[MacPorts] #66465: ffmpeg @4.4.2_3+gpl2+jack+nonfree+x11 fails to configure on mavericks after x265 3.4_0 < 3.4_1 upgrade

[MacPorts]

#66465: ffmpeg @4.4.2_3+gpl2+jack+nonfree+x11 fails to configure on mavericks after
x265 3.4_0 < 3.4_1 upgrade
--------------------+--------------------
 Reporter:  tehcog  |      Owner:  (none)
     Type:  defect  |     Status:  new
 Priority:  Normal  |  Milestone:
Component:  ports   |    Version:  2.8.0
 Keywords:          |       Port:  ffmpeg
--------------------+--------------------
 {{{
 :info:configure ERROR: x265 not found using pkg-config
 }}}

 please see attached main.log

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Ticket URL: <https://trac.macports.org/ticket/66465>
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