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From: Jan Beich <jbeich@FreeBSD.org>
To: Marcin Cieslak <saper@saper.info>
Cc: freebsd-ports@freebsd.org
Subject: Re: libdl.so missing after "pkg upgrade" - firefox, python27...
References: <nycvar.OFS.7.76.444.1810142231200.5494@z.fncre.vasb>
Date: Mon, 15 Oct 2018 01:25:17 +0200
In-Reply-To: <nycvar.OFS.7.76.444.1810142231200.5494@z.fncre.vasb> (Marcin
 Cieslak's message of "Sun, 14 Oct 2018 22:31:38 +0000")
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Marcin Cieslak <saper@saper.info> writes:

> Hello,
>
> during preparations to upgrade 11.1-RELEASE p15 system I got firefox-esr
> upgraded to 
>
> Oct 14 22:18:30 radziecki pkg: pkg upgraded: 1.10.5_1 -> 1.10.5_3 
>
> Oct 14 22:44:51 radziecki pkg: firefox-esr upgraded: 52.8.0,1 -> 60.2.2_1,1 
>
> Oct 14 22:54:37 radziecki pkg: python27 upgraded: 2.7.14_1 -> 2.7.15 
>
> However, both python2 and firefox fail due to a missing "libdl.so",
> which as I understand got introduced in 12.0.
>
> Why this happens? What am I doing wrong?

FreeBSD 11.1 reached EOL on 2018-09-30, so the package cluster switched
to 11.2 as the oldest supported 11.* release where libdl.so is available.

https://svnweb.freebsd.org/changeset/base/320872

pkg upgrade should've warned you about OSVERSION mismatch. Did you ignore?