[gnuwin32 - Help] GSL: Header files not being read

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https://sourceforge.net/forum/message.php?msg_id=5637629
By: manfromohio

Hi

I am newbie to C++ for scientific computing. I have a problem with compiling
my code. I installed GSL from Gnuwin32 in its default location (C:\Program Files\)
and tried to compile a sample program form the GNU help manual. Although the
code itself is not the problem, I have pasted it below. It seems like my Borland
C++ compiler is unable to read the header files.

#include<iostream.h>
    #include <gsl/gsl_sf_bessel.h>
    int main (void)
    {double x = 5.0;
      double y = gsl_sf_bessel_J0 (x);
      printf ("J0(%g) = %.18e\n", x, y);
      return 0;    }

I store the above as temp.cpp in my C:\ and compile using

C:> bcc32 -Ic:\Progra~1\GnuWin32\include\gsl temp.cpp

The error message I get is:

Error E2209 temp.cpp 2: Unable to open include file 'gsl/gsl_sf_bessel.h'
Error E2268 temp.cpp 8: Call to undefined function 'gsl_sf_bessel_J0' in function
main()

I use Windows XP and adding the GNuwin32\include\gsl directory to the PATH variable
in the user variables does not help either. Any help is appreciated. It seems
like I am missing a step somewhere in linking my BCC compiler and the GSL
directory.

Regards

Kris.

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