From: Alan M. Evans <ame1 at extratech.com> > What set of packages would that be? Like I said, the header in question > is owned by compat-gcc-34, and there is only a 64-bit version available > in the repos. Not sure what you meant but there is a 32-bit version... /centos/5/os/i386/CentOS/compat-gcc-34-3.4.6-4.i386.rpm /centos/5/os/i386/CentOS/compat-gcc-34-c++-3.4.6-4.i386.rpm /centos/5/os/i386/CentOS/compat-gcc-34-g77-3.4.6-4.i386.rpm /centos/5/os/x86_64/CentOS/compat-gcc-34-3.4.6-4.x86_64.rpm /centos/5/os/x86_64/CentOS/compat-gcc-34-c++-3.4.6-4.x86_64.rpm /centos/5/os/x86_64/CentOS/compat-gcc-34-g77-3.4.6-4.x86_64.rpm But not sure you can have both installed at the same time... JD