include uldaq in a matlab mex file

[Baptiste]

Hello.
I am trying to write a mex file in matlab to use a USB-1208FS-Plus under linux. I am stuck on a what probably is a very simple problem. I start the script with #include "uldaq.h". Without providing any path, I receive the error "uldaq.h: No such file or directory.". If I provide the path to uldaq.h in libuldaq-1.2.1/src (in matlab: "mex -I/path_to_uldaq/ my_script.c"), then I still receive the errors "undefined reference to `ulGetDaqDeviceInventory`", "undefined reference to `ulCreateDaqDevice`" etc. for every function of uldaq called within the script.
So my question is what exactly do I need to provide to matlab and/or include in the script for successfully compiling the mex file?
Thanks,
Baptiste

[Fausto]

Hello @Baptiste.

Please reach out to MathWorks Technical Support regarding your inquiry, as they were the developers of the Data Acquisition Toolbox Support Package for Measurement Computing Hardware for Windows OS.

Regards,

Fausto

[Baptiste]

So, first as I described I want to use the DAQ under linux, with which Matlab's Data Acquisition Toolbox is not compatible. That is why I am trying to write my own mex file. Second, my problem concerns specifically the uldaq library. I have not programmed in C for a very long time so I'm a bit confused about how to use the library. In the scripts provided in uldaq, such as AIn.c, the script starts with #include "uldaq.h" and #include "utility.h", and that is enough for the compiler to find functions such as ulGetDaqDeviceInventory. When I try to compile the same code using gcc in matlab, it tells me that it cannot find these functions. That is what I am asking. What path exactly needs to be provided to gcc in order to be able to compile a script like AIn.c ?