By the default gfortran options I meant the default gfortran compiler options. How can I see the default gfortran compiler options? Thank you Victor MARIAN Department of Machine Elements and Tribology University Politehnica of Bucharest Spl. Indepentendei 313 060042 Bucharest ROMANIA __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com