On Dec 17, 2009, at 1:07 PM, nate wrote: > Andrea Laack wrote: >> Why is redhat version 5.3 running gcc version 4.3 and centos 5.4 >> running >> gcc version 4.1.2? When will gcc be upgraded on centos? > > Looks like two different versions of gcc are available > > CentOS: > http://mirrors.kernel.org/centos/5/os/SRPMS/gcc-4.1.2-46.el5.src.rpm > http://mirrors.kernel.org/centos/5/os/SRPMS/gcc44-4.4.0-6.el5.src.rpm > > And a 3rd version for RHEL > RHEL: > http://mirrors.kernel.org/redhat/redhat/linux/enterprise/5Server/en/os/SRPMS/gcc-4.1.2-46.el5_4.1.src.rpm > http://mirrors.kernel.org/redhat/redhat/linux/enterprise/5Server/en/os/SRPMS/gcc43-4.3.2-7.el5.src.rpm > http://mirrors.kernel.org/redhat/redhat/linux/enterprise/5Server/en/os/SRPMS/gcc44-4.4.0-6.el5.src.rpm > > So perhaps just the gcc43 package is missing from CentOS, but you > can go to 4.4 if you want a newer version. > In any case, the gcc 4.1.2 on CentOS 5 supports openmp (use - fopenmp). It might require the libgomp package. Tony Schreiner