sysutils/slurm-wlm: Fix: slurmd: error: Unable to initialize cgroup plugin
When trying to run slurmd -Dvvv, slurmd produces the following output
and crashes:
slurmd: debug: Log file re-opened
slurmd: debug2: hwloc_topology_init
slurmd: debug2: hwloc_topology_load
slurmd: debug2: hwloc_topology_export_xml
slurmd: debug: CPUs:4 Boards:1 Sockets:1 CoresPerSocket:4 ThreadsPerCore:1
slurmd: error: Unable to initialize cgroup plugin
slurmd: error: slurmd initialization failed
Conditionally remove cgroups support on FreeBSD, to prevent slurmd from
crashing due to missing cgroups support.
PR: 288617
Differential Revision: https://reviews.freebsd.org/D52138
MFH: 2025Q3