MATLAB: How to change where S-Function Builder builds its files

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How can I change or select where S-Function Builder builds its executable files? Right now, it builds to the current folder, and I have to change the folder using the Current Folder GUI or by using the "cd" command.

Best Answer

S-Function builder only builds directly to the current folder, so there is no way to specify the build location through the S-Function Builder GUI, but you can change where S-Function Builder builds to by changing the Current Folder through the Current Folder window, or by using the "cd" command in the MATLAB Command Window.

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MATLAB: How to make a system able to find a file under the MATLAB root directory

Folders under matlabroot are by default "frozen", meaning that any changes to these folders on the path will not be picked up by MATLAB automatically.

If this file has to be placed under matlabroot, you can try

>> rehash toolboxcache

>> fschange "foldername"; rehash;

after placing the file into a folder that is under matlabroot (and also on path).

Then, the "which" command should be able to find the file.

MATLAB: How to specify the directory where the S-function is generated using Real-Time Workshop’s S-Function target

To set the output directory of your S-function target, modify the appropriate template makefile (TMF).

1. Find the appropriate TMF file in $MATLAB\rtw\c\rtwsfcn\

where $MATLAB is the MATLAB root directory on your machine, as returned by typing

matlabroot

at the MATLAB Command Prompt.

The filename will be rtwsfcn_(compiler).tmf. If you are using Visual Studio it will be rtwsfcn_vc.tmf, or if you are using the MATLAB default LCC, it will be rtwsfcn_lcc.tmf.

2. Copy or rename the TMF file to rtwfscn_(compiler)2.tmf.

3. Open rtwfscn_(compiler)2.tmf in the editor, and search for "-outdir".

4. There will be a line in the Rules section where it sets the MEX_FLAGS, and on one line will be:

-outdir ..

5. Replace the .. with the directory where you want the mexw32 file to be generated.

6. In the Real-Time Workshop options section of the Configuration Parameters dialog, set the TMF file to rtwfscn_(compiler)2.tmf instead of rtwsfcn_default_tmf.

7. When you build, the temporary directories will be generated in the working directory, but the S-function file will go to the location you specified for -outdir.

Best Answer

Related Solutions

MATLAB: How to make a system able to find a file under the MATLAB root directory

MATLAB: How to specify the directory where the S-function is generated using Real-Time Workshop’s S-Function target

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