On 07/28/2014 07:07 AM, Syed Ahsan Ali wrote: > gfortran -I/home/rcm/Desktop/RegCM-4.4-rc31/external [...] gfortran version must be at least 4.6 -- Graziano Giuliani - Earth System Physics Section The Abdus Salam International Centre for Theoretical Physics Strada Costiera 11 - I - 34151 Trieste Italy