Hello, I am currently a student at Ecole Central Paris in Paris following the cours of /High Performance Computing/ which demand the installation of mpich2. Possessing a macbook air with OSX Lion version 10.7.5, I have met a problem when install mpich2 at the step "make". I don't know what to do now. I have enclosed the c.txt, m.txt, mi.txt files for you. Thank you for help. Best regards Peng YUAN