Changelog for kernel-preempt_rt4-headers-4.9.47_rt37-1.1.x86_64.rpm :
Mon Oct 16 14:00:00 2017 Rene.vanPaassenAATTgmail.com
- update to kernel 4.9.47, rt37, no config changes from 4.9.9

Thu Feb 16 13:00:00 2017 Rene.vanPaassenAATTgmail.com
- update to kernel 4.9.9, rt6

Thu Apr 21 14:00:00 2016 Rene.vanPaassenAATTgmail.com
- need to add openssl-devel as build dependency