 25)
h@ros.internal.ROSProjectBuilder(varargin{:});
Error in rosgenmsg (line 287)
builder = ros.internal.CatkinBuilder(genDir, pkgInfos{iPkg});
Could anybody help me with this issue?
Thank you all!

Answers (1)

Cam Salzberger
Cam Salzberger on 3 Feb 2022
Edited: Cam Salzberger on 3 Feb 2022
Hello Tristan,
ROS custom message compilation requires Visual Studio 2017 or 2019. The MinGW C++ compiler will not work for creating the libraries necessary to use ROS. Run "mex -setup cpp" and use the prompts to select Visual Studio (once installed).
See here for general information on system requirements to use various ROS Toolbox functionality.
-Cam
  2 Comments
Cam Salzberger
Cam Salzberger on 7 Feb 2022
That post should be fine. There's nothing particular that ROS Toolbox needs out of Visual Studio beyond that which MATLAB already requires for codegen.
-Cam

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