Error while compiling generic COM component

Question

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Although I have the MinGW64 compiler installed (and I can successfully compile standalone executables and .NET assemblies), I cannot compile a "Generic COM component".

I get tho following error message:

Error: An error occurred while shelling out to mbuild (error code = -1).

Unable to build executable.

The PackagingLog shows the following entries for the MinGW compiler found:

... Looking for compiler 'MinGW64 Compiler (C++)' ...

... Looking for environment variable 'MW_MINGW64_LOC' ...Yes ('C:\ProgramData\MATLAB\SupportPackages\R2017b\3P.instrset\mingw_w64.instrset').

... Looking for file 'C:\ProgramData\MATLAB\SupportPackages\R2017b\3P.instrset\mingw_w64.instrset\bin\g++.exe' ...Yes.

... Looking for folder 'C:\ProgramData\MATLAB\SupportPackages\R2017b\3P.instrset\mingw_w64.instrset' ...Yes.

Found installed compiler 'MinGW64 Compiler (C++)'.

... Looking for compiler 'MinGW64 Compiler with Windows 10 SDK or later (C++)' ...

... Looking for environment variable 'MW_MINGW64_LOC' ...Yes ('C:\ProgramData\MATLAB\SupportPackages\R2017b\3P.instrset\mingw_w64.instrset').

... Looking for file 'C:\ProgramData\MATLAB\SupportPackages\R2017b\3P.instrset\mingw_w64.instrset\bin\g++.exe' ...Yes.

... Looking for folder 'C:\ProgramData\MATLAB\SupportPackages\R2017b\3P.instrset\mingw_w64.instrset' ...Yes.

Some lines later in the log it says however:

No supported compiler or SDK was found. You can install the freely available MinGW-w64 C/C++ compiler; visit http://www.mathworks.com/help/matlab/matlab_external/install-mingw-support-package.html. For more options, visit https://www.mathworks.com/support/compilers.

The log ends with the above stated error message.

How can I compile a generic COM component? What am I doing wrong?