[MacPorts] #64086: graphviz-gui and graphviz-gui-devel @2.49.3 fail to build on macOS 12.1 beta (21C5039b) with Xcode 13.2 beta (13C5066c)

[MacPorts]

#64086: graphviz-gui and graphviz-gui-devel @2.49.3 fail to build on macOS 12.1
beta (21C5039b) with Xcode 13.2 beta (13C5066c)
---------------------------+--------------------
  Reporter:  thomasleaute  |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.7.1
Resolution:                |   Keywords:
      Port:  graphviz-gui  |
---------------------------+--------------------

Comment (by ryandesign):

 If `port logfile graphviz-gui` doesn't show you its location, or if the
 location it indicates doesn't exist, then try:

 {{{
 sudo port clean graphviz-gui
 sudo port -d install graphviz-gui 2>&1 | tee ~/Desktop/debug.log
 }}}

 Then attach debug.log from your Desktop.

-- 
Ticket URL: <https://trac.macports.org/ticket/64086#comment:3>
MacPorts <https://www.macports.org/>
Ports system for macOS