On 02/05/2017 05:33 PM, Alice Wonder wrote: > Is there by chance a compat package for gcc 4.9.x available? Yes. Use the software collections. https://www.softwarecollections.org/en/ https://www.softwarecollections.org/en/scls/rhscl/devtoolset-4/ yum install centos-release-scl && yum install devtoolset-4