env = Environment(LINK='/sw/bin/g95',
                  FORTRAN='/sw/bin/g95',
                  FORTRANFLAGS=['-ffixed-line-length-132','-g'],
                  LINKFLAGS='-g')

env.Program(target='3d',
            source=Split('3dmain.f allocatable_arrays.f okada_sub.f parameters.f vector_output.f xyz_output.f'))
