[MacPorts] #41422: graphviz: missing poppler dependency

[MacPorts]

#41422: graphviz: missing poppler dependency
-----------------------+--------------------------
  Reporter:  devans@…  |      Owner:  ryandesign@…
      Type:  defect    |     Status:  closed
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.2.1
Resolution:  fixed     |   Keywords:
      Port:  graphviz  |
-----------------------+--------------------------

Comment (by egall@…):

 Couldn't this lead to a circular dependency with the `+docs` variant? Via
 a recursive dependency of a cairo installed with `+x11`:
 {{{
  cairo
 ...
     xrender
 ...
       xorg-libX11
 ...
         xorg-libxcb
 ...
           doxygen
 ...
             graphviz
 }}}
 Poppler already creates enough circular dependency chains as it is, as
 shown by the number of duplicates of #37604 out there. Do we really need
 to be going and creating more?

-- 
Ticket URL: <https://trac.macports.org/ticket/41422#comment:2>
MacPorts <http://www.macports.org/>
Ports system for OS X