Le 01/09/2010 17:47, Matthew Miller a écrit : > On Wed, Sep 01, 2010 at 05:35:23PM +0200, giggzounet wrote: >> I'm totally new with centos...we have a cluster in our labo with centos >> oscar. The gcc which was provided with the release is gcc41 and >> gfortran41. There are packages for gcc44 and gfortran44. I have >> installed them. >> But the gcc is not a link to gcc41 or gcc44. it is just an executable. >> idem for gfortran. So which is the good way on centOS to choose the >> gcc44 and gfortran44 per default. > > The easiest way in most cases is put 'export CC=gcc44' in your bash profile. > > > and for gfortran ? export FC=gfortran44 ??? I test that. Thx for your quick answer