Using GSL on Matlab Mex

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Saravanan Nagesh 2021-7-29

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评论： Saravanan Nagesh 2021-8-6

Hi I am trying to run a .cpp code on Matlab which has dependencies on the GSL library. I have as of now done the following steps:

Installed the latest MinGW complier
Currently using the latest Matlab 2021
Downloaded the GSL library from https://www.gnu.org/software/gsl/
Unzipped the contents of the software package and placed the files in the folder named gsl in the location where i have my .cpp code.
Added the gsl folder and all subfolders to the path.

However when I use the command "mex Mymexcode.cpp;" , the code stops with the error

"C:\user\myfolder\gsl/gsl_math.h:23:25: fatal error: gsl/gsl_sys.h: No such file or directory

#include <gsl/gsl_sys.h>

compilation terminated.

Could anyone please let me know where i am going wrong??

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Answer 1

Amogh Bhole 2021-8-4

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From my understanding your gsl folder is missing the gsl_sys.h header file. Please find the correct path of gsl_sys.h and update it in the include statement of the header file gsl_math.h or copy this file and paste it on the gsl folder this way you won’t have to update the gsl_math.h header file.

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Saravanan Nagesh 2021-8-6

Dear Amogh,

Thank you for the answer, but the gsl_sys.h file is present in the folder with the gsl_math.h, I have also used the -I command to include both the include folder path and also the library path.

Still the error is persistent.

I also suspect that the compilation of the gsl library also may be an issue which may have caused an error in linking of the files.

Is it possible you have a link to a source where I may get a compiled gsl library which I can use.

Unfortunately the official gsl website does not provide this.

Many thanks in advance.

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