On Mon, 29 Jun 2015, Matt Garman wrote: > Take a look at Devtoolset, I think this will give you what you want: > https://www.softwarecollections.org/en/scls/rhscl/devtoolset-3/ Thanks much. It looks like what I want. Also, I think I'll look at the Modules environment in case a convient solution is not available the next time I want to replace a standard package. -- Michael hennebry at web.cs.ndsu.NoDak.edu "SCSI is NOT magic. There are *fundamental technical reasons* why it is necessary to sacrifice a young goat to your SCSI chain now and then." -- John Woods