Le 03/09/2010 10:58, Marcelo M. Garcia a écrit : > giggzounet wrote: > >> >> So I must have a directory (for example /opt/compiler/gcc) with the >> different versions of gcc (4.1 and 4.4 in my case). Then the module tcl >> script chooses one and exclude the other, does it ? >> >> in order to have these gcc directories can I just copy the files from >> the installed rpm ? or must I compile the different gcc versions by myself ? >> > Hi > > To be honest, I'm a little bit confused. If you install from the rpms > the binaries will have different names : gcc, gcc34, etc. So why the > hassle to differentiate them? > > Unless, instead, you only set environment variables CC=gcc or CC=gcc34. > But sounds silly. > ok. but if script are using direct gcc...and not the varaible CC ? > I think this make more sense if you have different MPI compilers, like, > one mpicc (gcc34), other mpicc(gcc41), etc. Or different BLAS libraries, > like libblas or libgoto etc. > it is my problem...with mpicc for example. And I though I could solve it with a gcc44 module or a gcc41 module. For example I have gcc 4.4 installed, how can say to mpicc to use it ? Thx for your patience :) Best regards Guillaume