[MacPorts] #40807: MacPorts-built `dot` (from graphviz @2.34.0) hangs when generating doxymentation on 10.6

[MacPorts]

#40807: MacPorts-built `dot` (from graphviz @2.34.0) hangs when generating
doxymentation on 10.6
-------------------------+--------------------------------
 Reporter:  egall@…      |      Owner:  macports-tickets@…
     Type:  defect       |     Status:  new
 Priority:  Normal       |  Milestone:
Component:  ports        |    Version:  2.2.0
 Keywords:  snowleopard  |       Port:  graphviz
-------------------------+--------------------------------
 I had originally run across this while adding a `+docs` variant to the
 `dpkg` port for the update in #39018, so I thought it was just me misusing
 it in the portfile or something, but then I ran across it again while
 upgrading glibmm, so now I'm thinking it's a problem with `dot` itself.
 The error messages that it outputs while hanging look like this:
 {{{
 2013-10-18 12:02:19.651 dot[18887:907] CoreText CopyPropertiesForFont
 received mig IPC error (FFFFFFFFFFFFFECC) from font server
 2013-10-18 12:02:50.620 dot[18910:907] CoreText CopyPropertiesForFont
 received mig IPC error (FFFFFFFFFFFFFECC) from font server
 2013-10-18 12:03:51.702 dot[18941:907] CoreText CopyPropertiesForFont
 received mig IPC error (FFFFFFFFFFFFFECC) from font server
 2013-10-18 12:04:22.298 dot[18987:907] CoreText CopyPropertyForFonts
 received mig IPC error (FFFFFFFFFFFFFECC) from font server
 2013-10-18 12:05:23.324 dot[19107:907] CoreText CopyPropertyForFonts
 received mig IPC error (FFFFFFFFFFFFFECC) from font server
 2013-10-18 12:08:14.227 dot[19362:907] CoreText CopyPropertyForFonts
 received mig IPC error (FFFFFFFFFFFFFECC) from font server
 2013-10-18 12:08:44.868 dot[19416:907] CoreText CopyPropertyForFonts
 received mig IPC error (FFFFFFFFFFFFFECC) from font server
 2013-10-18 12:09:15.343 dot[19477:907] CoreText CopyPropertiesForFont
 received mig IPC error (FFFFFFFFFFFFFECC) from font server
 2013-10-18 12:09:45.823 dot[19488:907] CoreText CopyPropertiesForFont
 received mig IPC error (FFFFFFFFFFFFFECC) from font server
 2013-10-18 12:11:48.327 dot[19678:907] CoreText CopyPropertiesForFont
 received mig IPC error (FFFFFFFFFFFFFECC) from font server
 2013-10-18 12:12:19.074 dot[19708:907] CoreText CopyPropertiesForFont
 received mig IPC error (FFFFFFFFFFFFFECC) from font server
 2013-10-18 12:12:50.397 dot[19803:907] CoreText CopyPropertiesForFont
 received mig IPC error (FFFFFFFFFFFFFECC) from font server
 2013-10-18 12:14:53.387 dot[20039:907] CoreText CopyPropertiesForFont
 received mig IPC error (FFFFFFFFFFFFFECC) from font server
 2013-10-18 12:15:54.808 dot[20070:907] CoreText CopyPropertyForFonts
 received mig IPC error (FFFFFFFFFFFFFECC) from font server
 2013-10-18 12:16:25.427 dot[20101:907] CoreText CopyPropertiesForFont
 received mig IPC error (FFFFFFFFFFFFFECC) from font server
 }}}
 As you can see by the timestamps that's about 15 minutes of hanging. I'm
 thinking this is a Snow Leopard specific problem because the CoreText
 framework only became the default font rendering framework in newer
 versions of OS X (older versions of OS X still use ATSUI). I haven't seen
 this issue with other installations of graphviz.

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Ticket URL: <https://trac.macports.org/ticket/40807>
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