sys-apps/hwloc-1.11.8 was released on 2017-09-06. https://www.mail-archive.com/hwloc-announce@lists.open-mpi.org//msg00100.html sys-apps/hwloc-1.11.9 was released on 2018-01-18. https://www.mail-archive.com/hwloc-announce@lists.open-mpi.org//msg00105.html sys-apps/hwloc-2.0.0 was released on 2018-02-05. https://www.mail-archive.com/hwloc-announce@lists.open-mpi.org//msg00108.html
I'm going to hold off on 2.0.0 until we have something in the tree that uses it. commit 97df9e785f7b8b323c6a836d3f82070a5dcad9ac Author: Justin Bronder <jsbronder@gentoo.org> Date: Mon Mar 26 12:53:49 2018 -0400 sys-apps/hwloc: bump 1.11.10 Bump for https://bugs.gentoo.org/650882 Also kicking the can on https://bugs.gentoo.org/611678 Package-Manager: Portage-2.3.24, Repoman-2.3.6