[Help-gsl] Error of gsl execution

[melossm1]

hello

During the execution of an example of solving a ode equation, i got this error:

 ./a.out: symbol lookup error: ./a.out: undefined symbol: gsl_odeiv2_step_rk8pd

Thank you for helping me knowing that I have installed the latest version of 
gsl.

kind regards

M. El Ossmani
University of Pau (France)