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Date: Wed, 12 Oct 2016 23:27:05 +0200
From: Niklaas Baudet von Gersdorff <stdin@niklaas.eu>
To: freebsd-questions@freebsd.org
Subject: Unable to load dynamic library memcached.so
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I guess I miss something here: I have a jail with www/nginx and
lang/php56 plus some extensions installed. Since I needed
databases/pecl-memcached, I installed it with

  $ pkg install databases/pecl-memcached

When I restart php-fpm with

  $ service php-fpm restart

I get the following error:

  [12-Oct-2016 23:06:54] NOTICE: PHP message: PHP Warning:  PHP Startup: Unable to load dynamic library '/usr/local/lib/php/20131226/memcached.so' - /usr/local/lib/php/20131226/memcached.so: Undefined symbol &quot;ps_globals&quot; in Unknown on line 0

Some quick research told me that I need to do

  $ pkg install -Rf lang/php56

which I did. This didn't help, same error. So I even did

  $ pkg install -f

but that was also without any success. Next, I ran

  $ rm -rf /usr/local/lib/php/20131226

and again

  $ pkg install -f

without any success. I thought: "Well, let's build it on your
own" and built lang/php56 and databases/pecl-memcached with
poudriere, installed it from my repository with

  $ pkg install -Rfr <my-repo> lang/php56 databases/pecl-memcached

and, well, this didn't work either. 

This can't be so difficult. Probably it's too late. Maybe someone
from another timezone can help. :-)

    Niklaas