Re: [Help-gsl] Problem with GSL on my macbook

[Tommy Nordgren]

On 4 apr 2008, at 16.33, Alexis Quentin wrote:

> Hi every one,
> I want to use the GSL on my macbook. So I installed it using  
> darwinports.
> Then I wrote a C program :
>
> #include <stdio.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 wrote it with XCode (Carbon). When I compile (with gcc), my terminal
> answer me :
> /usr/bin/ld: Undefined symbol:
> _gsl_sf_bessel_J0
> collect2: ld returned 1 exit status
>
> Can you help me to make gsl working?
> _______________________________________________
> Help-gsl mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/help-gsl
	You need to add -L/usr/local/lib and -lgsl and often -lgslcblas as  
well,
to the command line when linking.
-------------------------------------
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Tommy Nordgren
address@hidden