I have still no specific details, but generally this is by design, since those low level libraries would not work well if properly namespaced. Honza On 03/24/2016 03:31 AM, Karanbir Singh wrote: > hi guys > > I noticed the following rpms are not namespaced for the devtools4 scl : > > G: da64210f1fde669db919d3a5123b06f7a659bc6087a600b560c1e68e3ec58ccb > libasan2-5.2.1-2.2.el6.x86_64.rpm > G: cff6fded96723d8e6aae21f07af56cea50662113e833e31aa08c1fa8b7486403 > libatomic-5.2.1-2.2.el6.x86_64.rpm > G: f276242c72ef38b33e8b809ea010edd174e5b2af606d405bfe8804299be93e6a > libcilkrts-5.2.1-2.2.el6.x86_64.rpm > G: 2a737b3d557161090a0d4eadc0feddc9ffca773ea812006cc8b697236d0c5e2c > libitm-5.2.1-2.2.el6.x86_64.rpm > G: 344c1ba0767abd34c8d4c4de0cbe26397f1f7351607ab9c1314da47968ea9be9 > liblsan-5.2.1-2.2.el6.x86_64.rpm > G: 24799e72ae2798cade59c8c653ff5944461ea45b21e4c4da6a94fb44a66fbe7c > libmpx-5.2.1-2.2.el6.x86_64.rpm > G: e9cf0decfcc4a8cbb7cdaa87c38a255378c48579f30ba7c6d82608bb9257d36d > libtsan-5.2.1-2.2.el6.x86_64.rpm > G: 9f9fdf4e29bbc2c4ee5174c75897619c61726f18c92758b4a8d86208450a4135 > libubsan-5.2.1-2.2.el6.x86_64.rpm > > is that by design ? > > regards >