hwloc 2.x on macOS and FreeBSD

[masaori335]

On Linux, we're building ATS with hwloc 2.9 - e.g. our ubuntu:23.04 image. I'll check with macOS and FreeBSD.

» docker run -i -t -v $PWD:/workspace -w /workspace ci.trafficserver.apache.org/ats/ubuntu:23.04 /bin/bash                                2023/09/13 9:46:00
root@a4f7372eed05:/workspace# apt info hwloc
Package: hwloc
Version: 2.9.0-1
Priority: extra
Section: universe/admin
Origin: Ubuntu
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Original-Maintainer: Samuel Thibault <sthibault@debian.org>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 765 kB
Depends: libc6 (>= 2.34), libcairo2 (>= 1.2.4), libhwloc15 (>= 2.9.0), libtinfo6 (>= 6), libx11-6
Homepage: https://www.open-mpi.org/projects/hwloc/
Download-Size: 228 kB
APT-Manual-Installed: yes
APT-Sources: http://archive.ubuntu.com/ubuntu lunar/universe amd64 Packages
Description: Hierarchical view of the machine - utilities

[masaori335]

Our FreeBSD is already using hwloc2 without any problem.

checking for HWLOC... yes
checking for hwloc C++ linking... yes
checking whether HWLOC_OBJ_PU is declared... yes

https://ci.trafficserver.apache.org/job/Github_Builds/job/freebsd/2568/console

Well, the issue was only with macOS (and hwloc installed by brew).