Debugging C Language MEX-Files :: Creating C Language MEX-Files (External Interfaces)

External Interfaces

Debugging C Language MEX-Files

On most platforms, it is now possible to debug MEX-files while they are running within MATLAB. Complete source code debugging, including setting breakpoints, examining variables, and stepping through the source code line-by-line, is now available.

Note The section entitled, Troubleshooting, provides additional information on isolating problems with MEX-files.

To debug a MEX-file from within MATLAB, you must first compile the MEX-file with the -g option to mex.

```
mex -g filename.c
```

Note MEX-files built with the -g option cannot be deployed to a separate computer system because they rely on files that are not distributed with MATLAB.

Using LAPACK and BLAS Functions Debugging on UNIX