Am 10.09.2012 um 22:39 schrieb John J. Boyer: > I have the latest updates to CentOS 5.6. However, I need different > versions of autoconf and automake. How can this be handled? What will > happen on later updates? Currently I have > > autoconf (GNU Autoconf) 2.59 > automake (GNU automake) 1.9.6 > > I need > > autoconf 2.69-1 and automake 1.11.6. Hi John, i think you have to build them manually and install them separately (e. g. /usr/local/bin). The configure script of your code should find them (via PATH). Regards LF