[Swan-dev] libreswan package on Fedora 33 has problem with ldns package.

[D. Hugh Redelmeier]

Something is odd in the packaging of libreswan on Fedora 33.

Here's a transcript that shows it.

[hugh at redeye ~]$ sudo dnf update libreswan
Last metadata expiration check: 3:58:19 ago on Sun 30 May 2021 05:43:15 PM.
Dependencies resolved.
Nothing to do.
Complete!
[hugh at redeye ~]$ sudo dnf list libreswan
Last metadata expiration check: 3:58:40 ago on Sun 30 May 2021 05:43:15 PM.
Installed Packages
libreswan.x86_64                                                                 4.3-1.fc33                                                                 @updates
[hugh at redeye ~]$ rpm -q libreswan
libreswan-4.3-1.fc33.x86_64
You have new mail in /var/spool/mail/hugh
[hugh at redeye ~]$ sudo dnf list ldns
Last metadata expiration check: 3:59:13 ago on Sun 30 May 2021 05:43:15 PM.
Installed Packages
ldns.x86_64                                                                  1.7.0-32.fc33                                                                   @fedora
Available Packages
ldns.i686                                                                    1.7.1-4.fc33                                                                    updates
ldns.x86_64                                                                  1.7.1-4.fc33                                                                    updates
[hugh at redeye ~]$ sudo rpm -q ldns
ldns-1.7.0-32.fc33.x86_64
[hugh at redeye ~]$ sudo dnf update ldns
Last metadata expiration check: 3:59:43 ago on Sun 30 May 2021 05:43:15 PM.
Dependencies resolved.

 Problem: problem with installed package libreswan-4.3-1.fc33.x86_64
  - package libreswan-4.3-1.fc33.x86_64 requires libldns.so.2()(64bit), but none of the providers can be installed
  - cannot install both ldns-1.7.1-4.fc33.x86_64 and ldns-1.7.0-32.fc33.x86_64
  - cannot install the best update candidate for package ldns-1.7.0-32.fc33.x86_64
====================================================================================================================================================================
 Package                             Architecture                          Version                                     Repository                              Size
====================================================================================================================================================================
Skipping packages with conflicts:
(add '--best --allowerasing' to command line to force their upgrade):
 ldns                                x86_64                                1.7.1-4.fc33                                updates                                160 k

Transaction Summary
====================================================================================================================================================================
Skip  1 Package

Nothing to do.
Complete!
[hugh at redeye ~]$ sudo dnf --best ldns
No such command: ldns. Please use /usr/bin/dnf --help
It could be a DNF plugin command, try: "dnf install 'dnf-command(ldns)'"
You have mail in /var/spool/mail/hugh
[hugh at redeye ~]$ sudo dnf update --best ldns
Last metadata expiration check: 4:00:20 ago on Sun 30 May 2021 05:43:15 PM.
Error: 
 Problem: problem with installed package libreswan-4.3-1.fc33.x86_64
  - package libreswan-4.3-1.fc33.x86_64 requires libldns.so.2()(64bit), but none of the providers can be installed
  - cannot install both ldns-1.7.1-4.fc33.x86_64 and ldns-1.7.0-32.fc33.x86_64
  - cannot install the best update candidate for package ldns-1.7.0-32.fc33.x86_64
(try to add '--allowerasing' to command line to replace conflicting packages or '--skip-broken' to skip uninstallable packages)
[hugh at redeye ~]$ exit