"README.md" vs. "configure" output mismatches

[eero-t]

• Version of collectd: main HEAD
• Operating system / distribution: F38

plugins listed by configure, but not by README

• check_uptime
• target_v5upgrade
• mdevents
• netstat_udp
• write_influxdb_udp
• write_stackdriver

plugins mentioned being OS specific by README, but not by configure

• ipstats: FreeBSD only
• pf: BSD only (?)
• tape: Solaris only
• zone: Solaris only

I.e. configure output does not list a reason why these plugins are not enabled, although for some plugins it does list them being only for AIX or Solaris.

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PS. I checked only main branch, but I assume v6 branch to have same issues. I do not know enough of these plugins to provide a fix PR.

[eero-t]

Btw. There were several plugins where F38 seemed to have a package that should have enabled given lib and corresponding plugin, but it did neither.

F38 package: required lib => plugin name:

• perl-devel: libperl => perl
• xmms2-devel: libxmms => xmms
• slurm-devel: libslurm => slurm
• ganglia-devel/-gmond: libganglia = > gmond
• libsigrok-devel/-cxx-devel: libsigrok => sigrok
• libiptc-data-devel: libiptc => iptables

=> Are the (RPM) devel packages required for plugin listed anywhere?

Btw. @octo xmms plugin seems to be relying on v1 of the library, but last distro with that seems to have been RHEL5, which EOL'ed in 2017 (and extended support in 2020). Nowadays everything seems to be including XMMS2 (rewrite of XMMS).

Looking at Git history, last real update of xmms plugin was yours, from 2007. If you're not planning on updating it to XMMS2, might be better just to drop it. :-)

[octo]

xmms has been removed in collectd 6. I'm pretty sure we could remove it from collectd 5 also.