also libetpan-config is present on the client when libetpan is installed.
[00:01:32] configure: JPilot support not available
[00:01:32] NetworkManager support deactivated as D-Bus requirements were not met.
[00:01:32] checking whether to use libetpan... yes
[00:01:32] checking for libetpan-config... no
[00:01:32] *** Claws Mail requires libetpan 0.57 or newer. See http://www.etpan.org/
[00:01:32] *** You can use --disable-libetpan if you don't need IMAP4 and/or NNTP support.
[00:01:32] configure: error: libetpan 0.57 not found
[00:01:32] ===> Script "configure" failed unexpectedly.
[00:01:32] Please report the problem to joneum@FreeBSD.org [maintainer] and attach the
[00:01:32] including the output of the failure of your make command. Also, it might be
[00:01:32] a good idea to provide an overview of all packages installed on your system
[00:01:32] (e.g. a /usr/local/sbin/pkg-static info -g -Ea).
[00:01:32] *** Error code 1
[00:01:32] make: stopped in /usr/ports/mail/claws-mail
[00:01:56] =>> Cleaning up wrkdir
[00:01:56] ===> Cleaning for claws-mail-3.17.4
[00:01:57] build of mail/claws-mail | claws-mail-3.17.4 ended at Sun Nov 3 17:17:29 GMT 2019
[00:01:57] build time: 00:01:57
[00:01:57] !!! build failure encountered !!!
libetpan was updated to 1.9.4 (on head) and fix for claws-mail with latest libetpan was committed in r516589.
Fix Summary and assignment.